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83 Commits

Author SHA1 Message Date
Aliaksandr Valialkin
06091cfdf8 lib/promscrape: export vm_promscrape_scrapers_{started|stopped}_total metrics for monitoring target churn rate 2020-12-08 11:58:44 +02:00
Aliaksandr Valialkin
56a0b058c1 lib/promscrape: export vm_promscrape_active_scrapers{type="<sd_type>"} metric for tracking the number of active scrapers per each service discovery type 2020-12-08 01:54:44 +02:00
Nikolay
0b302d33cb Changes consul discovery api (#921) 
* adds consul watch api,
it must reduce load on consul service with blocking wait requests,
changed discoveryClient api with fetchResponseMeta callback.

* small fix

* fix after master merge

* adds watch client at discovery utils

* fixes consul watcher,
changes namings,
fixes data race

* small typo fix

* sanity fix

* fix naming and service node update
 2020-12-03 19:52:08 +02:00
Nikolay
bb2bcb9725 Adds eureka service discovery (#913) 
* Adds eureka service discovery
https://github.com/VictoriaMetrics/VictoriaMetrics/issues/851
Netflix service discovery for AWS

* Apply suggestions from code review

Co-authored-by: Aliaksandr Valialkin <valyala@gmail.com>
 2020-11-20 14:02:13 +02:00
Aliaksandr Valialkin
a8562d643b lib/promscrape: add -promscrape.dropOriginalLabels command-line flag for reducing memory usage when discovering big number of scrape targets 
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/878
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/825
 2020-11-10 00:20:49 +02:00
Nikolay
5b235b902b Adds ready probe (#874) 
* adds leading forward slash check for scrapeURL path
https://github.com/VictoriaMetrics/VictoriaMetrics/issues/835

* adds ready probe for scrape config initialization,
it should prevent metrics loss during vmagent rolling update,
/ready api will return 425 http code, if some scrape config still waits for initialization.

* updates docs

* Update app/vmagent/README.md

* renames var

* Update app/vmagent/README.md

Co-authored-by: Aliaksandr Valialkin <valyala@gmail.com>
 2020-11-04 20:33:48 +02:00
Aliaksandr Valialkin
f35aafb6a5 Revert "lib/promscrape: add -promscrape.dropOriginalLabels command-line flag for reducing memory usage when discovering big number of scrape targets" 
This reverts commit b08c6f5144.
 2020-11-04 11:45:38 +02:00
Aliaksandr Valialkin
b08c6f5144 lib/promscrape: add -promscrape.dropOriginalLabels command-line flag for reducing memory usage when discovering big number of scrape targets 
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/878
 2020-11-04 11:09:05 +02:00
Aliaksandr Valialkin
ed724d25ba lib/promscrape: add stream parse mode for efficient scraping of targets that expose millions of metrics 2020-11-01 23:12:26 +02:00
Aliaksandr Valialkin
abdf22e0bb app/vmagent: expose /api/v1/targets page according to https://prometheus.io/docs/prometheus/latest/querying/api/#targets 
This page is exposed by vmagent and by a single-node VictoriaMetrics

Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/643
 2020-10-20 21:55:14 +03:00
Nikolay Khramchikhin
7f96712b38 Adds dockerswarm sd (#818) 
* adds dockerswarm service discovery

https://github.com/VictoriaMetrics/VictoriaMetrics/issues/656

 Following roles supported: services, tasks and nodes.
 Basic, token and tls auth supported.
 Added tests for labels generation.

* added unix socket support to discovery utils

Co-authored-by: Aliaksandr Valialkin <valyala@gmail.com>
 2020-10-12 16:13:58 +03:00
Aliaksandr Valialkin
0d44e371f3 lib/promscrape: add -promscrape.suppressDuplicateScrapeTargetErrors command-line flag in order to suppress duplicate scrape target errors 
Show also original labels for duplicate targets in error message in order to simplify debugging the issue.

Now `/targets` endpoint accepts optional `show_original_labels=1` query arg, which shows original labels for each target.
This may simplify debugging for target relabeling.

Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/651
 2020-10-08 18:59:25 +03:00
Nikolay Khramchikhin
b4c77fc6d2 Adds openstack sd (#811) 
* adds openstack service discovery

https://github.com/VictoriaMetrics/VictoriaMetrics/issues/728

 implemented hypervisors and instance discovery with openstack v3 api.
 Added tests for labeling and data parsing.
 Added token refresh.

