mirror of
https://github.com/VictoriaMetrics/VictoriaMetrics.git
synced 2024-12-11 14:53:49 +00:00
589 lines
24 KiB
Go
589 lines
24 KiB
Go
package main
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import (
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"errors"
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"flag"
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"fmt"
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"net/http"
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"os"
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"strings"
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"time"
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"github.com/VictoriaMetrics/VictoriaMetrics/app/vmselect/graphite"
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"github.com/VictoriaMetrics/VictoriaMetrics/app/vmselect/netstorage"
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"github.com/VictoriaMetrics/VictoriaMetrics/app/vmselect/prometheus"
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"github.com/VictoriaMetrics/VictoriaMetrics/app/vmselect/promql"
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"github.com/VictoriaMetrics/VictoriaMetrics/app/vmselect/searchutils"
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"github.com/VictoriaMetrics/VictoriaMetrics/lib/auth"
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"github.com/VictoriaMetrics/VictoriaMetrics/lib/buildinfo"
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"github.com/VictoriaMetrics/VictoriaMetrics/lib/cgroup"
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"github.com/VictoriaMetrics/VictoriaMetrics/lib/envflag"
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"github.com/VictoriaMetrics/VictoriaMetrics/lib/flagutil"
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"github.com/VictoriaMetrics/VictoriaMetrics/lib/fs"
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"github.com/VictoriaMetrics/VictoriaMetrics/lib/httpserver"
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"github.com/VictoriaMetrics/VictoriaMetrics/lib/logger"
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"github.com/VictoriaMetrics/VictoriaMetrics/lib/procutil"
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"github.com/VictoriaMetrics/VictoriaMetrics/lib/storage"
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"github.com/VictoriaMetrics/VictoriaMetrics/lib/tenantmetrics"
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"github.com/VictoriaMetrics/VictoriaMetrics/lib/timerpool"
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"github.com/VictoriaMetrics/metrics"
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)
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var (
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httpListenAddr = flag.String("httpListenAddr", ":8481", "Address to listen for http connections")
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cacheDataPath = flag.String("cacheDataPath", "", "Path to directory for cache files. Cache isn't saved if empty")
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maxConcurrentRequests = flag.Int("search.maxConcurrentRequests", getDefaultMaxConcurrentRequests(), "The maximum number of concurrent search requests. "+
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"It shouldn't be high, since a single request can saturate all the CPU cores. See also -search.maxQueueDuration")
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maxQueueDuration = flag.Duration("search.maxQueueDuration", 10*time.Second, "The maximum time the request waits for execution when -search.maxConcurrentRequests "+
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"limit is reached; see also -search.maxQueryDuration")
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minScrapeInterval = flag.Duration("dedup.minScrapeInterval", 0, "Remove superflouos samples from time series if they are located closer to each other than this duration. "+
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"This may be useful for reducing overhead when multiple identically configured Prometheus instances write data to the same VictoriaMetrics. "+
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"Deduplication is disabled if the -dedup.minScrapeInterval is 0")
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resetCacheAuthKey = flag.String("search.resetCacheAuthKey", "", "Optional authKey for resetting rollup cache via /internal/resetRollupResultCache call")
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storageNodes = flagutil.NewArray("storageNode", "Addresses of vmstorage nodes; usage: -storageNode=vmstorage-host1:8401 -storageNode=vmstorage-host2:8401")
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)
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func getDefaultMaxConcurrentRequests() int {
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n := cgroup.AvailableCPUs()
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if n <= 4 {
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n *= 2
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}
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if n > 16 {
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// A single request can saturate all the CPU cores, so there is no sense
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// in allowing higher number of concurrent requests - they will just contend
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// for unavailable CPU time.
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n = 16
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}
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return n
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}
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func main() {
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// Write flags and help message to stdout, since it is easier to grep or pipe.
