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122 Commits

Author SHA1 Message Date
Aleksandr Didenko ec77f046fb Update CCP installation instructions 2016-07-13 16:48:11 +02:00
Aleksandr Didenko 66a178c614 Another minor fix in readme 2016-07-13 16:08:02 +02:00
Aleksandr Didenko 95a2bcdd9d Fixed docs 2016-07-13 16:07:11 +02:00
Aleksandr Didenko 7ab62170e0 All patches are merged, no need to pull reviews 2016-07-13 15:33:02 +02:00
Aleksandr Didenko 8c37d0aa1f Update the list of patchsets for ccp-neutron 2016-07-13 13:38:12 +02:00
Aleksandr Didenko 438a4bdeca Update ccp-neutron patch sets 2016-07-12 19:14:17 +02:00
Aleksandr Didenko da0a973dd4 Added a list of openstack cli commands for demo 2016-07-12 18:57:50 +02:00
root d8bef773ee Add pulling of custom patches for ccp-neutron 2016-07-12 16:56:41 +00:00
Aleksandr Didenko 64608f06cf Bugfixes
- Don't create registry pod if it already exists
- Fix shell commands
2016-07-12 17:56:40 +02:00
Aleksandr Didenko d450e1f06f Refactor CCP deployment part 2016-07-12 17:20:58 +02:00
Aleksandr Didenko 569d0081d3 Minor fixes in deploy-config.yaml style and doc 2016-07-12 12:15:01 +02:00
Aleksandr Didenko ba5466cacf Added some OpenStack CLI command examples 2016-07-11 17:26:06 +02:00
Aleksandr Didenko 6b094db607 Fix nodes in label-nodes.sh 2016-07-11 14:16:02 +02:00
Aleksandr Didenko d0dd69399e Change nodes generation for Vagrant
Master IP is .10, nodes start from .11
2016-07-11 13:00:57 +02:00
root f33f447b3d Fix dynamic ansible inventory 2016-07-11 10:28:25 +00:00
Aleksandr Didenko efaf6328a2 Add python to provision 2016-07-08 19:11:13 +02:00
Aleksandr Didenko a5a34c98a5 Move node bootstrap to ansible 2016-07-08 18:52:42 +02:00
Aleksandr Didenko 6a287973d9 Update default nodes specs for vagrant lab 2016-07-08 18:32:30 +02:00
root d066f0c9e9 Move args to env 2016-07-08 16:04:47 +00:00
Aleksandr Didenko b7f3ff5ce9 We need python-ipaddr on master node for dynamic inv 2016-07-08 17:52:26 +02:00
root 48ec698314 Merge branch 'master' of https://github.com/adidenko/vagrant-k8s 2016-07-08 15:46:31 +00:00
root 737a83788f Add reading group variables 2016-07-08 15:45:02 +00:00
Aleksandr Didenko 9471173f6a Update docs 2016-07-08 17:23:43 +02:00
Aleksandr Didenko c4e3266031 Fix a bug in nodes_to_inv.py 2016-07-08 17:22:52 +02:00
Aleksandr Didenko 8d3abdb489 Switch to dynamic ansible inventory
We don't need to install and use kargo cli anymore.
2016-07-08 17:10:09 +02:00
Aleksandr Didenko e89f4ac7ee Add labeling nodes 2016-07-08 15:04:31 +02:00
Aleksandr Didenko 99db440287 Added check for CCP images build 2016-07-08 14:32:43 +02:00
Aleksandr Didenko e6358d825e Bugfixes in ccp playbooks 2016-07-08 14:23:00 +02:00
Aleksandr Didenko 8b3112d287 Switch to using upstream fuel-ccp project 2016-07-07 19:50:16 +02:00
Aleksandr Didenko b4dfd8c973 Update to deploy of ccp 2016-07-06 13:17:08 +02:00
Aleksandr Didenko a153ac231a Refactor to use new deploy config in ccp 2016-07-06 13:14:23 +02:00
Aleksandr Didenko 5b4c365b8c Change kube version to 1.2.4 2016-07-05 16:26:51 +02:00
Aleksandr Didenko a08fb131fb Remove unneeded curl from netchecker deploy script 2016-07-05 15:24:09 +02:00
Aleksandr Didenko ba2c3f052f Fix namespace deletion 2016-07-05 15:14:14 +02:00
Aleksandr Didenko c8a488cfbe Added missing parameter to sed command 2016-07-05 14:53:28 +02:00
Aleksandr Didenko fad80d8595 Add another workaround for hostnetwork pods 2016-07-05 14:51:01 +02:00
Aleksandr Didenko 21f1c82fb0 Setup a ip ro workaround for cluste IPs 2016-07-05 12:43:35 +02:00
Aleksandr Didenko 6ec957a255 Add DNS servers 2016-07-04 17:16:56 +02:00
Aleksandr Didenko 76b49bfe30 Enable build back 2016-07-04 15:51:35 +02:00
Aleksandr Didenko 7d14763cf0 Add prebuilt images as option 2016-07-04 15:22:30 +02:00
Aleksandr Didenko 4c300a57b5 Add ip route workaround for DNS clusterIP 2016-07-04 15:13:49 +02:00
Aleksandr Didenko e68d6575cd Add dnsutils to vagrant nodes 2016-07-04 11:32:33 +02:00
Aleksandr Didenko 11b6e31c55 Fix mcp.conf for prebuilt packages 2016-07-01 18:13:19 +02:00
Aleksandr Didenko 4d295d567b Switch to using prebuilt CCP images 2016-07-01 17:19:41 +02:00
Aleksandr Didenko ca8ef29ae4 Add temp fix for bug in mcp builder 2016-07-01 16:34:20 +02:00
Aleksandr Didenko 9be65f8c19 Update mcp.conf according to upstream 2016-07-01 16:24:42 +02:00
Alex Didenko b70b8a7c39 Update README.md 2016-07-01 16:02:47 +02:00
Aleksandr Didenko 687cc01151 Fix typos in readme 2016-07-01 15:59:21 +02:00
Aleksandr Didenko 25b986ede7 Fix list nesting 2016-07-01 15:58:39 +02:00
Aleksandr Didenko 1e294b25c1 Update readme 2016-07-01 15:57:41 +02:00
Aleksandr Didenko 5c369d6d40 Added deploy-netchecker.sh script 2016-07-01 15:55:57 +02:00
Aleksandr Didenko 7b1e29f855 Comment out hacking of resolv.conf 2016-07-01 15:32:45 +02:00
Aleksandr Didenko 80ee1f2d9e Hack resolv.conf for ALL containers 2016-06-30 19:04:41 +02:00
Aleksandr Didenko 87856513c6 Hack for resolv.conf is back, a bit different this time 2016-06-30 19:01:01 +02:00
Aleksandr Didenko f7f560de2e No need to hack resolv.conf in dockerfiles 2016-06-30 18:18:33 +02:00
Aleksandr Didenko 7a8ead07d8 Added some packages for provisioning 2016-06-30 18:01:45 +02:00
Aleksandr Didenko 46f99befee Rename chapter in readme 2016-06-30 17:19:21 +02:00
Aleksandr Didenko 3563dbe9e8 Add useful k8s commands 2016-06-30 17:18:36 +02:00
Aleksandr Didenko fec601a238 Minor improvements in commands and readme 2016-06-30 16:56:52 +02:00
Aleksandr Didenko aad4edaf47 Fix paths in playbooks 2016-06-30 16:50:29 +02:00
Aleksandr Didenko bb3a57a719 Hack all problem images and put resolv.conf there 2016-06-30 16:12:26 +02:00
Aleksandr Didenko 6be93a3b87 Another fix in path for inventory 2016-06-30 15:56:57 +02:00
Aleksandr Didenko 333d9daea8 Fix readme 2016-06-30 15:47:28 +02:00
Aleksandr Didenko 8b53ff8ef7 Remove kpm from provisioning, kargo installs it 2016-06-30 15:46:02 +02:00
Aleksandr Didenko 8334a9e1e4 Fix paths to kargo 2016-06-30 15:35:00 +02:00
Aleksandr Didenko f1e5bc81f8 Fix path to nodes list 2016-06-30 15:32:46 +02:00
Aleksandr Didenko 26646b4a79 Fix cwd 2016-06-30 15:31:30 +02:00
Aleksandr Didenko eddd1251eb Fix paths 2016-06-30 15:28:36 +02:00
Aleksandr Didenko ba710ade23 Fix typo 2016-06-30 15:27:25 +02:00
Aleksandr Didenko 25d19720c0 Huge refactoring
Split scripts and instructuins into two parts: lab preparation and
deployment.
2016-06-30 15:22:39 +02:00
Aleksandr Didenko 17e3108b0c Save output of mcp-microservice to separate logs 2016-06-30 12:08:14 +02:00
Aleksandr Didenko f304dd4cf3 Switch to new vagrant image and update ccp-pull 2016-06-30 11:53:54 +02:00
Aleksandr Didenko 7dcc7c31f6 Update CCP repos 2016-06-29 17:45:51 +02:00
Aleksandr Didenko 4ca2931ae9 Add new virtual drive for /var/lib/docker
Otherwise 10G is not enough to host all the CCP images and it
leads to deployment failures.
2016-06-29 16:40:34 +02:00
Aleksandr Didenko 9744972f4a Replace sleep with wait loop 2016-06-29 14:21:34 +02:00
Aleksandr Didenko f770ae82e6 Updated readme in examples 2016-06-29 12:48:21 +02:00
Aleksandr Didenko aa9578ba99 Updated examples readme 2016-06-29 12:46:32 +02:00
Aleksandr Didenko 898e79a49e Update CCP refs 2016-06-29 11:30:29 +02:00
Aleksandr Didenko 8d80265392 Use ansible instead of kargo-cli to deploy k8s 2016-06-29 11:24:20 +02:00
Aleksandr Didenko 8acd4396d6 Remove some hardcode for CCP installation 2016-06-28 18:26:51 +02:00
Aleksandr Didenko a47f9394bb Updated CCP example with nodePort 2016-06-28 16:56:34 +02:00
Aleksandr Didenko 5cc37db4bf Minor improvements in nodes list generation 2016-06-28 16:54:34 +02:00
Aleksandr Didenko 3eb2ec101e Added curl to bootstrap scripts 2016-06-28 15:32:15 +02:00
Aleksandr Didenko 84d85e41a9 Added example for Horizone exposing via nodePort 2016-06-28 14:42:36 +02:00
Aleksandr Didenko 96add56527 Update node labels according to new CCP nodeSelector 2016-06-28 14:06:53 +02:00
Aleksandr Didenko d7f9d4a590 Fix bug in shell command 2016-06-28 12:58:05 +02:00
Aleksandr Didenko 26e61fc9be Another update related to CCP upstream changes 2016-06-28 10:56:46 +02:00
Aleksandr Didenko 7546d75513 Update reviews for ccp and fix missing script 2016-06-28 10:55:23 +02:00
Aleksandr Didenko 1fb6f36e9c Remove extra space 2016-06-27 18:04:14 +02:00
Aleksandr Didenko df4fe074f0 Added CCP deployment scripts 2016-06-27 17:57:29 +02:00
Aleksandr Didenko 0c9826c60f Added kubedash external service to examples 2016-06-23 16:53:13 +02:00
Aleksandr Didenko d7a11887f6 Added example how to expose k8s dashboard 2016-06-23 16:43:11 +02:00
Aleksandr Didenko 39dd4c1aaa New playbooks for k8s service and examples
- kubedns moved to playbooks dir
- new ansible playbooks added for kubedash and kube-dashboard
- examples for k8s deployments and services added
2016-06-22 18:43:39 +02:00
Aleksandr Didenko 9c5c0f2697 Minor update in README 2016-06-20 16:12:18 +02:00
Aleksandr Didenko 62a1925664 Fix in network names 2016-06-20 15:03:24 +02:00
Aleksandr Didenko 7f247754f9 Add network names 2016-06-20 15:02:11 +02:00
Aleksandr Didenko 7a53c32a3b Fix networks and add some debug tools
- Create two networks: public (NATed) and private (isolated)
- Add some debug tools to minion nodes
2016-06-20 14:43:20 +02:00
Aleksandr Didenko 0e48ce51ce Multiple fixes to deployment scripts and lab
- Clean up private/pub keys from k8s nodes
- Install kpm on k8s nodes, not on master node
2016-06-20 12:02:25 +02:00
Aleksandr Didenko bc29db7bd2 Fixes and improvements
- Move kubedns to a separate mini playbook
- Fix custom.yaml location
2016-06-20 11:06:01 +02:00
Aleksandr Didenko 8d8622bbb9 Switch to ansible-2.1 2016-06-20 09:58:09 +02:00
Aleksandr Didenko 943edb6dd2 Fix permissions and kargo custom.yaml 2016-06-20 09:13:07 +02:00
Aleksandr Didenko c81457c617 Update README 2016-06-16 17:50:44 +02:00
Aleksandr Didenko 4c6f85b8ae Start counting k8s nodes from 2
First node is our master node.
2016-06-16 14:42:53 +02:00
Aleksandr Didenko 60fa68e5f7 Bugfix: return missing deploy command 2016-06-16 14:36:07 +02:00
Aleksandr Didenko ea5b40ae0e Fix ssh config 2016-06-16 14:28:29 +02:00
Aleksandr Didenko daf02e029c Fix nodes list 2016-06-16 13:00:51 +02:00
Aleksandr Didenko 3824493b1d Added README 2016-06-16 12:36:58 +02:00
Aleksandr Didenko cdfbcc1046 Remove SSH keys and generate them instead 2016-06-16 12:29:33 +02:00
Aleksandr Didenko 62e98bd4b0 Removing deprecated stuff 2016-06-16 12:19:27 +02:00
Aleksandr Didenko 43b2b5b464 Bugfixing for newly added code with kargo-clu support 2016-06-16 12:00:18 +02:00
Aleksandr Didenko 531f611ea3 Add support for deployment via kargo-cli 2016-06-16 11:49:17 +02:00
Aleksandr Didenko b9ed54812b Remove controlled by puppet line 2016-06-15 11:50:09 +02:00
Aleksandr Didenko 338749be16 Added README for master node with usefill commands 2016-06-15 11:48:50 +02:00
Aleksandr Didenko a2f3048e7a Added some packages to bootstrap script 2016-06-15 10:26:44 +02:00
Aleksandr Didenko b009ca3ff8 Fix inv dir copy command 2016-06-14 19:10:20 +02:00
Aleksandr Didenko c714660c0b Updates to use new inventory settings 2016-06-14 19:04:09 +02:00
Aleksandr Didenko 70519e2c5a Refactor inventroty for the lab 2016-06-14 19:02:27 +02:00
Aleksandr Didenko d365fab9ec Add inventory.cfg download to bootstrap script 2016-06-14 18:51:43 +02:00
Aleksandr Didenko 785169b934 Added inventory.cfg for the lab 2016-06-14 18:49:31 +02:00
Aleksandr Didenko 48e2062d92 Added apt-get commands to bootstrap-node 2016-06-14 18:40:41 +02:00
Aleksandr Didenko d894529f07 Update ssh/config on master node 2016-06-14 18:30:30 +02:00
Oleksandr Didenko 7e08800876 Initial commit 2016-06-14 18:21:56 +02:00
250 changed files with 917 additions and 32431 deletions
+2 -5
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.vagrant
*.retry
inventory/vagrant_ansible_inventory
temp
.idea
ssh
nodes
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-149
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sudo: false
git:
depth: 5
env:
global:
GCE_USER=travis
SSH_USER=$GCE_USER
TEST_ID=$TRAVIS_JOB_NUMBER
CONTAINER_ENGINE=docker
PRIVATE_KEY=$GCE_PRIVATE_KEY
ANSIBLE_KEEP_REMOTE_FILES=1
matrix:
# Debian Jessie
- >-
KUBE_NETWORK_PLUGIN=flannel
CLOUD_IMAGE=debian-8-kubespray
CLOUD_REGION=europe-west1-b
- >-
KUBE_NETWORK_PLUGIN=calico
CLOUD_IMAGE=debian-8-kubespray
CLOUD_REGION=us-central1-c
- >-
KUBE_NETWORK_PLUGIN=weave
CLOUD_IMAGE=debian-8-kubespray
CLOUD_REGION=us-east1-d
# Centos 7
- >-
KUBE_NETWORK_PLUGIN=flannel
CLOUD_IMAGE=centos-7-sudo
CLOUD_REGION=asia-east1-c
- >-
KUBE_NETWORK_PLUGIN=calico
CLOUD_IMAGE=centos-7-sudo
CLOUD_REGION=europe-west1-b
- >-
KUBE_NETWORK_PLUGIN=weave
CLOUD_IMAGE=centos-7-sudo
CLOUD_REGION=us-central1-c
# Redhat 7
- >-
KUBE_NETWORK_PLUGIN=flannel
CLOUD_IMAGE=rhel-7-sudo
CLOUD_REGION=us-east1-d
- >-
KUBE_NETWORK_PLUGIN=calico
CLOUD_IMAGE=rhel-7-sudo
CLOUD_REGION=asia-east1-c
- >-
KUBE_NETWORK_PLUGIN=weave
CLOUD_IMAGE=rhel-7-sudo
CLOUD_REGION=europe-west1-b
# Ubuntu 16.04
- >-
KUBE_NETWORK_PLUGIN=flannel
CLOUD_IMAGE=ubuntu-1604-xenial
CLOUD_REGION=us-central1-c
- >-
KUBE_NETWORK_PLUGIN=calico
CLOUD_IMAGE=ubuntu-1604-xenial
CLOUD_REGION=us-east1-d
- >-
KUBE_NETWORK_PLUGIN=weave
CLOUD_IMAGE=ubuntu-1604-xenial
CLOUD_REGION=asia-east1-c
# Ubuntu 15.10
- >-
KUBE_NETWORK_PLUGIN=flannel
CLOUD_IMAGE=ubuntu-1510-wily
CLOUD_REGION=europe-west1-b
- >-
KUBE_NETWORK_PLUGIN=calico
CLOUD_IMAGE=ubuntu-1510-wily
CLOUD_REGION=us-central1-a
- >-
KUBE_NETWORK_PLUGIN=weave
CLOUD_IMAGE=ubuntu-1510-wily
CLOUD_REGION=us-east1-d
before_install:
# Install Ansible.
- pip install --user boto -U
- pip install --user ansible
- pip install --user netaddr
- pip install --user apache-libcloud
cache:
- directories:
- $HOME/.cache/pip
- $HOME/.local
before_script:
- echo "RUN $TRAVIS_JOB_NUMBER $KUBE_NETWORK_PLUGIN $CONTAINER_ENGINE "
- mkdir -p $HOME/.ssh
- echo $PRIVATE_KEY | base64 -d > $HOME/.ssh/id_rsa
- echo $GCE_PEM_FILE | base64 -d > $HOME/.ssh/gce
- chmod 400 $HOME/.ssh/id_rsa
- chmod 755 $HOME/.local/bin/ansible-playbook
- $HOME/.local/bin/ansible-playbook --version
- cp tests/ansible.cfg .
# - "echo $HOME/.local/bin/ansible-playbook -i inventory.ini -u $SSH_USER -e ansible_ssh_user=$SSH_USER $SSH_ARGS -b --become-user=root -e '{\"cloud_provider\": true}' $LOG_LEVEL -e kube_network_plugin=${KUBE_NETWORK_PLUGIN} setup-kubernetes/cluster.yml"
## Configure ansible deployment logs to be collected as an artifact. Enable when GCS configured, see https://docs.travis-ci.com/user/deployment/gcs
# - $HOME/.local/bin/ansible-playbook -u $SSH_USER -e ansible_ssh_user=$SSH_USER $SSH_ARGS -b --become-user=root scritps/configure-logs.yaml
script:
- >
$HOME/.local/bin/ansible-playbook tests/cloud_playbooks/create-gce.yml -i tests/local_inventory/hosts -c local $LOG_LEVEL
-e test_id=${TEST_ID}
-e kube_network_plugin=${KUBE_NETWORK_PLUGIN}
-e gce_project_id=${GCE_PROJECT_ID}
-e gce_service_account_email=${GCE_ACCOUNT}
-e gce_pem_file=${HOME}/.ssh/gce
-e cloud_image=${CLOUD_IMAGE}
-e inventory_path=${PWD}/inventory/inventory.ini
-e cloud_region=${CLOUD_REGION}
# Create cluster
- "$HOME/.local/bin/ansible-playbook -i inventory/inventory.ini -u $SSH_USER -e ansible_ssh_user=$SSH_USER $SSH_ARGS -b --become-user=root -e cloud_provider=gce $LOG_LEVEL -e kube_network_plugin=${KUBE_NETWORK_PLUGIN} cluster.yml"
# Tests Cases
## Test Master API
- $HOME/.local/bin/ansible-playbook -i inventory/inventory.ini tests/testcases/010_check-apiserver.yml $LOG_LEVEL
## Create a POD
- $HOME/.local/bin/ansible-playbook -i inventory/inventory.ini -u $SSH_USER -e ansible_ssh_user=$SSH_USER $SSH_ARGS -b --become-user=root tests/testcases/020_check-create-pod.yml $LOG_LEVEL
## Ping the between 2 pod
- $HOME/.local/bin/ansible-playbook -i inventory/inventory.ini -u $SSH_USER -e ansible_ssh_user=$SSH_USER $SSH_ARGS -b --become-user=root tests/testcases/030_check-network.yml $LOG_LEVEL
## Collect env info, enable it once GCS configured, see https://docs.travis-ci.com/user/deployment/gcs
# - $HOME/.local/bin/ansible-playbook -i inventory/inventory.ini -u $SSH_USER -e ansible_ssh_user=$SSH_USER $SSH_ARGS -b --become-user=root scritps/collect-info.yaml
after_script:
- >
$HOME/.local/bin/ansible-playbook -i inventory/inventory.ini tests/cloud_playbooks/delete-gce.yml -c local $LOG_LEVEL
-e test_id=${TEST_ID}
-e kube_network_plugin=${KUBE_NETWORK_PLUGIN}
-e gce_project_id=${GCE_PROJECT_ID}
-e gce_service_account_email=${GCE_ACCOUNT}
-e gce_pem_file=${HOME}/.ssh/gce
-e cloud_image=${CLOUD_IMAGE}
-e inventory_path=${PWD}/inventory/inventory.ini
-e cloud_region=${CLOUD_REGION}
-10
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# Contributing guidelines
## How to become a contributor and submit your own code
### Contributing A Patch
1. Submit an issue describing your proposed change to the repo in question.
2. The [repo owners](OWNERS) will respond to your issue promptly.
3. Fork the desired repo, develop and test your code changes.
4. Submit a pull request.
-201
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APPENDIX: How to apply the Apache License to your work.
