b65752d7c5
This is an effort to impletment etcd backup. This will create a k8s cron job to take a regular backup. Change-Id: If2c89ac01540c0f13f9b57a6833a8ea770379717 Signed-off-by: Sreejith Punnapuzha <Sreejith.Punnapuzha@outlook.com>
62 lines
1.9 KiB
Smarty
62 lines
1.9 KiB
Smarty
#!/bin/sh
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{{/*
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Copyright 2017 AT&T Intellectual Property. All other rights reserved.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/}}
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set -ex
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BACKUP_DIR="/var/lib/etcd/backup"
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BACKUP_LOG={{ .Values.backup.backup_log_file | quote }}
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NUM_TO_KEEP={{ .Values.backup.no_backup_keep | quote }}
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SKIP_BACKUP=0
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etcdbackup() {
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etcdctl snapshot save $BACKUP_DIR/etcd-backup-$(date +"%m-%d-%Y-%H-%M-%S").db >> $BACKUP_LOG
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BACKUP_RETURN_CODE=$?
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if [[ $BACKUP_RETURN_CODE != 0 ]]; then
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echo "There was an error backing up the databases. Return code was $BACKUP_RETURN_CODE."
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exit $BACKUP_RETURN_CODE
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fi
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LATEST_BACKUP=`ls -t $BACKUP_DIR | head -1`
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echo "Archiving $LATEST_BACKUP..."
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cd $BACKUP_DIR
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tar -czf $BACKUP_DIR/$LATEST_BACKUP.tar.gz $LATEST_BACKUP
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rm -rf $LATEST_BACKUP
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echo "Clearing earliest backups..."
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NUM_LOCAL_BACKUPS=`ls -ld $BACKUP_DIR | wc -l`
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while [ $NUM_LOCAL_BACKUPS -gt $NUM_TO_KEEP ]
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do
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EARLIEST_BACKUP=`ls -tr $BACKUP_DIR | head -1`
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echo "Deleting $EARLIEST_BACKUP..."
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rm -rf "$BACKUP_DIR/$EARLIEST_BACKUP"
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NUM_LOCAL_BACKUPS=`ls -ld $BACKUP_DIR | wc -l`
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done
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}
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if ! [ -x "$(which etcdctl)" ]; then
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echo "ERROR: etcdctl not available, Please use the correct image."
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SKIP_BACKUP=1
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fi
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if [ ! -d "$BACKUP_DIR" ]; then
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echo "ERROR: $BACKUP_DIR doesn't exist, Backup will not continue"
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SKIP_BACKUP=1
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fi
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if [ $SKIP_BACKUP == '0' ]; then
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etcdbackup
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else
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echo "Error: etcd backup failed."
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exit 1
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fi
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