119 commits

Author	SHA1	Message	Date
Aliaksandr Valialkin	c3f8481011	lib/promscrape: update links to sd_configs from Prometheus site to https://docs.victoriametrics.com/sd_configs.html	2022-08-15 01:40:20 +03:00
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	c4fcd9f1c5	lib/promscrape/discovery/kubernetes: add __meta_kubernetes_service_port_number label to role: service in the same way as Prometheus 2.38 does ... See https://github.com/prometheus/prometheus/pull/11002	2022-08-15 01:06:34 +03:00
Aliaksandr Valialkin	0ef29ceb14	lib/promscrape/discovery/kubernetes: add missing __meta_kubernetes_ingress_class_name label for role: ingress ... See 7e65ad3e43 and 7e1111ff14	2022-08-05 20:55:00 +03:00
Aliaksandr Valialkin	01f55bc66b	lib/promscrape/discovery/kubernetes: properly populate service-level labels for role: endpointslice targets ... Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/2823	2022-07-07 00:32:26 +03:00
Aliaksandr Valialkin	b186b63e07	lib/promscrape/discovery/kubernetes: allow attaching node-level labels to role: endpoints and role: endpointlice targets in the same way as Prometheus does ... See https://github.com/prometheus/prometheus/pull/10759	2022-07-06 23:18:59 +03:00
Aliaksandr Valialkin	855436efd2	lib/promauth: refactor NewConfig in order to improve maintainability ... 1. Split NewConfig into smaller functions 2. Introduce Options struct for simplifying construction of the Config with various options This commit is based on https://github.com/VictoriaMetrics/VictoriaMetrics/pull/2684	2022-07-04 14:31:12 +03:00
Aliaksandr Valialkin	1c4f67c5d2	lib/promauth: add ability to send additional http headers in requests to scrape targets ... This solves https://stackoverflow.com/questions/66032498/prometheus-scrape-metric-with-custom-header	2022-06-22 20:39:43 +03:00
Aliaksandr Valialkin	a5814fe16a	lib/promscrape/discovery/kubernetes: use unsupportedFieldError() function instead of errContext string ... This improves code readability and maintainability a bit, since the format string is passed as string literal into fmt.Errorf.	2022-06-07 01:22:07 +03:00
Aliaksandr Valialkin	6f0a0e3072	lib/promscrape/discovery/kubernetes: follow-up after 006b8c7534 ... - make more clear error logs - simplify testing for newKubeConfig by passing only the path to kube_config file instead of SDConfig struct	2022-06-06 14:40:52 +03:00
Nikolay	a18914abee	lib/promscrape/discovery/kubernetes: follow-up after 0b5c874911 (#2672)	2022-06-01 20:44:45 +02:00
hadesy	006b8c7534	promscrape/discovery: support kubeconfig (#2533)	2022-06-01 20:34:00 +02:00
Roman Khavronenko	d5eb6afe26	lib/promscrape/discovery/kubernetes: fixes kubernetes service discovery (#2615) ... * lib/promscrape/discovery/kubernetes: properly updates discovered scrape works previously, added or updated scrapeworks may override previuosly discovered. it happens because swosByKey may contain small subset of kubernetes objects with it's labels. It happens for objectsUpdated and objectsAdded maps, which include only changed elements * Properly calculate vm_promscrape_discovery_kubernetes_scrape_works Co-authored-by: f41gh7 <nik@victoriametrics.com> Co-authored-by: Aliaksandr Valialkin <valyala@victoriametrics.com>	2022-05-21 01:01:37 +03:00
Aliaksandr Valialkin	123aa4c79e	lib/promscrape: properly implement ScrapeConfig.clone() ... Previously ScrapeConfig.clone() was improperly copying promauth.Secret fields - their contents was replaced with `<secret>` value. This led to inability to use passwords and secrets in `-promscrape.config` file. The bug has been introduced in v1.77.0 in the commit 67b10896d2 Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/2551	2022-05-07 00:05:40 +03:00
Aliaksandr Valialkin	6be07e8c25	lib/promscrape/discovery/kubernetes: do not drop pod meta-labels even if the corresponding node objects are missing ... This reflects the logic used in Prometheus. See https://github.com/prometheus/prometheus/pull/10080	2022-04-26 15:26:01 +03:00
