114 commits

Author	SHA1	Message	Date
Aliaksandr Valialkin	4d03ac90fc	lib/promscrape/discovery/kubernetes: properly populate service-level labels for role: endpointslice targets ... Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/2823	2022-07-07 00:36:25 +03:00
Aliaksandr Valialkin	c4cc45d7f8	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	2022-07-07 00:36:24 +03:00
Aliaksandr Valialkin	ecc11dc32d	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 14:31:43 +03:00
Aliaksandr Valialkin	3ae6300497	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 20:40:50 +03:00
Aliaksandr Valialkin	b6e3c12811	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 01:24:14 +03:00
Aliaksandr Valialkin	3dbb19d624	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 14:41:28 +03:00
Nikolay	72e43ef2fe	lib/promscrape/discovery/kubernetes: follow-up after 0b5c874911 (#2672)	2022-06-04 01:11:23 +03:00
hadesy	28d4624f60	promscrape/discovery: support kubeconfig (#2533)	2022-06-04 01:11:23 +03:00
Roman Khavronenko	7406665fc3	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 01:17:21 +03:00
Aliaksandr Valialkin	810dd74fb9	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 00:06:19 +03:00
Aliaksandr Valialkin	aa82987d70	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 15:27:42 +03:00
Aliaksandr Valialkin	c2b13e6a04	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 23:15:34 +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	cc6eae6992	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 13:23:39 +03:00
Aliaksandr Valialkin	fea9d1e6ee	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 13:06:49 +03:00
Aliaksandr Valialkin	e9f08b1e6a	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 16:42:41 +03:00
Aliaksandr Valialkin	909a3ee0e4	lib/promscrape: follow-up after 91e290a8ff	2022-04-20 16:12:26 +03:00
Nikolay	429848a67d	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 16:12:25 +03:00
Aliaksandr Valialkin	d0bac8e224	all: typo fix: Kuberntes -> Kubernetes	2022-04-20 10:51:41 +03:00
Aliaksandr Valialkin	727b29d4a3	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 14:56:10 +02:00
Nikolay	265938a385	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 13:35:34 +02:00
Aliaksandr Valialkin	dd91759f1f	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 23:17:24 +02:00
Aliaksandr Valialkin	bc18368c15	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 22:44:59 +02:00
Aliaksandr Valialkin	ad445a06cd	lib/promscrape: properly show proxy_url option value at /config page ... Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1755	2021-10-26 21:24:22 +03:00
Aliaksandr Valialkin	ea69eef375	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 13:22:28 +03:00
Aliaksandr Valialkin	3e9beb0f8d	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 12:27:31 +03:00
Aliaksandr Valialkin	6ed9f10da5	lib/promscrape/discovery/kubernetes: properly use https scheme for wildcard TLS certificates in ingress target discovery ... See https://github.com/prometheus/prometheus/issues/8902	2021-09-13 13:04:43 +03:00
Aliaksandr Valialkin	146c14d879	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 12:37:36 +03:00
Aliaksandr Valialkin	ca61d7c82b	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 11:23:59 +03:00
Aliaksandr Valialkin	327034b54f	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 11:23:58 +03:00
Aliaksandr Valialkin	4461e20e7d	lib/promscrape: consistently sort service discovery routines ... This should simplify further maintenance of the code	2021-06-25 13:22:16 +03:00
Nikolay	2780d6dbcd	basic OAuth2 support for remoteWrite and scrape targets (#1316) ... * adds OAuth2 support for remoteWrite and scrapping * adds tests changes init	2021-05-22 18:02:01 +03:00
Aliaksandr Valialkin	110a888e39	lib/promscrape/discovery/kubernetes: make golangci-lint happy by removing empty branches	2021-05-20 12:00:17 +03:00
Aliaksandr Valialkin	9d97f44772	lib/promscrape/discovery/kubernetes: reload objects on object parse error ... Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1240	2021-05-18 23:27:24 +03:00
Aliaksandr Valialkin	c507faec0b	lib/promscrape/discovery/kubernetes: simplify the reload logic for urlWatcher.objectsByKey	2021-05-18 15:41:51 +03:00
Aliaksandr Valialkin	0f54c0121b	lib/promscrape/discovery/kubernetes: properly update vm_promscrape_discovery_kubernetes_scrape_works metric ... Previously it wasn't descreased during config update.	2021-05-18 15:41:51 +03:00
Aliaksandr Valialkin	9f62d348db	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 15:41:51 +03:00
Aliaksandr Valialkin	8764b0ae21	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 23:49:48 +03:00
Aliaksandr Valialkin	e08287f017	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 20:03:35 +03:00
Aliaksandr Valialkin	a6cb4f10a7	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 18:13:34 +03:00
Aliaksandr Valialkin	027607db3e	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 14:12:43 +03:00
Aliaksandr Valialkin	e6c19cb09d	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 12:23:16 +03:00
Aliaksandr Valialkin	421a92983a	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 10:17:45 +03:00
Nikolay	535b3ff618	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 10:17:45 +03:00
Aliaksandr Valialkin	b3da457629	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 14:59:56 +03:00
Aliaksandr Valialkin	34321e5f8d	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 20:27:29 +03:00
Aliaksandr Valialkin	db27dbab5e	lib/promscrape/discovery/kubernetes: refresh endpoints and endpointslices targets on service object update like Prometheus does ... Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1240	2021-04-23 20:12:22 +03:00
Aliaksandr Valialkin	02b83e0957	lib/promscrape/discovery: remove superflouos check in registerPendingAPIWatchers ... The check `_, ok := uw.aws[aw]; !ok` isn't needed, since aw cannot exist in uw.aws because of the check inside subscribeAPIWatcher	2021-04-07 13:10:04 +03:00
Aliaksandr Valialkin	db56ee0e28	lib/promscrape/discovery/kubernetes: register pending apiWatchers in uw.aws	2021-04-06 11:11:53 +03:00
Aliaksandr Valialkin	edd66b7e82	lib/promscrape/discovery/kubernetes: remove superflouos mustStart and mustStop functions	2021-04-05 22:43:49 +03:00