AAP-54538: remove outdated PVC on reinstallation

[hasys]

Jira Issue: https://issues.redhat.com/browse/AAP-54538

Description

Upgrade works now, but old PVC keeps running and taking resources. We want to remove PVC on upgrade/install if it is still present. The logic is duplicated as on the delete phase.

Testing

Steps to test

1. Pull down the PR
2. ...
3. ...

Scenarios tested

Production deployment

• This code change is ready for production on its own
• This PR should be released in 2.4 (cherry-pick should be created)
• This PR should be released in 2.5 (cherry-pick should be created)
• This PR should be released in 2.6 (cherry-pick should be created)
• This code change requires the following considerations before going to production:

---

Note

Adds an upgrade step to delete the legacy Chatbot PVC before deploying the service.

• Chatbot role:
  • Upgrade step: In roles/chatbot/tasks/main.yml, include upgrade_chatbot.yml to clean up old PVC before deployment.
  • New task: roles/chatbot/tasks/upgrade_chatbot.yml removes legacy PersistentVolumeClaim ({{ ansible_operator_meta.name }}-chatbot-pvc) in {{ ansible_operator_meta.namespace }} using kubernetes.core.k8s with wait: yes.

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[TamiTakamiya]

LGTM!