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flag.CommandLine.SetOutput(os.Stdout)
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flag.Usage = usage
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envflag.Parse()
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buildinfo.Init()
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logger.Init()
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logger.Infof("starting netstorage at storageNodes %s", *storageNodes)
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startTime := time.Now()
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storage.SetMinScrapeIntervalForDeduplication(*minScrapeInterval)
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if len(*storageNodes) == 0 {
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logger.Fatalf("missing -storageNode arg")
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}
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netstorage.InitStorageNodes(*storageNodes)
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logger.Infof("started netstorage in %.3f seconds", time.Since(startTime).Seconds())
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if len(*cacheDataPath) > 0 {
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tmpDataPath := *cacheDataPath + "/tmp"
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fs.RemoveDirContents(tmpDataPath)
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netstorage.InitTmpBlocksDir(tmpDataPath)
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promql.InitRollupResultCache(*cacheDataPath + "/rollupResult")
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} else {
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netstorage.InitTmpBlocksDir("")
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promql.InitRollupResultCache("")
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}
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concurrencyCh = make(chan struct{}, *maxConcurrentRequests)
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go func() {
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httpserver.Serve(*httpListenAddr, requestHandler)
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}()
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sig := procutil.WaitForSigterm()
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logger.Infof("service received signal %s", sig)
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logger.Infof("gracefully shutting down http service at %q", *httpListenAddr)
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startTime = time.Now()
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if err := httpserver.Stop(*httpListenAddr); err != nil {
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logger.Fatalf("cannot stop http service: %s", err)
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}
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logger.Infof("successfully shut down http service in %.3f seconds", time.Since(startTime).Seconds())
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logger.Infof("shutting down neststorage...")
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startTime = time.Now()
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netstorage.Stop()
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if len(*cacheDataPath) > 0 {
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promql.StopRollupResultCache()
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}
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logger.Infof("successfully stopped netstorage in %.3f seconds", time.Since(startTime).Seconds())
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fs.MustStopDirRemover()
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logger.Infof("the vmselect has been stopped")
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}
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var concurrencyCh chan struct{}
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var (
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concurrencyLimitReached = metrics.NewCounter(`vm_concurrent_select_limit_reached_total`)
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concurrencyLimitTimeout = metrics.NewCounter(`vm_concurrent_select_limit_timeout_total`)
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_ = metrics.NewGauge(`vm_concurrent_select_capacity`, func() float64 {
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return float64(cap(concurrencyCh))
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})
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_ = metrics.NewGauge(`vm_concurrent_select_current`, func() float64 {
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return float64(len(concurrencyCh))
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})
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)
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func requestHandler(w http.ResponseWriter, r *http.Request) bool {
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if r.URL.Path == "/" {
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fmt.Fprintf(w, "vmselect - a component of VictoriaMetrics cluster. See docs at https://victoriametrics.github.io/Cluster-VictoriaMetrics.html")
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return true
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}
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startTime := time.Now()
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// Limit the number of concurrent queries.
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select {
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case concurrencyCh <- struct{}{}:
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defer func() { <-concurrencyCh }()
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default:
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// Sleep for a while until giving up. This should resolve short bursts in requests.