To apply the Apache License to your work, attach the following
boilerplate notice, with the fields enclosed by brackets "{}"
replaced with your own identifying information. (Don't include
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Copyright 2016 Kubespray
Licensed under the Apache License, Version 2.0 (the "License");
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-6
View File
@@ -1,6 +0,0 @@
# See the OWNERS file documentation:
# https://github.com/kubernetes/kubernetes/blob/master/docs/devel/owners.md
owners:
- Smana
- ant31
+145 -71
View File
@@ -1,87 +1,161 @@
![Kubespray Logo](http://s9.postimg.org/md5dyjl67/kubespray_logoandkubespray_small.png)
##Deploy a production ready kubernetes cluster
If you have questions, you can [invite yourself](https://slack.kubespray.io/) to **chat** with us on Slack! [![SlackStatus](https://slack.kubespray.io/badge.svg)](https://kubespray.slack.com)
- Can be deployed on **AWS, GCE, OpenStack or Baremetal**
- **High available** cluster
- **Composable** (Choice of the network plugin for instance)
- Support most popular **Linux distributions**
- **Continuous integration tests**
To deploy the cluster you can use :
[**kargo-cli**](https://github.com/kubespray/kargo-cli) (deprecated, a newer [go](https://github.com/Smana/kargo-cli/tree/kargogo) version soon)<br>
**Ansible** usual commands <br>
**vagrant** by simply running `vagrant up` (for tests purposes) <br>
* [Requirements](#requirements)
* [Getting started](docs/getting-started.md)
* [Vagrant install](docs/vagrant.md)
* [CoreOS bootstrap](docs/coreos.md)
* [Ansible variables](docs/ansible.md)
* [Cloud providers](docs/cloud.md)
* [OpenStack](docs/openstack.md)
* [AWS](docs/aws.md)
* [Network plugins](#network-plugins)
* [Roadmap](docs/roadmap.md)
Supported Linux distributions
===============
* **CoreOS**
* **Debian** Wheezy, Jessie
* **Ubuntu** 14.10, 15.04, 15.10, 16.04
* **Fedora** 23
* **CentOS/RHEL** 7
Versions
--------------
[kubernetes](https://github.com/kubernetes/kubernetes/releases) v1.4.0 <br>
[etcd](https://github.com/coreos/etcd/releases) v3.0.1 <br>
[calicoctl](https://github.com/projectcalico/calico-docker/releases) v0.20.0 <br>
[flanneld](https://github.com/coreos/flannel/releases) v0.5.5 <br>
[weave](http://weave.works/) v1.6.1 <br>
[docker](https://www.docker.com/) v1.10.3 <br>
vagrant-k8s
===========
Scripts to create libvirt lab with vagrant and prepare some stuff for `k8s` deployment with `kargo`.
Requirements
--------------
------------
* The target servers must have **access to the Internet** in order to pull docker images.
* The **firewalls are not managed**, you'll need to implement your own rules the way you used to.
in order to avoid any issue during deployment you should disable your firewall
* **Copy your ssh keys** to all the servers part of your inventory.
* **Ansible v2.x and python-netaddr**
* `libvirt`
* `vagrant`
* `vagrant-libvirt` plugin (`vagrant plugin install vagrant-libvirt`)
* `$USER` should be able to connect to libvirt (test with `virsh list --all`)
Vargant lab preparation
-----------------------
## Network plugins
You can choose between 3 network plugins. (default: `flannel` with vxlan backend)
* Change default IP pool for vagrant networks if you want:
* [**flannel**](docs/flannel.md): gre/vxlan (layer 2) networking.
```bash
export VAGRANT_POOL="10.100.0.0/16"
```
* [**calico**](docs/calico.md): bgp (layer 3) networking.
* Clone this repo
* **weave**: Weave is a lightweight container overlay network that doesn't require an external K/V database cluster. <br>
(Please refer to `weave` [troubleshooting documentation](http://docs.weave.works/weave/latest_release/troubleshooting.html))
```bash
git clone https://github.com/adidenko/vagrant-k8s
cd vagrant-k8s
```
The choice is defined with the variable `kube_network_plugin`
* Prepare the virtual lab:
```bash
vagrant up
```
## CI Tests
Deployment on a lab
-------------------
[![Build Status](https://travis-ci.org/kubespray/kargo.svg)](https://travis-ci.org/kubespray/kargo) </br>
* Login to master node and sudo to root:
### Google Compute Engine
```bash
vagrant ssh $USER-k8s-00
sudo su -
```
| Calico | Flannel | Weave |
------------- | ------------- | ------------- | ------------- |
Ubuntu Xenial |[![Build Status](https://ci.kubespray.io/job/kargo-gce-xenial-calico/badge/icon)](https://ci.kubespray.io/job/kargo-gce-xenial-calico/)|[![Build Status](https://ci.kubespray.io/job/kargo-gce-xenial-flannel/badge/icon)](https://ci.kubespray.io/job/kargo-gce-xenial-flannel/)|[![Build Status](https://ci.kubespray.io/job/kargo-gce-xenial-weave/badge/icon)](https://ci.kubespray.io/job/kargo-gce-xenial-weave)|
CentOS 7 |[![Build Status](https://ci.kubespray.io/job/kargo-gce-centos7-calico/badge/icon)](https://ci.kubespray.io/job/kargo-gce-centos7-calico/)|[![Build Status](https://ci.kubespray.io/job/kargo-gce-centos7-flannel/badge/icon)](https://ci.kubespray.io/job/kargo-gce-centos7-flannel/)|[![Build Status](https://ci.kubespray.io/job/kargo-gce-centos7-weave/badge/icon)](https://ci.kubespray.io/job/kargo-gce-centos7-weave/)|
CoreOS (stable) |[![Build Status](https://ci.kubespray.io/job/kargo-gce-coreos-calico/badge/icon)](https://ci.kubespray.io/job/kargo-gce-coreos-calico/)|[![Build Status](https://ci.kubespray.io/job/kargo-gce-coreos-flannel/badge/icon)](https://ci.kubespray.io/job/kargo-gce-coreos-flannel/)|[![Build Status](https://ci.kubespray.io/job/kargo-gce-coreos-weave/badge/icon)](https://ci.kubespray.io/job/kargo-gce-coreos-weave/)|
* Clone this repo
CI tests sponsored by Google (GCE), and [teuto.net](https://teuto.net/) for OpenStack.
```bash
git clone https://github.com/adidenko/vagrant-k8s ~/mcp
```
* Install required software and pull needed repos:
```bash
cd ~/mcp
./bootstrap-master.sh
```
* Check `nodes` list and make sure you have SSH access to them
```bash
cd ~/mcp
cat nodes
ansible all -m ping -i nodes_to_inv.py
```
* Deploy k8s using kargo playbooks
```bash
cd ~/mcp
./deploy-k8s.kargo.sh
```
* Deploy OpenStack CCP:
```bash
cd ~/mcp
# Build CCP images
ansible-playbook -i nodes_to_inv.py playbooks/ccp-build.yaml
# Deploy CCP
ansible-playbook -i nodes_to_inv.py playbooks/ccp-deploy.yaml
```
* Wait for CCP deployment to complete
```bash
# On k8s master node
# Check CCP pods, all should become running
kubectl --namespace=openstack get pods -o wide
# Check CCP jobs status, wait until all complete
kubectl --namespace=openstack get jobs
```
* Check Horizon:
```bash
# On k8s master node check nodePort of Horizon service
HORIZON_PORT=$(kubectl --namespace=openstack get svc/horizon -o go-template='{{(index .spec.ports 0).nodePort}}')
echo $HORIZON_PORT
# Access Horizon via nodePort
curl -i -s $ANY_K8S_NODE_IP:$HORIZON_PORT
```
Working with kubernetes
-----------------------
* Login to one of your kube-master nodes and run:
```bash
# List images in registry
curl -s 127.0.0.1:31500/v2/_catalog | python -mjson.tool
# Check CCP jobs status
kubectl --namespace=openstack get jobs
# Check CCP pods
kubectl --namespace=openstack get pods -o wide
```
* Troubleshooting
```bash
# Get logs from pod
kubectl --namespace=openstack logs $POD_NAME
# Exec command from pod
kubectl --namespace=openstack exec $POD_NAME -- cat /etc/resolv.conf
kubectl --namespace=openstack exec $POD_NAME -- curl http://etcd-client:2379/health
# Run a container
docker run -t -i 127.0.0.1:31500/mcp/neutron-dhcp-agent /bin/bash
```
* Network checker
```bash
cd ~/mcp
./deploy-netchecker.sh
# or in openstack namespace
./deploy-netchecker.sh openstack
```
* CCP
```bash
# Run a bash in one of containers
docker run -t -i 127.0.0.1:31500/mcp/nova-base /bin/bash
# Inside container export credentials
export OS_USERNAME=admin
export OS_PASSWORD=password
export OS_TENANT_NAME=admin
export OS_REGION_NAME=RegionOne
export OS_AUTH_URL=http://keystone:35357
# Run CLI commands
openstack service list
neutron agent-list
```
-9
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@@ -1,9 +0,0 @@
# Release Process
The Kargo Project is released on an as-needed basis. The process is as follows:
1. An issue is proposing a new release with a changelog since the last release
2. At least on of the [OWNERS](OWNERS) must LGTM this release
3. An OWNER runs `git tag -s $VERSION` and inserts the changelog and pushes the tag with `git push $VERSION`
4. The release issue is closed
5. An announcement email is sent to `kubernetes-dev@googlegroups.com` with the subject `[ANNOUNCE] kargo $VERSION is released`
Vendored
+93 -93
View File
@@ -1,113 +1,113 @@
# -*- mode: ruby -*-
# # vi: set ft=ruby :
# vi: set ft=ruby :
require 'fileutils'
pool = ENV["VAGRANT_POOL"] || "10.250.0.0/16"
Vagrant.require_version ">= 1.8.0"
ENV["VAGRANT_DEFAULT_PROVIDER"] = "libvirt"
prefix = pool.gsub(/\.\d+\.\d+\/16$/, "")
CONFIG = File.join(File.dirname(__FILE__), "vagrant/config.rb")
$num_instances = 4
$vm_memory = 6144
$vm_cpus = 2
$master_memory = 1024
$master_cpus = 1
# Defaults for config options defined in CONFIG
$num_instances = 3
$instance_name_prefix = "k8s"
$vm_gui = false
$vm_memory = 1536
$vm_cpus = 1
$shared_folders = {}
$forwarded_ports = {}
$subnet = "172.17.8"
$box = "bento/ubuntu-14.04"
$user = ENV["USER"]
$public_subnet = prefix.to_s + ".0"
$private_subnet = prefix.to_s + ".1"
$mgmt_cidr = prefix.to_s + ".2.0/24"
$neutron_subnet = "172.30.250"
host_vars = {}
$instance_name_prefix = "#{$user}-k8s"
if File.exist?(CONFIG)
require CONFIG
end
# if $inventory is not set, try to use example
$inventory = File.join(File.dirname(__FILE__), "inventory") if ! $inventory
# if $inventory has a hosts file use it, otherwise copy over vars etc
# to where vagrant expects dynamic inventory to be.
if ! File.exist?(File.join(File.dirname($inventory), "hosts"))
$vagrant_ansible = File.join(File.dirname(__FILE__), ".vagrant",
"provisioners", "ansible")
FileUtils.mkdir_p($vagrant_ansible) if ! File.exist?($vagrant_ansible)
if ! File.exist?(File.join($vagrant_ansible,"inventory"))
FileUtils.ln_s($inventory, $vagrant_ansible)
end
# Boxes with libvirt provider support:
#$box = "yk0/ubuntu-xenial" #900M
#$box = "centos/7"
#$box = "nrclark/xenial64-minimal-libvirt"
$box = "peru/ubuntu-16.04-server-amd64"
# Create SSH keys for future lab
system 'bash vagrant-scripts/ssh-keygen.sh'
# Create nodes list for future kargo deployment
nodes=""
(1..$num_instances-1).each do |i|
ip = "#{$private_subnet}.#{i+10}"
nodes = "#{nodes}#{ip}\n"
end
File.open("nodes", 'w') { |file| file.write(nodes) }
# Create the lab
Vagrant.configure("2") do |config|
# always use Vagrants insecure key
config.ssh.insert_key = false
config.vm.box = $box
(0..$num_instances-1).each do |i|
# First node would be master node
master = i == 0
# plugin conflict
if Vagrant.has_plugin?("vagrant-vbguest") then
config.vbguest.auto_update = false
end
config.ssh.insert_key = false
vm_name = "%s-%02d" % [$instance_name_prefix, i]
(1..$num_instances).each do |i|
config.vm.define vm_name = "%s-%02d" % [$instance_name_prefix, i] do |config|
config.vm.hostname = vm_name
config.vm.define vm_name do |test_vm|
test_vm.vm.box = $box
test_vm.vm.hostname = vm_name
if $expose_docker_tcp
config.vm.network "forwarded_port", guest: 2375, host: ($expose_docker_tcp + i - 1), auto_correct: true
end
$forwarded_ports.each do |guest, host|
config.vm.network "forwarded_port", guest: guest, host: host, auto_correct: true
end
["vmware_fusion", "vmware_workstation"].each do |vmware|
config.vm.provider vmware do |v|
v.vmx['memsize'] = $vm_memory
v.vmx['numvcpus'] = $vm_cpus
# Libvirt provider settings
test_vm.vm.provider :libvirt do |domain|
domain.uri = "qemu+unix:///system"
if master
domain.memory = $master_memory
domain.cpus = $master_cpus
else
domain.memory = $vm_memory
domain.cpus = $vm_cpus
end
domain.driver = "kvm"
domain.host = "localhost"
domain.connect_via_ssh = false
domain.username = $user
domain.storage_pool_name = "default"
domain.nic_model_type = "e1000"
domain.management_network_name = "#{$instance_name_prefix}-mgmt-net"
domain.management_network_address = $mgmt_cidr
domain.nested = true
domain.cpu_mode = "host-passthrough"
domain.volume_cache = "unsafe"
domain.disk_bus = "virtio"
# DISABLED: switched to new box which has 100G / partition
#domain.storage :file, :type => 'qcow2', :bus => 'virtio', :size => '20G', :device => 'vdb'
end
config.vm.provider :virtualbox do |vb|
vb.gui = $vm_gui
vb.memory = $vm_memory
vb.cpus = $vm_cpus
end
# Networks and interfaces
ip = "#{$private_subnet}.#{i+10}"
pub_ip = "#{$public_subnet}.#{i+10}"
# "public" network with nat forwarding
test_vm.vm.network :private_network,
:ip => pub_ip,
:model_type => "e1000",
:libvirt__network_name => "#{$instance_name_prefix}-public",
:libvirt__dhcp_enabled => false,
:libvirt__forward_mode => "nat"
# "private" isolated network
test_vm.vm.network :private_network,
:ip => ip,
:model_type => "e1000",
:libvirt__network_name => "#{$instance_name_prefix}-private",
:libvirt__dhcp_enabled => false,
:libvirt__forward_mode => "none"
# "neutron" isolated network
test_vm.vm.network :private_network,
:ip => "#{$neutron_subnet}.#{i+10}",
:model_type => "e1000",
:libvirt__network_name => "#{$instance_name_prefix}-neutron",
:libvirt__dhcp_enabled => false,
:libvirt__forward_mode => "none"
ip = "#{$subnet}.#{i+100}"
host_vars[vm_name] = {
"ip" => ip,
#"access_ip" => ip,
"flannel_interface" => ip,
"flannel_backend_type" => "host-gw",
"local_release_dir" => "/vagrant/temp",
"download_run_once" => "True"
}
config.vm.network :private_network, ip: ip
# Only execute once the Ansible provisioner,
# when all the machines are up and ready.
if i == $num_instances
config.vm.provision "ansible" do |ansible|
ansible.playbook = "cluster.yml"
if File.exist?(File.join(File.dirname($inventory), "hosts"))
ansible.inventory_path = $inventory
end
ansible.sudo = true
ansible.limit = "all"
ansible.host_key_checking = false
ansible.raw_arguments = ["--forks=#{$num_instances}"]
ansible.host_vars = host_vars
#ansible.tags = ['download']
ansible.groups = {
# The first three nodes should be etcd servers
"etcd" => ["#{$instance_name_prefix}-0[1:3]"],
# The first two nodes should be masters
"kube-master" => ["#{$instance_name_prefix}-0[1:2]"],
# all nodes should be kube nodes
"kube-node" => ["#{$instance_name_prefix}-0[1:#{$num_instances}]"],
"k8s-cluster:children" => ["kube-master", "kube-node"],
}
end
# Provisioning
config.vm.provision "file", source: "ssh", destination: "~/ssh"
if master
config.vm.provision "nodes", type: "file", source: "nodes", destination: "/var/tmp/nodes"
config.vm.provision "bootstrap", type: "shell", path: "vagrant-scripts/provision-master.sh"
else
config.vm.provision "bootstrap", type: "shell", path: "vagrant-scripts/provision-node.sh"
end
end
-4
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@@ -1,4 +0,0 @@
[ssh_connection]
pipelining=True
[defaults]
host_key_checking=False
+11
View File
@@ -0,0 +1,11 @@
#!/bin/bash
set -e
INVENTORY="nodes_to_inv.py"
echo "Createing repository and CCP images, it may take a while..."
ansible-playbook -i $INVENTORY playbooks/ccp-build.yaml
echo "Deploying up OpenStack CCP..."
ansible-playbook -i $INVENTORY playbooks/ccp-deploy.yaml
+22
View File
@@ -0,0 +1,22 @@
#!/bin/bash
# Packages
apt-get --yes update
apt-get --yes upgrade
apt-get --yes install git screen vim telnet tcpdump python-setuptools gcc python-dev python-pip libssl-dev libffi-dev software-properties-common curl python-netaddr
# Get ansible-2.1+, vanilla ubuntu-16.04 ansible (2.0.0.2) is broken due to https://github.com/ansible/ansible/issues/13876
ansible --version || (
apt-add-repository -y ppa:ansible/ansible
apt-get update
apt-get install -y ansible
)
# Copy/create nodes list
test -f ./nodes || cp /var/tmp/nodes ./nodes
# Either pull or copy microservices repos
cp -a /var/tmp/microservices* ./ccp/ || touch /var/tmp/ccp-download
# Pull kargo
git clone https://github.com/kubespray/kargo ~/kargo
+2
View File
@@ -0,0 +1,2 @@
microservices-repos
microservices
+16
View File
@@ -0,0 +1,16 @@
[DEFAULT]
deploy_config = /root/ccp/deploy-config.yaml
[builder]
push = True
[registry]
address = "127.0.0.1:31500"
[kubernetes]
namespace = "openstack"
[repositories]
skip_empty = True
protocol = https
port = 443
+6
View File
@@ -0,0 +1,6 @@
configs:
public_interface: "eth1"
private_interface: "eth2"
neutron_external_interface: "eth3"
neutron_logging_debug: "true"
neutron_plugin_agent: "openvswitch"
+25
View File
@@ -0,0 +1,25 @@
#!/bin/bash
set -e
# FIXME: hardcoded roles
declare -A nodes
nodes=( \
["node1"]="openstack-controller=true"
["node2"]="openstack-compute=true"
["node3"]="openstack-compute=true"
)
label_nodes() {
all_label='openstack-compute-controller=true'
for i in "${!nodes[@]}"
do
node=$i
label=${nodes[$i]}
kubectl get nodes $node --show-labels | grep -q "$label" || kubectl label nodes $node $label
kubectl get nodes $node --show-labels | grep -q "$all_label" || kubectl label nodes $node $all_label
done
}
label_nodes
+16
View File
@@ -0,0 +1,16 @@
apiVersion: v1
kind: Pod
metadata:
name: registry
labels:
app: registry
spec:
containers:
- name: registry
image: registry:2
env:
imagePullPolicy: Always
ports:
- containerPort: 5000
hostPort: 5000
+15
View File
@@ -0,0 +1,15 @@
kind: "Service"
apiVersion: "v1"
metadata:
name: "registry"
spec:
selector:
app: "registry"
ports:
-
protocol: "TCP"
port: 5000
targetPort: 5000
nodePort: 31500
type: "NodePort"
-36
View File
@@ -1,36 +0,0 @@
---
- hosts: all
gather_facts: false
roles:
- bootstrap-os
tags:
- bootstrap-os
- hosts: all
gather_facts: true
- hosts: etcd:!k8s-cluster
roles:
- { role: kubernetes/preinstall, tags: preinstall }
- { role: etcd, tags: etcd }
- hosts: k8s-cluster
roles:
- { role: kubernetes/preinstall, tags: preinstall }
- { role: etcd, tags: etcd }
- { role: kubernetes/node, tags: node }
- { role: network_plugin, tags: network }
- hosts: kube-master
roles:
- { role: kubernetes/preinstall, tags: preinstall }
- { role: kubernetes/master, tags: master }
- hosts: k8s-cluster
roles:
- { role: dnsmasq, tags: dnsmasq }
- hosts: kube-master[0]
roles:
- { role: kubernetes-apps, tags: apps }
-59
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@@ -1,59 +0,0 @@
## Kubernetes Community Code of Conduct
### Contributor Code of Conduct
As contributors and maintainers of this project, and in the interest of fostering
an open and welcoming community, we pledge to respect all people who contribute
through reporting issues, posting feature requests, updating documentation,
submitting pull requests or patches, and other activities.
