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11 commits

Author SHA1 Message Date
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