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concurrencyLimitReached.Inc()
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d := searchutils.GetMaxQueryDuration(r)
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if d > *maxQueueDuration {
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d = *maxQueueDuration
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}
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t := timerpool.Get(d)
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select {
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case concurrencyCh <- struct{}{}:
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timerpool.Put(t)
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defer func() { <-concurrencyCh }()
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case <-t.C:
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timerpool.Put(t)
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concurrencyLimitTimeout.Inc()
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err := &httpserver.ErrorWithStatusCode{
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Err: fmt.Errorf("cannot handle more than %d concurrent search requests during %s; possible solutions: "+
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"increase `-search.maxQueueDuration`; increase `-search.maxQueryDuration`; increase `-search.maxConcurrentRequests`; "+
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"increase server capacity",
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*maxConcurrentRequests, d),
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StatusCode: http.StatusServiceUnavailable,
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}
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httpserver.Errorf(w, r, "%s", err)
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return true
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}
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}
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path := strings.Replace(r.URL.Path, "//", "/", -1)
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if path == "/internal/resetRollupResultCache" {
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if len(*resetCacheAuthKey) > 0 && r.FormValue("authKey") != *resetCacheAuthKey {
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sendPrometheusError(w, r, fmt.Errorf("invalid authKey=%q for %q", r.FormValue("authKey"), path))
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return true
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}
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promql.ResetRollupResultCache()
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return true
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}
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if path == "/api/v1/status/top_queries" {
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globalTopQueriesRequests.Inc()
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if err := prometheus.QueryStatsHandler(startTime, nil, w, r); err != nil {
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globalTopQueriesErrors.Inc()
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sendPrometheusError(w, r, err)
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return true
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}
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return true
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}
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p, err := httpserver.ParsePath(path)
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if err != nil {
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httpserver.Errorf(w, r, "cannot parse path %q: %s", path, err)
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return true
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}
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at, err := auth.NewToken(p.AuthToken)
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if err != nil {
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httpserver.Errorf(w, r, "auth error: %s", err)
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return true
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}
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switch p.Prefix {
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case "select":
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return selectHandler(startTime, w, r, p, at)
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case "delete":
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return deleteHandler(startTime, w, r, p, at)
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default:
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// This is not our link
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return false
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}
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}
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func selectHandler(startTime time.Time, w http.ResponseWriter, r *http.Request, p *httpserver.Path, at *auth.Token) bool {
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defer func() {
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// Count per-tenant cumulative durations and total requests
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httpRequests.Get(at).Inc()
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httpRequestsDuration.Get(at).Add(int(time.Since(startTime).Milliseconds()))
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}()
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if strings.HasPrefix(p.Suffix, "prometheus/api/v1/label/") {
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s := p.Suffix[len("prometheus/api/v1/label/"):]
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if strings.HasSuffix(s, "/values") {
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labelValuesRequests.Inc()
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labelName := s[:len(s)-len("/values")]
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httpserver.EnableCORS(w, r)
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if err := prometheus.LabelValuesHandler(startTime, at, labelName, w, r); err != nil {
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labelValuesErrors.Inc()
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sendPrometheusError(w, r, err)
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return true
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}
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return true
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}
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}
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if strings.HasPrefix(p.Suffix, "graphite/tags/") && !isGraphiteTagsPath(p.Suffix[len("graphite"):]) {
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tagName := p.Suffix[len("graphite/tags/"):]
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graphiteTagValuesRequests.Inc()
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if err := graphite.TagValuesHandler(startTime, at, tagName, w, r); err != nil {
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graphiteTagValuesErrors.Inc()
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httpserver.Errorf(w, r, "error in %q: %s", r.URL.Path, err)
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return true
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}
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return true
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}
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switch p.Suffix {
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case "prometheus/api/v1/query":
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queryRequests.Inc()
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httpserver.EnableCORS(w, r)
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if err := prometheus.QueryHandler(startTime, at, w, r); err != nil {
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queryErrors.Inc()
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sendPrometheusError(w, r, err)
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return true
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}
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return true
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case "prometheus/api/v1/query_range":
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queryRangeRequests.Inc()
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httpserver.EnableCORS(w, r)
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if err := prometheus.QueryRangeHandler(startTime, at, w, r); err != nil {
