Add mariadb backup capability to mariadb chart
* backup script for mariadb * restore script for mariadb * cronjob to control backup automation for mariadb * add parameters to values.yaml Change-Id: Ib0b6744f519ea1919507df0c2a50b45b27ac86ab
This commit is contained in:
Koffi Nogbe
Tin Lam
parent
8673bdda53
commit
2379b94b3d
132
mariadb/templates/bin/_backup_mariadb.sh.tpl
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132
mariadb/templates/bin/_backup_mariadb.sh.tpl
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#!/bin/bash
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# Copyright 2018 The Openstack-Helm Authors.
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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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, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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set -x
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BACKUPS_DIR=${MARIADB_BACKUP_BASE_DIR}/db/${MARIADB_POD_NAMESPACE}/mariadb/current
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ARCHIVE_DIR=${MARIADB_BACKUP_BASE_DIR}/db/${MARIADB_POD_NAMESPACE}/mariadb/archive
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MYSQL="mysql \
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--defaults-file=/etc/mysql/admin_user.cnf \
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--host=$MARIADB_SERVER_SERVICE_HOST \
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--connect-timeout 10"
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MYSQLDUMP="mysqldump \
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--defaults-file=/etc/mysql/admin_user.cnf \
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--host=$MARIADB_SERVER_SERVICE_HOST"
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delete_files() {
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files_to_delete=("$@")
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for f in "${files_to_delete[@]}"
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do
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if [ -f $f ]
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then
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echo "Deleting file $f."
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rm -rf $f
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fi
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done
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}
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days_difference() {
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archive_date=$( date --date="$1" +%s )
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if [ "$?" -ne 0 ]
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then
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day_delta=0
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fi
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current_date=$( date +%s )
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date_delta=$(($current_date-$archive_date))
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if [ "$date_delta" -lt 0 ]
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then
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day_delta=0
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else
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day_delta=$(($date_delta/86400))
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fi
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echo $day_delta
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}
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DBNAME=( $($MYSQL --silent --skip-column-names -e \
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"show databases;" | \
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egrep -vi 'information_schema|performance_schema|mysql') )
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#check if there is a database to backup, otherwise exit
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if [[ -z "${DBNAME// }" ]]
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then
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echo "There is no database to backup"
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exit 0
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fi
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#Create archive and backup directories.
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mkdir -p $BACKUPS_DIR $ARCHIVE_DIR
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#Create a list of Databases
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printf "%s\n" "${DBNAME[@]}" > $BACKUPS_DIR/db.list
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#Retrieve and create the GRANT files per DB
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for db in "${DBNAME[@]}"
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do
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echo $($MYSQL --skip-column-names -e "select concat('show grants for ',user,';') \
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from mysql.db where ucase(db)=ucase('$db');") | \
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$MYSQL --silent --skip-column-names 2>grant_err.log > $BACKUPS_DIR/${db}_grant.sql
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if [ "$?" -eq 0 ]
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then
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sed -i 's/$/;/' $BACKUPS_DIR/${db}_grant.sql
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else
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cat grant_err.log
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fi
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done
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#Dumping the database
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#DATE=$(date +"%Y_%m_%d_%H_%M_%S")
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DATE=$(date +'%Y-%m-%dT%H:%M:%SZ')
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$MYSQLDUMP $MYSQL_BACKUP_MYSQLDUMP_OPTIONS "${DBNAME[@]}" \
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> $BACKUPS_DIR/mariadb.all.sql 2>dberror.log
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if [[ $? -eq 0 && -s $BACKUPS_DIR/mariadb.all.sql ]]
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then
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#Archive the current db files
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pushd $BACKUPS_DIR 1>/dev/null
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tar zcvf $ARCHIVE_DIR/mariadb.all.${DATE}.tar.gz *
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ARCHIVE_RET=$?
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popd 1>/dev/null
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else
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#TODO: This can be convert into mail alert of alert send to a monitoring system
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echo "Backup failed and need attention."
