fix(rw2.0): reject remote write 2.0 based on content type #10423
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With this patch, Prometheus gets: |
The current solution returns 2xx , but doesn't actually ingest the samples. Prometheus does detect this prometheus-1 | time=2025-01-13T13:01:35.028Z level=ERROR source=queue_manager.go:1670 msg="non-recoverable error" component=remote remote_name=150c10 url=http://mimir-1:8001/api/v1/push failedSampleCount=2000 failedHistogramCount=0 failedExemplarCount=0 err="sent v2 request with 2000 samples, 0 histograms and 0 exemplars; got 2xx, but PRW 2.0 response header statistics indicate 0 samples, 0 histograms and 0 exemplars were accepted; assumining failure e.g. the target only supports PRW 1.0 prometheus.WriteRequest, but does not check the Content-Type header correctly" But we can do better and also start working towards RW2.0 support. Signed-off-by: György Krajcsovits <gyorgy.krajcsovits@grafana.com>
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NickAnge
reviewed
Jan 13, 2025
tacole02
approved these changes
Jan 13, 2025
Signed-off-by: György Krajcsovits <gyorgy.krajcsovits@grafana.com>
aknuds1
approved these changes
Jan 15, 2025
From #10432 Signed-off-by: György Krajcsovits <gyorgy.krajcsovits@grafana.com>
Signed-off-by: György Krajcsovits <gyorgy.krajcsovits@grafana.com>
aknuds1
approved these changes
Jan 15, 2025
Signed-off-by: György Krajcsovits <gyorgy.krajcsovits@grafana.com>
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What this PR does
Reject remote write 2.0 request properly with HTTP status 415, based on RW2.0 spec.
The current solution returns 2xx , but doesn't actually ingest the samples.
Prometheus does detect this
prometheus-1 | time=2025-01-13T13:01:35.028Z level=ERROR source=queue_manager.go:1670 msg="non-recoverable error" component=remote remote_name=150c10
url=http://mimir-1:8001/api/v1/push failedSampleCount=2000
failedHistogramCount=0 failedExemplarCount=0
err="sent v2 request with 2000 samples, 0 histograms and 0 exemplars;
got 2xx, but PRW 2.0 response header statistics indicate 0 samples,
0 histograms and 0 exemplars were accepted; assumining failure e.g.
the target only supports PRW 1.0 prometheus.WriteRequest, but does not
check the Content-Type header correctly"
But we can do better and also start working towards RW2.0 support.
Which issue(s) this PR fixes or relates to
Related to #9072
Copied and dumbed down integration test from #10432
Checklist
CHANGELOG.mdupdated - the order of entries should be[CHANGE],[FEATURE],[ENHANCEMENT],[BUGFIX].about-versioning.mdupdated with experimental features.