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12 commits

Author SHA1 Message Date
Aliaksandr Valialkin
1e364c992d
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 14:58:51 +02:00
Aliaksandr Valialkin
134f7622d6
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 16:33:57 -08:00
Aliaksandr Valialkin
be6da5053f
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 21:26:23 -08:00
Aliaksandr Valialkin
2524d94fe1
lib/promscrape/discovery: add a benchmark for measuring the performance of creating pod meta-labels 2022-11-29 21:11:03 -08:00
Aliaksandr Valialkin
1a00c9ef03
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 01:18:57 +03:00
Aliaksandr Valialkin
a89e31b304
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 20:15:34 +03:00
Aliaksandr Valialkin
8fc29ffc67 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 17:04:14 +02:00
Aliaksandr Valialkin
b89a4fac2f lib/promscrape/discovery/kubernetes: deflake tests; a follow-up for 05fb08713c 2021-03-01 14:31:44 +02:00
Aliaksandr Valialkin
efcdf613c2 lib/promscrape/discovery/kubernetes: cache target labels 
This should reduce CPU usage on repeated SDConfig.GetLabels() calls.
 2021-02-26 20:24:29 +02:00
Aliaksandr Valialkin
dc8c045378 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 19:09:12 +02:00
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
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