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feature/add rotate ca docs #80

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@klinch0 klinch0 commented Jan 28, 2025

Summary by CodeRabbit

  • Documentation
    • Added a new section titled "How to rotate CA" in the FAQ document.
    • Provided detailed instructions for rotating the Certificate Authority in both tenant and management Kubernetes clusters.
    • Included commands for managing secrets, restarting pods, and obtaining new kubeconfig files.

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coderabbitai bot commented Jan 28, 2025

Walkthrough

The pull request introduces a new section titled "How to rotate CA" in the FAQ document. This section provides detailed instructions for rotating the root Certificate Authority (CA) certificate and key for both tenant and management Kubernetes clusters. It outlines specific circumstances under which rotation is necessary, such as suspected key compromise, and includes commands for deleting existing secrets, restarting relevant pods, and managing Talos configuration.

Changes

File Change Summary
content/en/docs/faq.md Added new "How to rotate CA" section with detailed instructions for CA rotation in tenant and management Kubernetes clusters.

Suggested reviewers

  • xy2
  • kvaps

Poem

🐰 Certificates dance, a security ballet
Rotating keys with precision today
Old secrets fade, new trust takes flight
Clusters spin, everything feels just right
A rabbit's guide to cryptographic might! 🔐


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Actionable comments posted: 3

🧹 Nitpick comments (2)
content/en/docs/faq.md (2)

146-148: Fix markdown formatting in headers.

The headers have formatting issues that should be addressed:

  1. Remove trailing colons from section headers
  2. Convert bare URLs to proper markdown links

Apply these changes:

-#### For tenant k8s cluster:
+#### For tenant k8s cluster
-#### For managment k8s cluster:
-See talos docs: https://www.talos.dev/v1.9/advanced/ca-rotation/#kubernetes-api
+#### For management k8s cluster
+See [talos docs](https://www.talos.dev/v1.9/advanced/ca-rotation/#kubernetes-api)
-#### For talos API
-See: https://www.talos.dev/v1.9/advanced/ca-rotation/#talos-api
+#### For Talos API
+See [talos docs](https://www.talos.dev/v1.9/advanced/ca-rotation/#talos-api)

Also applies to: 172-173, 204-205

🧰 Tools
🪛 markdownlint-cli2 (0.17.2)

148-148: Trailing punctuation in heading
Punctuation: ':'

(MD026, no-trailing-punctuation)


146-147: Add introduction explaining CA rotation necessity.

Add context about when and why CA rotation might be necessary, helping users make informed decisions.

Add an introduction:

 ### How to rotate CA
+
+Certificate Authority (CA) rotation is a critical security operation that may be necessary in several scenarios:
+- When CA certificates are approaching expiration
+- After a security incident
+- As part of regular security maintenance
+- When implementing new security policies
+
+This guide covers CA rotation procedures for different cluster types. Please ensure you understand the implications and have proper backups before proceeding.
📜 Review details

Configuration used: CodeRabbit UI
Review profile: CHILL
Plan: Pro

📥 Commits

Reviewing files that changed from the base of the PR and between 0169e99 and a14dda1.

📒 Files selected for processing (1)
  • content/en/docs/faq.md (1 hunks)
🧰 Additional context used
🪛 markdownlint-cli2 (0.17.2)
content/en/docs/faq.md

148-148: Trailing punctuation in heading
Punctuation: ':'

(MD026, no-trailing-punctuation)


172-172: Trailing punctuation in heading
Punctuation: ':'

(MD026, no-trailing-punctuation)


173-173: Bare URL used
null

(MD034, no-bare-urls)


205-205: Bare URL used
null

(MD034, no-bare-urls)

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Actionable comments posted: 1

♻️ Duplicate comments (3)
content/en/docs/faq.md (3)

152-175: 🛠️ Refactor suggestion

Previous safety recommendations not implemented.

The tenant cluster rotation section still needs the safety measures and verification steps suggested in the past review.

Additionally:

  1. Use proper markdown link format instead of bare URL
  2. Remove trailing punctuation from heading

Apply this diff:

-#### For tenant k8s cluster:
+#### For tenant k8s cluster
+
+See [Kamaji certificate lifecycle guide](https://kamaji.clastix.io/guides/certs-lifecycle/)
-See: https://kamaji.clastix.io/guides/certs-lifecycle/
🧰 Tools
🪛 markdownlint-cli2 (0.17.2)

152-152: Trailing punctuation in heading
Punctuation: ':'

(MD026, no-trailing-punctuation)


153-153: Bare URL used
null

(MD034, no-bare-urls)


176-207: 🛠️ Refactor suggestion

Previous clarity and safety recommendations not implemented.

The management cluster rotation section still needs the improvements suggested in the past review, including prerequisites, placeholders for IPs, and validation steps.

Additionally:

  1. Use proper markdown link format
  2. Remove trailing punctuation from heading

Apply this diff:

-#### For managment k8s cluster:
+#### For management k8s cluster
+
+See [Talos CA rotation guide](https://www.talos.dev/v1.9/advanced/ca-rotation/#kubernetes-api)
-See: https://www.talos.dev/v1.9/advanced/ca-rotation/#kubernetes-api
🧰 Tools
🪛 markdownlint-cli2 (0.17.2)

176-176: Trailing punctuation in heading
Punctuation: ':'

(MD026, no-trailing-punctuation)


177-177: Bare URL used
null

(MD034, no-bare-urls)


208-213: 🛠️ Refactor suggestion

Previous consistency recommendations not implemented.

The Talos API rotation section still needs the consistent improvements suggested in the past review.

Additionally, use proper markdown link format instead of bare URL.

Apply this diff:

 #### For talos API
-See: https://www.talos.dev/v1.9/advanced/ca-rotation/#talos-api
-All like for managment k8s cluster, but talosctl command:
+See [Talos API rotation guide](https://www.talos.dev/v1.9/advanced/ca-rotation/#talos-api)
+
+Follow the same prerequisites and configuration steps as the management cluster section above, but use this command for rotation:
🧰 Tools
🪛 markdownlint-cli2 (0.17.2)

209-209: Bare URL used
null

(MD034, no-bare-urls)

📜 Review details

Configuration used: CodeRabbit UI
Review profile: CHILL
Plan: Pro

📥 Commits

Reviewing files that changed from the base of the PR and between a14dda1 and 5d1228c.

📒 Files selected for processing (1)
  • content/en/docs/faq.md (1 hunks)
🧰 Additional context used
🪛 LanguageTool
content/en/docs/faq.md

[style] ~147-~147: ‘almost never’ might be wordy. Consider a shorter alternative.
Context: ...e ### How to rotate CA In general, you almost never need to rotate the root CA certificate ...

(EN_WORDINESS_PREMIUM_ALMOST_NEVER)

🪛 markdownlint-cli2 (0.17.2)
content/en/docs/faq.md

152-152: Trailing punctuation in heading
Punctuation: ':'

(MD026, no-trailing-punctuation)


153-153: Bare URL used
null

(MD034, no-bare-urls)


176-176: Trailing punctuation in heading
Punctuation: ':'

(MD026, no-trailing-punctuation)


177-177: Bare URL used
null

(MD034, no-bare-urls)


209-209: Bare URL used
null

(MD034, no-bare-urls)

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3 participants