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queryRangeErrors.Inc()
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sendPrometheusError(w, r, err)
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return true
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}
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return true
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case "prometheus/api/v1/series":
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seriesRequests.Inc()
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httpserver.EnableCORS(w, r)
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if err := prometheus.SeriesHandler(startTime, at, w, r); err != nil {
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seriesErrors.Inc()
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sendPrometheusError(w, r, err)
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return true
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}
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return true
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case "prometheus/api/v1/series/count":
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seriesCountRequests.Inc()
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httpserver.EnableCORS(w, r)
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if err := prometheus.SeriesCountHandler(startTime, at, w, r); err != nil {
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seriesCountErrors.Inc()
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sendPrometheusError(w, r, err)
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return true
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}
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return true
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case "prometheus/api/v1/labels":
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labelsRequests.Inc()
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httpserver.EnableCORS(w, r)
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if err := prometheus.LabelsHandler(startTime, at, w, r); err != nil {
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labelsErrors.Inc()
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sendPrometheusError(w, r, err)
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return true
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}
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return true
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case "prometheus/api/v1/labels/count":
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labelsCountRequests.Inc()
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httpserver.EnableCORS(w, r)
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if err := prometheus.LabelsCountHandler(startTime, at, w, r); err != nil {
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labelsCountErrors.Inc()
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sendPrometheusError(w, r, err)
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return true
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}
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return true
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case "prometheus/api/v1/status/tsdb":
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statusTSDBRequests.Inc()
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if err := prometheus.TSDBStatusHandler(startTime, at, w, r); err != nil {
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statusTSDBErrors.Inc()
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sendPrometheusError(w, r, err)
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return true
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}
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return true
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case "prometheus/api/v1/status/active_queries":
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statusActiveQueriesRequests.Inc()
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promql.WriteActiveQueries(w)
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return true
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case "prometheus/api/v1/status/top_queries":
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topQueriesRequests.Inc()
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if err := prometheus.QueryStatsHandler(startTime, at, w, r); err != nil {
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topQueriesErrors.Inc()
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sendPrometheusError(w, r, err)
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return true
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}
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return true
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case "prometheus/api/v1/export":
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exportRequests.Inc()
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if err := prometheus.ExportHandler(startTime, at, w, r); err != nil {
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exportErrors.Inc()
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httpserver.Errorf(w, r, "error in %q: %s", r.URL.Path, err)
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return true
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}
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return true
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case "prometheus/api/v1/export/native":
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exportNativeRequests.Inc()
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if err := prometheus.ExportNativeHandler(startTime, at, w, r); err != nil {
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exportNativeErrors.Inc()
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httpserver.Errorf(w, r, "error in %q: %s", r.URL.Path, err)
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return true
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}
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return true
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case "prometheus/api/v1/export/csv":
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exportCSVRequests.Inc()
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if err := prometheus.ExportCSVHandler(startTime, at, w, r); err != nil {
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exportCSVErrors.Inc()
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httpserver.Errorf(w, r, "error in %q: %s", r.URL.Path, err)
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return true
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}
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return true
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case "prometheus/federate":
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federateRequests.Inc()
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if err := prometheus.FederateHandler(startTime, at, w, r); err != nil {
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federateErrors.Inc()
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httpserver.Errorf(w, r, "error in %q: %s", r.URL.Path, err)
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return true
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}
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return true
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case "graphite/metrics/find", "graphite/metrics/find/":
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graphiteMetricsFindRequests.Inc()
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httpserver.EnableCORS(w, r)
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if err := graphite.MetricsFindHandler(startTime, at, w, r); err != nil {
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graphiteMetricsFindErrors.Inc()
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httpserver.Errorf(w, r, "error in %q: %s", r.URL.Path, err)
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return true
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}
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return true
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case "graphite/metrics/expand", "graphite/metrics/expand/":
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graphiteMetricsExpandRequests.Inc()
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httpserver.EnableCORS(w, r)
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if err := graphite.MetricsExpandHandler(startTime, at, w, r); err != nil {
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graphiteMetricsExpandErrors.Inc()
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httpserver.Errorf(w, r, "error in %q: %s", r.URL.Path, err)
