chore: canary checker v1.1.3 blog

[yashmehrotra]

Summary by CodeRabbit

• New Features
  • Added support for chaining health checks, creating new checks from previous outputs, and targeting agents with flexible pattern-based selection.
  • Expanded HTTP and metrics checks with stronger auth, redirect handling, HAR capture, and TLS/mTLS options.
• Bug Fixes
  • Fixed issues affecting failure counts, uptime calculations, metric labels, orphaned scheduled checks, and missing transition timestamps.
• Chores
  • Removed long-deprecated check types and added clearer messages for unsupported usage.
  • Included upgrade guidance and updated event permissions for Kubernetes integrations.

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Project	Deployment	Actions	Updated (UTC)
docs	Ready	Preview	Jul 3, 2026 9:20am

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✅ Deploy Preview for canarychecker canceled.

Name	Link
🔨 Latest commit	a5b68a5
🔍 Latest deploy log	https://app.netlify.com/projects/canarychecker/deploys/6a477e79238dcb0007a14eca

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⚙️ Run configuration

Configuration used: Organization UI

Review profile: CHILL

Plan: Pro

Run ID: c24f7085-0bcf-4358-aa39-476939bcece1

📥 Commits

Reviewing files that changed from the base of the PR and between 310cbe4 and a5b68a5.

📒 Files selected for processing (1)

• mission-control/blog/canary-checker-v1.2.md

Walkthrough

Adds a new release-notes blog document for Canary Checker v1.2, describing composable health checks, transformed canaries, agent selectors, TLS support, HTTP check enhancements, metrics/operational fixes, deprecation cleanup, upgrade guidance, and contributors.

Changes

Release notes documentation

Layer / File(s)	Summary
Front-matter and overview mission-control/blog/canary-checker-v1.2.md	Adds document front-matter and a v1.2 release overview summarizing composability, security, correctness, and cleanup themes.
New feature documentation mission-control/blog/canary-checker-v1.2.md	Describes request chaining with dependsOn, transformed canaries with orphan cleanup, agentSelector multi-agent targeting, TLS/mTLS for Redis and Prometheus checks, and HTTP check enhancements (Digest auth, SigV4, HAR, maxRedirects).
Correctness and operational fixes mission-control/blog/canary-checker-v1.2.md	Documents metrics correctness fixes (failure counters, PromQL precedence, label allowlist) and operational fixes (sync job race, lastTransitionedTime, RBAC for events.k8s.io/v1).
Deprecation cleanup and upgrade guidance mission-control/blog/canary-checker-v1.2.md	Describes removal of deprecated check implementations with removal stubs, upgrade guidance including helm upgrade, and lists contributors.

Possibly related PRs

• flanksource/docs#469: Documents distributed canaries with agentSelector patterns and derived-canary execution/cleanup, directly related to the multi-agent targeting feature described in this release notes doc.

🚥 Pre-merge checks | ✅ 5

✅ Passed checks (5 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title is relevant to the change, indicating a Canary Checker blog/update even though the version label is slightly off.
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.

✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Commit unit tests in branch cc-blog

✨ Simplify code

• Create PR with simplified code
• Commit simplified code in branch cc-blog

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