We are committed to making participation in this project a harassment-free experience for
everyone, regardless of level of experience, gender, gender identity and expression,
sexual orientation, disability, personal appearance, body size, race, ethnicity, age,
religion, or nationality.
Examples of unacceptable behavior by participants include:
* The use of sexualized language or imagery
* Personal attacks
* Trolling or insulting/derogatory comments
* Public or private harassment
* Publishing other's private information, such as physical or electronic addresses,
without explicit permission
* Other unethical or unprofessional conduct.
Project maintainers have the right and responsibility to remove, edit, or reject
comments, commits, code, wiki edits, issues, and other contributions that are not
aligned to this Code of Conduct. By adopting this Code of Conduct, project maintainers
commit themselves to fairly and consistently applying these principles to every aspect
of managing this project. Project maintainers who do not follow or enforce the Code of
Conduct may be permanently removed from the project team.
This code of conduct applies both within project spaces and in public spaces
when an individual is representing the project or its community.
Instances of abusive, harassing, or otherwise unacceptable behavior may be reported by
opening an issue or contacting one or more of the project maintainers.
This Code of Conduct is adapted from the Contributor Covenant
(http://contributor-covenant.org), version 1.2.0, available at
http://contributor-covenant.org/version/1/2/0/
### Kubernetes Events Code of Conduct
Kubernetes events are working conferences intended for professional networking and collaboration in the
Kubernetes community. Attendees are expected to behave according to professional standards and in accordance
with their employer's policies on appropriate workplace behavior.
While at Kubernetes events or related social networking opportunities, attendees should not engage in
discriminatory or offensive speech or actions regarding gender, sexuality, race, or religion. Speakers should
be especially aware of these concerns.
The Kubernetes team does not condone any statements by speakers contrary to these standards. The Kubernetes
team reserves the right to deny entrance and/or eject from an event (without refund) any individual found to
be engaging in discriminatory or offensive speech or actions.
Please bring any concerns to to the immediate attention of Kubernetes event staff
[![Analytics](https://kubernetes-site.appspot.com/UA-36037335-10/GitHub/code-of-conduct.md?pixel)]()
-2
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@@ -1,2 +0,0 @@
*.tfstate*
inventory
@@ -1,261 +0,0 @@
variable "deploymentName" {
type = "string"
description = "The desired name of your deployment."
}
variable "numControllers"{
type = "string"
description = "Desired # of controllers."
}
variable "numEtcd" {
type = "string"
description = "Desired # of etcd nodes. Should be an odd number."
}
variable "numNodes" {
type = "string"
description = "Desired # of nodes."
}
variable "volSizeController" {
type = "string"
description = "Volume size for the controllers (GB)."
}
variable "volSizeEtcd" {
type = "string"
description = "Volume size for etcd (GB)."
}
variable "volSizeNodes" {
type = "string"
description = "Volume size for nodes (GB)."
}
variable "subnet" {
type = "string"
description = "The subnet in which to put your cluster."
}
variable "securityGroups" {
type = "string"
description = "The sec. groups in which to put your cluster."
}
variable "ami"{
type = "string"
description = "AMI to use for all VMs in cluster."
}
variable "SSHKey" {
type = "string"
description = "SSH key to use for VMs."
}
variable "master_instance_type" {
type = "string"
description = "Size of VM to use for masters."
}
variable "etcd_instance_type" {
type = "string"
description = "Size of VM to use for etcd."
}
variable "node_instance_type" {
type = "string"
description = "Size of VM to use for nodes."
}
variable "terminate_protect" {
type = "string"
default = "false"
}
variable "awsRegion" {
type = "string"
}
provider "aws" {
region = "${var.awsRegion}"
}
variable "iam_prefix" {
type = "string"
description = "Prefix name for IAM profiles"
}
resource "aws_iam_instance_profile" "kubernetes_master_profile" {
name = "${var.iam_prefix}_kubernetes_master_profile"
roles = ["${aws_iam_role.kubernetes_master_role.name}"]
}
resource "aws_iam_role" "kubernetes_master_role" {
name = "${var.iam_prefix}_kubernetes_master_role"
assume_role_policy = <<EOF
{
"Version": "2012-10-17",
"Statement": [
{
"Effect": "Allow",
"Principal": { "Service": "ec2.amazonaws.com"},
"Action": "sts:AssumeRole"
}
]
}
EOF
}
resource "aws_iam_role_policy" "kubernetes_master_policy" {
name = "${var.iam_prefix}_kubernetes_master_policy"
role = "${aws_iam_role.kubernetes_master_role.id}"
policy = <<EOF
{
"Version": "2012-10-17",
"Statement": [
{
"Effect": "Allow",
"Action": ["ec2:*"],
"Resource": ["*"]
},
{
"Effect": "Allow",
"Action": ["elasticloadbalancing:*"],
"Resource": ["*"]
},
{
"Effect": "Allow",
"Action": "s3:*",
"Resource": "*"
}
]
}
EOF
}
resource "aws_iam_instance_profile" "kubernetes_node_profile" {
name = "${var.iam_prefix}_kubernetes_node_profile"
roles = ["${aws_iam_role.kubernetes_node_role.name}"]
}
resource "aws_iam_role" "kubernetes_node_role" {
name = "${var.iam_prefix}_kubernetes_node_role"
assume_role_policy = <<EOF
{
"Version": "2012-10-17",
"Statement": [
{
"Effect": "Allow",
"Principal": { "Service": "ec2.amazonaws.com"},
"Action": "sts:AssumeRole"
}
]
}
EOF
}
resource "aws_iam_role_policy" "kubernetes_node_policy" {
name = "${var.iam_prefix}_kubernetes_node_policy"
role = "${aws_iam_role.kubernetes_node_role.id}"
policy = <<EOF
{
"Version": "2012-10-17",
"Statement": [
{
"Effect": "Allow",
"Action": "s3:*",
"Resource": "*"
},
{
"Effect": "Allow",
"Action": "ec2:Describe*",
"Resource": "*"
},
{
"Effect": "Allow",
"Action": "ec2:AttachVolume",
"Resource": "*"
},
{
"Effect": "Allow",
"Action": "ec2:DetachVolume",
"Resource": "*"
}
]
}
EOF
}
resource "aws_instance" "master" {
count = "${var.numControllers}"
ami = "${var.ami}"
instance_type = "${var.master_instance_type}"
subnet_id = "${var.subnet}"
vpc_security_group_ids = ["${var.securityGroups}"]
key_name = "${var.SSHKey}"
disable_api_termination = "${var.terminate_protect}"
iam_instance_profile = "${aws_iam_instance_profile.kubernetes_master_profile.id}"
root_block_device {
volume_size = "${var.volSizeController}"
}
tags {
Name = "${var.deploymentName}-master-${count.index + 1}"
}
}
resource "aws_instance" "etcd" {
count = "${var.numEtcd}"
ami = "${var.ami}"
instance_type = "${var.etcd_instance_type}"
subnet_id = "${var.subnet}"
vpc_security_group_ids = ["${var.securityGroups}"]
key_name = "${var.SSHKey}"
disable_api_termination = "${var.terminate_protect}"
root_block_device {
volume_size = "${var.volSizeEtcd}"
}
tags {
Name = "${var.deploymentName}-etcd-${count.index + 1}"
}
}
resource "aws_instance" "minion" {
count = "${var.numNodes}"
ami = "${var.ami}"
instance_type = "${var.node_instance_type}"
subnet_id = "${var.subnet}"
vpc_security_group_ids = ["${var.securityGroups}"]
key_name = "${var.SSHKey}"
disable_api_termination = "${var.terminate_protect}"
iam_instance_profile = "${aws_iam_instance_profile.kubernetes_node_profile.id}"
root_block_device {
volume_size = "${var.volSizeNodes}"
}
tags {
Name = "${var.deploymentName}-minion-${count.index + 1}"
}
}
output "kubernetes_master_profile" {
value = "${aws_iam_instance_profile.kubernetes_master_profile.id}"
}
output "kubernetes_node_profile" {
value = "${aws_iam_instance_profile.kubernetes_node_profile.id}"
}
output "master-ip" {
value = "${join(", ", aws_instance.master.*.private_ip)}"
}
output "etcd-ip" {
value = "${join(", ", aws_instance.etcd.*.private_ip)}"
}
output "minion-ip" {
value = "${join(", ", aws_instance.minion.*.private_ip)}"
}
@@ -1,37 +0,0 @@
variable "SSHUser" {
type = "string"
description = "SSH User for VMs."
}
resource "null_resource" "ansible-provision" {
depends_on = ["aws_instance.master","aws_instance.etcd","aws_instance.minion"]
##Create Master Inventory
provisioner "local-exec" {
command = "echo \"[kube-master]\" > inventory"
}
provisioner "local-exec" {
command = "echo \"${join("\n",formatlist("%s ansible_ssh_user=%s", aws_instance.master.*.private_ip, var.SSHUser))}\" >> inventory"
}
##Create ETCD Inventory
provisioner "local-exec" {
command = "echo \"\n[etcd]\" >> inventory"
}
provisioner "local-exec" {
command = "echo \"${join("\n",formatlist("%s ansible_ssh_user=%s", aws_instance.etcd.*.private_ip, var.SSHUser))}\" >> inventory"
}
##Create Nodes Inventory
provisioner "local-exec" {
command = "echo \"\n[kube-node]\" >> inventory"
}
provisioner "local-exec" {
command = "echo \"${join("\n",formatlist("%s ansible_ssh_user=%s", aws_instance.minion.*.private_ip, var.SSHUser))}\" >> inventory"
}
provisioner "local-exec" {
command = "echo \"\n[k8s-cluster:children]\nkube-node\nkube-master\netcd\" >> inventory"
}
}
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## Kubernetes on AWS with Terraform
**Overview:**
- This will create nodes in a VPC inside of AWS
- A dynamic number of masters, etcd, and nodes can be created
- These scripts currently expect Private IP connectivity with the nodes that are created. This means that you may need a tunnel to your VPC or to run these scripts from a VM inside the VPC. Will be looking into how to work around this later.
**How to Use:**
- Export the variables for your Amazon credentials:
```
export AWS_ACCESS_KEY_ID="xxx"
export AWS_SECRET_ACCESS_KEY="yyy"
```
- Update contrib/terraform/aws/terraform.tfvars with your data
- Run with `terraform apply`
- Once the infrastructure is created, you can run the kubespray playbooks and supply contrib/terraform/aws/inventory with the `-i` flag.
**Future Work:**
- Update the inventory creation file to be something a little more reasonable. It's just a local-exec from Terraform now, using terraform.py or something may make sense in the future.
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@@ -1,22 +0,0 @@
deploymentName="test-kube-deploy"
numControllers="2"
numEtcd="3"
numNodes="2"
volSizeController="20"
volSizeEtcd="20"
volSizeNodes="20"
awsRegion="us-west-2"
subnet="subnet-xxxxx"
ami="ami-32a85152"
securityGroups="sg-xxxxx"
SSHUser="core"
SSHKey="my-key"
master_instance_type="m3.xlarge"
etcd_instance_type="m3.xlarge"
node_instance_type="m3.xlarge"
terminate_protect="false"
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@@ -1,137 +0,0 @@
# Kubernetes on Openstack with Terraform
Provision a Kubernetes cluster with [Terraform](https://www.terraform.io) on
Openstack.
## Status
This will install a Kubernetes cluster on an Openstack Cloud. It is tested on a
OpenStack Cloud provided by [BlueBox](https://www.blueboxcloud.com/) and
should work on most modern installs of OpenStack that support the basic
services.
There are some assumptions made to try and ensure it will work on your openstack cluster.
* floating-ips are used for access
* you already have a suitable OS image in glance
* you already have both an internal network and a floating-ip pool created
* you have security-groups enabled
## Requirements
- [Install Terraform](https://www.terraform.io/intro/getting-started/install.html)
## Terraform
Terraform will be used to provision all of the OpenStack resources required to
run Docker Swarm. It is also used to deploy and provision the software
requirements.
### Prep
#### OpenStack
Ensure your OpenStack credentials are loaded in environment variables. This is
how I do it:
```
$ source ~/.stackrc
```
You will need two networks before installing, an internal network and
an external (floating IP Pool) network. The internet network can be shared as
we use security groups to provide network segregation. Due to the many
differences between OpenStack installs the Terraform does not attempt to create
these for you.
By default Terraform will expect that your networks are called `internal` and
`external`. You can change this by altering the Terraform variables `network_name` and `floatingip_pool`.
A full list of variables you can change can be found at [variables.tf](variables.tf).
All OpenStack resources will use the Terraform variable `cluster_name` (
default `example`) in their name to make it easier to track. For example the
first compute resource will be named `example-kubernetes-1`.
#### Terraform
Ensure your local ssh-agent is running and your ssh key has been added. This
step is required by the terraform provisioner:
```
$ eval $(ssh-agent -s)
$ ssh-add ~/.ssh/id_rsa
```
Ensure that you have your Openstack credentials loaded into Terraform
environment variables. Likely via a command similar to:
```
$ echo Setting up Terraform creds && \
export TF_VAR_username=${OS_USERNAME} && \
export TF_VAR_password=${OS_PASSWORD} && \
export TF_VAR_tenant=${OS_TENANT_NAME} && \
export TF_VAR_auth_url=${OS_AUTH_URL}
```
# Provision a Kubernetes Cluster on OpenStack
```
terraform apply -state=contrib/terraform/openstack/terraform.tfstate contrib/terraform/openstack
openstack_compute_secgroup_v2.k8s_master: Creating...
description: "" => "example - Kubernetes Master"
name: "" => "example-k8s-master"
rule.#: "" => "<computed>"
...
...
Apply complete! Resources: 9 added, 0 changed, 0 destroyed.
The state of your infrastructure has been saved to the path
below. This state is required to modify and destroy your
infrastructure, so keep it safe. To inspect the complete state
use the `terraform show` command.
State path: contrib/terraform/openstack/terraform.tfstate
```
Make sure you can connect to the hosts:
```
$ ansible -i contrib/terraform/openstack/hosts -m ping all
example-k8s_node-1 | SUCCESS => {
"changed": false,
"ping": "pong"
}
example-etcd-1 | SUCCESS => {
"changed": false,
"ping": "pong"
}
example-k8s-master-1 | SUCCESS => {
"changed": false,
"ping": "pong"
}
```
if it fails try to connect manually via SSH ... it could be somthing as simple as a stale host key.
Deploy kubernetes:
```
$ ansible-playbook --become -i contrib/terraform/openstack/hosts cluster.yml
```
# clean up:
```
$ terraform destroy
Do you really want to destroy?
Terraform will delete all your managed infrastructure.
There is no undo. Only 'yes' will be accepted to confirm.
Enter a value: yes
...
...
Apply complete! Resources: 0 added, 0 changed, 12 destroyed.
```
@@ -1,136 +0,0 @@
# Directory where the binaries will be installed
bin_dir: /usr/local/bin
# Where the binaries will be downloaded.
# Note: ensure that you've enough disk space (about 1G)
local_release_dir: "/tmp/releases"
# Uncomment this line for CoreOS only.
# Directory where python binary is installed
# ansible_python_interpreter: "/opt/bin/python"
# This is the group that the cert creation scripts chgrp the
# cert files to. Not really changable...
kube_cert_group: kube-cert
# Cluster Loglevel configuration
kube_log_level: 2
# Users to create for basic auth in Kubernetes API via HTTP
kube_api_pwd: "changeme"
kube_users:
kube:
pass: "{{kube_api_pwd}}"
role: admin
root:
pass: "changeme"
role: admin
# Kubernetes cluster name, also will be used as DNS domain
cluster_name: cluster.local
# For some environments, each node has a pubilcally accessible
# address and an address it should bind services to. These are
# really inventory level variables, but described here for consistency.
#
# When advertising access, the access_ip will be used, but will defer to
# ip and then the default ansible ip when unspecified.
#
# When binding to restrict access, the ip variable will be used, but will
# defer to the default ansible ip when unspecified.
#
# The ip variable is used for specific address binding, e.g. listen address
# for etcd. This is use to help with environments like Vagrant or multi-nic
# systems where one address should be preferred over another.
# ip: 10.2.2.2
#
# The access_ip variable is used to define how other nodes should access
# the node. This is used in flannel to allow other flannel nodes to see
# this node for example. The access_ip is really useful AWS and Google
# environments where the nodes are accessed remotely by the "public" ip,
# but don't know about that address themselves.
# access_ip: 1.1.1.1
# Choose network plugin (calico, weave or flannel)
kube_network_plugin: flannel
# Kubernetes internal network for services, unused block of space.
kube_service_addresses: 10.233.0.0/18
# internal network. When used, it will assign IP
# addresses from this range to individual pods.
# This network must be unused in your network infrastructure!
kube_pods_subnet: 10.233.64.0/18
# internal network total size (optional). This is the prefix of the
# entire network. Must be unused in your environment.
# kube_network_prefix: 18
# internal network node size allocation (optional). This is the size allocated
# to each node on your network. With these defaults you should have
# room for 4096 nodes with 254 pods per node.
kube_network_node_prefix: 24
# With calico it is possible to distributed routes with border routers of the datacenter.
peer_with_router: false
# Warning : enabling router peering will disable calico's default behavior ('node mesh').
# The subnets of each nodes will be distributed by the datacenter router
# The port the API Server will be listening on.
kube_apiserver_ip: "{{ kube_service_addresses|ipaddr('net')|ipaddr(1)|ipaddr('address') }}"
kube_apiserver_port: 443 # (https)
kube_apiserver_insecure_port: 8080 # (http)
# Internal DNS configuration.
# Kubernetes can create and mainatain its own DNS server to resolve service names
# into appropriate IP addresses. It's highly advisable to run such DNS server,
# as it greatly simplifies configuration of your applications - you can use
# service names instead of magic environment variables.
# You still must manually configure all your containers to use this DNS server,
# Kubernetes won't do this for you (yet).
# Upstream dns servers used by dnsmasq
upstream_dns_servers:
- 8.8.8.8
- 8.8.4.4
#
# # Use dns server : https://github.com/ansibl8s/k8s-skydns/blob/master/skydns-README.md
dns_setup: true
dns_domain: "{{ cluster_name }}"
#
# # Ip address of the kubernetes skydns service
skydns_server: "{{ kube_service_addresses|ipaddr('net')|ipaddr(3)|ipaddr('address') }}"
dns_server: "{{ kube_service_addresses|ipaddr('net')|ipaddr(2)|ipaddr('address') }}"