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return true
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}
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return true
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case "graphite/metrics/index.json", "graphite/metrics/index.json/":
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graphiteMetricsIndexRequests.Inc()
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httpserver.EnableCORS(w, r)
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if err := graphite.MetricsIndexHandler(startTime, at, w, r); err != nil {
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graphiteMetricsIndexErrors.Inc()
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httpserver.Errorf(w, r, "error in %q: %s", r.URL.Path, err)
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return true
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}
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return true
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case "graphite/tags/tagSeries":
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graphiteTagsTagSeriesRequests.Inc()
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if err := graphite.TagsTagSeriesHandler(startTime, at, w, r); err != nil {
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graphiteTagsTagSeriesErrors.Inc()
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httpserver.Errorf(w, r, "error in %q: %s", r.URL.Path, err)
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return true
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}
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return true
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case "graphite/tags/tagMultiSeries":
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graphiteTagsTagMultiSeriesRequests.Inc()
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if err := graphite.TagsTagMultiSeriesHandler(startTime, at, w, r); err != nil {
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graphiteTagsTagMultiSeriesErrors.Inc()
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httpserver.Errorf(w, r, "error in %q: %s", r.URL.Path, err)
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return true
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}
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return true
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case "graphite/tags":
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graphiteTagsRequests.Inc()
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if err := graphite.TagsHandler(startTime, at, w, r); err != nil {
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graphiteTagsErrors.Inc()
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httpserver.Errorf(w, r, "error in %q: %s", r.URL.Path, err)
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return true
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}
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return true
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case "graphite/tags/findSeries":
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graphiteTagsFindSeriesRequests.Inc()
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if err := graphite.TagsFindSeriesHandler(startTime, at, w, r); err != nil {
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graphiteTagsFindSeriesErrors.Inc()
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httpserver.Errorf(w, r, "error in %q: %s", r.URL.Path, err)
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return true
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}
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return true
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case "graphite/tags/autoComplete/tags":
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graphiteTagsAutoCompleteTagsRequests.Inc()
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httpserver.EnableCORS(w, r)
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if err := graphite.TagsAutoCompleteTagsHandler(startTime, at, w, r); err != nil {
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graphiteTagsAutoCompleteTagsErrors.Inc()
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httpserver.Errorf(w, r, "error in %q: %s", r.URL.Path, err)
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return true
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}
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return true
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case "graphite/tags/autoComplete/values":
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graphiteTagsAutoCompleteValuesRequests.Inc()
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httpserver.EnableCORS(w, r)
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if err := graphite.TagsAutoCompleteValuesHandler(startTime, at, w, r); err != nil {
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graphiteTagsAutoCompleteValuesErrors.Inc()
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httpserver.Errorf(w, r, "error in %q: %s", r.URL.Path, err)
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return true
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}
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return true
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case "graphite/tags/delSeries":
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graphiteTagsDelSeriesRequests.Inc()
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if err := graphite.TagsDelSeriesHandler(startTime, at, w, r); err != nil {
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graphiteTagsDelSeriesErrors.Inc()
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httpserver.Errorf(w, r, "error in %q: %s", r.URL.Path, err)
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return true
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}
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return true
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case "prometheus/api/v1/rules":
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// Return dumb placeholder
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rulesRequests.Inc()
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w.Header().Set("Content-Type", "application/json; charset=utf-8")
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fmt.Fprintf(w, "%s", `{"status":"success","data":{"groups":[]}}`)
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return true
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case "prometheus/api/v1/alerts":
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// Return dumb placehloder
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alertsRequests.Inc()
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w.Header().Set("Content-Type", "application/json; charset=utf-8")
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fmt.Fprintf(w, "%s", `{"status":"success","data":{"alerts":[]}}`)
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return true
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case "prometheus/api/v1/metadata":
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// Return dumb placeholder
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metadataRequests.Inc()
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w.Header().Set("Content-Type", "application/json; charset=utf-8")
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fmt.Fprintf(w, "%s", `{"status":"success","data":{}}`)
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return true
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default:
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return false
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}
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}
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func deleteHandler(startTime time.Time, w http.ResponseWriter, r *http.Request, p *httpserver.Path, at *auth.Token) bool {
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switch p.Suffix {
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case "prometheus/api/v1/admin/tsdb/delete_series":
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deleteRequests.Inc()
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|
if err := prometheus.DeleteHandler(startTime, at, r); err != nil {
|
|
deleteErrors.Inc()
|
|
httpserver.Errorf(w, r, "error in %q: %s", r.URL.Path, err)
|
|
return true
|
|
}
|
|
w.WriteHeader(http.StatusNoContent)
|
|
return true
|
|
default:
|
|
return false
|
|
}
|
|
}
|
|
|
|
func isGraphiteTagsPath(path string) bool {
|
|
switch path {
|
|
// See https://graphite.readthedocs.io/en/stable/tags.html for a list of Graphite Tags API paths.
