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426 commits

Author SHA1 Message Date
Aliaksandr Valialkin
3052b479b7 lib/httpserver: reduce typical duration for http server graceful shutdown 
Previously the duration for graceful shutdown for http server could take more than a minute
because of imporperly set timeouts in setNetworkTimeout.
Now typical duration for graceful shutdown should be reduced to less than 5 seconds.
 2020-05-07 14:16:38 +03:00
Aliaksandr Valialkin
c43a265716 lib/flagutil: make errcheck happy by explicitly ignoring Array.Set result in tests 2020-05-06 22:37:28 +03:00
Aliaksandr Valialkin
15e3682b40 lib/flagutil: properly parse quoted flag values for flagutil.Array 2020-05-06 22:28:15 +03:00
Aliaksandr Valialkin
20538a2a5d app/vmagent: allow setting independent auth configs per each configured -remoteWrite.url 2020-05-06 16:52:32 +03:00
Aliaksandr Valialkin
9f39e618ed lib/promscrape/discovery/gce: discover per-zone instances for gce_sd_config in parallel. This should reduce discovery latency 2020-05-06 15:00:23 +03:00
Aliaksandr Valialkin
8ab5e47b5c lib/promscrape: add Prometheus-compatible DNS-based service discovery aka dns_sd_configs 2020-05-06 00:02:41 +03:00
Aliaksandr Valialkin
42d563934b lib/promscrape: properly connect to TCP6 addresses if -enableTCP6 is set 2020-05-06 00:02:40 +03:00
Aliaksandr Valialkin
1c8e97c8a0 lib/procutil: add NewSighupChan function, which returns a channel, which is triggered on every SIGHUP 2020-05-05 10:56:15 +03:00
Aliaksandr Valialkin
054457d1f4 lib/promscrape: allow explicitly setting empty token via token: "" in consul_sd_config 2020-05-05 07:49:54 +03:00
Aliaksandr Valialkin
89aa6dbf56 lib/promscrape: add Prometheus-compatible service discovery for Consul aka consul_sd_configs 
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/330
 2020-05-04 20:53:06 +03:00
Aliaksandr Valialkin
28e0e8fd88 lib/promauth: properly set up client certificate in tls.Config 
Previously the client certificate has been mistakenly set up as a server certificate
 2020-05-04 20:53:04 +03:00
Aliaksandr Valialkin
ed91fe1d9b lib/promscrape: move common code for discovery api config map handling into discoveryutils 2020-05-04 20:52:58 +03:00
Aliaksandr Valialkin
c50fd219dc lib/promscrape/discovery/kubernetes/: unify apiConfig creation 2020-05-04 20:52:53 +03:00
Aliaksandr Valialkin
a5880f17af lib/promscrape: remove debug line left after the commit e4aac6ea40 2020-05-03 17:16:19 +03:00
Aliaksandr Valialkin
1f0e8fdc0d lib/promscrape: fix tests after the commit 658a8742ac 
The original commit copies `__address__` label to `instance` label when generating per-target labels as Prometheus does.

See https://www.robustperception.io/life-of-a-label for details.

Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/453
 2020-05-03 16:59:29 +03:00
DexterZhang
317688f144 fix(vmagent): different behavior as how prometheus deal with labels. [Issue#453] (#454) 2020-05-03 16:59:28 +03:00
Aliaksandr Valialkin
ab1e6a76bb lib/promscrape: make consistent scrape time offsets across reloads for the same ScrapeURL and Labels 
This should make consistent intervals between data points for scrape targets across reloads.
Previously these intervals were random.
 2020-05-03 14:31:22 +03:00
Aliaksandr Valialkin
f25416984b lib/promscrape: fix TestGetFileSDScrapeWorkSuccess after 3b234d82e5 2020-05-03 14:31:20 +03:00
Aliaksandr Valialkin
f422203e10 lib/promscrape: reload only modified scrapers on config changes 
This should improve scrape stability when big number of targets are scraped and these targets are frequently changed.

Thanks to @xbsura for the idea and initial implementation attempts at the following pull requests:

- https://github.com/VictoriaMetrics/VictoriaMetrics/pull/449
- https://github.com/VictoriaMetrics/VictoriaMetrics/pull/458
- https://github.com/VictoriaMetrics/VictoriaMetrics/pull/459
- https://github.com/VictoriaMetrics/VictoriaMetrics/pull/460
 2020-05-03 12:47:16 +03:00
Aliaksandr Valialkin
bbaca16ce8 lib/httpserver: rename http.externalURL to http.pathPrefix and improve help message for this flag 
The `http.externalURL` flag name was slightly misleading, so it has been renamed to `http.pathPrefix`.
 2020-05-02 13:12:24 +03:00
DexterZhang
a0589f2ca5 feat(httpserver): add http.externalUrl config to http server, it adds prefix to http path automatically (#452) 2020-05-02 13:12:23 +03:00
Aliaksandr Valialkin
b21b73115a app/vminsert: add /-/reload handler in the same way as for vmagent 2020-04-30 02:18:08 +03:00
Aliaksandr Valialkin
a970705d8e lib/procutil: prevent from app termination on SIGHUP signal, since this signal is frequently used for config reload 2020-04-30 02:18:06 +03:00
Aliaksandr Valialkin
d99f48aa48 lib/httpserver: mention that -http.maxGracefulShutdownDuration command-line flag value can be increased on shutdown timeout 2020-04-30 01:37:02 +03:00
Aliaksandr Valialkin
de5f923476 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 17:29:03 +03:00
Aliaksandr Valialkin
b6d88bac04 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 16:43:09 +03:00
Aliaksandr Valialkin
9ed4951ec8 lib/metricsql: move it to a separate repository - github.com/VictoriaMetrics/metrics 2020-04-28 15:30:06 +03:00
Aliaksandr Valialkin
d78ed50edd lib/storage: recover when metricID->metricName entry is missing in the inverted index after unclean shutdown 
Newly added index entries can be missing after unclean shutdown, since they didn't flush to persistent storage yet.
Log about this and delete the corresponding metricID, so it could be re-created next time.
 2020-04-28 12:01:32 +03:00
Aliaksandr Valialkin
53740d0026 lib/promscrape: handle connection reset when targets responds with http redirect 2020-04-28 02:14:32 +03:00
肖贝贝
3e6f29f462 fix: vmagent not follow 301/302 redirect bug (#445) 
Co-authored-by: xiaobeibei <xiaobeibei@bigo.sg>
 2020-04-28 02:14:31 +03:00
Aliaksandr Valialkin
424068f804 lib/promscrape: handle connection reset when targets responds with http redirect 2020-04-28 02:14:26 +03:00
肖贝贝
7d045bf2ca fix: vmagent not follow 301/302 redirect bug (#445) 
Co-authored-by: xiaobeibei <xiaobeibei@bigo.sg>
 2020-04-28 02:14:25 +03:00
Aliaksandr Valialkin
2aecf7c37c lib/{encoding,decimal}: typo fixes in tests: epxecting->expecting 2020-04-28 00:02:19 +03:00
Aliaksandr Valialkin
806dc73d8a lib/encoding: reduce possibility of failure in TestMarshalInt64ArraySize 2020-04-28 00:02:18 +03:00
Aliaksandr Valialkin
a603a15757 lib/promscrape/discovery/gce: make golangci-lint happy 2020-04-27 19:29:42 +03:00
Aliaksandr Valialkin
86a1d9cb0c lib/promscrape: add initial support for Prometheus-compatible service discovery for Amazon EC2 aka ec2_sd_configs 2020-04-27 19:29:22 +03:00
Aliaksandr Valialkin
1acb6eb25a lib/promscrape/discovery/gce: properly set filter query arg in api url 2020-04-27 16:01:53 +03:00
Aliaksandr Valialkin
0daa37fa02 lib/promscrape/discovery/gce: allow empty project and zone for gce_sd_config 2020-04-27 11:45:45 +03:00
Aliaksandr Valialkin
989d84cf3f app/{vminsert,vmstorage}: wait for ack from vmstorage after each packet sent to it from vminsert 
This should protect from possible data loss when `vmstorage` is stopped while the packet is sent from `vminsert`.

This commit switches to new protocol between vminsert and vmstorage, which is incompatible
with the previous protocol. So it is required that both vminsert and vmstorage nodes are updated.
 2020-04-27 09:53:26 +03:00
Aliaksandr Valialkin
e933cbac16 lib/storage: postpone reading data from blocks during search 
This eliminates the need for storing block data into temporary files on a single-node VictoriaMetrics
during heavy queries, which touch big number of time series over long time ranges.

This improves single-node VM performance on heavy queries by up to 2x.
 2020-04-27 08:44:01 +03:00
Aliaksandr Valialkin
31861c5b8e 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 14:37:38 +03:00
Aliaksandr Valialkin
b16e19c053 lib/storage/dedup.go: go fmt 2020-04-26 14:37:36 +03:00
Aliaksandr Valialkin
a0000c3a6e lib/storage: improve deduplication algorithm 
Now it leaves only the first data point on each `-dedup.minScrapeInterval` interval.

Previously it may leave two data points on the interval. This could lead to unexpected results
for `histogram_quantile(phi, sum(rate(buckets)) by (le))` query.
 2020-04-26 13:10:18 +03:00
Aliaksandr Valialkin
13b4069c59 lib/storage: postpone label filters matching too many time series instead of giving up with error 
This should reduce the frequency of the following errors:

    cannot find tag filter matching less than N time series; either increase -search.maxUniqueTimeseries or use more specific tag filters

    more than N time series found on the time range [...]; either increase -search.maxUniqueTimeseries or shrink the time range
 2020-04-24 21:18:52 +03:00
Aliaksandr Valialkin
7c74efd640 lib/promscrape/discovery/gce: make golint happy by ignoring resp.Body.Close() result 2020-04-24 18:13:26 +03:00
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
de991551f5 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 14:42:02 +03:00
Aliaksandr Valialkin
387a21c96d lib/promscrape: add -promscrape.configCheckInterval command-line flag for automating config checking 
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/431
 2020-04-23 23:41:26 +03:00
Aliaksandr Valialkin
83e4c8427e lib/promscrape: access Config entries by reference, so they can be compared by addresses 2020-04-23 14:38:29 +03:00
Aliaksandr Valialkin
e220f3eeb6 lib/promscrape: move KubernetesSDConfig to lib/promscrape/discovery/kubernetes 2020-04-23 11:34:30 +03:00