Below enhancements are made to Mariadb backup:
1) Used new helm-toolkit function to send/retrieve Mariadb
backups to/from RGW via OpenStack Swift API.
2) Modified the backup script such that the database backup
tarball can be sent to RGW.
3) Added a keystone user for RGW access.
4) Added a secret for OpenStack Swift API access.
5) Changed the cronjob image and runAsUser
6) Modified the restore script so that archives stored remotely
on RGW can be used for the restore data source.
7) Added functions to the restore script to retrieve data
from an archive for tables, table rows and table schema of a databse
8) Added a secret containing all the backup/restore related
configuration needed for invoking the backup/restore operation
from a different application or namespace.
Change-Id: Iadb9438fe419cded374897b43337039609077e61
573ac49939