mirror of
https://github.com/VictoriaMetrics/VictoriaMetrics.git
synced 2024-11-21 14:44:00 +00:00
371 lines
16 KiB
Go
371 lines
16 KiB
Go
package main
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import (
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"flag"
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"fmt"
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"io"
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"net"
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"net/http"
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"os"
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"strings"
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"sync/atomic"
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"time"
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"github.com/VictoriaMetrics/VictoriaMetrics/app/vminsert/clusternative"
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"github.com/VictoriaMetrics/VictoriaMetrics/app/vminsert/csvimport"
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"github.com/VictoriaMetrics/VictoriaMetrics/app/vminsert/datadog"
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"github.com/VictoriaMetrics/VictoriaMetrics/app/vminsert/graphite"
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"github.com/VictoriaMetrics/VictoriaMetrics/app/vminsert/influx"
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"github.com/VictoriaMetrics/VictoriaMetrics/app/vminsert/native"
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"github.com/VictoriaMetrics/VictoriaMetrics/app/vminsert/netstorage"
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"github.com/VictoriaMetrics/VictoriaMetrics/app/vminsert/opentsdb"
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"github.com/VictoriaMetrics/VictoriaMetrics/app/vminsert/opentsdbhttp"
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"github.com/VictoriaMetrics/VictoriaMetrics/app/vminsert/prometheusimport"
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"github.com/VictoriaMetrics/VictoriaMetrics/app/vminsert/promremotewrite"
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"github.com/VictoriaMetrics/VictoriaMetrics/app/vminsert/relabel"
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"github.com/VictoriaMetrics/VictoriaMetrics/app/vminsert/vmimport"
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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/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/influxutils"
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clusternativeserver "github.com/VictoriaMetrics/VictoriaMetrics/lib/ingestserver/clusternative"
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graphiteserver "github.com/VictoriaMetrics/VictoriaMetrics/lib/ingestserver/graphite"
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influxserver "github.com/VictoriaMetrics/VictoriaMetrics/lib/ingestserver/influx"
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opentsdbserver "github.com/VictoriaMetrics/VictoriaMetrics/lib/ingestserver/opentsdb"
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opentsdbhttpserver "github.com/VictoriaMetrics/VictoriaMetrics/lib/ingestserver/opentsdbhttp"
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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/protoparser/common"
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"github.com/VictoriaMetrics/VictoriaMetrics/lib/pushmetrics"
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"github.com/VictoriaMetrics/VictoriaMetrics/lib/storage"
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"github.com/VictoriaMetrics/VictoriaMetrics/lib/writeconcurrencylimiter"
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"github.com/VictoriaMetrics/metrics"
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)
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var (
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clusternativeListenAddr = flag.String("clusternativeListenAddr", "", "TCP address to listen for data from other vminsert nodes in multi-level cluster setup. "+
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"See https://docs.victoriametrics.com/Cluster-VictoriaMetrics.html#multi-level-cluster-setup . Usually :8400 must be set. Doesn't work if empty")
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graphiteListenAddr = flag.String("graphiteListenAddr", "", "TCP and UDP address to listen for Graphite plaintext data. Usually :2003 must be set. Doesn't work if empty")
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influxListenAddr = flag.String("influxListenAddr", "", "TCP and UDP address to listen for InfluxDB line protocol data. Usually :8089 must be set. Doesn't work if empty. "+
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"This flag isn't needed when ingesting data over HTTP - just send it to http://<victoriametrics>:8428/write")
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opentsdbListenAddr = flag.String("opentsdbListenAddr", "", "TCP and UDP address to listen for OpentTSDB metrics. "+
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"Telnet put messages and HTTP /api/put messages are simultaneously served on TCP port. "+
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"Usually :4242 must be set. Doesn't work if empty")
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opentsdbHTTPListenAddr = flag.String("opentsdbHTTPListenAddr", "", "TCP address to listen for OpentTSDB HTTP put requests. Usually :4242 must be set. Doesn't work if empty")
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httpListenAddr = flag.String("httpListenAddr", ":8480", "Address to listen for http connections")
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maxLabelsPerTimeseries = flag.Int("maxLabelsPerTimeseries", 30, "The maximum number of labels accepted per time series. Superfluous labels are dropped. In this case the vm_metrics_with_dropped_labels_total metric at /metrics page is incremented")
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maxLabelValueLen = flag.Int("maxLabelValueLen", 16*1024, "The maximum length of label values in the accepted time series. Longer label values are truncated. In this case the vm_too_long_label_values_total metric at /metrics page is incremented")
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storageNodes = flagutil.NewArray("storageNode", "Comma-separated addresses of vmstorage nodes; usage: -storageNode=vmstorage-host1,...,vmstorage-hostN")
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)
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var (
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clusternativeServer *clusternativeserver.Server
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graphiteServer *graphiteserver.Server
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influxServer *influxserver.Server
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opentsdbServer *opentsdbserver.Server
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opentsdbhttpServer *opentsdbhttpserver.Server
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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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pushmetrics.Init()
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logger.Infof("initializing netstorage for storageNodes %s...", *storageNodes)
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startTime := time.Now()
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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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if duplicatedAddr := checkDuplicates(*storageNodes); duplicatedAddr != "" {
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logger.Fatalf("found equal addresses of storage nodes in the -storageNodes flag: %q", duplicatedAddr)
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}
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hashSeed := uint64(0)
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if *clusternativeListenAddr != "" {
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// Use different hash seed for the second level of vminsert nodes in multi-level cluster setup.
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// This should fix uneven distribution of time series among storage nodes.