Aliaksandr Valialkin	6f79b2b68b	lib/promscrape/discovery/kubernetes: limit the minimum sleep time between updating dependent ScrapeWork objects ... Previously the sleep time could be dropped to nanoseconds, which could result in CPU time waste	2022-04-22 23:14:17 +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	57a0aa204d	lib/promscrape/discovery/kubernetes: improve the performance of urlWatcher.reloadObjects() on multi-CPU systems ... Parallelize the generation of ScrapeWork objects there. Previously they were generated in a single goroutine.	2022-04-22 13:22:01 +03:00
Aliaksandr Valialkin	167d1bea8f	lib/promscrape/discovery/kubernetes: properly update endpoints and endpointslice objects when the related pod or service objects are updated ... Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1240 This is a follow-up for 2341bd48d7	2022-04-21 13:06:22 +03:00
Aliaksandr Valialkin	a2de31f8d3	lib/promscrape/discovery/kubernetes: do not pre-allocate memory for ScrapeWork objects ... There is high chance that ScrapeWork objects won't be generated because of relabeling	2022-04-20 16:40:25 +03:00
Aliaksandr Valialkin	2341bd48d7	lib/promscrape: follow-up after 91e290a8ff	2022-04-20 16:11:37 +03:00
Nikolay	91e290a8ff	lib/promscrape: reduce latency for k8s GetLabels (#2454) ... replaces internStringMap with sync.Map - it greatly reduces lock contention concurently reload scrape work for api watcher - each object labels added by dedicated CPU changes can be tested with following script https://gist.github.com/f41gh7/6f8f8d8719786aff1f18a85c23aebf70	2022-04-20 16:09:40 +03:00
Aliaksandr Valialkin	f6d0e5e74a	all: typo fix: Kuberntes -> Kubernetes	2022-04-20 10:50:49 +03:00
Aliaksandr Valialkin	3cb72ccc2a	lib/promscrape/discovery/kubernetes: add __meta_kubernetes_endpointslice_{label,annotation}* labels to be consistent with other role values for Kubernetes service discovery	2022-02-11 14:54:47 +02:00
Nikolay	4e7f7f3302	fixes service discovery for kubernetes (#2173) ... * fixes service discovery for kubernetes now it must take in account all pods that belong to the discovered endpoint and endpointslice adds simple test for endpoints https://github.com/VictoriaMetrics/VictoriaMetrics/issues/2134 * wip * docs/CHANGELOG.md: document the change Co-authored-by: Aliaksandr Valialkin <valyala@victoriametrics.com>	2022-02-11 13:34:22 +02:00
Aliaksandr Valialkin	80f03177c4	lib/promscrape/discovery/kubernetes: add __meta_kubernetes_node_provider_id label for discovered Kubernetes nodes in the same way as Prometheus does ... See https://github.com/prometheus/prometheus/pull/9603	2022-01-13 23:16:02 +02:00
Aliaksandr Valialkin	355a63733d	lib/promscrape/discovery/kubernetes: add the ability to limit service discovery to the current namespace ... See https://github.com/prometheus/prometheus/issues/9782 and https://github.com/prometheus/prometheus/pull/9881	2022-01-13 22:44:35 +02:00
Aliaksandr Valialkin	4821adfd95	lib/promscrape: properly show proxy_url option value at /config page ... Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1755	2021-10-26 21:23:54 +03:00
Aliaksandr Valialkin	3408a05d12	lib/promscrape/discovery/kubernetes: log a warning if role: endpoints discovers more than 1000 targets per a single endpoint ... In this case `role: endpointslice` must be used instead. See the following references: * https://kubernetes.io/docs/reference/labels-annotations-taints/#endpoints-kubernetes-io-over-capacity * https://github.com/kubernetes/kubernetes/pull/99975 * https://github.com/prometheus/prometheus/issues/7572#issuecomment-934779398	2021-10-19 13:20:40 +03:00
Aliaksandr Valialkin	f6d33596ff	lib/promscrape/discovery/kubernetes: rename endpointslices.go -> endpointslice.go in order to be consistent with EndpointSlice struct name ... This is a follow-up for 31b42b30b6	2021-10-15 12:27:12 +03:00
Aliaksandr Valialkin	6295861acd	lib/promscrape/discovery/kubernetes: properly use https scheme for wildcard TLS certificates in ingress target discovery	2021-09-13 13:03:42 +03:00
Aliaksandr Valialkin	5c63d69454	lib/promscrape/discovery/kubernetes: return back support role: endpointslices, since it is used by VictoriaMetrics operator ... This is a follow up commit after 31b42b30b6	2021-08-29 12:37:03 +03:00
Aliaksandr Valialkin	31b42b30b6	lib/promscrape/discovery/kubernetes: rename role: endpointslices to role: endpointslice to be consistent with Prometheus ... See 2ec6c7dbb8/discovery/kubernetes/kubernetes.go (L99)	2021-08-29 11:23:08 +03:00
