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12 commits

Author SHA1 Message Date
Aliaksandr Valialkin
ef12598ad4
lib/promscrape/discovery/kubernetes: do not generate targets for already terminated pods and containers 
Already terminated pods and containers cannot be scraped and will never resurrect,
so there is zero sense in creating scrape targets for them.
 2024-01-24 14:57:53 +02:00
Aliaksandr Valialkin
ab57b92932
lib/promscrape/discovery/kubernetes: add support for __meta_kubernetes_pod_container_id 
See https://github.com/prometheus/prometheus/issues/11843
and https://github.com/prometheus/prometheus/pull/11844
 2023-01-27 16:34:06 -08:00
Aliaksandr Valialkin
f325410c26
lib/promscrape: optimize service discovery speed 
- Return meta-labels for the discovered targets via promutils.Labels
  instead of map[string]string. This improves the speed of generating
  meta-labels for discovered targets by up to 5x.

- Remove memory allocations in hot paths during ScrapeWork generation.
  The ScrapeWork contains scrape settings for a single discovered target.
  This improves the service discovery speed by up to 2x.
 2022-11-29 21:26:00 -08:00
Aliaksandr Valialkin
295c84df66
lib/promscrape/discovery: add a benchmark for measuring the performance of creating pod meta-labels 2022-11-29 20:27:48 -08:00
Aliaksandr Valialkin
95d36da358
lib/promscrape/discovery/kubernetes: add __meta_kubernetes_pod_container_image label in the same way as Prometheus 2.38 does 
See https://github.com/prometheus/prometheus/pull/11034
 2022-08-15 01:18:23 +03:00
Aliaksandr Valialkin
15190fcdae
lib/promscrape/discovery/kubernetes: allow attaching node-level labels and annotations to discovered pod targets in the same way as Prometheus 2.35 does 
See https://github.com/prometheus/prometheus/issues/9510
and https://github.com/prometheus/prometheus/pull/10080
 2022-04-22 20:15:41 +03:00
Aliaksandr Valialkin
133b288681 lib/promscrape/discovery/kubernetes: use a single watcher per apiURL 
Previously multiple scrape jobs could create multiple watchers for the same apiURL. Now only a single watcher is used.
This should reduce load on Kubernetes API server when many scrape job configs use Kubernetes service discovery.
 2021-03-11 16:43:04 +02:00
Aliaksandr Valialkin
1a3689af9a lib/promscrape/discovery/kubernetes: deflake tests; a follow-up for 05fb08713c 2021-03-01 14:32:12 +02:00
Aliaksandr Valialkin
815666e6a6 lib/promscrape/discovery/kubernetes: cache target labels 
This should reduce CPU usage on repeated SDConfig.GetLabels() calls.
 2021-02-26 20:23:28 +02:00
Aliaksandr Valialkin
c8f2f9b2e8 lib/promscrape: cleanup after 9b2246c29b 
Main points:

* Revert changes outside lib/promscrape/discovery/kuberntes . These changes can be applied later in a separate commit
* Minimize changes in lib/promscrape/discovery/kubernetes compared to a93e644001
* Corner case fixes.
 2021-02-26 16:54:05 +02:00
Aliaksandr Valialkin
9ef5935552 lib/promscrape: initial implementation for gce_sd_configs aga Prometheus-compatible service discovery for Google Compute Engine 2020-04-24 17:51:22 +03:00
Aliaksandr Valialkin
2e4e202c2b lib/promscrape: add initial support for kubernetes_sd_config 
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/334
 2020-04-13 21:03:28 +03:00