fix prometheus: escape backslash and newline in label values#1268
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netliomax25-code wants to merge 1 commit into
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fix prometheus: escape backslash and newline in label values#1268netliomax25-code wants to merge 1 commit into
netliomax25-code wants to merge 1 commit into
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LGTM |
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Many thanks for the PR! @apolukhin is now importing your pull request into our internal upstream repository. |
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"(to') in Prometheus label values, leaving backslash and line feeds raw.\then escapes the closing quote so the rest of the line is pulled into the value, and an embedded line feed starts a new sample line.Added AppendEscapedLabelValue to double
\and write line feeds as\n, matching how the Graphite and Solomon writers already neutralize these characters. Covered both cases with a regression test.