Commit graph

227 commits

Author SHA1 Message Date
Aliaksandr Valialkin
7906316741 lib/promscrape/discovery/kubernetes: properly check for nil pointer inside interface
See https://mangatmodi.medium.com/go-check-nil-interface-the-right-way-d142776edef1

This fixes a panic when the ScrapeWork is filtered out in swcFunc.

Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1108
2021-03-03 10:33:17 +02:00
Aliaksandr Valialkin
d1d34664b5 lib/promscrape/discovery: properly track vm_promscrape_discovery_kubernetes_objects_removed_total metric 2021-03-02 18:32:54 +02:00
Aliaksandr Valialkin
6a7ef768ff lib/promscrape/discovery/kubernetes: cache ScrapeWork objects as soon as the corresponding k8s objects are changed
This should reduce CPU usage and memory usage when Kubernetes contains tens of thousands of objects
2021-03-02 16:42:55 +02:00
Aliaksandr Valialkin
22b1941cfc lib/promscrape/discovery/ec2: follow-up after f6114345de 2021-03-02 13:46:26 +02:00
Nikolay
f6114345de
Adds webIndentity token for aws (#1099)
https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1080
2021-03-02 13:27:09 +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
62ebf5c88e lib/promscrape: explicitly stop and cleanup service discovery routines when new config is read from -promscrape.config
This should reduce memory usage when `-promscrape.config` file frequently changes
2021-03-01 14:14:00 +02:00
Aliaksandr Valialkin
e02d1ef93c lib/promscrape/discovery/kubernetes: properly account the number of objects when watcher is stopped
A follow-up for b21b110b7a
2021-02-28 17:06:02 +02:00
Aliaksandr Valialkin
b21b110b7a lib/promscrape/discovery/kubernetes: add vm_promscrape_discovery_kubernetes_* metrics for monitoring internal state of k8s service discovery 2021-02-28 16:57:40 +02:00
Aliaksandr Valialkin
c459600346 lib/promscrape/discovery/kubernetes: remove resourceVersionMatch=NotOlderThan query arg when watching for k8s object changes, since it cannot be used when watch=1 query arg is passed 2021-02-28 16:07:14 +02:00
Aliaksandr Valialkin
68a0f5ce12 lib/promscrape/discovery/kubernetes: fix deadlock in startWatcherForURL
reloadObjects must be called without holding aw.mu lock
2021-02-28 15:26:30 +02:00
Aliaksandr Valialkin
b523e0369c lib/promscrape/discovery/kubernetes: typo fix after 241ffd1f3b 2021-02-28 15:12:17 +02:00
Aliaksandr Valialkin
241ffd1f3b lib/promscrape/discovery/kubernetes: pre-populate labelsByKey in reloadObject() 2021-02-28 15:09:49 +02:00
Aliaksandr Valialkin
05fb08713c lib/promscrape/discovery/kubernetes: compare sorted sets of labels in tests
This should deflake tests where the order of labels isn't stable
2021-02-28 14:10:19 +02:00
Aliaksandr Valialkin
af8b7e8391 lib/promscrape: add missing startWatchersForRole() call at the beginning of apiWatcher.getLabelsForRole 2021-02-28 14:00:17 +02:00
Aliaksandr Valialkin
422b31de40 lib/promscrape/discovery/kubernetes: reload k8s resources on every error
This is needed for obtaining fresh resourceVersion
2021-02-27 01:47:27 +02:00
Aliaksandr Valialkin
ed8441ec52 lib/promscrape: cache ScrapeWork
This should reduce the time needed for updating big number of scrape targets.
2021-02-26 21:43:22 +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
19712fc2bd lib/promscrape/discovery/kubernetes: errcheck fix 2021-02-26 17:00:08 +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
Nikolay
9b2246c29b
vmagent kubernetes watch stream discovery. (#1082)
* started work on sd for k8s