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cat dberror.log
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exit 1
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fi
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#Remove the current backup
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if [ -d $BACKUPS_DIR ]
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then
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rm -rf $BACKUPS_DIR/*.sql
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fi
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#Only delete the old archive after a successful archive
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if [ $ARCHIVE_RET -eq 0 ]
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then
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if [ "$MARIADB_BACKUP_DAYS_TO_KEEP" -gt 0 ]
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then
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echo "Deleting backups older than $MARIADB_BACKUP_DAYS_TO_KEEP days"
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if [ -d $ARCHIVE_DIR ]
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then
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for archive_file in $(ls -1 $ARCHIVE_DIR/*.gz)
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do
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archive_date=$( echo $archive_file | awk -F/ '{print $NF}' | cut -d'.' -f 3)
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if [ "$(days_difference $archive_date)" -gt "$MARIADB_BACKUP_DAYS_TO_KEEP" ]
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then
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rm -rf $archive_file
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fi
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done
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fi
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fi
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fi
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269
mariadb/templates/bin/_restore_mariadb.sh.tpl
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269
mariadb/templates/bin/_restore_mariadb.sh.tpl
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#!/bin/bash
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# Copyright 2018 The Openstack-Helm Authors.
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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ARCHIVE_DIR=${MARIADB_BACKUP_BASE_DIR}/db/${MARIADB_POD_NAMESPACE}/mariadb/archive
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RESTORE_DIR=${MARIADB_BACKUP_BASE_DIR}/db/${MARIADB_POD_NAMESPACE}/mariadb/restore
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ARGS=("$@")
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LIST_OPTIONS=(list_archives list_databases)
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#Create Restore Directory
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mkdir -p $RESTORE_DIR
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MYSQL="mysql \
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--defaults-file=/etc/mysql/admin_user.cnf \
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--host=$MARIADB_SERVER_SERVICE_HOST \
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--connect-timeout 10"
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#Delete file
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delete_files() {
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files_to_delete=("$@")
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for f in "${files_to_delete[@]}"
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do
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if [ -f $f ]
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then
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rm -rf $f
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fi
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done
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}
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#Display all archives
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list_archives() {
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if [ -d ${ARCHIVE_DIR} ]
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then
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archives=$(find ${ARCHIVE_DIR}/ -iname "*.gz" -print)
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echo "All Archives"
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echo "=================================="
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for archive in $archives
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do
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echo $archive | cut -d '/' -f 8
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done
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exit 0
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else
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echo "Archive directory is not available."
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exit 1
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fi
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}
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#Return all database from an archive
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get_databases() {
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archive_file=$1
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if [ -e ${ARCHIVE_DIR}/${archive_file} ]
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then
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files_to_purge=$(find $RESTORE_DIR/ -iname "*.sql" -print)
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delete_files $files_to_purge
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tar zxvf ${ARCHIVE_DIR}/${archive_file} -C ${RESTORE_DIR} 1>/dev/null
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if [ -e ${RESTORE_DIR}/db.list ]
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then
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DBS=$(cat ${RESTORE_DIR}/db.list )
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else
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DBS=" "
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fi
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else
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DBS=" "
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fi
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}
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#Display all database from an archive
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list_databases() {
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archive_file=$1
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get_databases $archive_file
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#echo $DBS
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if [ -n "$DBS" ]
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then
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echo " "
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echo "Databases in the archive $archive_file"
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echo "================================================================="
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for db in $DBS
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do
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echo $db
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done
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fi
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}
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#Restore a single database
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restore_single_db() {
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single_db_name=$1
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if [ -z "$single_db_name" ]
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then
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usage
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exit 1
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fi
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if [ -f ${ARCHIVE_DIR}/${archive_file} ]
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then
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files_to_purge=$(find $RESTORE_DIR/ -iname "*.sql" -print)
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delete_files $files_to_purge
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tar zxvf ${ARCHIVE_DIR}/${archive_file} -C ${RESTORE_DIR} 1>/dev/null
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if [ -f ${RESTORE_DIR}/mariadb.all.sql ]
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then
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$MYSQL --one-database $single_db_name < ${RESTORE_DIR}/mariadb.all.sql
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if [ "$?" -eq 0 ]
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then
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echo "Database $single_db_name Restore successful."
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else
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echo "Database $single_db_name Restore failed."
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fi
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if [ -f ${RESTORE_DIR}/${single_db_name}_grant.sql ]
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then
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$MYSQL < ${RESTORE_DIR}/${single_db_name}_grant.sql
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if [ "$?" -eq 0 ]
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then
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echo "Database $single_db_name Permission Restore successful."
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else
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echo "Database $single_db_name Permission Restore failed."
