DevAndTools/docker-postgres-backup-local
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Pau Rodriguez-Estivill
2019-03-26 16:06:32 +01:00
parent 09dfc24fa6
commit 6773819952
1 changed files with 19 additions and 19 deletions
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backup.sh
+19 -19
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@@ -9,8 +9,8 @@ fi
if [ "${POSTGRES_HOST}" = "**None**" ]; then if [ "${POSTGRES_HOST}" = "**None**" ]; then
if [ -n "${POSTGRES_PORT_5432_TCP_ADDR}" ]; then if [ -n "${POSTGRES_PORT_5432_TCP_ADDR}" ]; then
POSTGRES_HOST=$POSTGRES_PORT_5432_TCP_ADDR POSTGRES_HOST=${POSTGRES_PORT_5432_TCP_ADDR}
POSTGRES_PORT=$POSTGRES_PORT_5432_TCP_PORT POSTGRES_PORT=${POSTGRES_PORT_5432_TCP_PORT}
else else
echo "You need to set the POSTGRES_HOST environment variable." echo "You need to set the POSTGRES_HOST environment variable."
exit 1 exit 1
@@ -37,7 +37,7 @@ else
exit 1 exit 1
fi fi
if [ "${POSTGRES_USER_FILE}" = "**None**" ]; then if [ "${POSTGRES_USER_FILE}" = "**None**" ]; then
export PGUSER="$POSTGRES_USER" export PGUSER="${POSTGRES_USER}"
elif [ -r "${POSTGRES_USER_FILE}" ]; then elif [ -r "${POSTGRES_USER_FILE}" ]; then
export PGUSER=$(cat "${POSTGRES_USER_FILE}") export PGUSER=$(cat "${POSTGRES_USER_FILE}")
else else
@@ -45,38 +45,38 @@ else
exit 1 exit 1
fi fi
if [ "${POSTGRES_PASSWORD_FILE}" = "**None**" ]; then if [ "${POSTGRES_PASSWORD_FILE}" = "**None**" ]; then
export PGPASSWORD="$POSTGRES_PASSWORD" export PGPASSWORD="${POSTGRES_PASSWORD}"
elif [ -r "${POSTGRES_PASSWORD_FILE}" ]; then elif [ -r "${POSTGRES_PASSWORD_FILE}" ]; then
export PGPASSWORD=$(cat "${POSTGRES_PASSWORD_FILE}") export PGPASSWORD=$(cat "${POSTGRES_PASSWORD_FILE}")
else else
echo "Missing POSTGRES_PASSWORD_FILE file." echo "Missing POSTGRES_PASSWORD_FILE file."
exit 1 exit 1
fi fi
POSTGRES_HOST_OPTS="-h $POSTGRES_HOST -p $POSTGRES_PORT $POSTGRES_EXTRA_OPTS" POSTGRES_HOST_OPTS="-h ${POSTGRES_HOST} -p ${POSTGRES_PORT} ${POSTGRES_EXTRA_OPTS}"
KEEP_DAYS=$BACKUP_KEEP_DAYS KEEP_DAYS=${BACKUP_KEEP_DAYS}
KEEP_WEEKS=`expr $((($BACKUP_KEEP_WEEKS * 7) + 1))` KEEP_WEEKS=`expr $(((${BACKUP_KEEP_WEEKS} * 7) + 1))`
KEEP_MONTHS=`expr $((($BACKUP_KEEP_MONTHS * 31) + 1))` KEEP_MONTHS=`expr $(((${BACKUP_KEEP_MONTHS} * 31) + 1))`
#Initialize dirs #Initialize dirs
mkdir -p "$BACKUP_DIR/daily/" "$BACKUP_DIR/weekly/" "$BACKUP_DIR/monthly/" mkdir -p "${BACKUP_DIR}/daily/" "${BACKUP_DIR}/weekly/" "${BACKUP_DIR}/monthly/"
#Loop all databases #Loop all databases
for DB in $POSTGRES_DBS; do for DB in ${POSTGRES_DBS}; do
#Initialize filename vers #Initialize filename vers
DFILE="$BACKUP_DIR/daily/$DB-`date +%Y%m%d-%H%M%S`.sql.gz" DFILE="${BACKUP_DIR}/daily/${DB}-`date +%Y%m%d-%H%M%S`.sql.gz"
WFILE="$BACKUP_DIR/weekly/$DB-`date +%G%V`.sql.gz" WFILE="${BACKUP_DIR}/weekly/${DB}-`date +%G%V`.sql.gz"
MFILE="$BACKUP_DIR/monthly/$DB-`date +%Y%m`.sql.gz" MFILE="${BACKUP_DIR}/monthly/${DB}-`date +%Y%m`.sql.gz"
#Create dump #Create dump
echo "Creating dump of ${DB} database from ${POSTGRES_HOST}..." echo "Creating dump of ${DB} database from ${POSTGRES_HOST}..."
pg_dump -f "$DFILE" $POSTGRES_HOST_OPTS $DB pg_dump -f "${DFILE}" ${POSTGRES_HOST_OPTS} ${DB}
#Copy (hardlink) for each entry #Copy (hardlink) for each entry
ln -vf "$DFILE" "$WFILE" ln -vf "${DFILE}" "${WFILE}"
ln -vf "$DFILE" "$MFILE" ln -vf "${DFILE}" "${MFILE}"
#Clean old files #Clean old files
echo "Cleaning older than ${KEEP_DAYS} days for ${DB} database from ${POSTGRES_HOST}..." echo "Cleaning older than ${KEEP_DAYS} days for ${DB} database from ${POSTGRES_HOST}..."
find "$BACKUP_DIR/daily" -maxdepth 1 -mtime +$KEEP_DAYS -name "$DB-*.sql*" -exec rm -rf '{}' ';' find "${BACKUP_DIR}/daily" -maxdepth 1 -mtime +${KEEP_DAYS} -name "${DB}-*.sql*" -exec rm -rf '{}' ';'
find "$BACKUP_DIR/weekly" -maxdepth 1 -mtime +$KEEP_WEEKS -name "$DB-*.sql*" -exec rm -rf '{}' ';' find "${BACKUP_DIR}/weekly" -maxdepth 1 -mtime +${KEEP_WEEKS} -name "${DB}-*.sql*" -exec rm -rf '{}' ';'
find "$BACKUP_DIR/monthly" -maxdepth 1 -mtime +$KEEP_MONTHS -name "$DB-*.sql*" -exec rm -rf '{}' ';' find "${BACKUP_DIR}/monthly" -maxdepth 1 -mtime +${KEEP_MONTHS} -name "${DB}-*.sql*" -exec rm -rf '{}' ';'
done done
echo "SQL backup uploaded successfully" echo "SQL backup uploaded successfully"