* continue work on watch sd

* fixes

* continue work

* continue work on sd k8s

* disable gzip

* fixes typos

* log errror

* minor fix

Co-authored-by: Aliaksandr Valialkin <valyala@gmail.com>
2021-02-26 16:46:13 +02:00
Aliaksandr Valialkin
a93e644001 lib/promscrape: remove duplicate code a bit 2021-02-26 16:39:56 +02:00
Aliaksandr Valialkin
38d7e96602 lib/promscrape/discovery/kubernetes: add __meta_kubernetes_endpoints_label_* and __meta_kuberntes_endpoints_annotation_* labels to role: endpoints
This syncs kubernetes SD with Prometheus 2.25
See 617c56f55a
2021-02-15 02:51:16 +02:00
Nikolay
48c8c5093b
fixes dockerswarm (#1053)
fixes improper usage of host network services
https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1028
2021-02-04 15:56:42 +02:00
Nikolay
b21e16ad0c
fixes kubernetes_sd (#983)
* fixes kubernetes_sd,
adds missing service metadata for pod ports without endpoint
https://github.com/VictoriaMetrics/VictoriaMetrics/issues/982

* fix test
2020-12-24 11:26:14 +02:00
Aliaksandr Valialkin
820669da69 lib/promscrape: code prettifying for 8dd03ecf19 2020-12-24 10:56:10 +02:00
Nikolay
8dd03ecf19
adds proxy_url support, (#980)
* adds proxy_url support,
adds proxy_url to the dockerswarm, eureka, kubernetes and consul service discovery,
adds proxy_url to the scrape_config for targets scrapping,
http based proxy is supported atm,
https://github.com/VictoriaMetrics/VictoriaMetrics/issues/503

* fixes imports
2020-12-24 10:52:37 +02:00
Aliaksandr Valialkin
5f9d88a3cb lib/promscrape/discovery/consul: reduce load on Consul API server by increasing timeout for blocking requests from 50 seconds to 9 minutes
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/574
2020-12-11 17:24:13 +02:00
Aliaksandr Valialkin
fd9fd191b9 lib/promscrape/discovery/consul: properly pass Datacenter filter to Consul API server
Previously it has been passed as `sdc` query arg, while it should be passed as `dc` query arg.
See https://www.consul.io/api-docs/health#list-nodes-for-service for details.

Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/574#issuecomment-740454170
2020-12-08 21:52:42 +02:00
Aliaksandr Valialkin
de0643fab5 lib/promscrape/discovery/consul: log the time needed for stoppig Consul service watcher 2020-12-03 20:14:55 +02:00
Aliaksandr Valialkin
9cd8eb92f1 lib/promscrape/discovery/consul: make sure that block response contains X-Consul-Index header 2020-12-03 20:05:23 +02:00
Aliaksandr Valialkin
5009b25a03 lib/promscrape: code cleanup after c6dee6c52d
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/574
2020-12-03 19:50:53 +02:00
Nikolay
c6dee6c52d
Changes consul discovery api (#921)
* adds consul watch api,
it must reduce load on consul service with blocking wait requests,
changed discoveryClient api with fetchResponseMeta callback.

* small fix

* fix after master merge

* adds watch client at discovery utils

* fixes consul watcher,
changes namings,
fixes data race

* small typo fix

* sanity fix

* fix naming and service node update
2020-12-03 19:47:40 +02:00
Aliaksandr Valialkin
aa90b93778 lib/promscrape: expose __meta_ec2_ipv6_addresses label for ec2_sd_config like Prometheus will do in the next release 2020-11-23 16:56:42 +02:00
Aliaksandr Valialkin
de523c81b9 lib/promscrape: add filters option to dockerswarm_sd_config like Prometheus did in v2.23.0 2020-11-23 16:27:40 +02:00
Aliaksandr Valialkin
d7932775cc lib/promscrape/discovery/eureka: follow-up after eec76718e9 2020-11-20 14:00:12 +02:00
Nikolay
eec76718e9
Adds eureka service discovery (#913)
* Adds eureka service discovery
https://github.com/VictoriaMetrics/VictoriaMetrics/issues/851
Netflix service discovery for AWS

* Apply suggestions from code review

Co-authored-by: Aliaksandr Valialkin <valyala@gmail.com>
2020-11-20 13:38:12 +02:00
Vasily
6fcbd17bdd Add omitempty for DisableCompression and DisableKeepAlive fields in ScrapeConfig (#796)
* Add omitempty for DisableCompression and DisableKeepAlive fields in ScrapeConfig

