wpb-22439 wiab-staging: ansible prepare host for vm provisioning

[mohitrajain]

Summary of changes :

• Rename ansible templates for wiab-staging to make them generic
• Add wiab-staging VMs ansible inventory template to be populated by wiab-staging-provision.yml playbook
• Add ansible playbook for wiab-staging VM provisioning
• Add ansible inventory for playbook wiab-staging-provision.yml
• ansible wiab-staging inventory is tested here: Wpb 22439 postgresql repmgr node config #856

This ticket is part of cascading PRs:
#847 - minor fixes for bin/offline-deploy.sh and cd.sh terraform inventory
#848 - add terraform resources for wiab-staging
#849 - add cd_staging.sh script
#850 - GitHub workflow wiab staging - All the changes are being verified here
#851 - docs for wiab-staging are here
#852 - clean old wiab staging script and workflows
#853 - Testing wiab-staging solution for wire-server-5.14
#856 - postgresql repmgr node config

No labels:
The changes in the PR - can't be verified using Github workflows - will add an asciinema.

Change type

• Fix
• Feature
• Documentation
• Security / Upgrade

Basic information

• THIS CHANGE REQUIRES A DEPLOYMENT PACKAGE RELEASE
• THIS CHANGE REQUIRES A WIRE-DOCS RELEASE

Testing

• I ran/applied the changes myself, in a test environment.
• The CI job attached to this repo will test it for me.

Offline Build CI (label-based)

Add one or more labels to trigger offline builds:

• build-default - Full production build (ansible, terraform, all packages)
• build-demo - Demo/WIAB build
• build-min - Minimal build (fastest, essential charts only)
• build-all - Run all three builds

Note: No builds run by default. Add a label to trigger CI.

Tracking

• I added a new entry in an appropriate subdirectory of changelog.d
• I mentioned this PR in Jira, OR I mentioned the Jira ticket in this PR.
• I mentioned this PR in one of the issues attached to one of our repositories.

Knowledge Transfer

• An Asciinema session is attached to the Jira ticket.

Motivation

Objective

Reason

Use case

[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud