Migrate hammerdb workload from benchmark-operator

[ebattat]

Type of change

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• bug
• enhancement
• documentation
• dependencies

Description

1. Implementing HammerDB in benchmark-runner for MariaDB, PostgreSQL, MSSQL Pod and VM.
   Database version:
   • MariaDB 10.5 Centos stream9
   • PostgreSQL 13 Centos stream9
   • MSSQL 2022 Centos stream9
     Each database supporting the following storage type:
     - Ephemeral
     - LSO
     - ODF
2. Per-database Jinja2 templates (Pod/VM) with configurable resources, node selectors, and storage types (ODF, LSO, Ephemeral)
3. virtctl SSH/SCP support for retrieving results from VMs and wait_for_vm_workload_completed
4. Results uploaded to Elasticsearch per thread
5. HammerDB Client Dockerfiles for CentOS 9/10

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