Aliaksandr Valialkin
06b0982d6b
lib/promscrape: always initialize http client for stream parsing mode
...
Stream parsing mode can be automatically enabled when scraping targets with big response bodies
exceeding the -promscrape.minResponseSizeForStreamParse , so it must be always initialized.
2021-10-16 13:18:23 +03:00
Aliaksandr Valialkin
a0313c046b
lib/promscrape: add vm_promscrape_max_scrape_size_exceeded_errors_total
metric for counting of the failed scrapes due to the exceeded response size
...
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1639
2021-09-23 14:47:54 +03:00
Aliaksandr Valialkin
728c4c3841
lib/promscrape: generate scrape_timeout_seconds
metric per each scrape target in the same way as Prometheus 2.30 does
...
See https://github.com/prometheus/prometheus/pull/9247
2021-09-12 15:20:44 +03:00
Aliaksandr Valialkin
06b8e7d148
lib/promscrape: increase the duration for reading the full response in stream parsing mode
...
Increase the duration from 10x to 30x of the configured `scrape_interval'.
This should help https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1365
2021-06-14 12:28:09 +03:00
Aliaksandr Valialkin
60341722d5
docs: document f0c21b6300
2021-05-27 15:03:30 +03:00
faceair
f0c21b6300
lib/promscrape: apply body size & sample limit to stream parse ( #1331 )
...
* lib/promscrape: apply body size limit to stream parse
Signed-off-by: faceair <git@faceair.me>
* lib/promscrape: apply sample limit to stream parse
Signed-off-by: faceair <git@faceair.me>
2021-05-27 14:52:44 +03:00
Aliaksandr Valialkin
733706e6c6
lib/promscrape: reload auth tokens from files every second
...
Previously auth tokens were loaded at startup and couldn't be updated without vmagent restart.
Now there is no need in vmagent restart.
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1297
2021-05-14 20:00:08 +03:00
Aliaksandr Valialkin
10a47af631
app/{vmalert,vmauth}: explicitly set MaxIdleConnsPerHost in net/http.Client.Transport
...
By default MaxIdleConnsPerHost is set to 2. This limits the possibility to re-use http keep-alive connections.
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1300
2021-05-14 18:12:24 +03:00
Aliaksandr Valialkin
e6fda03e8f
vendor: update github.com/VictoriaMetrics/fasthttp from v1.0.14 to v1.0.15
...
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1289
2021-05-13 10:44:14 +03:00
Aliaksandr Valialkin
f6a641de62
lib/promscrape: exponentially increase retry interval on unsuccesful requests to scrape targets or to service discovery services
...
This should reduce CPU load at vmagent and at remote side when the remote side doesn't accept HTTP requests.
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1289
2021-05-13 10:38:50 +03:00
Aliaksandr Valialkin
908e35affd
lib/promscrape: apply scrape_timeout
on receiving the first response byte for stream_parse: true
scrape targets
...
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1017#issuecomment-767235047
2021-04-23 21:53:35 +03:00
Aliaksandr Valialkin
6742839fd6
lib/promscrape: pass X-Prometheus-Scrape-Timeout-Seconds
header to scrape targets as Prometheus does
2021-04-05 12:15:24 +03:00
Aliaksandr Valialkin
500e625e8c
lib/promscrape: properly send full url in GET
request via simple HTTP proxy
...
This is a follow-up for a0ae0f86666a75ec57b45eab2429da7ab4a7b250
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1179
2021-04-04 01:20:06 +03:00
Aliaksandr Valialkin
5153410ced
lib/promscrape: support for simple HTTP proxies without CONNECT
method support such as https://github.com/prometheus-community/PushProx
...
See https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1179
2021-04-04 00:40:40 +03:00
Aliaksandr Valialkin
7f9c68cdcb
lib/promscrape: add follow_redirect
option to scrape_configs
section like Prometheus does
...
