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Update site-to-site networking related documentation #457

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@lmagyar lmagyar commented Jan 26, 2025

Proposed Changes

Rephrase docs to not reference step numbers in continuously changing TS docs.

Plus some Note on config options.

Related Issues

Summary by CodeRabbit

  • Documentation
    • Updated Tailscale Home Assistant add-on documentation with clarifications on configuration options.
    • Enhanced details regarding the snat_subnet_routes option and its implications.
    • Expanded information on userspace_networking and its usage scenarios.
    • Simplified routing configuration guidance for users.

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coderabbitai bot commented Jan 26, 2025

Walkthrough

The documentation for the Tailscale Home Assistant add-on has been updated to provide clearer guidance on configuration options. The changes focus on explaining the userspace_networking and snat_subnet_routes settings, offering more detailed information about their usage and implications. The updates aim to help users better understand how these networking options work and when they should or should not be modified.

Changes

File Change Summary
tailscale/DOCS.md - Added clarification about userspace_networking option for local subnet access
- Updated snat_subnet_routes section with additional explanatory notes
- Provided more context about IP forwarding and MSS clamping

Suggested labels

documentation

Suggested reviewers

  • frenck

Possibly related PRs

  • Update add-on docs to match updated Tailscale docs #416: This PR updates the documentation for the Tailscale add-on, specifically clarifying the snat_subnet_routes section, which is directly related to the changes made in the main PR regarding the same topic.
  • Update docs with DNS settings #428: This PR enhances the documentation for the userspace_networking option, which aligns with the main PR's updates to the same section, providing additional clarity on routing configurations.

Poem

🐰 A Rabbit's Documentation Delight

Tailscale docs, now crystal clear,
Networking options without a fear,
Subnets and routes, explained with grace,
A config guide that sets the pace!
Hop along, dear user, read with might! 🌐


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Reviewing files that changed from the base of the PR and between 8e2ddff and 59e8c5b.

📒 Files selected for processing (1)
  • tailscale/DOCS.md (2 hunks)
🚧 Files skipped from review as they are similar to previous changes (1)
  • tailscale/DOCS.md

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@lmagyar lmagyar marked this pull request as ready for review January 26, 2025 21:06
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Actionable comments posted: 0

🧹 Nitpick comments (3)
tailscale/DOCS.md (3)

150-152: Consider rephrasing for better readability.

The note provides valuable clarification. Consider rephrasing to avoid repetition:

-**Note:** If you only want to access your local subnet from other clients on
-your tailnet, but you don't want to access other clients on your tailnet from
-your local subnet, you don't need to disable the `userspace_networking` option.
+**Note:** The `userspace_networking` option can remain enabled if you only need
+one-way access from tailnet clients to your local subnet, without requiring
+access from your local subnet to other tailnet clients.
🧰 Tools
🪛 LanguageTool

[style] ~150-~150: You have already used this phrasing in nearby sentences. Consider replacing it to add variety to your writing.
Context: ...rted interfaces. Note: If you only want to access your local subnet from other cli...

(REP_WANT_TO_VB)


288-294: Fix abbreviation and enhance clarity.

The note provides helpful context about the add-on's capabilities. Consider these improvements:

-steps on [Site-to-site networking][tailscale_info_site_to_site] (Note: "IP
-address forwarding" and "Clamp the MSS to the MTU" is already done by the
-add-on).
+steps in the [Site-to-site networking][tailscale_info_site_to_site] guide (Note: The add-on
+already handles "IP address forwarding" and "Clamp the MSS to the MTU" for you).

-**Note:** Disable this option only when you really understand why you need this.
-If you are not interested in the real source IP address, you don't need to
-disable this option.
+**Note:** Only disable this option if you fully understand the implications.
+Keep it enabled if preserving the real source IP address is not critical for
+your use case.

348-355: Consider consolidating duplicate notes and fix abbreviation.

  1. The note about userspace_networking (lines 348-351) is duplicated from lines 150-152. Consider keeping it only in one location, preferably here in the userspace_networking section.

  2. Fix the abbreviation in the last note:

-in the real source IP address, ie. subnet devices can see the traffic
+in the real source IP address, i.e., subnet devices can see the traffic
🧰 Tools
🪛 LanguageTool

[uncategorized] ~353-~353: The abbreviation “i.e.” (= that is) requires two periods.
Context: ...terested in the real source IP address, ie. subnet devices can see the traffic orig...

(I_E)

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📥 Commits

Reviewing files that changed from the base of the PR and between 5d440a9 and 8e2ddff.

📒 Files selected for processing (1)
  • tailscale/DOCS.md (3 hunks)
🧰 Additional context used
🪛 LanguageTool
tailscale/DOCS.md

[style] ~150-~150: You have already used this phrasing in nearby sentences. Consider replacing it to add variety to your writing.
Context: ...rted interfaces. Note: If you only want to access your local subnet from other cli...

(REP_WANT_TO_VB)


[uncategorized] ~353-~353: The abbreviation “i.e.” (= that is) requires two periods.
Context: ...terested in the real source IP address, ie. subnet devices can see the traffic orig...

(I_E)

🔇 Additional comments (2)
tailscale/DOCS.md (2)

337-346: Excellent addition of subnet collision behavior.

The note about subnet collision behavior is a crucial addition that helps users understand the add-on's networking priorities and limitations. This information can prevent confusion and potential issues during setup.


Line range hint 150-355: Documentation updates successfully achieve their objectives.

The changes effectively:

  1. Remove references to step numbers in the Tailscale documentation
  2. Add valuable context about configuration options
  3. Provide clear guidance about when to modify specific settings
  4. Include important technical details about networking behavior

These updates will help users better understand the implications of various configuration options.

🧰 Tools
🪛 LanguageTool

[style] ~334-~334: The adverb ‘also’ is commonly used to connect clauses and isn’t usually used at the end of a phrase or before a conjunction. Consider replacing it with a more formal alternative.
Context: ... configure Home Assistant's DNS options also. If you want to access other clients o...

(ALSO_AS_WELL)


[uncategorized] ~353-~353: The abbreviation “i.e.” (= that is) requires two periods.
Context: ...terested in the real source IP address, ie. subnet devices can see the traffic orig...

(I_E)

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