mirror of
https://github.com/prodrigestivill/docker-postgres-backup-local.git
synced 2026-05-31 08:37:58 +00:00
Pau RE
69 lines
2.4 KiB
Bash
Executable File
69 lines
2.4 KiB
Bash
Executable File
#!/usr/bin/env bash
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# Pre-validate the environment
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if [ "${POSTGRES_DB}" = "**None**" -a "${POSTGRES_DB_FILE}" = "**None**" ]; then
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echo "You need to set the POSTGRES_DB or POSTGRES_DB_FILE environment variable."
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exit 1
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fi
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if [ "${POSTGRES_HOST}" = "**None**" ]; then
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if [ -n "${POSTGRES_PORT_5432_TCP_ADDR}" ]; then
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POSTGRES_HOST=${POSTGRES_PORT_5432_TCP_ADDR}
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POSTGRES_PORT=${POSTGRES_PORT_5432_TCP_PORT}
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else
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echo "You need to set the POSTGRES_HOST environment variable."
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exit 1
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fi
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fi
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if [ "${POSTGRES_USER}" = "**None**" -a "${POSTGRES_USER_FILE}" = "**None**" ]; then
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echo "You need to set the POSTGRES_USER or POSTGRES_USER_FILE environment variable."
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exit 1
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fi
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if [ "${POSTGRES_PASSWORD}" = "**None**" -a "${POSTGRES_PASSWORD_FILE}" = "**None**" -a "${POSTGRES_PASSFILE_STORE}" = "**None**" ]; then
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echo "You need to set the POSTGRES_PASSWORD or POSTGRES_PASSWORD_FILE or POSTGRES_PASSFILE_STORE environment variable or link to a container named POSTGRES."
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exit 1
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fi
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#Process vars
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if [ "${POSTGRES_DB_FILE}" = "**None**" ]; then
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POSTGRES_DBS=$(echo "${POSTGRES_DB}" | tr , " ")
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elif [ -r "${POSTGRES_DB_FILE}" ]; then
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POSTGRES_DBS=$(cat "${POSTGRES_DB_FILE}")
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else
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echo "Missing POSTGRES_DB_FILE file."
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exit 1
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fi
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if [ "${POSTGRES_USER_FILE}" = "**None**" ]; then
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export PGUSER="${POSTGRES_USER}"
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elif [ -r "${POSTGRES_USER_FILE}" ]; then
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export PGUSER=$(cat "${POSTGRES_USER_FILE}")
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else
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echo "Missing POSTGRES_USER_FILE file."
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exit 1
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fi
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if [ "${POSTGRES_PASSWORD_FILE}" = "**None**" -a "${POSTGRES_PASSFILE_STORE}" = "**None**" ]; then
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export PGPASSWORD="${POSTGRES_PASSWORD}"
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elif [ -r "${POSTGRES_PASSWORD_FILE}" ]; then
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export PGPASSWORD=$(cat "${POSTGRES_PASSWORD_FILE}")
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elif [ -r "${POSTGRES_PASSFILE_STORE}" ]; then
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export PGPASSFILE="${POSTGRES_PASSFILE_STORE}"
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else
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echo "Missing POSTGRES_PASSWORD_FILE or POSTGRES_PASSFILE_STORE file."
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exit 1
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fi
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export PGHOST="${POSTGRES_HOST}"
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export PGPORT="${POSTGRES_PORT}"
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KEEP_MINS=${BACKUP_KEEP_MINS}
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KEEP_DAYS=${BACKUP_KEEP_DAYS}
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KEEP_WEEKS=`expr $(((${BACKUP_KEEP_WEEKS} * 7) + 1))`
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KEEP_MONTHS=`expr $(((${BACKUP_KEEP_MONTHS} * 31) + 1))`
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# Validate backup dir
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if [ -d "${BACKUP_DIR}" -a -w "${BACKUP_DIR}" -a -x "${BACKUP_DIR}" ]; then
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echo "Backups will be stored at ${BACKUP_DIR}."
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else
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echo "BACKUP_DIR points to a file or folder with insufficient permissions."
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exit 1
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fi
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