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VictoriaMetrics/app/vmauth
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Roman Khavronenko 07ad4f82cd
app/vmauth: properly check for backend health before leastLoaded policy (#7489) 
Previously, vmauth could have pick `buMin` as least loaded backend
without checking its status. In result, vmauth could have respond to the
user with an error even if there were healthy backends. That could
happen if healthy backends already had non-zero amount of concurrent
requests executing at the moment of least-loaded backend choosing logic.

Steps to reproduce:
1. Setup vmauth with two backends: healthy and non-healthy
2. Execute a bunch of concurrent requests against vmauth (i.e. Grafana
dash reload)
3. Observe that some requests will fail with message that all backends
are unavailable

Addresses https://github.com/VictoriaMetrics/VictoriaMetrics/issues/3061
---
Signed-off-by: hagen1778 <roman@victoriametrics.com>
(cherry picked from commit a0a154511a)
2024-11-08 17:07:54 +01:00
..
deployment all: suppress InvalidDefaultArgInFrom warning emitted by docker build when building Docker packages via make package-* command 2024-09-03 14:05:43 +02:00
multiarch app/*/multiarch: return back empty value for TARGETARCH 2024-09-06 18:15:22 +02:00
auth_config.go app/vmauth: properly check for backend health before leastLoaded policy (#7489) 2024-11-08 17:07:54 +01:00
auth_config_test.go app/vmauth: properly check for backend health before leastLoaded policy (#7489) 2024-11-08 17:07:54 +01:00
example_config.yml app/vmauth: adds metric_labels and backend_errors counter (#5585) 2024-01-22 01:09:51 +02:00
example_config_ent.yml vmauth: add browser authorization request for http requests without… (#5234) 2023-11-01 21:00:52 +01:00
main.go app/vmauth: change response code when all backend are not available (#6676) 2024-07-25 10:24:05 +02:00
main_test.go app/vmauth: verify how backend response headers are propagated to vmauth client 2024-07-27 13:45:07 +02:00
Makefile Add build support for loong64 (#6222) 2024-05-10 14:32:05 +02:00
README.md all: replace old https://docs.victoriametrics.com/vmauth.html url with the new one - https://docs.victoriametrics.com/vmauth/ 2024-04-18 01:50:16 +02:00
target_url.go app/vmauth: follow-up for b155b20de4 2024-04-17 14:53:20 +02:00
target_url_test.go app/vmauth: add missing tests for requestHandler() 2024-07-20 11:22:54 +02:00

README.md

See vmauth docs here.

vmauth docs can be edited at docs/vmauth.md.