|
|
// Do not include `/tags/<tag_name>` here, since this will fool the caller.
|
|
case "/tags/tagSeries", "/tags/tagMultiSeries", "/tags/findSeries",
|
|
"/tags/autoComplete/tags", "/tags/autoComplete/values", "/tags/delSeries":
|
|
return true
|
|
default:
|
|
return false
|
|
}
|
|
}
|
|
|
|
func sendPrometheusError(w http.ResponseWriter, r *http.Request, err error) {
|
|
logger.Warnf("error in %q: %s", r.RequestURI, err)
|
|
|
|
w.Header().Set("Content-Type", "application/json; charset=utf-8")
|
|
statusCode := http.StatusUnprocessableEntity
|
|
var esc *httpserver.ErrorWithStatusCode
|
|
if errors.As(err, &esc) {
|
|
statusCode = esc.StatusCode
|
|
}
|
|
w.WriteHeader(statusCode)
|
|
prometheus.WriteErrorResponse(w, statusCode, err)
|
|
}
|
|
|
|
var (
|
|
labelValuesRequests = metrics.NewCounter(`vm_http_requests_total{path="/select/{}/prometheus/api/v1/label/{}/values"}`)
|
|
labelValuesErrors = metrics.NewCounter(`vm_http_request_errors_total{path="/select/{}/prometheus/api/v1/label/{}/values"}`)
|
|
|
|
queryRequests = metrics.NewCounter(`vm_http_requests_total{path="/select/{}/prometheus/api/v1/query"}`)
|
|
queryErrors = metrics.NewCounter(`vm_http_request_errors_total{path="/select/{}/prometheus/api/v1/query"}`)
|
|
|
|
queryRangeRequests = metrics.NewCounter(`vm_http_requests_total{path="/select/{}/prometheus/api/v1/query_range"}`)
|
|
queryRangeErrors = metrics.NewCounter(`vm_http_request_errors_total{path="/select/{}/prometheus/api/v1/query_range"}`)
|
|
|
|
seriesRequests = metrics.NewCounter(`vm_http_requests_total{path="/select/{}/prometheus/api/v1/series"}`)
|
|
seriesErrors = metrics.NewCounter(`vm_http_request_errors_total{path="/select/{}/prometheus/api/v1/series"}`)
|
|
|
|
seriesCountRequests = metrics.NewCounter(`vm_http_requests_total{path="/select/{}/prometheus/api/v1/series/count"}`)
|
|
seriesCountErrors = metrics.NewCounter(`vm_http_request_errors_total{path="/select/{}/prometheus/api/v1/series/count"}`)
|
|
|
|
labelsRequests = metrics.NewCounter(`vm_http_requests_total{path="/select/{}/prometheus/api/v1/labels"}`)
|
|
labelsErrors = metrics.NewCounter(`vm_http_request_errors_total{path="/select/{}/prometheus/api/v1/labels"}`)
|
|
|
|
labelsCountRequests = metrics.NewCounter(`vm_http_requests_total{path="/select/{}/prometheus/api/v1/labels/count"}`)
|
|
labelsCountErrors = metrics.NewCounter(`vm_http_request_errors_total{path="/select/{}/prometheus/api/v1/labels/count"}`)
|
|
|
|
statusTSDBRequests = metrics.NewCounter(`vm_http_requests_total{path="/select/{}/prometheus/api/v1/status/tsdb"}`)
|
|
statusTSDBErrors = metrics.NewCounter(`vm_http_request_errors_total{path="/select/{}/prometheus/api/v1/status/tsdb"}`)
|
|
|
|