# There are some changes specific to the cloud providers
# for instance we need to encapsulate packets with some network plugins
# If set the possible values are either 'gce', 'aws' or 'openstack'
# When openstack is used make sure to source in the openstack credentials
# like you would do when using nova-client before starting the playbook.
# cloud_provider:
# For multi masters architecture:
# kube-proxy doesn't support multiple apiservers for the time being so you'll need to configure your own loadbalancer
# This domain name will be inserted into the /etc/hosts file of all servers
# configuration example with haproxy :
# listen kubernetes-apiserver-https
# bind 10.99.0.21:8383
# option ssl-hello-chk
# mode tcp
# timeout client 3h
# timeout server 3h
# server master1 10.99.0.26:443
# server master2 10.99.0.27:443
# balance roundrobin
# apiserver_loadbalancer_domain_name: "lb-apiserver.kubernetes.local"
## Set these proxy values in order to update docker daemon to use proxies
# http_proxy: ""
# https_proxy: ""
# no_proxy: ""
## A string of extra options to pass to the docker daemon.
## This string should be exactly as you wish it to appear.
## An obvious use case is allowing insecure-registry access
## to self hosted registries like so:
docker_options: "--insecure-registry={{ kube_service_addresses }}"
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../terraform.py
-94
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@@ -1,94 +0,0 @@
resource "openstack_networking_floatingip_v2" "k8s_master" {
count = "${var.number_of_k8s_masters}"
pool = "${var.floatingip_pool}"
}
resource "openstack_networking_floatingip_v2" "k8s_node" {
count = "${var.number_of_k8s_nodes}"
pool = "${var.floatingip_pool}"
}
resource "openstack_compute_keypair_v2" "k8s" {
name = "kubernetes-${var.cluster_name}"
public_key = "${file(var.public_key_path)}"
}
resource "openstack_compute_secgroup_v2" "k8s_master" {
name = "${var.cluster_name}-k8s-master"
description = "${var.cluster_name} - Kubernetes Master"
}
resource "openstack_compute_secgroup_v2" "k8s" {
name = "${var.cluster_name}-k8s"
description = "${var.cluster_name} - Kubernetes"
rule {
ip_protocol = "tcp"
from_port = "22"
to_port = "22"
cidr = "0.0.0.0/0"
}
rule {
ip_protocol = "icmp"
from_port = "-1"
to_port = "-1"
cidr = "0.0.0.0/0"
}
rule {
ip_protocol = "tcp"
from_port = "1"
to_port = "65535"
self = true
}
rule {
ip_protocol = "udp"
from_port = "1"
to_port = "65535"
self = true
}
rule {
ip_protocol = "icmp"
from_port = "-1"
to_port = "-1"
self = true
}
}
resource "openstack_compute_instance_v2" "k8s_master" {
name = "${var.cluster_name}-k8s-master-${count.index+1}"
count = "${var.number_of_k8s_masters}"
image_name = "${var.image}"
flavor_id = "${var.flavor_k8s_master}"
key_pair = "${openstack_compute_keypair_v2.k8s.name}"
network {
name = "${var.network_name}"
}
security_groups = [ "${openstack_compute_secgroup_v2.k8s_master.name}",
"${openstack_compute_secgroup_v2.k8s.name}" ]
floating_ip = "${element(openstack_networking_floatingip_v2.k8s_master.*.address, count.index)}"
metadata = {
ssh_user = "${var.ssh_user}"
kubespray_groups = "etcd,kube-master,kube-node,k8s-cluster"
}
}
resource "openstack_compute_instance_v2" "k8s_node" {
name = "${var.cluster_name}-k8s-node-${count.index+1}"
count = "${var.number_of_k8s_nodes}"
image_name = "${var.image}"
flavor_id = "${var.flavor_k8s_node}"
key_pair = "${openstack_compute_keypair_v2.k8s.name}"
network {
name = "${var.network_name}"
}
security_groups = ["${openstack_compute_secgroup_v2.k8s.name}" ]
floating_ip = "${element(openstack_networking_floatingip_v2.k8s_node.*.address, count.index)}"
metadata = {
ssh_user = "${var.ssh_user}"
kubespray_groups = "kube-node,k8s-cluster"
}
}
#output "msg" {
# value = "Your hosts are ready to go!\nYour ssh hosts are: ${join(", ", openstack_networking_floatingip_v2.k8s_master.*.address )}"
#}
@@ -1,238 +0,0 @@
{
"version": 1,
"serial": 17,
"modules": [
{
"path": [
"root"
],
"outputs": {},
"resources": {
"openstack_compute_instance_v2.k8s_master.0": {
"type": "openstack_compute_instance_v2",
"depends_on": [
"openstack_compute_keypair_v2.k8s",
"openstack_compute_secgroup_v2.k8s",
"openstack_compute_secgroup_v2.k8s_master",
"openstack_networking_floatingip_v2.k8s_master"
],
"primary": {
"id": "f4a44f6e-33ff-4e35-b593-34f3dfd80dc9",
"attributes": {
"access_ip_v4": "173.247.105.12",
"access_ip_v6": "",
"flavor_id": "3",
"flavor_name": "m1.medium",
"floating_ip": "173.247.105.12",
"id": "f4a44f6e-33ff-4e35-b593-34f3dfd80dc9",
"image_id": "1525c3f3-1224-4958-bd07-da9feaedf18b",
"image_name": "ubuntu-14.04",
"key_pair": "kubernetes-example",
"metadata.#": "2",
"metadata.kubespray_groups": "etcd,kube-master,kube-node,k8s-cluster",
"metadata.ssh_user": "ubuntu",
"name": "example-k8s-master-1",
"network.#": "1",
"network.0.access_network": "false",
"network.0.fixed_ip_v4": "10.230.7.86",
"network.0.fixed_ip_v6": "",
"network.0.floating_ip": "173.247.105.12",
"network.0.mac": "fa:16:3e:fb:82:1d",
"network.0.name": "internal",
"network.0.port": "",
"network.0.uuid": "ba0fdd03-72b5-41eb-bb67-fef437fd6cb4",
"security_groups.#": "2",
"security_groups.2779334175": "example-k8s",
"security_groups.3772290257": "example-k8s-master",
"volume.#": "0"
}
}
},
"openstack_compute_instance_v2.k8s_master.1": {
"type": "openstack_compute_instance_v2",
"depends_on": [
"openstack_compute_keypair_v2.k8s",
"openstack_compute_secgroup_v2.k8s",
"openstack_compute_secgroup_v2.k8s_master",
"openstack_networking_floatingip_v2.k8s_master"
],
"primary": {
"id": "cbb565fe-a3b6-44ff-8f81-8ec29704d11b",
"attributes": {
"access_ip_v4": "173.247.105.70",
"access_ip_v6": "",
"flavor_id": "3",
"flavor_name": "m1.medium",
"floating_ip": "173.247.105.70",
"id": "cbb565fe-a3b6-44ff-8f81-8ec29704d11b",
"image_id": "1525c3f3-1224-4958-bd07-da9feaedf18b",
"image_name": "ubuntu-14.04",
"key_pair": "kubernetes-example",
"metadata.#": "2",
"metadata.kubespray_groups": "etcd,kube-master,kube-node,k8s-cluster",
"metadata.ssh_user": "ubuntu",
"name": "example-k8s-master-2",
"network.#": "1",
"network.0.access_network": "false",
"network.0.fixed_ip_v4": "10.230.7.85",
"network.0.fixed_ip_v6": "",
"network.0.floating_ip": "173.247.105.70",
"network.0.mac": "fa:16:3e:33:98:e6",
"network.0.name": "internal",
"network.0.port": "",
"network.0.uuid": "ba0fdd03-72b5-41eb-bb67-fef437fd6cb4",
"security_groups.#": "2",
"security_groups.2779334175": "example-k8s",
"security_groups.3772290257": "example-k8s-master",
"volume.#": "0"
}
}
},
"openstack_compute_instance_v2.k8s_node": {
"type": "openstack_compute_instance_v2",
"depends_on": [
"openstack_compute_keypair_v2.k8s",
"openstack_compute_secgroup_v2.k8s",
"openstack_networking_floatingip_v2.k8s_node"
],
"primary": {
"id": "39deed7e-8307-4b62-b56c-ce2b405a03fa",
"attributes": {
"access_ip_v4": "173.247.105.76",
"access_ip_v6": "",
"flavor_id": "3",
"flavor_name": "m1.medium",
"floating_ip": "173.247.105.76",
"id": "39deed7e-8307-4b62-b56c-ce2b405a03fa",
"image_id": "1525c3f3-1224-4958-bd07-da9feaedf18b",
"image_name": "ubuntu-14.04",
"key_pair": "kubernetes-example",
"metadata.#": "2",
"metadata.kubespray_groups": "kube-node,k8s-cluster",
"metadata.ssh_user": "ubuntu",
"name": "example-k8s-node-1",
"network.#": "1",
"network.0.access_network": "false",
"network.0.fixed_ip_v4": "10.230.7.84",
"network.0.fixed_ip_v6": "",
"network.0.floating_ip": "173.247.105.76",
"network.0.mac": "fa:16:3e:53:57:bc",
"network.0.name": "internal",
"network.0.port": "",
"network.0.uuid": "ba0fdd03-72b5-41eb-bb67-fef437fd6cb4",
"security_groups.#": "1",
"security_groups.2779334175": "example-k8s",
"volume.#": "0"
}
}
},
"openstack_compute_keypair_v2.k8s": {
"type": "openstack_compute_keypair_v2",
"primary": {
"id": "kubernetes-example",
"attributes": {
"id": "kubernetes-example",
"name": "kubernetes-example",
"public_key": "ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAABAQC9nU6RPYCabjLH1LvJfpp9L8r8q5RZ6niS92zD95xpm2b2obVydWe0tCSFdmULBuvT8Q8YQ4qOG2g/oJlsGOsia+4CQjYEUV9CgTH9H5HK3vUOwtO5g2eFnYKSmI/4znHa0WYpQFnQK2kSSeCs2beTlJhc8vjfN/2HHmuny6SxNSbnCk/nZdwamxEONIVdjlm3CSBlq4PChT/D/uUqm/nOm0Zqdk9ZlTBkucsjiOCJeEzg4HioKmIH8ewqsKuS7kMADHPH98JMdBhTKbYbLrxTC/RfiaON58WJpmdOA935TT5Td5aVQZoqe/i/5yFRp5fMG239jtfbM0Igu44TEIib pczarkowski@Pauls-MacBook-Pro.local\n"
}
}
},
"openstack_compute_secgroup_v2.k8s": {
"type": "openstack_compute_secgroup_v2",
"primary": {
"id": "418394e2-b4be-4953-b7a3-b309bf28fbdb",
"attributes": {
"description": "example - Kubernetes",
"id": "418394e2-b4be-4953-b7a3-b309bf28fbdb",
"name": "example-k8s",
"rule.#": "5",
"rule.112275015.cidr": "",
"rule.112275015.from_group_id": "",
"rule.112275015.from_port": "1",
"rule.112275015.id": "597170c9-b35a-45c0-8717-652a342f3fd6",
"rule.112275015.ip_protocol": "tcp",
"rule.112275015.self": "true",
"rule.112275015.to_port": "65535",
"rule.2180185248.cidr": "0.0.0.0/0",
"rule.2180185248.from_group_id": "",
"rule.2180185248.from_port": "-1",
"rule.2180185248.id": "ffdcdd5e-f18b-4537-b502-8849affdfed9",
"rule.2180185248.ip_protocol": "icmp",
"rule.2180185248.self": "false",
"rule.2180185248.to_port": "-1",
"rule.3267409695.cidr": "",
"rule.3267409695.from_group_id": "",
"rule.3267409695.from_port": "-1",
"rule.3267409695.id": "4f91d9ca-940c-4f4d-9ce1-024cbd7d9c54",
"rule.3267409695.ip_protocol": "icmp",
"rule.3267409695.self": "true",
"rule.3267409695.to_port": "-1",
"rule.635693822.cidr": "",
"rule.635693822.from_group_id": "",
"rule.635693822.from_port": "1",
"rule.635693822.id": "c6816e5b-a1a4-4071-acce-d09b92d14d49",
"rule.635693822.ip_protocol": "udp",
"rule.635693822.self": "true",
"rule.635693822.to_port": "65535",
"rule.836640770.cidr": "0.0.0.0/0",
"rule.836640770.from_group_id": "",
"rule.836640770.from_port": "22",
"rule.836640770.id": "8845acba-636b-4c23-b9e2-5bff76d9008d",
"rule.836640770.ip_protocol": "tcp",
"rule.836640770.self": "false",
"rule.836640770.to_port": "22"
}
}
},
"openstack_compute_secgroup_v2.k8s_master": {
"type": "openstack_compute_secgroup_v2",
"primary": {
"id": "c74aed25-6161-46c4-a488-dfc7f49a228e",
"attributes": {
"description": "example - Kubernetes Master",
"id": "c74aed25-6161-46c4-a488-dfc7f49a228e",
"name": "example-k8s-master",
"rule.#": "0"
}
}
},
"openstack_networking_floatingip_v2.k8s_master.0": {
"type": "openstack_networking_floatingip_v2",
"primary": {
"id": "2a320c67-214d-4631-a840-2de82505ed3f",
"attributes": {
"address": "173.247.105.12",
"id": "2a320c67-214d-4631-a840-2de82505ed3f",
"pool": "external",
"port_id": ""
}
}
},
"openstack_networking_floatingip_v2.k8s_master.1": {
"type": "openstack_networking_floatingip_v2",
"primary": {
"id": "3adbfc13-e7ae-4bcf-99d3-3ba9db056e1f",
"attributes": {
"address": "173.247.105.70",
"id": "3adbfc13-e7ae-4bcf-99d3-3ba9db056e1f",
"pool": "external",
"port_id": ""
}
}
},
"openstack_networking_floatingip_v2.k8s_node": {
"type": "openstack_networking_floatingip_v2",
"primary": {
"id": "a3f77aa6-5c3a-4edf-b97e-ee211dfa81e1",
"attributes": {
"address": "173.247.105.76",
"id": "a3f77aa6-5c3a-4edf-b97e-ee211dfa81e1",
"pool": "external",
"port_id": ""
}
}
}
}
}
]
}
@@ -1,13 +0,0 @@
{
"version": 1,
"serial": 16,
"modules": [
{
"path": [
"root"
],
"outputs": {},
"resources": {}
}
]
}
-61
View File
@@ -1,61 +0,0 @@
variable "cluster_name" {
default = "example"
}
variable "number_of_k8s_masters" {
default = 2
}
variable "number_of_k8s_nodes" {
default = 1
}
variable "public_key_path" {
description = "The path of the ssh pub key"
default = "~/.ssh/id_rsa.pub"
}
variable "image" {
description = "the image to use"
default = "ubuntu-14.04"
}
variable "ssh_user" {
description = "used to fill out tags for ansible inventory"
default = "ubuntu"
}
variable "flavor_k8s_master" {
default = 3
}
variable "flavor_k8s_node" {
default = 3
}
variable "network_name" {
description = "name of the internal network to use"
default = "internal"
}
variable "floatingip_pool" {
description = "name of the floating ip pool to use"
default = "external"
}
variable "username" {
description = "Your openstack username"
}
variable "password" {
description = "Your openstack password"
}
variable "tenant" {
description = "Your openstack tenant/project"
}
variable "auth_url" {
description = "Your openstack auth URL"
}
-736
View File
@@ -1,736 +0,0 @@
#!/usr/bin/env python
#
# Copyright 2015 Cisco Systems, Inc.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
# original: https://github.com/CiscoCloud/terraform.py
"""\
Dynamic inventory for Terraform - finds all `.tfstate` files below the working
directory and generates an inventory based on them.
"""
from __future__ import unicode_literals, print_function
import argparse
from collections import defaultdict
from functools import wraps
import json
import os
import re
VERSION = '0.3.0pre'
def tfstates(root=None):
root = root or os.getcwd()
for dirpath, _, filenames in os.walk(root):
for name in filenames:
if os.path.splitext(name)[-1] == '.tfstate':
yield os.path.join(dirpath, name)
def iterresources(filenames):
for filename in filenames:
with open(filename, 'r') as json_file:
state = json.load(json_file)
for module in state['modules']:
name = module['path'][-1]
for key, resource in module['resources'].items():
yield name, key, resource
## READ RESOURCES
PARSERS = {}
def _clean_dc(dcname):
