[AMBARI-21351] Add Support For MariaDB to Python Scripts - ASF JIRA

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Details

Type: Task
Status: Resolved
Priority: Critical
Resolution: Fixed
Affects Version/s: branch-feature-AMBARI-21348
Fix Version/s: branch-feature-AMBARI-21348
Component/s: None
Labels:
None

Epic Link:
Cross Stack Name Upgrades

Description

Some stacks, such as BigInights, support MariaDB as the database for Hive. When upgrading from BigInights to another stack, such as HDP, this causes the following exception when starting the Hive service:

```resource_management.core.exceptions.ExecutionFailed: Execution of 'service mysqld stop' returned 5. Redirecting to /bin/systemctl stop  mysqld.service
Failed to stop mysqld.service: Unit mysqld.service not loaded.```

This looks to be caused by the hard-coded reliance of mysqld in the Python scripts.