statusActiveQueriesRequests = metrics.NewCounter(`vm_http_requests_total{path="/select/{}prometheus/api/v1/status/active_queries"}`)
|
|
|
|
topQueriesRequests = metrics.NewCounter(`vm_http_requests_total{path="/select/{}/prometheus/api/v1/status/top_queries"}`)
|
|
topQueriesErrors = metrics.NewCounter(`vm_http_request_errors_total{path="/select/{}/prometheus/api/v1/status/top_queries"}`)
|
|
|
|
globalTopQueriesRequests = metrics.NewCounter(`vm_http_requests_total{path="/api/v1/status/top_queries"}`)
|
|
globalTopQueriesErrors = metrics.NewCounter(`vm_http_request_errors_total{path="/api/v1/status/top_queries"}`)
|
|
|
|
deleteRequests = metrics.NewCounter(`vm_http_requests_total{path="/delete/{}/prometheus/api/v1/admin/tsdb/delete_series"}`)
|
|
deleteErrors = metrics.NewCounter(`vm_http_request_errors_total{path="/delete/{}/prometheus/api/v1/admin/tsdb/delete_series"}`)
|
|
|
|
exportRequests = metrics.NewCounter(`vm_http_requests_total{path="/select/{}/prometheus/api/v1/export"}`)
|
|
exportErrors = metrics.NewCounter(`vm_http_request_errors_total{path="/select/{}/prometheus/api/v1/export"}`)
|
|
|
|
exportNativeRequests = metrics.NewCounter(`vm_http_requests_total{path="/select/{}/prometheus/api/v1/export/native"}`)
|
|
exportNativeErrors = metrics.NewCounter(`vm_http_request_errors_total{path="/select/{}/prometheus/api/v1/export/native"}`)
|
|
|
|
exportCSVRequests = metrics.NewCounter(`vm_http_requests_total{path="/select/{}/prometheus/api/v1/export/csv"}`)
|
|
exportCSVErrors = metrics.NewCounter(`vm_http_request_errors_total{path="/select/{}/prometheus/api/v1/export/csv"}`)
|
|
|
|
federateRequests = metrics.NewCounter(`vm_http_requests_total{path="/select/{}/prometheus/federate"}`)
|
|
federateErrors = metrics.NewCounter(`vm_http_request_errors_total{path="/select/{}/prometheus/federate"}`)
|
|
|
|
graphiteMetricsFindRequests = metrics.NewCounter(`vm_http_requests_total{path="/select/{}/graphite/metrics/find"}`)
|
|
graphiteMetricsFindErrors = metrics.NewCounter(`vm_http_request_errors_total{path="/select/{}/graphite/metrics/find"}`)
|
|
|
|
graphiteMetricsExpandRequests = metrics.NewCounter(`vm_http_requests_total{path="/select/{}/graphite/metrics/expand"}`)
|
|
graphiteMetricsExpandErrors = metrics.NewCounter(`vm_http_request_errors_total{path="/select/{}/graphite/metrics/expand"}`)
|
|
|
|
graphiteMetricsIndexRequests = metrics.NewCounter(`vm_http_requests_total{path="/select/{}/graphite/metrics/index.json"}`)
|
|
graphiteMetricsIndexErrors = metrics.NewCounter(`vm_http_request_errors_total{path="/select/{}/graphite/metrics/index.json"}`)
|
|
|
|
graphiteTagsTagSeriesRequests = metrics.NewCounter(`vm_http_requests_total{path="/select/{}/graphite/tags/tagSeries"}`)
|
|
