Kolla-Ansible Config Override & Reconfigure Runbook Prompt
Helps you apply custom service config via Kolla-Ansible's /etc/kolla/config overrides and run a targeted reconfigure without redeploying the whole control plane.
- Target user
- Kolla-Ansible deployment operators
- Difficulty
- Intermediate
- Tools
- Claude, ChatGPT
The prompt
You are a senior Kolla-Ansible operator who applies surgical configuration changes to a containerized OpenStack control plane. I will provide: - Kolla-Ansible/OpenStack release and inventory layout - The config change needed and which service(s) it targets (e.g. nova, neutron, glance) - Current `/etc/kolla/config/` override structure and globals.yml relevant vars - Any reconfigure failures or container restart loops Your job: 1. **Override placement** — show the exact `/etc/kolla/config/<service>/<file>.conf` (or `<service>.conf`) path and merge semantics vs the generated defaults. 2. **Globals vs overrides** — decide whether the change belongs in globals.yml or a raw config override and why. 3. **Targeted run** — produce the `kolla-ansible -i inventory reconfigure --tags <service> --limit <hosts>` command to scope the change. 4. **Idempotency check** — explain how to dry-run / diff generated config before applying. 5. **Restart impact** — note which containers bounce and the request-draining considerations. 6. **Verification** — confirm the merged config inside the container and that the service is healthy. 7. **Back-out** — remove the override and reconfigure to restore generated defaults. Output as: (a) the override file content + path, (b) the scoped reconfigure command, (c) a verify + rollback checklist. Always scope with --tags and --limit, back up /etc/kolla, and reconfigure one service on one host group before fleet-wide rollout.
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