* Apply suggestions from code review

* Apply suggestions from code review

Co-authored-by: Aliaksandr Valialkin <valyala@gmail.com>
 2020-10-05 16:48:54 +03:00
Aliaksandr Valialkin
0c1c1b79ba lib/promscrape: add a link to troubleshooting docs to error message when duplicate scrape target with identical labels is skipped 2020-09-15 14:16:20 +03:00
Aliaksandr Valialkin
60c7397be5 all: support %{ENV_VAR} placeholders in yaml configs in all the vm* components 
Such placeholders are substituted by the corresponding environment variable values.

Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/583
 2020-08-13 17:17:06 +03:00
Roman Khavronenko
a02097e657 Extend metric vm_promscrape_targets with status label (#615) 
The change to `vm_promscrape_targets` metric suppose to improve observability
for `vmagent` so it will be possible to track how many targets are up or down
for every specific scrape group:
```
vm_promscrape_targets{type="static_configs", status="down"} 1
vm_promscrape_targets{type="static_configs", status="up"} 2
```
 2020-07-13 21:54:53 +03:00
Aliaksandr Valialkin
de7e585ac8 lib/promscrape: preserve the previously discovered targets on discovery errors per each job_name 
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/582
 2020-06-23 15:42:46 +03:00
Aliaksandr Valialkin
b59e089ac7 app/vmagent: add -dryRun option for checking all the configs mentioned in command-line flags without running vmagent 
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/362
 2020-05-21 15:23:18 +03:00
Aliaksandr Valialkin
8ab5e47b5c lib/promscrape: add Prometheus-compatible DNS-based service discovery aka dns_sd_configs 2020-05-06 00:02:41 +03:00
Aliaksandr Valialkin
1c8e97c8a0 lib/procutil: add NewSighupChan function, which returns a channel, which is triggered on every SIGHUP 2020-05-05 10:56:15 +03:00
Aliaksandr Valialkin
89aa6dbf56 lib/promscrape: add Prometheus-compatible service discovery for Consul aka consul_sd_configs 
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/330
 2020-05-04 20:53:06 +03:00
Aliaksandr Valialkin
f422203e10 lib/promscrape: reload only modified scrapers on config changes 
This should improve scrape stability when big number of targets are scraped and these targets are frequently changed.

Thanks to @xbsura for the idea and initial implementation attempts at the following pull requests:

- https://github.com/VictoriaMetrics/VictoriaMetrics/pull/449
- https://github.com/VictoriaMetrics/VictoriaMetrics/pull/458
- https://github.com/VictoriaMetrics/VictoriaMetrics/pull/459
- https://github.com/VictoriaMetrics/VictoriaMetrics/pull/460
 2020-05-03 12:47:16 +03:00
Aliaksandr Valialkin
86a1d9cb0c lib/promscrape: add initial support for Prometheus-compatible service discovery for Amazon EC2 aka ec2_sd_configs 2020-04-27 19:29:22 +03:00
Aliaksandr Valialkin
069690e3bd lib/promscrape: initial implementation for gce_sd_configs aga Prometheus-compatible service discovery for Google Compute Engine 2020-04-24 17:53:43 +03:00
Aliaksandr Valialkin
387a21c96d lib/promscrape: add -promscrape.configCheckInterval command-line flag for automating config checking 
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/431
 2020-04-23 23:41:26 +03:00
Aliaksandr Valialkin
99f0cb1f5f lib/promscrape: code cleanup in runScraper func 2020-04-15 11:36:35 +03:00
Aliaksandr Valialkin
7c4fb038e3 lib/promscrape: add initial support for kubernetes_sd_config 
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/334
 2020-04-13 21:03:53 +03:00
Aliaksandr Valialkin
7fbfef2aee lib/promscrape: extract common auth code to lib/promauth 2020-04-13 12:59:22 +03:00
Aliaksandr Valialkin
375d5483fa lib/promscrape: remove possible races when registering and de-registering scrape workers for /targets page 2020-03-11 16:30:43 +02:00
Aliaksandr Valialkin
187fd89c70 lib/promscrape: consistently update /targets page after SIGHUP 2020-03-11 03:20:38 +02:00
Aliaksandr Valialkin
31a76a7b3a lib/promscrape: consistency renaming: stopCh -> globalStopCh 2020-03-03 20:08:22 +02:00
Aliaksandr Valialkin
e6a481ab11 lib/promscrape: properly reload new configs on SIGHUP 2020-02-26 13:54:24 +02:00
Aliaksandr Valialkin
7ee7614e90 app/vmagent: initial implementation for vmagent 2020-02-23 17:31:54 +02:00