graphiteTagsTagSeriesErrors = metrics.NewCounter(`vm_http_request_errors_total{path="/select/{}/graphite/tags/tagSeries"}`)
|
|
|
|
graphiteTagsTagMultiSeriesRequests = metrics.NewCounter(`vm_http_requests_total{path="/select/{}/graphite/tags/tagMultiSeries"}`)
|
|
graphiteTagsTagMultiSeriesErrors = metrics.NewCounter(`vm_http_request_errors_total{path="/select/{}/graphite/tags/tagMultiSeries"}`)
|
|
|
|
graphiteTagsRequests = metrics.NewCounter(`vm_http_requests_total{path="/select/{}/graphite/tags"}`)
|
|
graphiteTagsErrors = metrics.NewCounter(`vm_http_request_errors_total{path="/select/{}/graphite/tags"}`)
|
|
|
|
graphiteTagValuesRequests = metrics.NewCounter(`vm_http_requests_total{path="/select/{}/graphite/tags/<tag_name>"}`)
|
|
graphiteTagValuesErrors = metrics.NewCounter(`vm_http_request_errors_total{path="/select/{}/graphite/tags/<tag_name>"}`)
|
|
|
|
graphiteTagsFindSeriesRequests = metrics.NewCounter(`vm_http_requests_total{path="/select/{}/graphite/tags/findSeries"}`)
|
|
graphiteTagsFindSeriesErrors = metrics.NewCounter(`vm_http_request_errors_total{path="/select/{}/graphite/tags/findSeries"}`)
|
|
|
|
graphiteTagsAutoCompleteTagsRequests = metrics.NewCounter(`vm_http_requests_total{path="/select/{}/graphite/tags/autoComplete/tags"}`)
|
|
graphiteTagsAutoCompleteTagsErrors = metrics.NewCounter(`vm_http_request_errors_total{path="/select/{}/graphite/tags/autoComplete/tags"}`)
|
|
|
|
graphiteTagsAutoCompleteValuesRequests = metrics.NewCounter(`vm_http_requests_total{path="/select/{}/graphite/tags/autoComplete/values"}`)
|
|
graphiteTagsAutoCompleteValuesErrors = metrics.NewCounter(`vm_http_request_errors_total{path="/select/{}/graphite/tags/autoComplete/values"}`)
|
|
|
|
graphiteTagsDelSeriesRequests = metrics.NewCounter(`vm_http_requests_total{path="/select/{}/graphite/tags/delSeries"}`)
|
|
graphiteTagsDelSeriesErrors = metrics.NewCounter(`vm_http_request_errors_total{path="/select/{}/graphite/tags/delSeries"}`)
|
|
|
|
rulesRequests = metrics.NewCounter(`vm_http_requests_total{path="/select/{}/prometheus/api/v1/rules"}`)
|
|
alertsRequests = metrics.NewCounter(`vm_http_requests_total{path="/select/{}/prometheus/api/v1/alerts"}`)
|
|
metadataRequests = metrics.NewCounter(`vm_http_requests_total{path="/select/{}/prometheus/api/v1/metadata"}`)
|
|
|
|
httpRequests = tenantmetrics.NewCounterMap(`vm_tenant_select_requests_total`)
|
|
httpRequestsDuration = tenantmetrics.NewCounterMap(`vm_tenant_select_requests_duration_ms_total`)
|
|
)
|
|
|
|
func usage() {
|
|
const s = `
|
|
vmselect processes incoming queries by fetching the requested data from vmstorage nodes configured via -storageNode.
|
|
|
|
See the docs at https://victoriametrics.github.io/Cluster-VictoriaMetrics.html .
|
|
`
|
|
flagutil.Usage(s)
|
|
}
|