Filter metric names with regex in list_metrics call#32
Filter metric names with regex in list_metrics call#32saswatamcode merged 4 commits intorhobs:mainfrom
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pkg/prometheus/loader.go
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| // For blanket regex patterns like ".*", use empty matcher to get all metrics to not get 4xx. | ||
| if nameRegex != ".*" && nameRegex != ".+" && nameRegex != "" { | ||
| matcher := fmt.Sprintf("{__name__=~\"%q\"}", nameRegex) |
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This is probably not the right fix. Still fails for other regexps, worked with:
matcher := fmt.Sprintf("{__name__=~%q}", nameRegex)
#sarcasm you're prompting it wrong #/sarcasm
| // For blanket regex patterns like ".*", use empty matcher to get all metrics to not get 4xx. | ||
| if nameRegex != ".*" && nameRegex != ".+" && nameRegex != "" { | ||
| matcher := fmt.Sprintf("{__name__=~\"%q\"}", nameRegex) | ||
| matcher := fmt.Sprintf("{__name__=~\"%s\"}", nameRegex) //nolint:gocritic |
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with this fix, we don't need the additional if anymore, right?
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We do, as prometheus treats .* as an empty matcher, and fails the request with {"status":"error","errorType":"bad_data","error":"match[] must contain at least one non-empty matcher"}
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You are absolutely correct :)
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[APPROVALNOTIFIER] This PR is APPROVED This pull-request has been approved by: iNecas, saswatamcode The full list of commands accepted by this bot can be found here. The pull request process is described here DetailsNeeds approval from an approver in each of these files:
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Needs rebase |
Signed-off-by: Saswata Mukherjee <saswataminsta@yahoo.com>
Signed-off-by: Saswata Mukherjee <saswataminsta@yahoo.com>
Signed-off-by: Saswata Mukherjee <saswataminsta@yahoo.com>
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New changes are detected. LGTM label has been removed. |
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Has been approved, so will merge! |
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