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4 commits

Author SHA1 Message Date
LHHDZ
3a45bbb4e0
app/vmauth: fix discovering backend IPs when url_prefix contains hostname with srv+ prefix (#6401) 
This change fixes the following panic:
```
2024-06-04T11:16:52.899Z        warn    app/vmauth/auth_config.go:353   cannot discover backend SRV records for http://srv+localhost:8080: lookup localhost on 10.100.10.4:53: server misbehaving; use it literally
panic: runtime error: integer divide by zero

goroutine 9 [running]:
github.com/VictoriaMetrics/VictoriaMetrics/lib/httpserver.handlerWrapper.func1()
        /Users/lhhdz/wd/projects/go/VictoriaMetrics/lib/httpserver/httpserver.go:291 +0x58
panic({0x103115100?, 0x10338d700?})
        /Users/lhhdz/go/pkg/mod/golang.org/toolchain@v0.0.1-go1.22.3.darwin-arm64/src/runtime/panic.go:770 +0x124
main.getLeastLoadedBackendURL({0x0?, 0x22?, 0x1400014757b?}, 0x1400013c120?)
        /Users/lhhdz/wd/projects/go/VictoriaMetrics/app/vmauth/auth_config.go:473 +0x210
main.(*URLPrefix).getBackendURL(0x140000aa080)
        /Users/lhhdz/wd/projects/go/VictoriaMetrics/app/vmauth/auth_config.go:312 +0xb8
```

---------

Co-authored-by: Haley Wang <haley@victoriametrics.com>
 2024-06-12 12:30:44 +02:00
Aliaksandr Valialkin
dc326f70b4
app/vmagent: support for DNS SRV urls at -remoteWrite.url, scrape target urls and service discovery urls 
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/6053
 2024-04-17 20:54:39 +02:00
Aliaksandr Valialkin
b426d10847
app/vmauth: add support for configuring backends via DNS SRV urls 2024-04-17 20:46:22 +02:00
Aliaksandr Valialkin
1b81d8f542
lib/netutil: move IsTrivialNetworkError() function there, since it is used in multiple places across the code 2023-01-27 13:24:30 -08:00