See https://github.com/prometheus/prometheus/pull/8546
2021-04-02 19:56:40 +03:00
Aliaksandr Valialkin
85a95bf60c
all: various fixes in command-line flag descriptions
2021-03-15 21:59:25 +02:00
Aliaksandr Valialkin
a6a71ef861
lib/promscrape: add ability to configure proxy options via proxy_tls_config
, proxy_basic_auth
, proxy_bearer_token
and proxy_bearer_token_file
...
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1116
2021-03-12 03:36:19 +02:00
Aliaksandr Valialkin
36fd007247
lib/proxy: set missing ServerName in TLS config for proxy_url
.
...
While at it, allow setting Proxy-Authorization for `proxy_url` via `basic_auth` and `bearer_token` configs.
2021-03-09 18:58:18 +02:00
Nikolay
ad34f42467
Changes tlsConfig init for proxy connections ( #1121 )
...
https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1116
2021-03-09 18:51:00 +02:00
Aliaksandr Valialkin
bd11fd8f1d
lib/promscrape: add vm_promscrape_scrape_retries_total
, vm_promscrape_discovery_retries_total
and vm_promscrape_discovery_requests_total
metrics
2021-02-01 20:06:27 +02:00
Aliaksandr Valialkin
8cea3c3cc4
lib/promscrape: retry scrape and service discovery requests when the remote server closes http keep-alive connection
2021-01-22 13:22:33 +02:00
Aliaksandr Valialkin
820669da69
lib/promscrape: code prettifying for 8dd03ecf19
2020-12-24 10:56:10 +02:00
Nikolay
8dd03ecf19
adds proxy_url support, ( #980 )
...
* adds proxy_url support,
adds proxy_url to the dockerswarm, eureka, kubernetes and consul service discovery,
adds proxy_url to the scrape_config for targets scrapping,
http based proxy is supported atm,
https://github.com/VictoriaMetrics/VictoriaMetrics/issues/503
* fixes imports
2020-12-24 10:52:37 +02:00
Aliaksandr Valialkin
3a32789352
lib/promscrape: reduce memory allocations when unpacking gzipped responses received from scrape targets
2020-11-26 18:32:06 +02:00
Aliaksandr Valialkin
b0a5c382ee
lib/promscrape: release http response non-200 status code
2020-11-26 13:25:17 +02:00
Aliaksandr Valialkin
c0f3be824d
lib/promscrape: properly handle response body after 301 redirect
...
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/869
2020-11-02 01:09:52 +02:00
Aliaksandr Valialkin
e277c3d07b
lib/promscrape: add stream parse
mode for efficient scraping of targets that expose millions of metrics
2020-11-01 23:35:06 +02:00
Nikolay
67059caa12
fixes panic at scrape error body formating, ( #868 )
...
https://github.com/VictoriaMetrics/VictoriaMetrics/issues/864
regression after body reuse improvements
2020-10-29 17:17:52 +03:00
Aliaksandr Valialkin
1a9ee39b0e
lib/promscrape: avoid copying response body when scraping targets.
...
This should reduce memory usage when scraping targets with millions of metrics.
2020-09-18 13:05:43 +03:00
Aliaksandr Valialkin
147c35ebd4
all: allow using KB
, MB
, GB
, KiB
, MiB
and GiB
suffixes in command-line flag values related to byte sizes or byte rates
2020-08-16 17:05:52 +03:00
Aliaksandr Valialkin
eead3ee8ec
lib/promscrape: properly retry requests on the server closed connection before returning the first response byte
error during service discover API calls and target scrapes
2020-08-13 22:31:52 +03:00
Aliaksandr Valialkin
3e1d7d8489
lib/promscrape: send Accept
header similar to Prometheus when scraping targets
...
This should fix scraping Spring Boot servers, which return incorrect response
unless `Accept: text/plain` request header is set.