# Consul DCs are strictly alphanumeric with underscores and hyphens -
# ensure that the consul_dc attribute meets these requirements.
return re.sub('[^\w_\-]', '-', dcname)
def iterhosts(resources):
'''yield host tuples of (name, attributes, groups)'''
for module_name, key, resource in resources:
resource_type, name = key.split('.', 1)
try:
parser = PARSERS[resource_type]
except KeyError:
continue
yield parser(resource, module_name)
def parses(prefix):
def inner(func):
PARSERS[prefix] = func
return func
return inner
def calculate_mantl_vars(func):
"""calculate Mantl vars"""
@wraps(func)
def inner(*args, **kwargs):
name, attrs, groups = func(*args, **kwargs)
# attrs
if attrs.get('role', '') == 'control':
attrs['consul_is_server'] = True
else:
attrs['consul_is_server'] = False
# groups
if attrs.get('publicly_routable', False):
groups.append('publicly_routable')
return name, attrs, groups
return inner
def _parse_prefix(source, prefix, sep='.'):
for compkey, value in source.items():
try:
curprefix, rest = compkey.split(sep, 1)
except ValueError:
continue
if curprefix != prefix or rest == '#':
continue
yield rest, value
def parse_attr_list(source, prefix, sep='.'):
attrs = defaultdict(dict)
for compkey, value in _parse_prefix(source, prefix, sep):
idx, key = compkey.split(sep, 1)
attrs[idx][key] = value
return attrs.values()
def parse_dict(source, prefix, sep='.'):
return dict(_parse_prefix(source, prefix, sep))
def parse_list(source, prefix, sep='.'):
return [value for _, value in _parse_prefix(source, prefix, sep)]
def parse_bool(string_form):
token = string_form.lower()[0]
if token == 't':
return True
elif token == 'f':
return False
else:
raise ValueError('could not convert %r to a bool' % string_form)
@parses('triton_machine')
@calculate_mantl_vars
def triton_machine(resource, module_name):
raw_attrs = resource['primary']['attributes']
name = raw_attrs.get('name')
groups = []
attrs = {
'id': raw_attrs['id'],
'dataset': raw_attrs['dataset'],
'disk': raw_attrs['disk'],
'firewall_enabled': parse_bool(raw_attrs['firewall_enabled']),
'image': raw_attrs['image'],
'ips': parse_list(raw_attrs, 'ips'),
'memory': raw_attrs['memory'],
'name': raw_attrs['name'],
'networks': parse_list(raw_attrs, 'networks'),
'package': raw_attrs['package'],
'primary_ip': raw_attrs['primaryip'],
'root_authorized_keys': raw_attrs['root_authorized_keys'],
'state': raw_attrs['state'],
'tags': parse_dict(raw_attrs, 'tags'),
'type': raw_attrs['type'],
'user_data': raw_attrs['user_data'],
'user_script': raw_attrs['user_script'],
# ansible
'ansible_ssh_host': raw_attrs['primaryip'],
'ansible_ssh_port': 22,
'ansible_ssh_user': 'root', # it's "root" on Triton by default
# generic
'public_ipv4': raw_attrs['primaryip'],
'provider': 'triton',
}
# private IPv4
for ip in attrs['ips']:
if ip.startswith('10') or ip.startswith('192.168'): # private IPs
attrs['private_ipv4'] = ip
break
if 'private_ipv4' not in attrs:
attrs['private_ipv4'] = attrs['public_ipv4']
# attrs specific to Mantl
attrs.update({
'consul_dc': _clean_dc(attrs['tags'].get('dc', 'none')),
'role': attrs['tags'].get('role', 'none'),
'ansible_python_interpreter': attrs['tags'].get('python_bin', 'python')
})
# add groups based on attrs
groups.append('triton_image=' + attrs['image'])
groups.append('triton_package=' + attrs['package'])
groups.append('triton_state=' + attrs['state'])
groups.append('triton_firewall_enabled=%s' % attrs['firewall_enabled'])
groups.extend('triton_tags_%s=%s' % item
for item in attrs['tags'].items())
groups.extend('triton_network=' + network
for network in attrs['networks'])
# groups specific to Mantl
groups.append('role=' + attrs['role'])
groups.append('dc=' + attrs['consul_dc'])
return name, attrs, groups
@parses('digitalocean_droplet')
@calculate_mantl_vars
def digitalocean_host(resource, tfvars=None):
raw_attrs = resource['primary']['attributes']
name = raw_attrs['name']
groups = []
attrs = {
'id': raw_attrs['id'],
'image': raw_attrs['image'],
'ipv4_address': raw_attrs['ipv4_address'],
'locked': parse_bool(raw_attrs['locked']),
'metadata': json.loads(raw_attrs.get('user_data', '{}')),
'region': raw_attrs['region'],
'size': raw_attrs['size'],
'ssh_keys': parse_list(raw_attrs, 'ssh_keys'),
'status': raw_attrs['status'],
# ansible
'ansible_ssh_host': raw_attrs['ipv4_address'],
'ansible_ssh_port': 22,
'ansible_ssh_user': 'root', # it's always "root" on DO
# generic
'public_ipv4': raw_attrs['ipv4_address'],
'private_ipv4': raw_attrs.get('ipv4_address_private',
raw_attrs['ipv4_address']),
'provider': 'digitalocean',
}
# attrs specific to Mantl
attrs.update({
'consul_dc': _clean_dc(attrs['metadata'].get('dc', attrs['region'])),
'role': attrs['metadata'].get('role', 'none'),
'ansible_python_interpreter': attrs['metadata'].get('python_bin','python')
})
# add groups based on attrs
groups.append('do_image=' + attrs['image'])
groups.append('do_locked=%s' % attrs['locked'])
groups.append('do_region=' + attrs['region'])
groups.append('do_size=' + attrs['size'])
groups.append('do_status=' + attrs['status'])
groups.extend('do_metadata_%s=%s' % item
for item in attrs['metadata'].items())
# groups specific to Mantl
groups.append('role=' + attrs['role'])
groups.append('dc=' + attrs['consul_dc'])
return name, attrs, groups
@parses('softlayer_virtualserver')
@calculate_mantl_vars
def softlayer_host(resource, module_name):
raw_attrs = resource['primary']['attributes']
name = raw_attrs['name']
groups = []
attrs = {
'id': raw_attrs['id'],
'image': raw_attrs['image'],
'ipv4_address': raw_attrs['ipv4_address'],
'metadata': json.loads(raw_attrs.get('user_data', '{}')),
'region': raw_attrs['region'],
'ram': raw_attrs['ram'],
'cpu': raw_attrs['cpu'],
'ssh_keys': parse_list(raw_attrs, 'ssh_keys'),
'public_ipv4': raw_attrs['ipv4_address'],
'private_ipv4': raw_attrs['ipv4_address_private'],
'ansible_ssh_host': raw_attrs['ipv4_address'],
'ansible_ssh_port': 22,
'ansible_ssh_user': 'root',
'provider': 'softlayer',
}
# attrs specific to Mantl
attrs.update({
'consul_dc': _clean_dc(attrs['metadata'].get('dc', attrs['region'])),
'role': attrs['metadata'].get('role', 'none'),
'ansible_python_interpreter': attrs['metadata'].get('python_bin','python')
})
# groups specific to Mantl
groups.append('role=' + attrs['role'])
groups.append('dc=' + attrs['consul_dc'])
return name, attrs, groups
@parses('openstack_compute_instance_v2')
@calculate_mantl_vars
def openstack_host(resource, module_name):
raw_attrs = resource['primary']['attributes']
name = raw_attrs['name']
groups = []
attrs = {
'access_ip_v4': raw_attrs['access_ip_v4'],
'access_ip_v6': raw_attrs['access_ip_v6'],
'flavor': parse_dict(raw_attrs, 'flavor',
sep='_'),
'id': raw_attrs['id'],
'image': parse_dict(raw_attrs, 'image',
sep='_'),
'key_pair': raw_attrs['key_pair'],
'metadata': parse_dict(raw_attrs, 'metadata'),
'network': parse_attr_list(raw_attrs, 'network'),
'region': raw_attrs.get('region', ''),
'security_groups': parse_list(raw_attrs, 'security_groups'),
# ansible
'ansible_ssh_port': 22,
# workaround for an OpenStack bug where hosts have a different domain
# after they're restarted
'host_domain': 'novalocal',
'use_host_domain': True,
# generic
'public_ipv4': raw_attrs['access_ip_v4'],
'private_ipv4': raw_attrs['access_ip_v4'],
'provider': 'openstack',
}
if 'floating_ip' in raw_attrs:
attrs['private_ipv4'] = raw_attrs['network.0.fixed_ip_v4']
try:
attrs.update({
'ansible_ssh_host': raw_attrs['access_ip_v4'],
'publicly_routable': True,
})
except (KeyError, ValueError):
attrs.update({'ansible_ssh_host': '', 'publicly_routable': False})
# attrs specific to Ansible
if 'metadata.ssh_user' in raw_attrs:
attrs['ansible_ssh_user'] = raw_attrs['metadata.ssh_user']
# attrs specific to Mantl
attrs.update({
'consul_dc': _clean_dc(attrs['metadata'].get('dc', module_name)),
'role': attrs['metadata'].get('role', 'none'),
'ansible_python_interpreter': attrs['metadata'].get('python_bin','python')
})
# add groups based on attrs
groups.append('os_image=' + attrs['image']['name'])
groups.append('os_flavor=' + attrs['flavor']['name'])
groups.extend('os_metadata_%s=%s' % item
for item in attrs['metadata'].items())
groups.append('os_region=' + attrs['region'])
# groups specific to Mantl
groups.append('role=' + attrs['metadata'].get('role', 'none'))
groups.append('dc=' + attrs['consul_dc'])
# groups specific to kubespray
for group in attrs['metadata'].get('kubespray_groups', "").split(","):
groups.append(group)
return name, attrs, groups
@parses('aws_instance')
@calculate_mantl_vars
def aws_host(resource, module_name):
name = resource['primary']['attributes']['tags.Name']
raw_attrs = resource['primary']['attributes']
groups = []
attrs = {
'ami': raw_attrs['ami'],
'availability_zone': raw_attrs['availability_zone'],
'ebs_block_device': parse_attr_list(raw_attrs, 'ebs_block_device'),
'ebs_optimized': parse_bool(raw_attrs['ebs_optimized']),
'ephemeral_block_device': parse_attr_list(raw_attrs,
'ephemeral_block_device'),
'id': raw_attrs['id'],
'key_name': raw_attrs['key_name'],
'private': parse_dict(raw_attrs, 'private',
sep='_'),
'public': parse_dict(raw_attrs, 'public',
sep='_'),
'root_block_device': parse_attr_list(raw_attrs, 'root_block_device'),
'security_groups': parse_list(raw_attrs, 'security_groups'),
'subnet': parse_dict(raw_attrs, 'subnet',
sep='_'),
'tags': parse_dict(raw_attrs, 'tags'),
'tenancy': raw_attrs['tenancy'],
'vpc_security_group_ids': parse_list(raw_attrs,
'vpc_security_group_ids'),
# ansible-specific
'ansible_ssh_port': 22,
'ansible_ssh_host': raw_attrs['public_ip'],
# generic
'public_ipv4': raw_attrs['public_ip'],
'private_ipv4': raw_attrs['private_ip'],
'provider': 'aws',
}
# attrs specific to Ansible
if 'tags.sshUser' in raw_attrs:
attrs['ansible_ssh_user'] = raw_attrs['tags.sshUser']
if 'tags.sshPrivateIp' in raw_attrs:
attrs['ansible_ssh_host'] = raw_attrs['private_ip']
# attrs specific to Mantl
attrs.update({
'consul_dc': _clean_dc(attrs['tags'].get('dc', module_name)),
'role': attrs['tags'].get('role', 'none'),
'ansible_python_interpreter': attrs['tags'].get('python_bin','python')
})
# groups specific to Mantl
groups.extend(['aws_ami=' + attrs['ami'],
'aws_az=' + attrs['availability_zone'],
'aws_key_name=' + attrs['key_name'],
'aws_tenancy=' + attrs['tenancy']])
groups.extend('aws_tag_%s=%s' % item for item in attrs['tags'].items())
groups.extend('aws_vpc_security_group=' + group
for group in attrs['vpc_security_group_ids'])
groups.extend('aws_subnet_%s=%s' % subnet
for subnet in attrs['subnet'].items())
# groups specific to Mantl
groups.append('role=' + attrs['role'])
groups.append('dc=' + attrs['consul_dc'])
return name, attrs, groups
@parses('google_compute_instance')
@calculate_mantl_vars
def gce_host(resource, module_name):
name = resource['primary']['id']
raw_attrs = resource['primary']['attributes']
groups = []
# network interfaces
interfaces = parse_attr_list(raw_attrs, 'network_interface')
for interface in interfaces:
interface['access_config'] = parse_attr_list(interface,
'access_config')
for key in interface.keys():
if '.' in key:
del interface[key]
# general attrs
attrs = {
'can_ip_forward': raw_attrs['can_ip_forward'] == 'true',
'disks': parse_attr_list(raw_attrs, 'disk'),
'machine_type': raw_attrs['machine_type'],
'metadata': parse_dict(raw_attrs, 'metadata'),
'network': parse_attr_list(raw_attrs, 'network'),
'network_interface': interfaces,
'self_link': raw_attrs['self_link'],
'service_account': parse_attr_list(raw_attrs, 'service_account'),
'tags': parse_list(raw_attrs, 'tags'),
'zone': raw_attrs['zone'],
# ansible
'ansible_ssh_port': 22,
'provider': 'gce',
}
# attrs specific to Ansible
if 'metadata.ssh_user' in raw_attrs:
attrs['ansible_ssh_user'] = raw_attrs['metadata.ssh_user']
# attrs specific to Mantl
attrs.update({
'consul_dc': _clean_dc(attrs['metadata'].get('dc', module_name)),
'role': attrs['metadata'].get('role', 'none'),
'ansible_python_interpreter': attrs['metadata'].get('python_bin','python')
})
try:
attrs.update({
'ansible_ssh_host': interfaces[0]['access_config'][0]['nat_ip'] or interfaces[0]['access_config'][0]['assigned_nat_ip'],
'public_ipv4': interfaces[0]['access_config'][0]['nat_ip'] or interfaces[0]['access_config'][0]['assigned_nat_ip'],
'private_ipv4': interfaces[0]['address'],
'publicly_routable': True,
})
except (KeyError, ValueError):
attrs.update({'ansible_ssh_host': '', 'publicly_routable': False})
# add groups based on attrs
groups.extend('gce_image=' + disk['image'] for disk in attrs['disks'])
groups.append('gce_machine_type=' + attrs['machine_type'])
groups.extend('gce_metadata_%s=%s' % (key, value)
for (key, value) in attrs['metadata'].items()
if key not in set(['sshKeys']))
groups.extend('gce_tag=' + tag for tag in attrs['tags'])
groups.append('gce_zone=' + attrs['zone'])
if attrs['can_ip_forward']:
groups.append('gce_ip_forward')
if attrs['publicly_routable']:
groups.append('gce_publicly_routable')
# groups specific to Mantl
groups.append('role=' + attrs['metadata'].get('role', 'none'))
groups.append('dc=' + attrs['consul_dc'])
return name, attrs, groups
@parses('vsphere_virtual_machine')
@calculate_mantl_vars
def vsphere_host(resource, module_name):
raw_attrs = resource['primary']['attributes']
network_attrs = parse_dict(raw_attrs, 'network_interface')
network = parse_dict(network_attrs, '0')
ip_address = network.get('ipv4_address', network['ip_address'])
name = raw_attrs['name']
groups = []
attrs = {
'id': raw_attrs['id'],
'ip_address': ip_address,
'private_ipv4': ip_address,
'public_ipv4': ip_address,
'metadata': parse_dict(raw_attrs, 'custom_configuration_parameters'),
'ansible_ssh_port': 22,
'provider': 'vsphere',
}
try:
attrs.update({
'ansible_ssh_host': ip_address,
})
except (KeyError, ValueError):
attrs.update({'ansible_ssh_host': '', })
attrs.update({
'consul_dc': _clean_dc(attrs['metadata'].get('consul_dc', module_name)),
'role': attrs['metadata'].get('role', 'none'),
'ansible_python_interpreter': attrs['metadata'].get('python_bin','python')
})
# attrs specific to Ansible
if 'ssh_user' in attrs['metadata']:
attrs['ansible_ssh_user'] = attrs['metadata']['ssh_user']
groups.append('role=' + attrs['role'])
groups.append('dc=' + attrs['consul_dc'])
return name, attrs, groups
@parses('azure_instance')
@calculate_mantl_vars
def azure_host(resource, module_name):
name = resource['primary']['attributes']['name']
raw_attrs = resource['primary']['attributes']
groups = []
attrs = {
'automatic_updates': raw_attrs['automatic_updates'],
'description': raw_attrs['description'],
'hosted_service_name': raw_attrs['hosted_service_name'],
'id': raw_attrs['id'],
'image': raw_attrs['image'],
'ip_address': raw_attrs['ip_address'],
'location': raw_attrs['location'],
'name': raw_attrs['name'],
'reverse_dns': raw_attrs['reverse_dns'],
'security_group': raw_attrs['security_group'],
'size': raw_attrs['size'],
'ssh_key_thumbprint': raw_attrs['ssh_key_thumbprint'],
'subnet': raw_attrs['subnet'],
'username': raw_attrs['username'],
'vip_address': raw_attrs['vip_address'],
'virtual_network': raw_attrs['virtual_network'],
'endpoint': parse_attr_list(raw_attrs, 'endpoint'),
# ansible
'ansible_ssh_port': 22,
'ansible_ssh_user': raw_attrs['username'],
'ansible_ssh_host': raw_attrs['vip_address'],
}
# attrs specific to mantl
attrs.update({
'consul_dc': attrs['location'].lower().replace(" ", "-"),
'role': attrs['description']
})
# groups specific to mantl
groups.extend(['azure_image=' + attrs['image'],
'azure_location=' + attrs['location'].lower().replace(" ", "-"),
'azure_username=' + attrs['username'],
'azure_security_group=' + attrs['security_group']])
# groups specific to mantl
groups.append('role=' + attrs['role'])
groups.append('dc=' + attrs['consul_dc'])
return name, attrs, groups
@parses('clc_server')
@calculate_mantl_vars
def clc_server(resource, module_name):
raw_attrs = resource['primary']['attributes']
name = raw_attrs.get('id')
groups = []
md = parse_dict(raw_attrs, 'metadata')
attrs = {
'metadata': md,
'ansible_ssh_port': md.get('ssh_port', 22),
'ansible_ssh_user': md.get('ssh_user', 'root'),
'provider': 'clc',
'publicly_routable': False,
}
try:
attrs.update({
'public_ipv4': raw_attrs['public_ip_address'],
'private_ipv4': raw_attrs['private_ip_address'],
'ansible_ssh_host': raw_attrs['public_ip_address'],
'publicly_routable': True,
})
except (KeyError, ValueError):
attrs.update({
'ansible_ssh_host': raw_attrs['private_ip_address'],
'private_ipv4': raw_attrs['private_ip_address'],
})
attrs.update({
'consul_dc': _clean_dc(attrs['metadata'].get('dc', module_name)),
'role': attrs['metadata'].get('role', 'none'),
})
groups.append('role=' + attrs['role'])
groups.append('dc=' + attrs['consul_dc'])
return name, attrs, groups
## QUERY TYPES
def query_host(hosts, target):
for name, attrs, _ in hosts:
if name == target:
return attrs
return {}
def query_list(hosts):
groups = defaultdict(dict)
meta = {}
for name, attrs, hostgroups in hosts:
for group in set(hostgroups):
groups[group].setdefault('hosts', [])
groups[group]['hosts'].append(name)
meta[name] = attrs
groups['_meta'] = {'hostvars': meta}
return groups
def query_hostfile(hosts):
out = ['## begin hosts generated by terraform.py ##']
out.extend(
'{}\t{}'.format(attrs['ansible_ssh_host'].ljust(16), name)
for name, attrs, _ in hosts
)
out.append('## end hosts generated by terraform.py ##')
return '\n'.join(out)
def main():
parser = argparse.ArgumentParser(
__file__, __doc__,
formatter_class=argparse.ArgumentDefaultsHelpFormatter, )
modes = parser.add_mutually_exclusive_group(required=True)
modes.add_argument('--list',
action='store_true',
help='list all variables')
modes.add_argument('--host', help='list variables for a single host')
modes.add_argument('--version',
action='store_true',
help='print version and exit')
modes.add_argument('--hostfile',
action='store_true',
help='print hosts as a /etc/hosts snippet')
parser.add_argument('--pretty',
action='store_true',
help='pretty-print output JSON')
parser.add_argument('--nometa',
action='store_true',
help='with --list, exclude hostvars')
default_root = os.environ.get('TERRAFORM_STATE_ROOT',
os.path.abspath(os.path.join(os.path.dirname(__file__),
'..', '..', )))
parser.add_argument('--root',
default=default_root,
help='custom root to search for `.tfstate`s in')
args = parser.parse_args()
if args.version:
print('%s %s' % (__file__, VERSION))
parser.exit()
hosts = iterhosts(iterresources(tfstates(args.root)))
if args.list:
output = query_list(hosts)
if args.nometa:
del output['_meta']
print(json.dumps(output, indent=4 if args.pretty else None))
elif args.host:
output = query_host(hosts, args.host)
print(json.dumps(output, indent=4 if args.pretty else None))
elif args.hostfile:
output = query_hostfile(hosts)
print(output)
parser.exit()
if __name__ == '__main__':
main()
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# Kubernetes version
kube_version: "v1.2.4"
# Switch network to calico
kube_network_plugin: "calico"
# Kube-proxy should be iptables for calico
kube_proxy_mode: "iptables"
# Use non-tmpfs tmp dir
local_release_dir: "/var/tmp/releases"
# Upstream DNS servers with mirantis.net
upstream_dns_servers:
- 8.8.8.8
- 8.8.4.4
- /mirantis.net/172.18.32.6
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#!/bin/bash
INVENTORY="nodes_to_inv.py"
echo "Installing requirements on nodes..."
ansible-playbook -i $INVENTORY playbooks/bootstrap-nodes.yaml
echo "Running deployment..."
ansible-playbook -i $INVENTORY /root/kargo/cluster.yml -e @custom.yaml
deploy_res=$?
if [ "$deploy_res" -eq "0" ]; then
echo "Setting up kubedns..."
ansible-playbook -i $INVENTORY playbooks/kubedns.yaml
echo "Setting up kubedashboard..."
ansible-playbook -i $INVENTORY playbooks/kubedashboard.yaml
echo "Setting up ip route work-around for DNS clusterIP availability..."
ansible-playbook -i $INVENTORY playbooks/ipro_for_cluster_ips.yaml
fi
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#!/bin/bash
if [ -n "$1" ] ; then
NS="--namespace=$1"
fi
kubectl get nodes || exit 1
echo "Installing netchecker server"
git clone https://github.com/adidenko/netchecker-server
pushd netchecker-server
pushd docker
docker build -t 127.0.0.1:31500/netchecker/server:latest .
docker push 127.0.0.1:31500/netchecker/server:latest
popd
kubectl create -f netchecker-server_pod.yaml $NS
kubectl create -f netchecker-server_svc.yaml $NS
popd
echo "Installing netchecker agents"
git clone https://github.com/adidenko/netchecker-agent
pushd netchecker-agent
pushd docker
docker build -t 127.0.0.1:31500/netchecker/agent:latest .
docker push 127.0.0.1:31500/netchecker/agent:latest
popd
kubectl get nodes | grep Ready | awk '{print $1}' | xargs -I {} kubectl label nodes {} netchecker=agent
NUMNODES=`kubectl get nodes --show-labels | grep Ready | grep netchecker=agent | wc -l`
sed -e "s/replicas:.*/replicas: $NUMNODES/g" -i netchecker-agent_rc.yaml
kubectl create -f netchecker-agent_rc.yaml $NS
popd
echo "DONE"
echo
echo "use the following command to check agents:"
echo "curl -s -X GET 'http://localhost:31081/api/v1/agents/' | python -mjson.tool"
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Ansible variables
===============
Inventory
-------------
The inventory is composed of 3 groups:
* **kube-node** : list of kubernetes nodes where the pods will run.
* **kube-master** : list of servers where kubernetes master components (apiserver, scheduler, controller) will run.
Note: if you want the server to act both as master and node the server must be defined on both groups _kube-master_ and _kube-node_
* **etcd**: list of server to compose the etcd server. you should have at least 3 servers for failover purposes.
Below is a complete inventory example:
```
## Configure 'ip' variable to bind kubernetes services on a
## different ip than the default iface
node1 ansible_ssh_host=95.54.0.12 # ip=10.3.0.1
node2 ansible_ssh_host=95.54.0.13 # ip=10.3.0.2
node3 ansible_ssh_host=95.54.0.14 # ip=10.3.0.3
node4 ansible_ssh_host=95.54.0.15 # ip=10.3.0.4
node5 ansible_ssh_host=95.54.0.16 # ip=10.3.0.5
node6 ansible_ssh_host=95.54.0.17 # ip=10.3.0.6
[kube-master]
node1
node2
[etcd]
node1
node2
node3
[kube-node]
node2
node3
node4
node5
node6
[k8s-cluster:children]
kube-node
kube-master
etcd
```
Group vars
--------------
The main variables to change are located in the directory ```inventory/group_vars/all.yml```.
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AWS
===============
To deploy kubespray on [AWS](https://aws.amazon.com/) uncomment the `cloud_provider` option in `group_vars/all.yml` and set it to `'aws'`.
Prior to creating your instances, you **must** ensure that you have created IAM roles and policies for both "kubernetes-master" and "kubernetes-node". You can find the IAM policies [here](https://github.com/kubernetes/kubernetes/tree/master/cluster/aws/templates/iam). See the [IAM Documentation](https://aws.amazon.com/documentation/iam/) if guidance is needed on how to set these up. When you bring your instances online, associate them with the respective IAM role. Nodes that are only to be used for Etcd do not need a role.
The next step is to make sure the hostnames in your `inventory` file are identical to your internal hostnames in AWS. This may look something like `ip-111-222-333-444.us-west-2.compute.internal`. You can then specify how Ansible connects to these instances with `ansible_ssh_host` and `ansible_ssh_user`.
You can now create your cluster!
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Calico
===========
Check if the calico-node container is running
```
docker ps | grep calico
```
The **calicoctl** command allows to check the status of the network workloads.
* Check the status of Calico nodes
```
calicoctl status
```
* Show the configured network subnet for containers
```
calicoctl pool show
```
* Show the workloads (ip addresses of containers and their located)
```
calicoctl endpoint show --detail
```
##### Optionnal : BGP Peering with border routers
In some cases you may want to route the pods subnet and so NAT is not needed on the nodes.
For instance if you have a cluster spread on different locations and you want your pods to talk each other no matter where they are located.
The following variables need to be set:
`peer_with_router` to enable the peering with the datacenter's border router (default value: false).
you'll need to edit the inventory and add a and a hostvar `local_as` by node.