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fi
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else
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echo "There is no permission file available for $single_db_name"
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fi
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else
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echo "There is no database file available to restore from"
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fi
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else
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echo "Archive does not exist"
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fi
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}
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#Restore all the databases
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restore_all_dbs() {
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if [ -f ${ARCHIVE_DIR}/${archive_file} ]
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then
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files_to_purge=$(find $RESTORE_DIR/ -iname "*.sql" -print)
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delete_files $files_to_purge
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tar zxvf ${ARCHIVE_DIR}/${archive_file} -C ${RESTORE_DIR} 1>/dev/null
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if [ -f ${RESTORE_DIR}/mariadb.all.sql ]
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then
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$MYSQL < ${RESTORE_DIR}/mariadb.all.sql
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if [ "$?" -eq 0 ]
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then
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echo "Databases $( echo $DBS | tr -d '\n') Restore successful."
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else
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echo "Databases $( echo $DBS | tr -d '\n') Restore failed."
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fi
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if [ -n "$DBS" ]
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then
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for db in $DBS
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do
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if [ -f ${RESTORE_DIR}/${db}_grant.sql ]
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then
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$MYSQL < ${RESTORE_DIR}/${db}_grant.sql
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if [ "$?" -eq 0 ]
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then
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echo "Database $db Permission Restore successful."
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else
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echo "Database $db Permission Restore failed."
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fi
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else
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echo "There is no permission file available for $db"
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fi
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done
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else
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echo "There is no database file available to restore from"
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fi
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else
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echo "Archive does not exist"
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fi
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fi
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}
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usage() {
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echo "Usage:"
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echo "$0 options"
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echo "============================="
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echo "options: "
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echo "list_archives"
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echo "list_databases archive_filename"
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echo "restore archive_filename [DB_NAME or ALL/all]"
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}
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is_Option() {
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opts=$1
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param=$2
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find=0
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for opt in $opts
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do
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if [ "$opt" == "$param" ]
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then
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find=1
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fi
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done
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echo $find
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}
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#Main
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if [ ${#ARGS[@]} -gt 3 ]
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then
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usage
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exit
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elif [ ${#ARGS[@]} -eq 1 ]
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then
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if [ $(is_Option "$LIST_OPTIONS" ${ARGS[0]}) -eq 1 ]
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then
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${ARGS[0]}
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exit
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else
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usage
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exit
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fi
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elif [ ${#ARGS[@]} -eq 2 ]
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then
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if [ "${ARGS[0]}" == "list_databases" ]
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then
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list_databases ${ARGS[1]}
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exit 0
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else
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usage
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exit
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fi
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elif [ ${#ARGS[@]} -eq 3 ]
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then
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if [ "${ARGS[0]}" != "restore" ]
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then
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usage
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exit 1
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else
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if [ -f ${ARCHIVE_DIR}/${ARGS[1]} ]
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then
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#Get all the databases in that archive
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get_databases ${ARGS[1]}
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#check if the requested database is available in the archive
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if [ $(is_Option "$DBS" ${ARGS[2]}) -eq 1 ]
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then
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echo "Restoring Database ${ARGS[2]} And Grants"
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echo "Creating Database ${ARGS[2]} if it does not exist"
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$MYSQL -e "CREATE DATABASE IF NOT EXISTS \`${ARGS[2]}\`"
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restore_single_db ${ARGS[2]}
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exit 0
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elif [ "$( echo ${ARGS[2]} | tr '[a-z]' '[A-Z]')" == "ALL" ]
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then
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echo "Restoring All The Database."
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echo "Creating Database if it does not exist"
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for db in $DBS
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do
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$MYSQL -e "CREATE DATABASE IF NOT EXISTS \`$db\`"
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done
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restore_all_dbs
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exit 0
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else
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echo "Database ${ARGS[2]} does not exist."
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fi
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else
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echo "Archive file not found"
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fi
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fi
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else
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usage
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exit
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fi
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@ -36,4 +36,10 @@ data:
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{{ tuple "bin/_start.py.tpl" . | include "helm-toolkit.utils.template" | indent 4 }}
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stop.sh: |
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{{ tuple "bin/_stop.sh.tpl" . | include "helm-toolkit.utils.template" | indent 4 }}
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{{- if .Values.conf.backup.enabled }}
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backup_mariadb.sh: |
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{{ tuple "bin/_backup_mariadb.sh.tpl" . | include "helm-toolkit.utils.template" | indent 4 }}
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restore_mariadb.sh: |
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{{ tuple "bin/_restore_mariadb.sh.tpl" . | include "helm-toolkit.utils.template" | indent 4 }}
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{{- end }}
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{{- end }}
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98
mariadb/templates/cron-job-backup-mariadb.yaml
Normal file
98
mariadb/templates/cron-job-backup-mariadb.yaml
Normal file
@ -0,0 +1,98 @@
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{{/*
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Copyright 2017 The Openstack-Helm Authors.