* Add omitempty annotation to all the default/optional values

* Fix annotations after review
2020-11-13 16:19:05 +02:00
Aliaksandr Valialkin
9e83335ca9 lib/promscrape/discovery/kubernetes: go fmt 2020-11-07 13:03:49 +02:00
Aliaksandr Valialkin
5407eed2f6 lib/promscrape/discovery/kubernetes: reduce memory usage for labels when discovering big number of scrape targets by using string concatenation instead of fmt.Sprintf
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/825
2020-11-07 13:03:08 +02:00
Nikolay Khramchikhin
e6ab69dd88
fixes openstack api endpoint with suffix trim adds openstack (#840)
api v2.0 check
2020-10-16 21:20:57 +03:00
Aliaksandr Valialkin
63c4999e06 lib/promscrape: code prettifying after 9bd9f67718 2020-10-12 16:12:36 +03:00
Nikolay Khramchikhin
9bd9f67718
Adds dockerswarm sd (#818)
* adds dockerswarm service discovery

https://github.com/VictoriaMetrics/VictoriaMetrics/issues/656

 Following roles supported: services, tasks and nodes.
 Basic, token and tls auth supported.
 Added tests for labels generation.

* added unix socket support to discovery utils

Co-authored-by: Aliaksandr Valialkin <valyala@gmail.com>
2020-10-12 13:38:21 +03:00
Aliaksandr Valialkin
90aa2a8ffd lib/promscrape/discovery/openstack: show expiration time for refreshed OpenStack token in seconds - this is easier to interpret by human 2020-10-06 11:34:09 +03:00
Aliaksandr Valialkin
aba899c298 lib/promscrape/discovery/openstack: code prettifying after cbe3cf683b
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/728
2020-10-05 18:11:55 +03:00
Nikolay Khramchikhin
cbe3cf683b
Adds openstack sd (#811)
* adds openstack service discovery

https://github.com/VictoriaMetrics/VictoriaMetrics/issues/728

 implemented hypervisors and instance discovery with openstack v3 api.
 Added tests for labeling and data parsing.
 Added token refresh.

* Apply suggestions from code review

* Apply suggestions from code review

Co-authored-by: Aliaksandr Valialkin <valyala@gmail.com>
2020-10-05 16:45:33 +03:00
Aliaksandr Valialkin
2985077c35 all: consistently use "%w" formatting in fmt.Errorf for wrapped errors 2020-09-23 22:46:34 +03:00
Aliaksandr Valialkin
964bc7595c lib/promscrape/discovery/ec2: code prettifying after 312fead9a2
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/771
2020-09-21 18:43:34 +03:00
Nikolay Khramchikhin
312fead9a2
Add improvements to ec2_sd_discovery (#775)
* Add improvements to ec2 discovery

https://github.com/VictoriaMetrics/VictoriaMetrics/issues/771

 role_arn support with aws sts
 instance iam_role support
 refreshing temporary tokens

* Apply suggestions from code review

Co-authored-by: Roman Khavronenko <hagen1778@gmail.com>

* changed implementation, removed tests, clean up code

* moved endpoint builder into getEC2APIResponse

Co-authored-by: Roman Khavronenko <hagen1778@gmail.com>
2020-09-21 16:04:15 +03:00
Aliaksandr Valialkin
0e19f35af5 lib/promscrape/discovery/dns: add __meta_dns_srv_record_target and __meta_dns_srv_record_port labels
This syncs dns service discovery with Prometheus 2.21 - see https://github.com/prometheus/prometheus/releases
and https://github.com/prometheus/prometheus/pull/7678 .
2020-09-11 23:39:13 +03:00
Nikolay Khramchikhin
6c80ae0da8
Added endpointslices discovery to k8s api (#760)
This is similar to https://github.com/prometheus/prometheus/pull/6838 , which will be added in Prometheus v2.21.
See https://github.com/prometheus/prometheus/releases/tag/v2.21.0-rc.1

* Added endpointslices discovery to k8s api

Started from 1.17 k8s version endpointslices is beta,
it allows to query k8s api for endpoints more efficient.
It presents at scrape_config.yaml as separate role for kubernetes_sd_config.
kubernetes_sd_config:
- role: endpointslices

