Fix inconsistent Id returned for silences.Set #3868
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This commit fixes inconsistent behavior of silences.Set where if a silence was invalid or exceeds limits, sil.Id would contain the silence UUID but the Id returned would be the empty string. This bug was introduced in prometheus#3866. Signed-off-by: George Robinson <[email protected]>
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| // If we got here it's either a new silence or a replacing one. | ||
| if s.limits.MaxSilences > 0 { | ||
| if len(s.st)+1 > s.limits.MaxSilences { | ||
| return sil.Id, fmt.Errorf("exceeded maximum number of silences: %d (limit: %d)", len(s.st), s.limits.MaxSilences) |
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I return sil.Id here as that's what happens if s.setSilence returns an error too. s.setSilence can return an error if the silence is invalid or maximum size has been exceeded.
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I closed and then re-opened this PR as what I want to do is make sure |
| } | ||
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| return sil.Id, nil | ||
| return sil.Id, s.setSilence(sil, now, false) |
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This is how it was before #3852.
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I'm going to close this in favor of doing the bigger changes, as mentioned here. |
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This pull request fixes inconsistent behavior of
silences.Set()where it can return an empty string and an error but also setsil.Idto a UUID. This can happen when creating a silence that is invalid or exceeds limits. This bug was introduced in #3852.