feat(alerts): add runbook_url for CollectorNodeDown alert

[jcantrill]

LOG-7256

Description

This PR:
*adds the runbook url for the CollectorNodeDownAlert

• depends on feat(clusterlogging): add runbook for CollectorNodeDown alert runbooks#436

Links

• https://redhat.atlassian.net/browse/LOG-7256

cc @vparfonov @Clee2691

Summary by CodeRabbit

• Documentation
  • Added runbook URL annotations to the CollectorNodeDown alert rule, enabling users to quickly access operational runbooks for troubleshooting collector node issues. Updates were applied across alerting configurations, providing direct remediation guidance links when alerts are triggered.

[openshift-ci]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: jcantrill

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[coderabbitai]

No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info

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Plan: Enterprise

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📥 Commits

Reviewing files that changed from the base of the PR and between 1e78ce5 and 022c623.

📒 Files selected for processing (2)

• bundle/manifests/collector_monitoring.coreos.com_v1_prometheusrule.yaml
• config/prometheus/collector_alerts.yaml

---

📝 Walkthrough

Walkthrough

A runbook_url annotation is added to the CollectorNodeDown alert rule in both the Prometheus alert configuration source and the generated CRD manifest, pointing to the corresponding runbook in the OpenShift runbooks repository.

Changes

CollectorNodeDown Alert Runbook URL

Layer / File(s)	Summary
Add runbook_url annotation to CollectorNodeDown alert config/prometheus/collector_alerts.yaml, bundle/manifests/collector_monitoring.coreos.com_v1_prometheusrule.yaml	The CollectorNodeDown alert gains a runbook_url annotation linking to the OpenShift runbooks repository in both the configuration source and generated manifest.

Estimated code review effort

🎯 1 (Trivial) | ⏱️ ~2 minutes

Poem

🐰 A runbook link, so small and bright,
For CollectorNodeDown alerts in the night,
Two files in sync, a simple pair,
Guidance for those who dare to care! 📚✨

🚥 Pre-merge checks | ✅ 5

✅ Passed checks (5 passed)

Check name	Status	Explanation
Title check	✅ Passed	The title clearly and concisely describes the main change: adding a runbook_url annotation to the CollectorNodeDown alert, which matches the actual changeset.
Description check	✅ Passed	The description includes the JIRA reference, explains the intent, mentions the dependency on another PR, and provides links. However, it lacks explicit /cc and /assign directives required by the template.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.
Linked Issues check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check	✅ Passed	Check skipped because no linked issues were found for this pull request.

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🧪 Generate unit tests (beta)

• Create PR with unit tests

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[jcantrill]

/retest

[openshift-ci]

@jcantrill: all tests passed!

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