add galera_database_backup job

Related: PROD-27547(PROD:27547)
         PROD-27557(PROD:27557)

Change-Id: I074c9e667fccae67ea2e1c7452918d7c6f258446
(cherry picked from commit f10aa0d15d5d40170c806a9058e74e1dd5d1a352)
diff --git a/jenkins/client/job/deploy/galera_database_backup.yml b/jenkins/client/job/deploy/galera_database_backup.yml
new file mode 100644
index 0000000..e78c29b
--- /dev/null
+++ b/jenkins/client/job/deploy/galera_database_backup.yml
@@ -0,0 +1,33 @@
+parameters:
+  jenkins:
+    client:
+      job:
+        galera_backup_database:
+          type: workflow-scm
+          name: galera-database-backup
+          display_name: "Galera database backup"
+          discard:
+            build:
+              keep_num: 50
+          concurrent: true
+          scm:
+            type: git
+            url: "${_param:jenkins_gerrit_url}/mk/mk-pipelines"
+            branch: "${_param:jenkins_pipelines_branch}"
+            credentials: "gerrit"
+            script: galera-database-backup-pipeline.groovy
+          param:
+            SALT_MASTER_CREDENTIALS:
+              type: string
+              default: "salt"
+            OVERRIDE_BACKUP_NODE:
+              type: string
+              default: "none"
+            SALT_MASTER_URL:
+              type: string
+              default: "${_param:jenkins_salt_api_url}"
+            ASK_CONFIRMATION:
+              type: boolean
+              default: 'true'
+          triggers:
+            - timed: "${_param:backup_min} ${_param:backup_hour} ${_param:backup_day_of_month} ${_param:backup_month} ${_param:backup_day_of_week}"