OCPBUGS-33370: Improve baremetal gather error message

[honza]

masters.json is only written when bootstrap runs. Provide a hint that if the file is missing, perhaps there were errors that prevented bootstrap from starting.

[openshift-ci-robot]

@honza: This pull request references Jira Issue OCPBUGS-33370, which is invalid:

• expected the bug to target either version "4.18." or "openshift-4.18.", but it targets "4.16.z" instead

Comment /jira refresh to re-evaluate validity if changes to the Jira bug are made, or edit the title of this pull request to link to a different bug.

The bug has been updated to refer to the pull request using the external bug tracker.

In response to this:

masters.json is only written when bootstrap runs. Provide a hint that if the file is missing, perhaps there were errors that prevented bootstrap from starting.

Instructions for interacting with me using PR comments are available here. If you have questions or suggestions related to my behavior, please file an issue against the openshift-eng/jira-lifecycle-plugin repository.

[honza]

/jira refresh

[openshift-ci-robot]

@honza: This pull request references Jira Issue OCPBUGS-33370, which is valid. The bug has been moved to the POST state.

3 validation(s) were run on this bug

• bug is open, matching expected state (open)
• bug target version (4.18.0) matches configured target version for branch (4.18.0)
• bug is in the state ASSIGNED, which is one of the valid states (NEW, ASSIGNED, POST)

Requesting review from QA contact:
/cc @jadhaj

In response to this:

/jira refresh

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[openshift-ci]

[APPROVALNOTIFIER] This PR is NOT APPROVED

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[openshift-ci]

@honza: The following tests failed, say /retest to rerun all failed tests or /retest-required to rerun all mandatory failed tests:

Test name	Commit	Details	Required	Rerun command
ci/prow/e2e-metal-ipi-ovn	c7b927e	link	false	/test e2e-metal-ipi-ovn
ci/prow/e2e-metal-ipi-ovn-swapped-hosts	c7b927e	link	false	/test e2e-metal-ipi-ovn-swapped-hosts
ci/prow/e2e-metal-ipi-ovn-dualstack	c7b927e	link	false	/test e2e-metal-ipi-ovn-dualstack
ci/prow/e2e-metal-ipi-ovn-virtualmedia	c7b927e	link	false	/test e2e-metal-ipi-ovn-virtualmedia
ci/prow/e2e-metal-single-node-live-iso	c7b927e	link	false	/test e2e-metal-single-node-live-iso
ci/prow/e2e-metal-assisted	c7b927e	link	false	/test e2e-metal-assisted

Full PR test history. Your PR dashboard.

Instructions for interacting with me using PR comments are available here. If you have questions or suggestions related to my behavior, please file an issue against the kubernetes-sigs/prow repository. I understand the commands that are listed here.

[honza]

/retest-required