openshift-install-power
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Add Troubleshooting Guide and Improve Installer Script Variable Validation
This PR enhances the installer script to improve usability and reduce common setup issues.
Key Updates:
- Added clearer validation and guidance for required environment variables (IBMCLOUD_API_KEY, RELEASE_VER, etc.)
- Introduced detailed echo messages explaining defaults and how to override them (e.g., RHCOS version).
- Clarified the default RHCOS image version (8.3) and provided explicit guidance on changing image versions.
- New troubleshooting.md under docs/
- documents common OpenShift on PowerVS installation issues, their causes, and step-by-step resolutions.
- Covers Terraform state issues, Bastion OS compatibility, reinstallation conflicts, remote-exec failures, LPAR health issues, and missing image errors.
- References verified solutions and relevant IBM/PowerVS documentation for easier user debugging.
Testing:
- Verified successful execution by running the installer script end-to-end after these updates.
Context:
These changes address issues observed when users and/or customers encounter missing or outdated image references during installation. The improved checks and messages help users identify configuration gaps earlier and adjust environment variables accordingly.