See https://github.com/VictoriaMetrics/VictoriaMetrics/issues/608
2020-07-08 19:48:22 +03:00
Aliaksandr Valialkin
ff6a0955eb
lib/promscrape: use HostClient.DoDeadline instead of HostClient.Do in order to guarantee strict deadline across multiple scrape attempts
2020-07-03 21:33:22 +03:00
Aliaksandr Valialkin
8b133e40d5
lib/promscrape: prevent from too big deadline misses on scrape retries
...
The maximum deadline miss duration is reduced to 2x scrape_interval in the worst case.
By default it is limited to scrape_interval configured for the given scrape target.
2020-07-03 20:41:36 +03:00
Aliaksandr Valialkin
44a54b8b3d
lib/promscrape: check for nil error before checking for the returned status code when scraping targets
2020-07-03 18:37:14 +03:00
Aliaksandr Valialkin
4dd3de9286
lib/promscrape: add ability to set disable_compression
and disable_keepalive
options in scrape_config
section of the config passed to -promscrape.config
...
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/580
2020-07-02 14:19:14 +03:00
Aliaksandr Valialkin
8da3f773ae
lib/promscrape: add -promscrape.disableKeepAlive
command-line flag for disabling http keep-alive connections when scraping targets
...
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/580
2020-07-01 02:20:20 +03:00
Aliaksandr Valialkin
d5dddb0953
all: use %w instead of %s for wrapping errors in fmt.Errorf
...
This will simplify examining the returned errors such as httpserver.ErrorWithStatusCode .
See https://blog.golang.org/go1.13-errors for details.
2020-06-30 23:05:11 +03:00
Aliaksandr Valialkin
4c7f216dfe
lib/promscrape: retry performing the request to the server for up to 3 times before giving up when it closes keep-alive connections
...
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/580
2020-06-23 12:33:54 +03:00
Aliaksandr Valialkin
c602284a99
lib/promscrape: mention about -promscrape.maxScrapeSize in the error message when target returns too big response
2020-05-24 14:41:14 +03:00
Aliaksandr Valialkin
8300cc17af
app/vmagent,lib/promscrape: do not set HostClient.DialDualStack, since it isnt used if HostClient.Dial is set
2020-05-12 15:24:18 +03:00
Aliaksandr Valialkin
43c39dc36c
vendor: use github.com/VictoriaMetrics/fasthttp instead of github.com/fasthttp/fasthttp
...
The upstream fasthttp may contain issues like 996610f021
,
plus a code that isn't used by VictoriaMetrics. So let's use a private copy under our control instead.
2020-04-29 17:33:34 +03:00
Aliaksandr Valialkin
521df0e2fc
lib/promscrape: handle connection reset when targets responds with http redirect
2020-04-28 02:13:02 +03:00
肖贝贝
2b16c188e8
fix: vmagent not follow 301/302 redirect bug ( #445 )
...
Co-authored-by: xiaobeibei <xiaobeibei@bigo.sg>
2020-04-28 01:29:37 +03:00
Aliaksandr Valialkin
bd4c6d21dd
lib/promscrape: retry target scraping when the target closes previously established keep-alive connection to it
...
This should fix the following error:
the server closed connection before returning the first response byte. Make sure the server returns 'Connection: close' response header before closing the connection
2020-04-16 23:25:29 +03:00
Aliaksandr Valialkin
90b4a6dd12
lib/promscrape: extract common auth code to lib/promauth
2020-04-13 12:59:10 +03:00
Aliaksandr Valialkin
7c432da788
lib/promscrape: do not retry idempotent requests when scraping targets
...
This should prevent from the following unexpected side-effects of idempotent request retries:
- increased actual timeout when scraping the target comparing to the configured scrape_timeout
- increased load on the target
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/357
2020-03-09 13:31:52 +02:00
Aliaksandr Valialkin
04762344c6
app/vmagent: initial implementation for vmagent
2020-02-23 13:36:03 +02:00