```
node1 ansible_ssh_host=95.54.0.12 local_as=xxxxxx
```
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Cloud providers
==============
#### Provisioning
You can use kargo-cli to start new instances on cloud providers
here's an example
```
kargo [aws|gce] --nodes 2 --etcd 3 --cluster-name test-smana
```
#### Deploy kubernetes
With kargo-cli
```
kargo deploy [--aws|--gce] -u admin
```
Or ansible-playbook command
```
ansible-playbook -u smana -e ansible_ssh_user=admin -e cloud_provider=[aws|gce] -b --become-user=root -i inventory/single.cfg cluster.yml
```
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CoreOS bootstrap
===============
Example with **kargo-cli**:
```
kargo deploy --gce --coreos
```
Or with Ansible:
Before running the cluster playbook you must satisfy the following requirements:
* On each CoreOS nodes a writable directory **/opt/bin** (~400M disk space)
* Uncomment the variable **ansible\_python\_interpreter** in the file `inventory/group_vars/all.yml`
* run the Python bootstrap playbook
```
ansible-playbook -u smana -e ansible_ssh_user=smana -b --become-user=root -i inventory/inventory.cfg coreos-bootstrap.yml
```
Then you can proceed to [cluster deployment](#run-deployment)
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K8s DNS stack by Kargo
======================
Kargo configures a [Kubernetes DNS](http://kubernetes.io/docs/admin/dns/)
[cluster add-on](http://releases.k8s.io/master/cluster/addons/README.md)
to serve as an authoritative DNS server for a given ``dns_domain`` and its
``svc, default.svc`` default subdomains (a total of ``ndots: 5`` max levels).
Note, additional search (sub)domains may be defined in the ``searchdomains``
and ``ndots`` vars. And additional recursive DNS resolvers in the `` upstream_dns_servers``,
``nameservers`` vars. Intranet DNS resolvers should be specified in the first
place, followed by external resolvers, for example:
```
skip_dnsmasq: true
nameservers: [8.8.8.8]
upstream_dns_servers: [172.18.32.6]
```
or
```
skip_dnsmasq: false
upstream_dns_servers: [172.18.32.6, 172.18.32.7, 8.8.8.8, 8.8.8.4]
```
The vars are explained below as well.
DNS configuration details
-------------------------
Here is an approximate picture of how DNS things working and
being configured by Kargo ansible playbooks:
![Image](figures/dns.jpeg?raw=true)
Note that an additional dnsmasq daemon set is installed by Kargo
by default. Kubelet will configure DNS base of all pods to use the
given dnsmasq cluster IP, which is defined via the ``dns_server`` var.
The dnsmasq forwards requests for a given cluster ``dns_domain`` to
Kubedns's SkyDns service. The SkyDns server is configured to be an
authoritative DNS server for the given cluser domain (and its subdomains
up to ``ndots:5`` depth). Note: you should scale its replication controller
up, if SkyDns chokes. These two layered DNS forwarders provide HA for the
DNS cluster IP endpoint, which is a critical moving part for Kubernetes apps.
Nameservers are as well configured in the hosts' ``/etc/resolv.conf`` files,
as the given DNS cluster IP merged with ``nameservers`` values. While the
DNS cluster IP merged with the ``upstream_dns_servers`` defines additional
nameservers for the aforementioned nsmasq daemon set running on all hosts.
This mitigates existing Linux limitation of max 3 nameservers in the
``/etc/resolv.conf`` and also brings an additional caching layer for the
clustered DNS services.
You can skip the dnsmasq daemon set install steps by setting the
``skip_dnsmasq: true``. This may be the case, if you're fine with
the nameservers limitation. Sadly, there is no way to work around the
search domain limitations of a 256 chars and 6 domains. Thus, you can
use the ``searchdomains`` var to define no more than a three custom domains.
Remaining three slots are reserved for K8s cluster default subdomains.
When dnsmasq skipped, Kargo redefines the DNS cluster IP to point directly
to SkyDns cluster IP ``skydns_server`` and configures Kubelet's
``--dns_cluster`` to use that IP as well. While this greatly simplifies
things, it comes by the price of limited nameservers though. As you know now,
the DNS cluster IP takes a slot in the ``/etc/resolv.conf``, thus you can
specify no more than a two nameservers for infra and/or external use.
Those may be specified either in ``nameservers`` or ``upstream_dns_servers``
and will be merged together with the ``skydns_server`` IP into the hots'
``/etc/resolv.conf``.
Limitations
-----------
* Kargo has yet ways to configure Kubedns addon to forward requests SkyDns can
not answer with authority to arbitrary recursive resolvers. This task is left
for future. See [official SkyDns docs](https://github.com/skynetservices/skydns)
for details.
* There is
[no way to specify a custom value](https://github.com/kubernetes/kubernetes/issues/33554)
for the SkyDNS ``ndots`` param via an
[option for KubeDNS](https://github.com/kubernetes/kubernetes/blob/master/cmd/kube-dns/app/options/options.go)
add-on, while SkyDNS supports it though. Thus, DNS SRV records may not work
as expected as they require the ``ndots:7``.
* the ``searchdomains`` have a limitation of a 6 names and 256 chars
length. Due to default ``svc, default.svc`` subdomains, the actual
limits are a 4 names and 239 chars respectively.
* the ``nameservers`` have a limitation of a 3 servers, although there
is a way to mitigate that with the ``upstream_dns_servers``,
see below. Anyway, the ``nameservers`` can take no more than a two
custom DNS servers because of one slot is reserved for a Kubernetes
cluster needs.
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Flannel
==============
* Flannel configuration file should have been created there
```
cat /run/flannel/subnet.env
FLANNEL_NETWORK=10.233.0.0/18
FLANNEL_SUBNET=10.233.16.1/24
FLANNEL_MTU=1450
FLANNEL_IPMASQ=false
```
* Check if the network interface has been created
```
ip a show dev flannel.1
4: flannel.1: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1450 qdisc noqueue state UNKNOWN group default
link/ether e2:f3:a7:0f:bf:cb brd ff:ff:ff:ff:ff:ff
inet 10.233.16.0/18 scope global flannel.1
valid_lft forever preferred_lft forever
inet6 fe80::e0f3:a7ff:fe0f:bfcb/64 scope link
valid_lft forever preferred_lft forever
```
* Docker must be configured with a bridge ip in the flannel subnet.
```
ps aux | grep docker
root 20196 1.7 2.7 1260616 56840 ? Ssl 10:18 0:07 /usr/bin/docker daemon --bip=10.233.16.1/24 --mtu=1450
```
* Try to run a container and check its ip address
```
kubectl run test --image=busybox --command -- tail -f /dev/null
replicationcontroller "test" created
kubectl describe po test-34ozs | grep ^IP
IP: 10.233.16.2
```
```
kubectl exec test-34ozs -- ip a show dev eth0
8: eth0@if9: <BROADCAST,MULTICAST,UP,LOWER_UP,M-DOWN> mtu 1450 qdisc noqueue
link/ether 02:42:0a:e9:2b:03 brd ff:ff:ff:ff:ff:ff
inet 10.233.16.2/24 scope global eth0
valid_lft forever preferred_lft forever
inet6 fe80::42:aff:fee9:2b03/64 scope link tentative flags 08
valid_lft forever preferred_lft forever
```
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Getting started
===============
The easiest way to run the deployement is to use the **kargo-cli** tool.
A complete documentation can be found in its [github repository](https://github.com/kubespray/kargo-cli).
Here is a simple example on AWS:
* Create instances and generate the inventory
```
kargo aws --instances 3
```
* Run the deployment
```
kargo deploy --aws -u centos -n calico
```
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HA endpoints for K8s
====================
The following components require a highly available endpoints:
* etcd cluster,
* kube-apiserver service instances.
The former provides the
[etcd-proxy](https://coreos.com/etcd/docs/latest/proxy.html) service to access
the cluster members in HA fashion.
The latter relies on a 3rd side reverse proxies, like Nginx or HAProxy, to
achieve the same goal.
Etcd
----
Etcd proxies are deployed on each node in the `k8s-cluster` group. A proxy is
a separate etcd process. It has a `localhost:2379` frontend and all of the etcd
cluster members as backends. Note that the `access_ip` is used as the backend
IP, if specified. Frontend endpoints cannot be accessed externally as they are
bound to a localhost only.
The `etcd_access_endpoint` fact provides an access pattern for clients. And the
`etcd_multiaccess` (defaults to `false`) group var controlls that behavior.
When enabled, it makes deployed components to access the etcd cluster members
directly: `http://ip1:2379, http://ip2:2379,...`. This mode assumes the clients
do a loadbalancing and handle HA for connections. Note, a pod definition of a
flannel networking plugin always uses a single `--etcd-server` endpoint!
Kube-apiserver
--------------
K8s components require a loadbalancer to access the apiservers via a reverse
proxy. Kargo includes support for an nginx-based proxy that resides on each
non-master Kubernetes node. This is referred to as localhost loadbalancing. It
is less efficient than a dedicated load balancer because it creates extra
health checks on the Kubernetes apiserver, but is more practical for scenarios
where an external LB or virtual IP management is inconvenient.
This option is configured by the variable `loadbalancer_apiserver_localhost`.
you will need to configure your own loadbalancer to achieve HA. Note that
deploying a loadbalancer is up to a user and is not covered by ansible roles
in Kargo. By default, it only configures a non-HA endpoint, which points to
the `access_ip` or IP address of the first server node in the `kube-master`
group. It can also configure clients to use endpoints for a given loadbalancer
type. The following diagram shows how traffic to the apiserver is directed.
![Image](figures/loadbalancer_localhost.png?raw=true)
..note:: Kubernetes master nodes still use insecure localhost access because
there are bugs in Kubernetes <1.5.0 in using TLS auth on master role
services.
A user may opt to use an external loadbalancer (LB) instead. An external LB
provides access for external clients, while the internal LB accepts client
connections only to the localhost, similarly to the etcd-proxy HA endpoints.
Given a frontend `VIP` address and `IP1, IP2` addresses of backends, here is
an example configuration for a HAProxy service acting as an external LB:
```
listen kubernetes-apiserver-https
bind <VIP>:8383
option ssl-hello-chk
mode tcp
timeout client 3h
timeout server 3h
server master1 <IP1>:443
server master2 <IP2>:443
balance roundrobin
```
And the corresponding example global vars config:
```
apiserver_loadbalancer_domain_name: "lb-apiserver.kubernetes.local"
loadbalancer_apiserver:
address: <VIP>
port: 8383
```
This domain name, or default "lb-apiserver.kubernetes.local", will be inserted
into the `/etc/hosts` file of all servers in the `k8s-cluster` group. Note that
the HAProxy service should as well be HA and requires a VIP management, which
is out of scope of this doc.
Specifying an external LB overrides any internal localhost LB configuration.
Note that for this example, the `kubernetes-apiserver-http` endpoint
has backends receiving unencrypted traffic, which may be a security issue
when interconnecting different nodes, or maybe not, if those belong to the
isolated management network without external access.
In order to achieve HA for HAProxy instances, those must be running on the
each node in the `k8s-cluster` group as well, but require no VIP, thus
no VIP management.
Access endpoints are evaluated automagically, as the following:
| Endpoint type | kube-master | non-master |
|------------------------------|---------------|---------------------|
| Local LB | http://lc:p | http://lc:sp |
| External LB, no internal | http://lc:p | https://lb:lp |
| No ext/int LB (default) | http://lc:p | https://m[0].aip:sp |
Where:
* `m[0]` - the first node in the `kube-master` group;
* `lb` - LB FQDN, `apiserver_loadbalancer_domain_name`;
* `lc` - localhost;
* `p` - insecure port, `kube_apiserver_insecure_port`
* `sp` - secure port, `kube_apiserver_port`;
* `lp` - LB port, `loadbalancer_apiserver.port`, defers to the secure port;
* `ip` - the node IP, defers to the ansible IP;
* `aip` - `access_ip`, defers to the ip.
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Large deployments of K8s
========================
For a large scaled deployments, consider the following configuration changes:
* Tune [ansible settings](http://docs.ansible.com/ansible/intro_configuration.html)
for `forks` and `timeout` vars to fit large numbers of nodes being deployed.
* Override containers' `foo_image_repo` vars to point to intranet registry.
* Override the ``download_run_once: true`` to download binaries and container
images only once then push to nodes in batches.
* Adjust the `retry_stagger` global var as appropriate. It should provide sane
load on a delegate (the first K8s master node) then retrying failed
push or download operations.
For example, when deploying 200 nodes, you may want to run ansible with
``--forks=50``, ``--timeout=600`` and define the ``retry_stagger: 60``.
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OpenStack
===============
To deploy kubespray on [OpenStack](https://www.openstack.org/) uncomment the `cloud_provider` option in `group_vars/all.yml` and set it to `'openstack'`.
After that make sure to source in your OpenStack credentials like you would do when using `nova-client` by using `source path/to/your/openstack-rc`.
The next step is to make sure the hostnames in your `inventory` file are identical to your instance names in OpenStack.
Otherwise [cinder](https://wiki.openstack.org/wiki/Cinder) won't work as expected.
Unless you are using calico you can now run the playbook.
**Additional step needed when using calico:**
Calico does not encapsulate all packages with the hosts ip addresses. Instead the packages will be routed with the PODs ip addresses directly.
OpenStack will filter and drop all packages from ips it does not know to prevent spoofing.
In order to make calico work on OpenStack you will need to tell OpenStack to allow calicos packages by allowing the network it uses.
First you will need the ids of your OpenStack instances that will run kubernetes:
nova list --tenant Your-Tenant
+--------------------------------------+--------+----------------------------------+--------+-------------+
| ID | Name | Tenant ID | Status | Power State |
+--------------------------------------+--------+----------------------------------+--------+-------------+
| e1f48aad-df96-4bce-bf61-62ae12bf3f95 | k8s-1 | fba478440cb2444a9e5cf03717eb5d6f | ACTIVE | Running |
| 725cd548-6ea3-426b-baaa-e7306d3c8052 | k8s-2 | fba478440cb2444a9e5cf03717eb5d6f | ACTIVE | Running |
Then you can use the instance ids to find the connected [neutron](https://wiki.openstack.org/wiki/Neutron) ports:
neutron port-list -c id -c device_id
+--------------------------------------+--------------------------------------+
| id | device_id |
+--------------------------------------+--------------------------------------+
| 5662a4e0-e646-47f0-bf88-d80fbd2d99ef | e1f48aad-df96-4bce-bf61-62ae12bf3f95 |
| e5ae2045-a1e1-4e99-9aac-4353889449a7 | 725cd548-6ea3-426b-baaa-e7306d3c8052 |
Given the port ids on the left, you can set the `allowed_address_pairs` in neutron:
# allow kube_service_addresses network
neutron port-update 5662a4e0-e646-47f0-bf88-d80fbd2d99ef --allowed_address_pairs list=true type=dict ip_address=10.233.0.0/18
neutron port-update e5ae2045-a1e1-4e99-9aac-4353889449a7 --allowed_address_pairs list=true type=dict ip_address=10.233.0.0/18
# allow kube_pods_subnet network
neutron port-update 5662a4e0-e646-47f0-bf88-d80fbd2d99ef --allowed_address_pairs list=true type=dict ip_address=10.233.64.0/18
neutron port-update e5ae2045-a1e1-4e99-9aac-4353889449a7 --allowed_address_pairs list=true type=dict ip_address=10.233.64.0/18
Now you can finally run the playbook.
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Kargo's roadmap
=================
### Self deployment (pull-mode) [#320](https://github.com/kubespray/kargo/issues/320)
- the playbook would install and configure docker/rkt and the etcd cluster
- the following data would be inserted into etcd: certs,tokens,users,inventory,group_vars.
- a "kubespray" container would be deployed (kargo-cli, ansible-playbook, kpm)
- to be discussed, a way to provide the inventory
- **self deployment** of the node from inside a container [#321](https://github.com/kubespray/kargo/issues/321)
### Provisionning and cloud providers
- Terraform to provision instances on **GCE, AWS, Openstack, Digital Ocean, Azure**
- On AWS autoscaling, multi AZ
- On Azure autoscaling, create loadbalancer [#297](https://github.com/kubespray/kargo/issues/297)
- On GCE be able to create a loadbalancer automatically (IAM ?) [#280](https://github.com/kubespray/kargo/issues/280)
- **TLS boostrap** support for kubelet [#234](https://github.com/kubespray/kargo/issues/234)
(related issues: https://github.com/kubernetes/kubernetes/pull/20439 <br>
https://github.com/kubernetes/kubernetes/issues/18112)
### Tests
- Run kubernetes e2e tests
- migrate to jenkins
(a test is currently a deployment on a 3 node cluste, testing k8s api, ping between 2 pods)
- Full tests on GCE per day (All OS's, all network plugins)
- trigger a single test per pull request
- single test with the Ansible version n-1 per day
- Test idempotency on on single OS but for all network plugins/container engines
- single test on AWS per day
- test different achitectures :
- 3 instances, 3 are members of the etcd cluster, 2 of them acting as master and node, 1 as node
- 5 instances, 3 are etcd and nodes, 2 are masters only
- 7 instances, 3 etcd only, 2 masters, 2 nodes
- test scale up cluster: +1 etcd, +1 master, +1 node
### Lifecycle
- Drain worker node when upgrading k8s components in a worker node. [#154](https://github.com/kubespray/kargo/issues/154)
- Drain worker node when shutting down/deleting an instance
### Networking
- romana.io support [#160](https://github.com/kubespray/kargo/issues/160)
- Configure network policy for Calico. [#159](https://github.com/kubespray/kargo/issues/159)
- Opencontrail
- Canal
### High availability
- (to be discussed) option to set a loadbalancer for the apiservers like ucarp/packemaker/keepalived
While waiting for the issue [kubernetes/kubernetes#18174](https://github.com/kubernetes/kubernetes/issues/18174) to be fixed.
### Kargo-cli
- Delete instances
- `kargo vagrant` to setup a test cluster locally
- `kargo azure` for Microsoft Azure support
- switch to Terraform instead of Ansible for provisionning
- update $HOME/.kube/config when a cluster is deployed. Optionally switch to this context
### Kargo API
- Perform all actions through an **API**
- Store inventories / configurations of mulltiple clusters
- make sure that state of cluster is completely saved in no more than one config file beyond hosts inventory
### Addons (with kpm)
Include optionals deployments to init the cluster:
##### Monitoring
- Heapster / Grafana ....
- **Prometheus**
##### Others
##### Dashboards:
- kubernetes-dashboard
- Fabric8
- Tectonic
- Cockpit
##### Paas like
- Openshift Origin
- Openstack
- Deis Workflow
### Others
- remove nodes (adding is already supported)
- being able to choose any k8s version (almost done)
- **rkt** support [#59](https://github.com/kubespray/kargo/issues/59)
- Review documentation (split in categories)
- **consul** -> if officialy supported by k8s
- flex volumes options (e.g. **torrus** support) [#312](https://github.com/kubespray/kargo/issues/312)
- Clusters federation option (aka **ubernetes**) [#329](https://github.com/kubespray/kargo/issues/329)
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Vagrant Install
=================
Assuming you have Vagrant (1.8+) installed with virtualbox (it may work
with vmware, but is untested) you should be able to launch a 3 node
Kubernetes cluster by simply running `$ vagrant up`.<br />
This will spin up 3 VMs and install kubernetes on them. Once they are
completed you can connect to any of them by running <br />
`$ vagrant ssh k8s-0[1..3]`.
```
$ vagrant up
Bringing machine 'k8s-01' up with 'virtualbox' provider...
Bringing machine 'k8s-02' up with 'virtualbox' provider...
Bringing machine 'k8s-03' up with 'virtualbox' provider...
==> k8s-01: Box 'bento/ubuntu-14.04' could not be found. Attempting to find and install...
...
...
k8s-03: Running ansible-playbook...
PLAY [k8s-cluster] *************************************************************
TASK [setup] *******************************************************************
ok: [k8s-03]
ok: [k8s-01]
ok: [k8s-02]
...
...
PLAY RECAP *********************************************************************
k8s-01 : ok=157 changed=66 unreachable=0 failed=0
k8s-02 : ok=137 changed=59 unreachable=0 failed=0
k8s-03 : ok=86 changed=51 unreachable=0 failed=0
$ vagrant ssh k8s-01
vagrant@k8s-01:~$ kubectl get nodes
NAME STATUS AGE
k8s-01 Ready 45s
k8s-02 Ready 45s
k8s-03 Ready 45s
```
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CCP examples
============
Some examples for Openstack CCP.
Expose Horizon
==============
* Get nodePort of Horizon service:
```bash
echo $(kubectl --namespace=openstack get svc/horizon -o go-template='{{(index .spec.ports 0).nodePort}}')
```
* NAT on your router/jump-box to any k8s minion public IP and nodePort to provide external access:
```bash
iptables -t nat -I PREROUTING -p tcp --dport 8080 -j DNAT --to-destination 10.210.0.12:32643
iptables -t nat -I POSTROUTING -d 10.210.0.12 ! -s 10.210.0.0/24 -j MASQUERADE
iptables -I FORWARD -d 10.210.0.12 -j ACCEPT
```
Where `10.210.0.12` is IP of one of your k8s minions and `32643` is nodePort of Horizon service.
