prometheus / prometheus/common

TextParser: Tolerate trailing whitespace

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bug
Dominant language
Go
Stars
295
Forks
367
Avg merge
2d 10h
Merged PRs (30d)
18

Description

Apparently, trailing whitespace is not tolerated, see https://github.com/prometheus/prometheus/issues/1469 .

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

Start by locating the TextParser implementation and reproduce the reported failure with input containing trailing whitespace. Trace how the input is parsed and verify that trailing whitespace is accepted without changing other parsing behavior; done when the relevant parser check passes for that case.

Written by the indexing model from the issue text.

Assessment

Tech stack
go
Domain
backend
Issue type
Bug
Difficulty
2/5
Estimated time
1-3 hours
Activity status
Stale
Clarity
Mostly clear
Newbie friendliness
45/100

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