[MariaDB] Fix backup/restore scripts for MariaDB 10.6

This patch adds database sys to the list of databases
to be ignored by backup/restore scripts in mariadb chart.

Change-Id: Ida7965bc583ada2c7ca4800c8ff5d6761fb3913a

mariadb/Chart.yaml

@@ -15,7 +15,7 @@ apiVersion: v1
 appVersion: v10.2.31
 description: OpenStack-Helm MariaDB
 name: mariadb
-version: 0.2.22
+version: 0.2.23
 home: https://mariadb.com/kb/en/
 icon: http://badges.mariadb.org/mariadb-badge-180x60.png
 sources:

mariadb/templates/bin/_backup_mariadb.sh.tpl

@@ -44,9 +44,9 @@ dump_databases_to_directory() {
   if [[ "${SCOPE}" == "all" ]]; then
     MYSQL_DBNAMES=( $($MYSQL --silent --skip-column-names -e \
        "show databases;" | \
-       egrep -vi 'information_schema|performance_schema|mysql') )
+       grep -ivE 'information_schema|performance_schema|mysql|sys') )
   else
-    if [[ "${SCOPE}" != "information_schema" && "${SCOPE}" != "performance_schema" && "${SCOPE}" != "mysql" ]]; then
+    if [[ "${SCOPE}" != "information_schema" && "${SCOPE}" != "performance_schema" && "${SCOPE}" != "mysql" && "${SCOPE}" != "sys" ]]; then
       MYSQL_DBNAMES=( ${SCOPE} )
     else
       log ERROR "It is not allowed to backup database ${SCOPE}."

mariadb/templates/bin/_restore_mariadb.sh.tpl

@@ -68,7 +68,8 @@ get_databases() {
 
   if [[ -e ${TMP_DIR}/db.list ]]
   then
-    DBS=$(cat ${TMP_DIR}/db.list )
+    DBS=$(cat ${TMP_DIR}/db.list | \
+              grep -ivE 'information_schema|performance_schema|mysql|sys' )
   else
     DBS=" "
   fi

releasenotes/notes/mariadb.yaml

@@ -38,4 +38,5 @@ mariadb:
   - 0.2.20 Migrated CronJob resource to batch/v1 API version & PodDisruptionBudget to policy/v1; Uplift Mariadb-ingress to 1.1.3
   - 0.2.21 Fix mysql exporter user privileges
   - 0.2.22 Fix ingress cluster role privileges
+  - 0.2.23 Fix backup script by ignoring sys database for MariaDB 10.6 compartibility
 ...