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58 commits

Author SHA1 Message Date
Aliaksandr Valialkin
86bafe796c
lib/httpserver: add -enterprise and/or -cluster suffixes to short_version label of vm_app_version metric 
See https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1635
 2021-09-21 23:12:50 +03:00
Aliaksandr Valialkin
184e145570 docs: consistency renaming: Influx -> InfluxDB 2021-09-13 17:14:45 +03:00
Aliaksandr Valialkin
e6edb85fa2 lib/httpserver: add is_set label to flag metrics 
This label allows determining the set flags with the query `flag{is_set="true"}`
 2021-07-13 15:10:18 +03:00
Aliaksandr Valialkin
ceda2b1df4 lib/httpserver: print full requestURI in httpserver.Errorf 
This should simplify debugging.
 2021-07-07 13:11:29 +03:00
Aliaksandr Valialkin
377bb06b47 lib/cgroup: set GOGC to 50 by default if it isn't set 
This should reduce memory usage for typical VictoriaMetrics workloads by up to 50%
 2021-07-05 12:34:01 +03:00
Aliaksandr Valialkin
0672cfffa2 app/vmauth: properly handle http.ErrAbortHandler panic 
This panic can be raised by the reverseProxy on aborted request to the backend.
So handle it (e.g. suppress) at reverseProxy.ServeHTTP call.

Do not suppress the panic at lib/httpserver generic HTTP handler,
since it may result in an inconsistent state left after the panicking handler.

Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1353
 2021-06-11 12:54:37 +03:00
Nikolay
2c1611d316 disables panic for net/httpAbortHandler (#1355) 2021-06-09 12:12:45 +03:00
Aliaksandr Valialkin
69e365cd48 Makefile: update golangci-lint from v1.29.0 to v1.40.1 2021-05-20 18:30:24 +03:00
Aliaksandr Valialkin
74ef40034c lib/httpserver: typo fix in -http.shutdownDelay command-line flag description: servier -> server 2021-05-18 16:25:27 +03:00
Aliaksandr Valialkin
6ea191d196 docs: dealay -> delay 2021-05-18 01:07:32 +03:00
Aliaksandr Valialkin
1d32b008c6 lib/httpserver: add new X-Server-Hostname header instead of overwriting already exsiting header 
This makes possible tracking origins of chained requests over multiple hops.
 2021-05-11 23:47:19 +03:00
Aliaksandr Valialkin
f1317f7c6c lib/httpserver: return X-Server-Hostname http header in all the responses for better debuggability 2021-05-11 22:04:41 +03:00
Aliaksandr Valialkin
ec6becd3f5 lib/httpserver: stop the process on panics in request handlers 
Panics may leave the process in inconsistent state. That's why it is better to stop the process after the panic
instead of recovering from the panic. Unfortunately, the standard net/http.Server recovers panics in request handlers.
See https://github.com/golang/go/issues/16542 . That's lib/httpserver must stop the process on itself after the panic.
 2021-05-03 12:00:44 +03:00
Aliaksandr Valialkin
8be1cb297b app/vmagent: list user-visible endpoints at http://vmagent:8429/ 
While at it, use common WriteAPIHelp function for the listing in vmagent, vmalert and victoria-metrics
 2021-04-30 09:38:23 +03:00
Artem Navoiev
c3dcfdef8c improve docs for cli flags (#1202) 
* improve docs for cli flags

* improve docs for cli flags.2
 2021-04-12 12:28:36 +03:00
Aliaksandr Valialkin
bd8b7a88a7 lib/httpserver: export vm_available_memory_bytes and vm_available_cpu_cores metrics 
These metrics are useful for tracking the available memory and CPU cores for VictoriaMetrics apps.
 2021-03-10 12:08:26 +02:00
Aliaksandr Valialkin
ee5d26a546 lib/httpserver: make make errcheck happy after the commit 9fc7726d84 2021-03-01 00:35:30 +02:00
Aliaksandr Valialkin
9e644ef111 lib/httpserver: make sure the gzipResponseWriter.Write() is called on Flush() and Close() calls 
This should fix the `http: superfluous response.WriteHeader call` issue