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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.
|
||||
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.
|
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*/}}
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{{- if .Values.manifests.cron_job_mariadb_backup }}
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{{- $envAll := . }}
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{{- $serviceAccountName := "mariadb-backup" }}
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{{ tuple $envAll "mariadb_account" $serviceAccountName | include "helm-toolkit.snippets.kubernetes_pod_rbac_serviceaccount" }}
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---
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apiVersion: batch/v1beta1
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kind: CronJob
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metadata:
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name: mariadb-backup
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annotations:
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{{ tuple $envAll | include "helm-toolkit.snippets.release_uuid" }}
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spec:
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schedule: {{ .Values.jobs.backup_mariadb.cron | quote }}
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successfulJobsHistoryLimit: {{ .Values.jobs.backup_mariadb.history.success }}
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failedJobsHistoryLimit: {{ .Values.jobs.backup_mariadb.history.failed }}
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concurrencyPolicy: Forbid
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jobTemplate:
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metadata:
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labels:
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{{ tuple $envAll "mariadb-backup" "backup" | include "helm-toolkit.snippets.kubernetes_metadata_labels" | indent 8 }}
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spec:
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template:
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metadata:
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labels:
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{{ tuple $envAll "mariadb-backup" "backup" | include "helm-toolkit.snippets.kubernetes_metadata_labels" | indent 12 }}
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spec:
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serviceAccountName: {{ $serviceAccountName }}
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restartPolicy: OnFailure
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nodeSelector:
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{{ .Values.labels.job.node_selector_key }}: {{ .Values.labels.job.node_selector_value }}
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containers:
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- command:
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- /tmp/backup_mariadb.sh
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env:
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- name: MARIADB_BACKUP_BASE_DIR
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value: {{ .Values.conf.backup.base_path }}
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- name: MYSQL_BACKUP_MYSQLDUMP_OPTIONS
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value: {{ .Values.conf.backup.mysqldump_options }}
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- name: MARIADB_BACKUP_DAYS_TO_KEEP
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value: "{{ .Values.conf.backup.days_of_backup_to_keep }}"
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||||
- name: MARIADB_POD_NAMESPACE
|
||||
valueFrom:
|
||||
fieldRef:
|
||||
fieldPath: metadata.namespace
|
||||
{{ tuple $envAll "mariadb_backup" | include "helm-toolkit.snippets.image" | indent 12 }}
|
||||
{{ tuple $envAll $envAll.Values.pod.resources.jobs.mariadb_backup | include "helm-toolkit.snippets.kubernetes_resources" | indent 12 }}
|
||||
name: mariadb-backup
|
||||
volumeMounts:
|
||||
- mountPath: /tmp/backup_mariadb.sh
|
||||
name: mariadb-bin
|
||||
readOnly: true
|
||||
subPath: backup_mariadb.sh
|
||||
- mountPath: {{ .Values.conf.backup.base_path }}
|
||||
name: mariadb-backup-dir
|
||||
- name: mariadb-secrets
|
||||
mountPath: /etc/mysql/admin_user.cnf
|
||||
subPath: admin_user.cnf
|
||||
readOnly: true
|
||||
restartPolicy: OnFailure
|
||||
serviceAccount: {{ $serviceAccountName }}
|
||||
serviceAccountName: {{ $serviceAccountName }}
|
||||
volumes:
|
||||
- name: mariadb-secrets
|
||||
secret:
|
||||
secretName: mariadb-secrets
|
||||
defaultMode: 384
|
||||
- configMap:
|
||||
defaultMode: 365
|
||||
name: mariadb-bin
|
||||
name: mariadb-bin
|
||||
{{- if and .Values.volume.backup.enabled .Values.manifests.pvc_backup }}
|
||||
- name: mariadb-backup-dir
|
||||
persistentVolumeClaim:
|
||||
claimName: mariadb-backup-data
|
||||
{{- else }}
|
||||
- hostPath:
|
||||
path: {{ .Values.conf.backup.base_path }}
|
||||
type: DirectoryOrCreate
|
||||
name: mariadb-backup-dir
|
||||
{{- end }}
|
||||
{{- end }}
|
||||
30
mariadb/templates/mariadb-backup-pvc.yaml
Normal file
30
mariadb/templates/mariadb-backup-pvc.yaml
Normal file
@ -0,0 +1,30 @@
|
||||
{{/*
|
||||
Copyright 2017 The Openstack-Helm Authors.