* fixed typos, changed EndpointConditions signature - with values instead of pointers
2020-09-11 12:16:45 +03:00
Aliaksandr Valialkin
d5dddb0953 all: use %w instead of %s for wrapping errors in fmt.Errorf
This will simplify examining the returned errors such as httpserver.ErrorWithStatusCode .
See https://blog.golang.org/go1.13-errors for details.
2020-06-30 23:05:11 +03:00
Aliaksandr Valialkin
e149019c00 lib/promscrape/discovery/consul: reduce load on Consul when discovering big number of targets by using background caching
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/574
2020-06-20 18:20:01 +03:00
Aliaksandr Valialkin
6ff821c70d lib/promscrape/discovery/ec2: expose __meta_ec2_ami like the next Prometheus release will do
See b5d61fb66c for details
2020-06-20 17:45:23 +03:00
Aliaksandr Valialkin
0a134ace63 app/vmagent: fix scraping mTLS targets, which has been broken in v1.35.1
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/470
2020-05-12 17:23:03 +03:00
Aliaksandr Valialkin
68928bf3df lib/promscrape/discovery/gce: discover per-zone instances for gce_sd_config in parallel. This should reduce discovery latency 2020-05-06 15:00:09 +03:00
Aliaksandr Valialkin
3f52a97f9b lib/promscrape: add Prometheus-compatible DNS-based service discovery aka dns_sd_configs 2020-05-06 00:01:58 +03:00
Aliaksandr Valialkin
4fa817be10 lib/promscrape: allow explicitly setting empty token via token: "" in consul_sd_config 2020-05-05 07:50:15 +03:00
Aliaksandr Valialkin
40c3ffb359 lib/promscrape: add Prometheus-compatible service discovery for Consul aka consul_sd_configs
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/330
2020-05-04 20:51:17 +03:00
Aliaksandr Valialkin
218e566647 lib/promscrape: move common code for discovery api config map handling into discoveryutils 2020-05-04 20:51:01 +03:00
Aliaksandr Valialkin
6310b20e72 lib/promscrape/discovery/kubernetes/: unify apiConfig creation 2020-05-04 20:50:49 +03:00
Aliaksandr Valialkin
5ec036439d lib/promscrape: set 30 seconds timeout for discovery api requests
Previously such requests could hang for long time. This could make debugging harder.
2020-04-29 17:33:34 +03:00
Aliaksandr Valialkin
43c39dc36c vendor: use github.com/VictoriaMetrics/fasthttp instead of github.com/fasthttp/fasthttp
The upstream fasthttp may contain issues like 996610f021 ,
plus a code that isn't used by VictoriaMetrics. So let's use a private copy under our control instead.
2020-04-29 17:33:34 +03:00
Aliaksandr Valialkin
95942f1ac6 lib/promscrape/discovery/gce: make golangci-lint happy 2020-04-27 19:28:10 +03:00
Aliaksandr Valialkin
b768bc9a6a lib/promscrape: add initial support for Prometheus-compatible service discovery for Amazon EC2 aka ec2_sd_configs 2020-04-27 19:25:53 +03:00
Aliaksandr Valialkin
de59703a16 lib/promscrape/discovery/gce: properly set filter query arg in api url 2020-04-27 16:01:17 +03:00
Aliaksandr Valialkin
0224071ebe lib/promscrape/discovery/gce: allow empty project and zone for gce_sd_config 2020-04-27 11:45:02 +03:00
Aliaksandr Valialkin
6954d0edb7 lib/promscrape/discovery/gce: allow empty zone arg in gce_sd_config - in this case zones for the given project are automatically discovered 2020-04-26 14:34:11 +03:00
Aliaksandr Valialkin
7b8008e0bd lib/promscrape/discovery/gce: make golint happy by ignoring resp.Body.Close() result 2020-04-24 18:13:09 +03:00
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
24461153bf lib/promscrape: query /api/v1/namespaces/* for the configured namespaces in kubernetes_sd_config
This should fix authroization issues described at https://github.com/VictoriaMetrics/VictoriaMetrics/issues/432
2020-04-24 14:33:50 +03:00
Aliaksandr Valialkin
1c5d14a2eb lib/promscrape: move KubernetesSDConfig to lib/promscrape/discovery/kubernetes 2020-04-23 11:34:22 +03:00
Aliaksandr Valialkin
a714568374 lib/promscrape/discovery/kubernetes: hide role switch logic behind GetLabels function 2020-04-22 22:16:11 +03:00
Aliaksandr Valialkin
5454b518a6 lib/promscrape/discovery/kubernetes: reuse a client for empty api_server inside different jobs 2020-04-20 17:07:11 +03:00
Aliaksandr Valialkin
43375df923 lib/promscrape/discovery/kubernetes: update stale comments 2020-04-17 14:06:20 +03:00
Aliaksandr Valialkin
ac35635b71 lib/promscrape/discovery/kubernetes: remove only unused client for API server during cleaning 2020-04-14 14:19:21 +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