CORTX-28892 : Write wrappers to get disk and cvg ids from gconf

[akash2144]

Signed-off-by: Akash Dudhane akash.a.dudhane@seagate.com

Problem Statement

• Write wrappers to get disk and cvg ids from gconf

Design

• Added 3 functions to: Return list of CVGs for any given node using search APIs Return list of disks for any given node and CVG using search APIs Return list of disks for any given node using search APIs

Coding

• [x] Coding conventions are followed and code is consistent

Testing

• [x] Unit and System Tests are added
• [x] Test Cases cover Happy Path, Non-Happy Path and Scalability
• [x] Testing was performed with RPM

Review Checklist

• [x] PR is self reviewed
• [x] JIRA number/GitHub Issue added to PR
• [x] Jira and state/status is updated and JIRA is updated with PR link
• [x] Check if the description is clear and explained
• [ ] Side effects on other features (deployment/upgrade)? [Y/N] N
• [ ] Dependencies on other component(s)? [Y/N] N
• If yes for above point, post link to the corresponding PR.

Review Checklist

• [ ] Is perfline test run and the report with and without the changes updated in the PR? [Y/N]:

Documentation

Checklist for Author

• [ ] Changes done to WIKI / Confluence page / Quick Start Guide

[akash2144]

Test Details :

By calling API from HA utils we will get the list of CVG's & Disks

[root@cortx-ha-headless-svc /]# python3 test_conf_store_search_api.py
2022-03-03 12:06:48 test_conf_store_search_api [89]: INFO [init] Started logging for service test_conf_store_search_api
******** Testing confstore search APIs for data and server PODs ********
2022-03-03 12:06:48 test_conf_store_search_api [89]: INFO [set_cluster_cardinality] Cluster cardinality: number of nodes 6, machine ids for nodes ['a94b5143999447aeb1f735b6e53931c4', 'f32db33f32a54927a91e52e3ec9c491a', '4368536608504e3a973dd16c066884ff', '39c238927338485c8bccfcbe1effe68f', '73aadfc83aab4cd1ad965ac2825345af', '21d6291109304485b3daff43a06cff77']
Following clsuter cardinality is set: (6, ['a94b5143999447aeb1f735b6e53931c4', 'f32db33f32a54927a91e52e3ec9c491a', '4368536608504e3a973dd16c066884ff', '39c238927338485c8bccfcbe1effe68f', '73aadfc83aab4cd1ad965ac2825345af', '21d6291109304485b3daff43a06cff77'])

**************   Testing confstore search APIs for CVG & disk  ***********

CVG's presents under node 21d6291109304485b3daff43a06cff77 are :  ['cvg-01', 'cvg-02']

Disks present under node 21d6291109304485b3daff43a06cff77 are :  ['/dev/sdd', '/dev/sde', '/dev/sdc', '/dev/sdg', '/dev/sdh', '/dev/sdf']

Disk present under node 21d6291109304485b3daff43a06cff77 & CVG cvg-01 are :  ['/dev/sdd', '/dev/sde', '/dev/sdc']