* You can do the same for novnc:
```bash
echo $(kubectl --namespace=openstack get svc/nova-novncproxy -o go-template='{{(index .spec.ports 0).nodePort}}')
```
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# This script should be executed inside k8s:
# docker run -t -i 127.0.0.1:31500/mcp/nova-base /bin/bash
export OS_USERNAME=admin
export OS_PASSWORD=password
export OS_TENANT_NAME=admin
export OS_REGION_NAME=RegionOne
export OS_AUTH_URL=http://keystone:35357
# Key
nova keypair-add test > test.pem
chmod 600 test.pem
# Flavor
nova flavor-create demo --is-public true auto 128 2 1
# Image
curl -O http://download.cirros-cloud.net/0.3.4/cirros-0.3.4-x86_64-disk.img
glance image-create --name cirros --disk-format qcow2 --container-format bare --file cirros-0.3.4-x86_64-disk.img
# Aggregates
node2=`openstack hypervisor list | grep -o '[a-z]\+-k8s-02'`
node3=`openstack hypervisor list | grep -o '[a-z]\+-k8s-03'`
nova aggregate-create n2 n2
nova aggregate-add-host n2 $node2
nova aggregate-create n3 n3
nova aggregate-add-host n3 $node3
# Network
neutron net-create net1 --provider:network-type vxlan
neutron subnet-create net1 172.20.0.0/24 --name subnet1
# Instances
net_id=`neutron net-list | grep net1 | awk '{print $2}'`
nova boot ti02 --image cirros --flavor demo --nic net-id=$net_id --key-name test --availability-zone n2
nova boot ti03 --image cirros --flavor demo --nic net-id=$net_id --key-name test --availability-zone n3
@@ -0,0 +1,45 @@
Examples how to expose k8s services
===================================
Exposing dashboard via frontend and externalIPs
-----------------------------------------------
* Edit `kubernetes-dashboard.yaml` and update `externalIPs` to the list of external IPs of your k8s minions
* Run:
```bash
kubectl create -f kubernetes-dashboard.yaml --namespace=kube-system
```
* Access:
```bash
curl $ANY_MINION_EXTERNAL_IP:9090
```
Exposing dashboard via nodePort
-------------------------------
* Get nodePort of the service:
```bash
echo $(kubectl --namespace=kube-system get svc/kubernetes-dashboard -o go-template='{{(index .spec.ports 0).nodePort}}')
```
* NAT on your router/jump-box to any k8s minion public IP and nodePort to provide external access:
```bash
iptables -t nat -I PREROUTING -p tcp --dport 9090 -j DNAT --to-destination 10.210.0.12:32005
iptables -t nat -I POSTROUTING -d 10.210.0.12 ! -s 10.210.0.0/24 -j MASQUERADE
iptables -I FORWARD -d 10.210.0.12 -j ACCEPT
```
Where `10.210.0.12` is public IP of one of your k8s minions and `32005` is nodePort of `kubernetes-dashboard` service.
* Access:
```bash
curl 10.210.0.12:9090
```
@@ -0,0 +1,22 @@
apiVersion: v1
kind: Service
metadata:
name: kubedash-frontend
labels:
app: kubedash-frontend
tier: frontend
spec:
externalIPs:
- 10.210.0.12
- 10.210.0.13
- 10.210.0.14
- 10.210.0.15
- 10.210.0.16
- 10.210.0.17
ports:
- name: http
port: 8289
protocol: TCP
targetPort: 8289
selector:
name: kubedash
@@ -0,0 +1,22 @@
apiVersion: v1
kind: Service
metadata:
name: dashboard-frontend
labels:
app: dashboard-frontend
tier: frontend
spec:
externalIPs:
- 10.210.0.12
- 10.210.0.13
- 10.210.0.14
- 10.210.0.15
- 10.210.0.16
- 10.210.0.17
ports:
- name: http
port: 9090
protocol: TCP
targetPort: 9090
selector:
app: kubernetes-dashboard
@@ -0,0 +1,18 @@
Nginx example with external IPs
===============================
* Edit `nginx-frontend.yaml` and update `externalIPs` to the list of external IPs of your k8s minions
* Deploy:
```bash
kubectl create -f nginx-backends.yaml
kubectl create -f nginx-frontend.yaml
```
* Check:
```bash
curl $ANY_MINION_EXTERNAL_IP
```
@@ -0,0 +1,24 @@
apiVersion: extensions/v1beta1
kind: Deployment
metadata:
name: nginx-backend
spec:
replicas: 3
template:
metadata:
labels:
app: nginx-backend
tier: backend
spec:
containers:
- name: nginx
image: nginx
resources:
requests:
cpu: 100m
memory: 100Mi
env:
- name: GET_HOSTS_FROM
value: dns
ports:
- containerPort: 80
@@ -0,0 +1,22 @@
apiVersion: v1
kind: Service
metadata:
name: nginx-frontend
labels:
app: nginx-frontend
tier: frontend
spec:
externalIPs:
- 10.210.0.12
- 10.210.0.13
- 10.210.0.14
- 10.210.0.15
- 10.210.0.16
- 10.210.0.17
ports:
- name: http
port: 80
protocol: TCP
targetPort: 80
selector:
app: nginx-backend
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# Valid bootstrap options (required): xenial, coreos, none
bootstrap_os: none
# Directory where the binaries will be installed
bin_dir: /usr/local/bin
# Where the binaries will be downloaded.
# Note: ensure that you've enough disk space (about 1G)
local_release_dir: "/tmp/releases"
# Random shifts for retrying failed ops like pushing/downloading
retry_stagger: 5
# Uncomment this line for CoreOS only.
# Directory where python binary is installed
# ansible_python_interpreter: "/opt/bin/python"
# This is the group that the cert creation scripts chgrp the
# cert files to. Not really changable...
kube_cert_group: kube-cert
# Cluster Loglevel configuration
kube_log_level: 2
# Users to create for basic auth in Kubernetes API via HTTP
kube_api_pwd: "changeme"
kube_users:
kube:
pass: "{{kube_api_pwd}}"
role: admin
root:
pass: "changeme"
role: admin
# Kubernetes cluster name, also will be used as DNS domain
cluster_name: cluster.local
# Subdomains of DNS domain to be resolved via /etc/resolv.conf
ndots: 5
# For some environments, each node has a pubilcally accessible
# address and an address it should bind services to. These are
# really inventory level variables, but described here for consistency.
#
# When advertising access, the access_ip will be used, but will defer to
# ip and then the default ansible ip when unspecified.
#
# When binding to restrict access, the ip variable will be used, but will
# defer to the default ansible ip when unspecified.
#
# The ip variable is used for specific address binding, e.g. listen address
# for etcd. This is use to help with environments like Vagrant or multi-nic
# systems where one address should be preferred over another.
# ip: 10.2.2.2
#
# The access_ip variable is used to define how other nodes should access
# the node. This is used in flannel to allow other flannel nodes to see
# this node for example. The access_ip is really useful AWS and Google
# environments where the nodes are accessed remotely by the "public" ip,
# but don't know about that address themselves.
# access_ip: 1.1.1.1
# Etcd access modes:
# Enable multiaccess to configure clients to access all of the etcd members directly
# as the "http://hostX:port, http://hostY:port, ..." and ignore the proxy loadbalancers.
# This may be the case if clients support and loadbalance multiple etcd servers natively.
etcd_multiaccess: false
# Assume there are no internal loadbalancers for apiservers exist and listen on
# kube_apiserver_port (default 443)
loadbalancer_apiserver_localhost: true
# Choose network plugin (calico, weave or flannel)
kube_network_plugin: flannel
# Kubernetes internal network for services, unused block of space.
kube_service_addresses: 10.233.0.0/18
# internal network. When used, it will assign IP
# addresses from this range to individual pods.
# This network must be unused in your network infrastructure!
kube_pods_subnet: 10.233.64.0/18
# internal network total size (optional). This is the prefix of the
# entire network. Must be unused in your environment.
# kube_network_prefix: 18
# internal network node size allocation (optional). This is the size allocated
# to each node on your network. With these defaults you should have
# room for 4096 nodes with 254 pods per node.
kube_network_node_prefix: 24
# With calico it is possible to distributed routes with border routers of the datacenter.
peer_with_router: false
# Warning : enabling router peering will disable calico's default behavior ('node mesh').
# The subnets of each nodes will be distributed by the datacenter router
# The port the API Server will be listening on.
kube_apiserver_ip: "{{ kube_service_addresses|ipaddr('net')|ipaddr(1)|ipaddr('address') }}"
kube_apiserver_port: 443 # (https)
kube_apiserver_insecure_port: 8080 # (http)
# Internal DNS configuration.
# Kubernetes can create and mainatain its own DNS server to resolve service names
# into appropriate IP addresses. It's highly advisable to run such DNS server,
# as it greatly simplifies configuration of your applications - you can use
# service names instead of magic environment variables.
# You still must manually configure all your containers to use this DNS server,
# Kubernetes won't do this for you (yet).
# Do not install additional dnsmasq
skip_dnsmasq: false
# Upstream dns servers used by dnsmasq
#upstream_dns_servers:
# - 8.8.8.8
# - 8.8.4.4
#
# # Use dns server : https://github.com/ansibl8s/k8s-skydns/blob/master/skydns-README.md
dns_setup: true
dns_domain: "{{ cluster_name }}"
#
# # Ip address of the kubernetes skydns service
skydns_server: "{{ kube_service_addresses|ipaddr('net')|ipaddr(3)|ipaddr('address') }}"
dns_server: "{{ kube_service_addresses|ipaddr('net')|ipaddr(2)|ipaddr('address') }}"
# There are some changes specific to the cloud providers
# for instance we need to encapsulate packets with some network plugins
# If set the possible values are either 'gce', 'aws' or 'openstack'
# When openstack is used make sure to source in the openstack credentials
# like you would do when using nova-client before starting the playbook.
# cloud_provider:
## Set these proxy values in order to update docker daemon to use proxies
# http_proxy: ""
# https_proxy: ""
# no_proxy: ""
## A string of extra options to pass to the docker daemon.
## This string should be exactly as you wish it to appear.
## An obvious use case is allowing insecure-registry access
## to self hosted registries like so:
docker_options: "--insecure-registry={{ kube_service_addresses }}"
# default packages to install within the cluster
kpm_packages: []
# - name: kube-system/grafana
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#---
#peers:
# -router_id: "10.99.0.34"
# as: "65xxx"
# - router_id: "10.99.0.35"
# as: "65xxx"
#
#loadbalancer_apiserver:
# address: "10.99.0.44"
# port: "8383"
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@@ -1,10 +0,0 @@
#---
#peers:
# -router_id: "10.99.0.2"
# as: "65xxx"
# - router_id: "10.99.0.3"
# as: "65xxx"
#
#loadbalancer_apiserver:
# address: "10.99.0.21"
# port: "8383"
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@@ -1,29 +0,0 @@
#[kube-master]
#node1 ansible_ssh_host=10.99.0.26
#node2 ansible_ssh_host=10.99.0.27
#
#[etcd]
#node1 ansible_ssh_host=10.99.0.26
#node2 ansible_ssh_host=10.99.0.27
#node3 ansible_ssh_host=10.99.0.4
#
#[kube-node]
#node2 ansible_ssh_host=10.99.0.27
#node3 ansible_ssh_host=10.99.0.4
#node4 ansible_ssh_host=10.99.0.5
#node5 ansible_ssh_host=10.99.0.36
#node6 ansible_ssh_host=10.99.0.37
#
#[paris]
#node1 ansible_ssh_host=10.99.0.26
#node3 ansible_ssh_host=10.99.0.4 local_as=xxxxxxxx
#node4 ansible_ssh_host=10.99.0.5 local_as=xxxxxxxx
#
#[new-york]
#node2 ansible_ssh_host=10.99.0.27
#node5 ansible_ssh_host=10.99.0.36 local_as=xxxxxxxx
#node6 ansible_ssh_host=10.99.0.37 local_as=xxxxxxxx
#
#[k8s-cluster:children]
#kube-node
#kube-master
-14
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@@ -1,14 +0,0 @@
node1 ansible_connection=local local_release_dir={{ansible_env.HOME}}/releases
[kube-master]
node1
[etcd]
node1
[kube-node]
node1
[k8s-cluster:children]
kube-node
kube-master
+97
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@@ -0,0 +1,97 @@
#!/usr/bin/env python
# A simple dynamic replacemant of 'kargo prepare'
# Generates ansible inventory from a list of IPs in 'nodes' file.
import argparse
import json
import os
import yaml
def read_nodes_from_file(filename):
f = open(filename, 'r')
content = [x.strip('\n') for x in f.readlines()]
return content
def read_vars_from_file(src="/root/kargo/inventory/group_vars/all.yml"):
with open(src, 'r') as f:
content = yaml.load(f)
return content
def nodes_to_hash(nodes_list, masters, group_vars):
nodes = {
'all': {
'hosts': [],
'vars': group_vars
},
'etcd': {
'hosts': [],
},
'kube-master': {
'hosts': [],
},
'kube-node': {
'hosts': [],
},
'k8s-cluster': {
'children': ['kube-node', 'kube-master']
},
'_meta': {
'hostvars': {}
}
}
i = 1
for node_ip in nodes_list:
node_name = "node%s" % i
nodes['all']['hosts'].append(node_name)
nodes['_meta']['hostvars'][node_name] = {
'ansible_ssh_host': node_ip,
'ip': node_ip,
}
nodes['kube-node']['hosts'].append(node_name)
if i <= masters:
nodes['kube-master']['hosts'].append(node_name)
if i <= 3:
nodes['etcd']['hosts'].append(node_name)
i += 1
return nodes
def main():
parser = argparse.ArgumentParser(description='Kargo inventory simulator')
parser.add_argument('--list', action='store_true')
parser.add_argument('--host', default=False)
args = parser.parse_args()
# Read params from ENV since ansible does not support passing args to dynamic inv scripts
if os.environ.get('K8S_NODES_FILE'):
nodes_file = os.environ['K8S_NODES_FILE']
else:
nodes_file = 'nodes'
if os.environ.get('K8S_MASTERS'):
masters = int(os.environ['K8S_MASTERS'])
else:
masters = 2
if os.environ.get('KARGO_GROUP_VARS'):
vars_file = os.environ['KARGO_GROUP_VARS']
else:
vars_file = "/root/kargo/inventory/group_vars/all.yml"
nodes_list = read_nodes_from_file(nodes_file)
if len(nodes_list) < 3:
print "Error: requires at least 3 nodes"
return
nodes = nodes_to_hash(nodes_list, masters, read_vars_from_file(vars_file))
if args.host:
print json.dumps(nodes['_meta']['hostvars'][args.host])
else:
print json.dumps(nodes)
if __name__ == "__main__":
main()
+17
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@@ -0,0 +1,17 @@
- hosts: all
tasks:
- name: Install packages
package: name={{ item }} state=latest
with_items:
- python-pip
- screen
- vim
- telnet
- tcpdump
- traceroute
- iperf3
- nmap
- ethtool
- curl
- git
- dnsutils
+69
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@@ -0,0 +1,69 @@
- hosts: kube-master
pre_tasks:
- name: Download fuel-ccp
git:
repo: https://git.openstack.org/openstack/fuel-ccp
dest: /usr/local/src/fuel-ccp
version: master
- name: Upload ccp configs to master nodes
synchronize:
src: ../ccp/
dest: /root/ccp/
tasks:
- name: Install CCP cli tool
shell: pip install -U fuel-ccp/
args:
chdir: /usr/local/src
creates: /usr/local/bin/mcp-microservices
- name: Get pods
shell: kubectl get pods
register: get_pod
run_once: true
- name: Get services
shell: kubectl get svc
register: get_svc
run_once: true
- name: Create registry pod
shell: kubectl create -f registry_pod.yaml
args:
chdir: /root/ccp
run_once: true
when: get_pod.stdout.find('registry') == -1
- name: Create registry svc
shell: kubectl create -f registry_svc.yaml
args:
chdir: /root/ccp
run_once: true
when: get_svc.stdout.find('registry') == -1
- name: Fetch CCP images
shell: mcp-microservices --config-file=/root/ccp/ccp.conf fetch
run_once: true
# - name: Patch fuel-ccp-neutron
# run_once: true
# args:
# chdir: /root/microservices-repos/fuel-ccp-neutron
# shell: git fetch https://git.openstack.org/openstack/fuel-ccp-neutron {{ item }} && git cherry-pick FETCH_HEAD
# with_items:
# - "refs/changes/96/340496/6"
- name: Build CCP images
shell: mcp-microservices --config-file=/root/ccp/ccp.conf build
run_once: true
- hosts: k8s-cluster
tasks:
- name: Check number of built images
shell: test $(curl -s 127.0.0.1:31500/v2/_catalog | python -mjson.tool | grep mcp/ | wc -l) -ge 29
+27
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@@ -0,0 +1,27 @@
- hosts: kube-master
pre_tasks:
- name: Rsync CCP configs
synchronize:
src: ../ccp/
dest: /root/ccp/
tasks:
- name: Label nodes
shell: ./label-nodes.sh
args:
chdir: /root/ccp
run_once: true
- name: Get namespaces
shell: kubectl get namespace
register: get_ns
run_once: true
- name: Deploy CCP
shell: mcp-microservices --config-file=/root/ccp/ccp.conf deploy
args:
chdir: /root/ccp
run_once: true
when: get_ns.stdout.find('openstack') == -1
+24
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@@ -0,0 +1,24 @@
# FXIME: add persistent routing rule
- hosts: kube-master
tasks:
- name: Get kube service net
shell: grep KUBE_SERVICE_ADDRESSES /etc/kubernetes/kube-apiserver.env | grep -oE "\b([0-9]{1,3}\.){3}[0-9]{1,3}/[0-9]{1,2}\b"
register: kube_service_addresses
run_once: true
- hosts: all
tasks:
- name: Get local IP
shell: "calicoctl status | grep IP: | awk '{print $2}'"
register: local_ip
- name: Get route
shell: ip ro ls | grep "^{{ hostvars[groups['kube-master'][0]]['kube_service_addresses']['stdout'] }}" || echo ""
register: local_route
- name: Clean up route
shell: ip ro del {{ hostvars[groups['kube-master'][0]]['kube_service_addresses']['stdout'] }} || true
when: local_route.stdout.find('{{ local_ip.stdout }}') == -1
- name: Setup route
shell: ip ro add {{ hostvars[groups['kube-master'][0]]['kube_service_addresses']['stdout'] }} via {{ local_ip.stdout }}
when: local_route.stdout.find('{{ local_ip.stdout }}') == -1
- name: Add openstack namespace to resolv.conf
shell: grep openstack.svc.cluster.local /etc/resolv.conf || sed '/^search / s/$/ openstack.svc.cluster.local/' -i /etc/resolv.conf
+5
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@@ -0,0 +1,5 @@
- hosts: kube-master
tasks:
- name: setup-kubedns
shell: kpm deploy kube-system/kubedash --namespace=kube-system
run_once: true
+5
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@@ -0,0 +1,5 @@
- hosts: kube-master
tasks:
- name: setup-kubedns
shell: kpm deploy kube-system/kubernetes-dashboard --namespace=kube-system
run_once: true
+5
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@@ -0,0 +1,5 @@
- hosts: kube-master
tasks:
- name: setup-kubedns
shell: kpm deploy kube-system/kubedns --namespace=kube-system
run_once: true
-2
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@@ -1,2 +0,0 @@
ansible
netaddr
-48
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@@ -1,48 +0,0 @@
---
- src: https://gitlab.com/kubespray-ansibl8s/k8s-common.git
path: roles/apps
scm: git
#- src: https://gitlab.com/kubespray-ansibl8s/k8s-dashboard.git
# path: roles/apps
# scm: git
#
#- src: https://gitlab.com/kubespray-ansibl8s/k8s-kubedns.git
# path: roles/apps
# scm: git
#
#- src: https://gitlab.com/kubespray-ansibl8s/k8s-elasticsearch.git
# path: roles/apps
# scm: git
#
#- src: https://gitlab.com/kubespray-ansibl8s/k8s-redis.git
# path: roles/apps
# scm: git
#
#- src: https://gitlab.com/kubespray-ansibl8s/k8s-memcached.git
# path: roles/apps
# scm: git
#
#- src: https://gitlab.com/kubespray-ansibl8s/k8s-postgres.git
# path: roles/apps
# scm: git
#
#- src: https://gitlab.com/kubespray-ansibl8s/k8s-pgbouncer.git
# path: roles/apps
# scm: git
#
#- src: https://gitlab.com/kubespray-ansibl8s/k8s-heapster.git
# path: roles/apps
# scm: git
#
#- src: https://gitlab.com/kubespray-ansibl8s/k8s-influxdb.git
# path: roles/apps
# scm: git
#
#- src: https://gitlab.com/kubespray-ansibl8s/k8s-kubedash.git
# path: roles/apps
# scm: git
#
#- src: https://gitlab.com/kubespray-ansibl8s/k8s-kube-logstash.git
# path: roles/apps
# scm: git
-24
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@@ -1,24 +0,0 @@
---
addusers:
etcd:
name: etcd
comment: "Etcd user"
createhome: yes
home: "/var/lib/etcd"
system: yes
shell: /bin/nologin
kube:
name: kube
comment: "Kubernetes user"
shell: /sbin/nologin
system: yes
group: "{{ kube_cert_group }}"
createhome: no
adduser:
name: "{{ user.name }}"
group: "{{ user.name|default(None) }}"
comment: "{{ user.comment|default(None) }}"
shell: "{{ user.shell|default(None) }}"
system: "{{ user.system|default(None) }}"
createhome: "{{ user.createhome|default(None) }}"
-13
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@@ -1,13 +0,0 @@
---
- name: User | Create User Group
group: name={{user.group|default(user.name)}} system={{user.system|default(omit)}}
- name: User | Create User
user:
comment: "{{user.comment|default(omit)}}"
createhome: "{{user.create_home|default(omit)}}"
group: "{{user.group|default(user.name)}}"
home: "{{user.home|default(omit)}}"
shell: "{{user.shell|default(omit)}}"
name: "{{user.name}}"
system: "{{user.system|default(omit)}}"
-8
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@@ -1,8 +0,0 @@
---
addusers:
- name: kube
comment: "Kubernetes user"
shell: /sbin/nologin
system: yes
group: "{{ kube_cert_group }}"
createhome: no
-15
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@@ -1,15 +0,0 @@
---
addusers:
- name: etcd
comment: "Etcd user"
createhome: yes
home: "/var/lib/etcd"
system: yes
shell: /bin/nologin
- name: kube
comment: "Kubernetes user"
shell: /sbin/nologin
system: yes
group: "{{ kube_cert_group }}"
createhome: no
-15
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@@ -1,15 +0,0 @@
---
addusers:
- name: etcd
comment: "Etcd user"
createhome: yes
home: "/var/lib/etcd"
system: yes
shell: /bin/nologin
- name: kube
comment: "Kubernetes user"
shell: /sbin/nologin
system: yes
group: "{{ kube_cert_group }}"
createhome: no
-4
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@@ -1,4 +0,0 @@
---
pypy_version: 2.4.0
pip_python_modules:
- httplib2
-31
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@@ -1,31 +0,0 @@
#/bin/bash
set -e
BINDIR="/opt/bin"
mkdir -p $BINDIR
cd $BINDIR
if [[ -e $BINDIR/.bootstrapped ]]; then
exit 0
fi
PYPY_VERSION=5.1.0
wget -O - https://bitbucket.org/pypy/pypy/downloads/pypy-$PYPY_VERSION-linux64.tar.bz2 |tar -xjf -
mv -n pypy-$PYPY_VERSION-linux64 pypy
## library fixup
mkdir -p pypy/lib
ln -snf /lib64/libncurses.so.5.9 $BINDIR/pypy/lib/libtinfo.so.5
cat > $BINDIR/python <<EOF
#!/bin/bash
LD_LIBRARY_PATH=$BINDIR/pypy/lib:$LD_LIBRARY_PATH exec $BINDIR/pypy/bin/pypy "\$@"
EOF
chmod +x $BINDIR/python
$BINDIR/python --version
touch $BINDIR/.bootstrapped
File diff suppressed because it is too large Load Diff
-3
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@@ -1,3 +0,0 @@
#!/bin/bash
BINDIR="/opt/bin"
LD_LIBRARY_PATH=$BINDIR/pypy/lib:$LD_LIBRARY_PATH $BINDIR/pypy/bin/$(basename $0) $@
@@ -1,49 +0,0 @@
---
- name: Bootstrap | Check if bootstrap is needed
raw: stat /opt/bin/.bootstrapped
register: need_bootstrap
ignore_errors: True
- name: Bootstrap | Run bootstrap.sh
script: bootstrap.sh
when: (need_bootstrap | failed)
- set_fact:
ansible_python_interpreter: "/opt/bin/python"
- name: Bootstrap | Check if we need to install pip
shell: "{{ansible_python_interpreter}} -m pip --version"
register: need_pip
ignore_errors: True
changed_when: false
when: (need_bootstrap | failed)
- name: Bootstrap | Copy get-pip.py
copy: src=get-pip.py dest=~/get-pip.py
when: (need_pip | failed)
- name: Bootstrap | Install pip
shell: "{{ansible_python_interpreter}} ~/get-pip.py"
when: (need_pip | failed)
- name: Bootstrap | Remove get-pip.py
file: path=~/get-pip.py state=absent
when: (need_pip | failed)
- name: Bootstrap | Install pip launcher
copy: src=runner dest=/opt/bin/pip mode=0755
when: (need_pip | failed)
- name: Install required python modules
pip:
name: "{{ item }}"
with_items: "{{pip_python_modules}}"
- name: Check configured hostname
shell: hostname
register: configured_hostname
- name: Assign inventory name to unconfigured hostnames
shell: sh -c "echo \"{{inventory_hostname}}\" > /etc/hostname; hostname \"{{inventory_hostname}}\""
when: (configured_hostname.stdout == 'localhost')
@@ -1,14 +0,0 @@
---
# raw: cat /etc/issue.net | grep '{{ bootstrap_versions }}'
- name: Bootstrap | Check if bootstrap is needed
raw: which python
register: need_bootstrap
ignore_errors: True
- name: Bootstrap | Install python 2.x
raw: DEBIAN_FRONTEND=noninteractive apt-get install -y python-minimal
when: need_bootstrap | failed
- set_fact:
ansible_python_interpreter: "/usr/bin/python"
-6
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@@ -1,6 +0,0 @@
---
- include: bootstrap-ubuntu.yml
when: bootstrap_os == "ubuntu"
- include: bootstrap-coreos.yml
when: bootstrap_os == "coreos"
@@ -1,2 +0,0 @@
#!/bin/bash
LD_LIBRARY_PATH={{ pypy_install_path }}/lib:$LD_LIBRARY_PATH exec {{ pypy_install_path }}/bin/{{ item.src }} "$@"