|
||||
|
||||
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.
|
||||
*/}}
|
||||
|
||||
{{- if and .Values.volume.backup.enabled .Values.manifests.pvc_backup }}
|
||||
---
|
||||
kind: PersistentVolumeClaim
|
||||
apiVersion: v1
|
||||
metadata:
|
||||
name: mariadb-backup-data
|
||||
spec:
|
||||
accessModes: [ "ReadWriteOnce" ]
|
||||
resources:
|
||||
requests:
|
||||
storage: {{ .Values.volume.backup.size }}
|
||||
storageClassName: {{ .Values.volume.backup.class_name }}
|
||||
{{- end }}
|
||||
|
||||
@ -29,6 +29,7 @@ images:
|
||||
prometheus_mysql_exporter_helm_tests: docker.io/openstackhelm/heat:newton
|
||||
dep_check: quay.io/stackanetes/kubernetes-entrypoint:v0.3.1
|
||||
image_repo_sync: docker.io/docker:17.07.0
|
||||
mariadb_backup: docker.io/openstackhelm/mariadb:10.2.18
|
||||
pull_policy: "IfNotPresent"
|
||||
local_registry:
|
||||
active: false
|
||||
@ -49,6 +50,9 @@ labels:
|
||||
error_server:
|
||||
node_selector_key: openstack-control-plane
|
||||
node_selector_value: enabled
|
||||
job:
|
||||
node_selector_key: openstack-control-plane
|
||||
node_selector_value: enabled
|
||||
|
||||
pod:
|
||||
user:
|
||||
@ -119,11 +123,13 @@ pod:
|
||||
limits:
|
||||
memory: "1024Mi"
|
||||
cpu: "2000m"
|
||||
|
||||
jobs:
|
||||
exporter_create_sql_user:
|
||||
backoffLimit: 87600
|
||||
activeDeadlineSeconds: 3600
|
||||
mariadb_backup:
|
||||
requests:
|
||||
memory: "128Mi"
|
||||
cpu: "100m"
|
||||
limits:
|
||||
memory: "1024Mi"
|
||||
cpu: "2000m"
|
||||
|
||||
dependencies:
|
||||
dynamic:
|
||||
@ -165,6 +171,10 @@ dependencies:
|
||||
services:
|
||||
- endpoint: internal
|
||||
service: local_image_registry
|
||||
mariadb_backup:
|
||||
services:
|
||||
- endpoint: internal
|
||||
service: oslo_db
|
||||
|
||||
force_bootstrap: false
|
||||
|
||||
@ -173,9 +183,30 @@ volume:
|
||||
enabled: true
|
||||
class_name: general
|
||||
size: 5Gi
|
||||
backup:
|
||||
enabled: true
|
||||
class_name: general
|
||||
size: 5Gi
|
||||
|
||||
jobs:
|
||||
exporter_create_sql_user:
|
||||
backoffLimit: 87600
|
||||
activeDeadlineSeconds: 3600
|
||||
backup_mariadb:
|
||||
cron: "0 0 * * *"
|
||||
history:
|
||||
success: 3
|
||||
failed: 1
|
||||
|
||||
conf:
|
||||
ingress: null
|
||||
backup:
|
||||
enabled: true
|
||||
base_path: /var/backup
|
||||
mysqldump_options: >
|
||||
--single-transaction --quick --skip-opt
|
||||
--add-drop-database --add-drop-table --databases
|
||||
days_of_backup_to_keep: 3
|
||||
|
||||
database:
|
||||
config_override: null
|
||||
@ -292,6 +323,8 @@ manifests:
|
||||
deployment_error: true
|
||||
deployment_ingress: true
|
||||
job_image_repo_sync: true
|
||||
cron_job_mariadb_backup: false
|
||||
pvc_backup: false
|
||||
monitoring:
|
||||
prometheus:
|
||||
configmap_bin: true
|
||||
|
||||
Loading…
Reference in New Issue
Block a user