Aliaksandr Valialkin	2e001db4de	lib/promscrape/discovery/kubernetes: use v1 API instead of v1beta1 API for role: ingress and role: endpointslices ... This should fix service discovery for these roles in Kubernetes v1.22 and newer versions. See https://kubernetes.io/docs/reference/using-api/deprecation-guide/#ingress-v122 The corresponding change in Prometheus - https://github.com/prometheus/prometheus/pull/9205	2021-08-29 11:16:59 +03:00
Aliaksandr Valialkin	a69045e440	lib/promscrape: consistently sort service discovery routines ... This should simplify further maintenance of the code	2021-06-25 12:10:46 +03:00
Nikolay	5b8176c68e	basic OAuth2 support for remoteWrite and scrape targets (#1316) ... * adds OAuth2 support for remoteWrite and scrapping * adds tests changes init	2021-05-22 16:20:18 +03:00
Aliaksandr Valialkin	22585531ad	lib/promscrape/discovery/kubernetes: make golangci-lint happy by removing empty branches	2021-05-20 12:00:29 +03:00
Aliaksandr Valialkin	eb8093ca6b	lib/promscrape/discovery/kubernetes: reload objects on object parse error ... Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1240	2021-05-18 23:25:48 +03:00
Aliaksandr Valialkin	0cf1fe19e6	lib/promscrape/discovery/kubernetes: simplify the reload logic for urlWatcher.objectsByKey	2021-05-18 15:40:46 +03:00
Aliaksandr Valialkin	bfb61de606	lib/promscrape/discovery/kubernetes: properly update vm_promscrape_discovery_kubernetes_scrape_works metric ... Previously it wasn't descreased during config update.	2021-05-18 15:33:45 +03:00
Aliaksandr Valialkin	3166994244	lib/promscrape/discovery/kubernetes: log errors and stop service discovery when unexpected updates are received from Kubernetes API server ... Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1240	2021-05-18 15:10:48 +03:00
Aliaksandr Valialkin	2eed410466	lib/promscrape/discovery/kubernetes: key ScrapeWork objects by urlWatcher instead of namespace ... This makes the code less fragile if urlWatcher would depend on additional to namepsace properties. Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1170 Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1240	2021-05-17 23:47:08 +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	cfd6aa28e1	lib/promscrape/discovery/kubernetes: refresh endpoints and endpointslices scrape targets every 5 seconds, since they may depend on changed service and pod objects ... This should make endpoints and endpointslices scrape targets eventually consistent with the maximum delay of 5 seconds after the related service or pod object changes. Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1240	2021-05-12 14:10:34 +03:00
Aliaksandr Valialkin	904bbffc7f	lib/promscrape/discovery/kubernetes: start watchers for pods and services before starting watchers for endpoints ... This should eliminate possible race when an update on endpoints depends on pods and/or services, which are missing in the cache yet. This could result in missing targets based on endpoints or endpointslices. Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1240	2021-05-05 12:23:50 +03:00
Aliaksandr Valialkin	2ab1266593	lib/promscrape/discovery/kubernetes: remove a mutex at urlWatcher - use groupWatcher mutex for accessing all the urlWatcher children ... This simplifies the code a bit and reduces the probability of improper mutex handling and deadlocks.	2021-04-29 10:14:26 +03:00
Nikolay	4e5a88114a	vmagent kubernetes_sd tests (#1253) ... * first part of tests for kubernetes sd * makes linter happy * added more test cases * adds pub/sub for tests	2021-04-29 10:10:24 +03:00
Aliaksandr Valialkin	2ec7d8b384	lib/promscrape/discovery/kubernetes: fix a deadlock introduced in eddba29664 ... Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1240 Thanks to @f41gh7 for providing the initial idea for deadlock fix at https://github.com/VictoriaMetrics/VictoriaMetrics/pull/1248	2021-04-27 14:57:51 +03:00
Aliaksandr Valialkin	eddba29664	lib/promscrape/discovery/kubernetes: refresh role: endpoints targets on service object removal as Prometheus does ... This is a follow-up for ae37cfd528 Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1240	2021-04-23 20:26:57 +03:00