-12
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@@ -1,12 +0,0 @@
---
# Existing search/nameserver resolvconf entries will be purged and
# ensured by this additional data:
# Max of 4 names is allowed and no more than 256 - 17 chars total
# (a 2 is reserved for the 'default.svc.' and'svc.')
#searchdomains:
# - foo.bar.lc
# Max of 2 is allowed here (a 1 is reserved for the dns_server)
#nameservers:
# - 127.0.0.1
-4
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@@ -1,4 +0,0 @@
#!/bin/sh
make_resolv_conf() {
:
}
-34
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@@ -1,34 +0,0 @@
- name: Dnsmasq | restart network
command: /bin/true
notify:
- Dnsmasq | reload network
- Dnsmasq | update resolvconf
when: ansible_os_family != "CoreOS"
- name: Dnsmasq | reload network
service:
name: >-
{% if ansible_os_family == "RedHat" -%}
network
{%- elif ansible_os_family == "Debian" -%}
networking
{%- endif %}
state: restarted
when: ansible_os_family != "RedHat" and ansible_os_family != "CoreOS"
- name: Dnsmasq | update resolvconf
command: /bin/true
notify:
- Dnsmasq | reload resolvconf
- Dnsmasq | reload kubelet
- name: Dnsmasq | reload resolvconf
command: /sbin/resolvconf -u
ignore_errors: true
- name: Dnsmasq | reload kubelet
service:
name: kubelet
state: restarted
when: "{{ inventory_hostname in groups['kube-master'] }}"
ignore_errors: true
-305
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@@ -1,305 +0,0 @@
#!/usr/bin/python
# -*- coding: utf-8 -*-
DOCUMENTATION = """
---
module: kube
short_description: Manage Kubernetes Cluster
description:
- Create, replace, remove, and stop resources within a Kubernetes Cluster
version_added: "2.0"
options:
name:
required: false
default: null
description:
- The name associated with resource
filename:
required: false
default: null
description:
- The path and filename of the resource(s) definition file.
kubectl:
required: false
default: null
description:
- The path to the kubectl bin
namespace:
required: false
default: null
description:
- The namespace associated with the resource(s)
resource:
required: false
default: null
description:
- The resource to perform an action on. pods (po), replicationControllers (rc), services (svc)
label:
required: false
default: null
description:
- The labels used to filter specific resources.
server:
required: false
default: null
description:
- The url for the API server that commands are executed against.
force:
required: false
default: false
description:
- A flag to indicate to force delete, replace, or stop.
all:
required: false
default: false
description:
- A flag to indicate delete all, stop all, or all namespaces when checking exists.
log_level:
required: false
default: 0
description:
- Indicates the level of verbosity of logging by kubectl.
state:
required: false
choices: ['present', 'absent', 'latest', 'reloaded', 'stopped']
default: present
description:
- present handles checking existence or creating if definition file provided,
absent handles deleting resource(s) based on other options,
latest handles creating ore updating based on existence,
reloaded handles updating resource(s) definition using definition file,
stopped handles stopping resource(s) based on other options.
requirements:
- kubectl
author: "Kenny Jones (@kenjones-cisco)"
"""
EXAMPLES = """
- name: test nginx is present
kube: name=nginx resource=rc state=present
- name: test nginx is stopped
kube: name=nginx resource=rc state=stopped
- name: test nginx is absent
kube: name=nginx resource=rc state=absent
- name: test nginx is present
kube: filename=/tmp/nginx.yml
"""
class KubeManager(object):
def __init__(self, module):
self.module = module
self.kubectl = module.params.get('kubectl')
if self.kubectl is None:
self.kubectl = module.get_bin_path('kubectl', True)
self.base_cmd = [self.kubectl]
if module.params.get('server'):
self.base_cmd.append('--server=' + module.params.get('server'))
if module.params.get('log_level'):
self.base_cmd.append('--v=' + str(module.params.get('log_level')))
if module.params.get('namespace'):
self.base_cmd.append('--namespace=' + module.params.get('namespace'))
self.all = module.params.get('all')
self.force = module.params.get('force')
self.name = module.params.get('name')
self.filename = module.params.get('filename')
self.resource = module.params.get('resource')
self.label = module.params.get('label')
def _execute(self, cmd):
args = self.base_cmd + cmd
try:
rc, out, err = self.module.run_command(args)
if rc != 0:
self.module.fail_json(
msg='error running kubectl (%s) command (rc=%d): %s' % (' '.join(args), rc, out or err))
except Exception as exc:
self.module.fail_json(
msg='error running kubectl (%s) command: %s' % (' '.join(args), str(exc)))
return out.splitlines()
def _execute_nofail(self, cmd):
args = self.base_cmd + cmd
rc, out, err = self.module.run_command(args)
if rc != 0:
return None
return out.splitlines()
def create(self, check=True):
if check and self.exists():
return []
cmd = ['create']
if not self.filename:
self.module.fail_json(msg='filename required to create')
cmd.append('--filename=' + self.filename)
return self._execute(cmd)
def replace(self):
if not self.force and not self.exists():
return []
cmd = ['replace']
if self.force:
cmd.append('--force')
if not self.filename:
self.module.fail_json(msg='filename required to reload')
cmd.append('--filename=' + self.filename)
return self._execute(cmd)
def delete(self):
if not self.force and not self.exists():
return []
cmd = ['delete']
if self.filename:
cmd.append('--filename=' + self.filename)
else:
if not self.resource:
self.module.fail_json(msg='resource required to delete without filename')
cmd.append(self.resource)
if self.name:
cmd.append(self.name)
if self.label:
cmd.append('--selector=' + self.label)
if self.all:
cmd.append('--all')
if self.force:
cmd.append('--ignore-not-found')
return self._execute(cmd)
def exists(self):
cmd = ['get']
if not self.resource:
return False
cmd.append(self.resource)
if self.name:
cmd.append(self.name)
cmd.append('--no-headers')
if self.label:
cmd.append('--selector=' + self.label)
if self.all:
cmd.append('--all-namespaces')
result = self._execute_nofail(cmd)
if not result:
return False
return True
def stop(self):
if not self.force and not self.exists():
return []
cmd = ['stop']
if self.filename:
cmd.append('--filename=' + self.filename)
else:
if not self.resource:
self.module.fail_json(msg='resource required to stop without filename')
cmd.append(self.resource)
if self.name:
cmd.append(self.name)
if self.label:
cmd.append('--selector=' + self.label)
if self.all:
cmd.append('--all')
if self.force:
cmd.append('--ignore-not-found')
return self._execute(cmd)
def main():
module = AnsibleModule(
argument_spec=dict(
name=dict(),
filename=dict(),
namespace=dict(),
resource=dict(),
label=dict(),
server=dict(),
kubectl=dict(),
force=dict(default=False, type='bool'),
all=dict(default=False, type='bool'),
log_level=dict(default=0, type='int'),
state=dict(default='present', choices=['present', 'absent', 'latest', 'reloaded', 'stopped']),
)
)
changed = False
manager = KubeManager(module)
state = module.params.get('state')
if state == 'present':
result = manager.create()
elif state == 'absent':
result = manager.delete()
elif state == 'reloaded':
result = manager.replace()
elif state == 'stopped':
result = manager.stop()
elif state == 'latest':
if manager.exists():
manager.force = True
result = manager.replace()
else:
result = manager.create(check=False)
else:
module.fail_json(msg='Unrecognized state %s.' % state)
if result:
changed = True
module.exit_json(changed=changed,
msg='success: %s' % (' '.join(result))
)
from ansible.module_utils.basic import * # noqa
if __name__ == '__main__':
main()
-58
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@@ -1,58 +0,0 @@
---
- name: ensure dnsmasq.d directory exists
file:
path: /etc/dnsmasq.d
state: directory
- name: ensure dnsmasq.d-available directory exists
file:
path: /etc/dnsmasq.d-available
state: directory
- name: Write dnsmasq configuration
template:
src: 01-kube-dns.conf.j2
dest: /etc/dnsmasq.d-available/01-kube-dns.conf
mode: 0755
backup: yes
- name: Stat dnsmasq configuration
stat: path=/etc/dnsmasq.d/01-kube-dns.conf
register: sym
- name: Move previous configuration
command: mv /etc/dnsmasq.d/01-kube-dns.conf /etc/dnsmasq.d-available/01-kube-dns.conf.bak
changed_when: False
when: sym.stat.islnk is defined and sym.stat.islnk == False
- name: Enable dnsmasq configuration
file:
src: /etc/dnsmasq.d-available/01-kube-dns.conf
dest: /etc/dnsmasq.d/01-kube-dns.conf
state: link
- name: Create dnsmasq manifests
template: src={{item.file}} dest=/etc/kubernetes/{{item.file}}
with_items:
- {file: dnsmasq-ds.yml, type: ds}
- {file: dnsmasq-svc.yml, type: svc}
register: manifests
when: inventory_hostname == groups['kube-master'][0]
- name: Start Resources
kube:
name: dnsmasq
namespace: kube-system
kubectl: "{{bin_dir}}/kubectl"
resource: "{{item.item.type}}"
filename: /etc/kubernetes/{{item.item.file}}
state: "{{item.changed | ternary('latest','present') }}"
with_items: "{{ manifests.results }}"
when: inventory_hostname == groups['kube-master'][0]
- name: Check for dnsmasq port (pulling image and running container)
wait_for:
host: "{{dns_server}}"
port: 53
delay: 5
when: inventory_hostname == groups['kube-node'][0]
-5
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@@ -1,5 +0,0 @@
---
- include: dnsmasq.yml
when: "{{ not skip_dnsmasq|bool }}"
- include: resolvconf.yml
-101
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@@ -1,101 +0,0 @@
---
- name: check resolvconf
shell: which resolvconf
register: resolvconf
ignore_errors: yes
- name: target resolv.conf file
set_fact:
resolvconffile: >-
{%- if resolvconf.rc == 0 -%}/etc/resolvconf/resolv.conf.d/head{%- else -%}/etc/resolv.conf{%- endif -%}
- name: generate search domains to resolvconf
set_fact:
searchentries:
"{{ ([ 'default.svc.' + dns_domain, 'svc.' + dns_domain ] + searchdomains|default([])) | join(' ') }}"
- name: pick dnsmasq cluster IP
set_fact:
dnsmasq_server: >-
{%- if skip_dnsmasq|bool -%}{{ [ skydns_server ] + upstream_dns_servers|default([]) }}{%- else -%}{{ [ dns_server ] }}{%- endif -%}
- name: generate nameservers to resolvconf
set_fact:
nameserverentries:
"{{ dnsmasq_server|default([]) + nameservers|default([]) }}"
- name: Remove search and nameserver options from resolvconf head
lineinfile:
dest: /etc/resolvconf/resolv.conf.d/head
state: absent
regexp: "^{{ item }}.*$"
backup: yes
follow: yes
with_items:
- search
- nameserver
when: resolvconf.rc == 0
notify: Dnsmasq | update resolvconf
- name: Add search domains to resolv.conf
lineinfile:
line: "search {{searchentries}}"
dest: "{{resolvconffile}}"
state: present
insertbefore: BOF
backup: yes
follow: yes
notify: Dnsmasq | update resolvconf
- name: Add nameservers to resolv.conf
blockinfile:
dest: "{{resolvconffile}}"
block: |-
{% for item in nameserverentries -%}
nameserver {{ item }}
{% endfor %}
state: present
insertafter: "^search.*$"
create: yes
backup: yes
follow: yes
marker: "# Ansible nameservers {mark}"
notify: Dnsmasq | update resolvconf
- name: Add options to resolv.conf
lineinfile:
line: options {{ item }}
dest: "{{resolvconffile}}"
state: present
regexp: "^options.*{{ item }}$"
insertafter: EOF
backup: yes
follow: yes
with_items:
- ndots:{{ ndots }}
- timeout:2
- attempts:2
notify: Dnsmasq | update resolvconf
- name: Remove search and nameserver options from resolvconf base
lineinfile:
dest: /etc/resolvconf/resolv.conf.d/base
state: absent
regexp: "^{{ item }}.*$"
backup: yes
follow: yes
with_items:
- search
- nameserver
when: resolvconf.rc == 0
notify: Dnsmasq | update resolvconf
- name: disable resolv.conf modification by dhclient
copy: src=dhclient_nodnsupdate dest=/etc/dhcp/dhclient-enter-hooks.d/znodnsupdate mode=0755
notify: Dnsmasq | restart network
when: ansible_os_family == "Debian"
- name: disable resolv.conf modification by dhclient
copy: src=dhclient_nodnsupdate dest=/etc/dhcp/dhclient.d/nodnsupdate mode=u+x
notify: Dnsmasq | restart network
when: ansible_os_family == "RedHat"
@@ -1,29 +0,0 @@
#Listen on localhost
bind-interfaces
listen-address=0.0.0.0
addn-hosts=/etc/hosts
strict-order
# Forward k8s domain to kube-dns
server=/{{ dns_domain }}/{{ skydns_server }}
#Set upstream dns servers
{% if upstream_dns_servers is defined %}
{% for srv in upstream_dns_servers %}
server={{ srv }}
{% endfor %}
{% elif cloud_provider == "gce" %}
server=169.254.169.254
{% else %}
server=8.8.8.8
server=8.8.4.4
{% endif %}
bogus-priv
no-resolv
no-negcache
cache-size=1000
max-cache-ttl=10
max-ttl=20
log-facility=-
-53
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@@ -1,53 +0,0 @@
---
apiVersion: extensions/v1beta1
kind: DaemonSet
metadata:
name: dnsmasq
namespace: kube-system
labels:
k8s-app: dnsmasq
spec:
template:
metadata:
labels:
k8s-app: dnsmasq
spec:
containers:
- name: dnsmasq
image: andyshinn/dnsmasq:2.72
command:
- dnsmasq
args:
- -k
- "-7"
- /etc/dnsmasq.d
securityContext:
capabilities:
add:
- NET_ADMIN
imagePullPolicy: IfNotPresent
resources:
limits:
cpu: 100m
memory: 256M
ports:
- name: dns
containerPort: 53
protocol: UDP
- name: dns-tcp
containerPort: 53
protocol: TCP
volumeMounts:
- name: etcdnsmasqd
mountPath: /etc/dnsmasq.d
- name: etcdnsmasqdavailable
mountPath: /etc/dnsmasq.d-available
volumes:
- name: etcdnsmasqd
hostPath:
path: /etc/dnsmasq.d
- name: etcdnsmasqdavailable
hostPath:
path: /etc/dnsmasq.d-available
dnsPolicy: Default # Don't use cluster DNS.
-23
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@@ -1,23 +0,0 @@
---
apiVersion: v1
kind: Service
metadata:
labels:
kubernetes.io/cluster-service: 'true'
k8s-app: dnsmasq
name: dnsmasq
namespace: kube-system
spec:
ports:
- port: 53
name: dns-tcp
targetPort: 53
protocol: TCP
- port: 53
name: dns
targetPort: 53
protocol: UDP
type: ClusterIP
clusterIP: {{dns_server}}
selector:
k8s-app: dnsmasq
-2
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@@ -1,2 +0,0 @@
.*.swp
.vagrant
-10
View File
@@ -1,10 +0,0 @@
docker_version: 1.10
docker_package_info:
pkgs:
docker_repo_key_info:
repo_keys:
docker_repo_info:
repos:
-6
View File
@@ -1,6 +0,0 @@
[dockerrepo]
name=Docker Repository
baseurl=https://yum.dockerproject.org/repo/main/centos/7
enabled=1
gpgcheck=1
gpgkey=https://yum.dockerproject.org/gpg

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