linkerd / linkerd/website

Update service profile troubleshooting to explain headers

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area/troubleshooting docs
Dominant language
JavaScript
Stars
60
Forks
221
Avg merge
4h 32m
Merged PRs (30d)
1

Description

A common point of confusion around service profiles is that the `Host` header needs to match. It can be hard to understand how to get that to work.

- Include a traffic generator.
- Explain why `port-forward` doesn't work, see https://github.com/linkerd/linkerd2/issues/2352
- Suggest using `curl` from inside the cluster with `-H`.

Contributor guide

Open the contributing guide

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

Locate the service profile troubleshooting documentation and review the linked issue about port-forwarding. Update the guidance to include a traffic generator, explain why port-forward does not work, and show how to use curl from inside the cluster with the Host header; done means all three points are covered clearly.

Written by the indexing model from the issue text.

Assessment

Domain
documentation, networking
Issue type
Documentation
Difficulty
2/5
Estimated time
1-3 hours
Activity status
Stale
Clarity
Clearly specified
Newbie friendliness
65/100

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