See https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1078
 2021-02-28 19:23:26 +02:00
Aliaksandr Valialkin
3b8596bfec lib/httpserver: make errcheck happy 2021-02-16 22:05:59 +02:00
Aliaksandr Valialkin
18305caadb lib/httpserver: cache /metrics output for a second 
This should reduce CPU load when `/metrics` output is scraped with a frequency exceeding a request per second
 2021-02-16 14:57:13 +02:00
Aliaksandr Valialkin
b5eba70595 lib/httpserver: expose process_open_fds and process_max_fds metrics 
See https://github.com/VictoriaMetrics/VictoriaMetrics/issues/402
See https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1037
 2021-02-04 16:42:32 +02:00
Nikolay
095be83f2f bumps minimal tls version (#1012) 2021-01-13 00:39:09 +02:00
Nikolay
324e3aa1a5 Changes targets api (#961) 
* changes /targets api
adds html response if requester accepts text/html,
adds quick template for /targets api,
fixes pathPrefix for / requests

* changes namings

* renamed targets file

* Update app/victoria-metrics/main.go

Co-authored-by: Aliaksandr Valialkin <valyala@gmail.com>

* adds trimspace to qtpl,
moves content-type for targets response closer to writer

* fixes bug with prefix

Co-authored-by: Aliaksandr Valialkin <valyala@gmail.com>
 2020-12-14 14:13:00 +02:00
Aliaksandr Valialkin
7ceaf4ba8f all: consistently return text-based HTTP responses with charset=utf-8 
This is a follow-up for https://github.com/VictoriaMetrics/VictoriaMetrics/pull/897
 2020-11-13 10:30:21 +02:00
John Belmonte
8653e2658e add short_version label to vm_app_version metric (#877) 
* add short_version label to vm_app_version metric

use case:  Version panel of Grafana dashboard should use a live query, but currently it uses a template query which becomes stale.  Grafana is not able to preform regex substitution on labels.

* Update metrics.go

* fix compile
 2020-11-03 14:12:42 +02:00
faceair
0093ee3cd9 disable response compression on websocket (#841) 2020-10-17 13:33:37 +03:00
Aliaksandr Valialkin
406f4fe445 app/vmagent: substitute -remoteWrite.url with secret-url value in logs, since it may contain sensitive info such as passwords or auth tokens 
Pass `-remoteWrite.showURL` command-line flag in order to see real `-remoteWrite.url` values in logs and at `/metrics` page.

Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/773
 2020-09-16 22:36:18 +03:00
Aliaksandr Valialkin
e5c8377212 lib/httpserver: add a jitter to connection timeouts in order to protect from Thundering herd problem 2020-09-08 19:57:20 +03:00
Aliaksandr Valialkin
281d715060 lib/httpserver: add -http.connTimeout command-line flag for limiting the lifetime for incoming http connections 
This can be useful for balancing incoming connections among multiple services.
 2020-09-03 22:23:55 +03:00
Aliaksandr Valialkin
bc1ca4b20b lib/httpserver: add -http.idleConnTimeout command-line flag for tuning the timeout for incoming idle http connections 2020-09-01 15:33:31 +03:00
Aliaksandr Valialkin
67cacb22ac lib/httpserver: add -tls, -tlsCertFile and -tlsKeyFile command-line flags in every vm binary 
This makes such binaries compatible with binaries from `master` branch (aka single-node version)

