56 lines
1.2 KiB
Bash
56 lines
1.2 KiB
Bash
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#!/bin/sh
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set -e
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if [ "$#" -lt 4 ] ;then
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echo "Backup all postgres databases on k8s container with pg_dump and gzip"
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echo
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echo " Usage $0 <path-to-backup-directory> <pod-app-label> <container-name> [dbname]"
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exit 1
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fi
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DIR=$(dirname "$(readlink -f "$0")")
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BACKUPDIR=$2
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APP=$3
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CONTAINER=$4
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POD=$(kubectl get pod --selector "app=$APP" | tail +2 | awk '{print $1}')
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if [ -z "$POD" ] ; then
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echo not pod found!
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exit 1
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fi
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backup () {
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mkdir -p "$BACKUPDIR"
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for DBNAME in $(
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kubectl exec "$POD" -c "$CONTAINER" -- \
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psql postgres postgres -c "SELECT datname FROM pg_database" | \
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tail +3 | head -n -2
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); do
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case $DBNAME in
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postgres|template0|template1)
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;;
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*)
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echo "backing up $DBNAME to $BACKUPDIR/$DBNAME.sql.gz"
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"$DIR/k8s-pgdb.sh" backup "$BACKUPDIR/$DBNAME.sql.gz" "$APP" "$CONTAINER" "$DBNAME"
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;;
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esac
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done
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}
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restore () {
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for BACKUPGZ in "$BACKUPDIR"/*.sql.gz ;do
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"$DIR/pgdb.sh" restore "$BACKUPGZ"
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done
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}
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case $1 in
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backup)
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backup
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;;
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restore)
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restore
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;;
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esac
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