tailscale / tailscale/github-action

DNS issue when using tailscale

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#51 4 comments 4 reactions 0 assignees View on GitHub

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Dominant language
TypeScript
Stars
938
Forks
137
PR merge metrics
No merged PRs in 30d

Description

Issue
Github actions used tailscale with option ( DNS override activated on Admin) Failed to resolve any public DNS
like google.com for example.

Example from a Github action
Auth successfully on Tailscale
image

Then cannot resolve
image

Expected behaviour
After connecting to tailscale Github Action runner should be able to resolve DNS without issue.

Contributor guide

No contributing guide indexed for this repository

First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

Start by reproducing the example GitHub Action with Tailscale DNS override enabled, then inspect the action's connection and DNS behavior. Done means the runner can resolve public names such as google.com after connecting to Tailscale.

Written by the indexing model from the issue text.

Assessment

Tech stack
github-actions, typescript
Domain
ci-cd, devops, networking
Issue type
Bug
Difficulty
4/5
Estimated time
3-5 days
Activity status
Stale
Clarity
Mostly clear
Newbie friendliness
35/100

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