promtail: Add support for exclusion patterns in static_config
#5943
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tpaschalis
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Apr 18, 2022
| if fi, err := os.Stat(t.pathExclude); err == nil && !fi.IsDir() { | ||
| matchesExcluded = []string{t.pathExclude} | ||
| } else { | ||
| matchesExcluded, err = doublestar.Glob(t.pathExclude) |
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If t.pathExclude is empty, then doublestar.Glob returns nil, nil, just skipping the loop below.
Signed-off-by: Paschalis Tsilias <paschalis.tsilias@grafana.com>
Signed-off-by: Paschalis Tsilias <paschalis.tsilias@grafana.com>
Signed-off-by: Paschalis Tsilias <paschalis.tsilias@grafana.com>
Signed-off-by: Paschalis Tsilias <paschalis.tsilias@grafana.com>
This reverts commit 17abb006ce141071c4bca4b7d133bea2aa314594.
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This was referenced Jun 28, 2022
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is it please possible to make it exclude two files resp. two different logfiles with no common root (how about 3)? |
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@adam0s9 hey there 👋 Right now this is not possible with the If you'd like to propose an enhancement to the way |
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Signed-off-by: Paschalis Tsilias paschalis.tsilias@grafana.com
What this PR does / why we need it:
As stated in the linked Issue, there's currently no easy way to exclude files from a Promtail config, except for overly restrictive and/or complex glob patterns.
This addition may be helpful in a number of scenarios, from avoiding usage spikes in Grafana cloud, to having separate pipeline_stages for specific file formats, or filtering directories which Promtail couldn't tail due to permissions.
Since the upstream bmatcuk/doublestar package doesn't support negation patterns, this is another way of achieving the same result.
Which issue(s) this PR fixes:
Fixes #5744
Special notes for your reviewer:
From my local tests, this seems to work as intended both in scrape_config and file_sd_config blocks; let me know if I've missed anything ^^
Checklist
CHANGELOG.mdabout the changes.