See https://github.com/VictoriaMetrics/VictoriaMetrics/issues/677
 2020-08-07 10:57:32 +03:00
Aliaksandr Valialkin
a2aa3a60eb app/vmselect: show X-Forwarded-For contents on /api/v1/status/active_queries page 
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/659
 2020-07-31 20:01:09 +03:00
Aliaksandr Valialkin
1e067401ba lib/httpserver: emit X-Forwarded-For additionally to remoteAddr in error logs 
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/659
 2020-07-29 13:12:35 +03:00
Aliaksandr Valialkin
31ef39e8da lib/httpserver: log remote address in error message from httpserver.Errorf 
This should improve detection of the root cause of errors.
Thanks to Anant for the idea.
 2020-07-20 14:06:29 +03:00
Aliaksandr Valialkin
81e3d4305f lib/httpserver: add Unwrap method to ErrorWithStatusCode, so As and Is functions in standard errors package may properly unwrap the error inside ErrorWithStatusCode 2020-07-01 00:53:49 +03:00
Aliaksandr Valialkin
0c4e8aeb2b all: use errors.As for inspecting errors that implement httpserver.ErrorWithStatusCode 2020-07-01 00:03:11 +03:00
Aliaksandr Valialkin
9f55dea162 lib/httpserver: do not flush and do not close gzip writer if response compression is disabled 
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/535
 2020-06-05 21:37:46 +03:00
Aliaksandr Valialkin
301838e7b1 lib/httpserver: properly set status code for empty response 2020-05-24 23:55:55 +03:00
Aliaksandr Valialkin
64bec11c91 lib/httpserver: fix compression for static files 2020-05-24 22:16:51 +03:00
Aliaksandr Valialkin
be7253c084 lib/httpserver: do not recompress already compressed response 
This shoud help with vmauth issue - https://github.com/VictoriaMetrics/VictoriaMetrics/issues/514
 2020-05-22 16:45:20 +03:00
Aliaksandr Valialkin
2f28e945b8 lib/httpserver: add -http.shutdownDelay flag for a grace period before http server shutdown 
The http server returns 503 non-OK error at `/health` page during grace period,
so load balancers in front of the http server could re-route incoming requests
to other servers.

Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/463
 2020-05-07 15:25:51 +03:00
Aliaksandr Valialkin
3052b479b7 lib/httpserver: reduce typical duration for http server graceful shutdown 
Previously the duration for graceful shutdown for http server could take more than a minute
because of imporperly set timeouts in setNetworkTimeout.
Now typical duration for graceful shutdown should be reduced to less than 5 seconds.
 2020-05-07 14:16:38 +03:00
Aliaksandr Valialkin
bbaca16ce8 lib/httpserver: rename http.externalURL to http.pathPrefix and improve help message for this flag 
The `http.externalURL` flag name was slightly misleading, so it has been renamed to `http.pathPrefix`.
 2020-05-02 13:12:24 +03:00
DexterZhang
a0589f2ca5 feat(httpserver): add http.externalUrl config to http server, it adds prefix to http path automatically (#452) 2020-05-02 13:12:23 +03:00
Aliaksandr Valialkin
d99f48aa48 lib/httpserver: mention that -http.maxGracefulShutdownDuration command-line flag value can be increased on shutdown timeout 2020-04-30 01:37:02 +03:00
Aliaksandr Valialkin
d4bc60d63c lib/logger: add WARN level for logging expected errors such as invalid user queries 2020-04-15 20:50:45 +03:00
Aliaksandr Valialkin
84fa146792 lib/httpserver: remove unnecessary http.HandlerFunc wrapper in gzipHandler 2020-04-01 18:14:47 +03:00
Aliaksandr Valialkin
42c290ce9f lib/httpserver: add -http.maxGracefulShutdownDuration command-line flag for tuning the maximum duration required for graceful shutdown of http server 2020-03-27 20:10:05 +02:00
Aliaksandr Valialkin
7ee7614e90 app/vmagent: initial implementation for vmagent 2020-02-23 17:31:54 +02:00
Aliaksandr Valialkin
9f595cb2b1 lib/httpserver: log the caller of httpserver.Errorf 
Previously log message contained `httpserver.Errorf`, not it contains the caller of `httpserver.Errorf`, which is more useful.
 2020-01-25 20:18:06 +02:00