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// See https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1672
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hashSeed = 0xabcdef0123456789
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}
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netstorage.InitStorageNodes(*storageNodes, hashSeed)
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logger.Infof("successfully initialized netstorage in %.3f seconds", time.Since(startTime).Seconds())
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relabel.Init()
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storage.SetMaxLabelsPerTimeseries(*maxLabelsPerTimeseries)
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storage.SetMaxLabelValueLen(*maxLabelValueLen)
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common.StartUnmarshalWorkers()
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writeconcurrencylimiter.Init()
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if len(*clusternativeListenAddr) > 0 {
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clusternativeServer = clusternativeserver.MustStart(*clusternativeListenAddr, func(c net.Conn) error {
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return clusternative.InsertHandler(c)
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})
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}
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if len(*graphiteListenAddr) > 0 {
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graphiteServer = graphiteserver.MustStart(*graphiteListenAddr, func(r io.Reader) error {
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var at auth.Token // TODO: properly initialize auth token
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return graphite.InsertHandler(&at, r)
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})
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}
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if len(*influxListenAddr) > 0 {
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influxServer = influxserver.MustStart(*influxListenAddr, func(r io.Reader) error {
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var at auth.Token // TODO: properly initialize auth token
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return influx.InsertHandlerForReader(&at, r)
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})
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}
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if len(*opentsdbListenAddr) > 0 {
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opentsdbServer = opentsdbserver.MustStart(*opentsdbListenAddr, func(r io.Reader) error {
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var at auth.Token // TODO: properly initialize auth token
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return opentsdb.InsertHandler(&at, r)
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}, opentsdbhttp.InsertHandler)
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}
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if len(*opentsdbHTTPListenAddr) > 0 {
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opentsdbhttpServer = opentsdbhttpserver.MustStart(*opentsdbHTTPListenAddr, opentsdbhttp.InsertHandler)
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}
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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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if len(*clusternativeListenAddr) > 0 {
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clusternativeServer.MustStop()
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}
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if len(*graphiteListenAddr) > 0 {
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graphiteServer.MustStop()
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}
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if len(*influxListenAddr) > 0 {
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influxServer.MustStop()
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}
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if len(*opentsdbListenAddr) > 0 {
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opentsdbServer.MustStop()
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}
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if len(*opentsdbHTTPListenAddr) > 0 {
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opentsdbhttpServer.MustStop()
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}
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common.StopUnmarshalWorkers()
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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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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 vminsert has been stopped")
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}
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func requestHandler(w http.ResponseWriter, r *http.Request) bool {
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startTime := time.Now()
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defer requestDuration.UpdateDuration(startTime)
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if r.URL.Path == "/" {
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if r.Method != "GET" {
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return false
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}
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fmt.Fprintf(w, "vminsert - a component of VictoriaMetrics cluster. See docs at https://docs.victoriametrics.com/Cluster-VictoriaMetrics.html")
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return true
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}
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p, err := httpserver.ParsePath(r.URL.Path)
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if err != nil {
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httpserver.Errorf(w, r, "cannot parse path %q: %s", r.URL.Path, err)
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return true
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}
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if p.Prefix != "insert" {
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// This is not our link.
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return false
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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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if strings.HasPrefix(p.Suffix, "datadog/") {
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// Trim suffix from paths starting from /datadog/ in order to support legacy DataDog agent.
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// See https://github.com/VictoriaMetrics/VictoriaMetrics/pull/2670
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p.Suffix = strings.TrimSuffix(p.Suffix, "/")
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}
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switch p.Suffix {
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case "prometheus/", "prometheus", "prometheus/api/v1/write":
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prometheusWriteRequests.Inc()
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if err := promremotewrite.InsertHandler(at, r); err != nil {
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prometheusWriteErrors.Inc()
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httpserver.Errorf(w, r, "%s", err)
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return true
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}
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w.WriteHeader(http.StatusNoContent)
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return true
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case "prometheus/api/v1/import":
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vmimportRequests.Inc()
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if err := vmimport.InsertHandler(at, r); err != nil {
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vmimportErrors.Inc()
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httpserver.Errorf(w, r, "%s", err)
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return true
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}
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w.WriteHeader(http.StatusNoContent)
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return true
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case "prometheus/api/v1/import/csv":
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csvimportRequests.Inc()
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if err := csvimport.InsertHandler(at, r); err != nil {
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csvimportErrors.Inc()
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httpserver.Errorf(w, r, "%s", err)
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return true
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}
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w.WriteHeader(http.StatusNoContent)
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return true
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case "prometheus/api/v1/import/prometheus":
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prometheusimportRequests.Inc()
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if err := prometheusimport.InsertHandler(at, r); err != nil {
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prometheusimportErrors.Inc()
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httpserver.Errorf(w, r, "%s", err)
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return true
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}
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w.WriteHeader(http.StatusNoContent)
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return true
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case "prometheus/api/v1/import/native":
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nativeimportRequests.Inc()
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if err := native.InsertHandler(at, r); err != nil {
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nativeimportErrors.Inc()
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httpserver.Errorf(w, r, "%s", err)
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return true
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}
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w.WriteHeader(http.StatusNoContent)
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return true
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case "influx/write", "influx/api/v2/write":
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influxWriteRequests.Inc()
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addInfluxResponseHeaders(w)
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if err := influx.InsertHandlerForHTTP(at, r); err != nil {
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influxWriteErrors.Inc()
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httpserver.Errorf(w, r, "%s", err)
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return true
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}
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w.WriteHeader(http.StatusNoContent)
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return true
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case "influx/query":
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influxQueryRequests.Inc()
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addInfluxResponseHeaders(w)
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influxutils.WriteDatabaseNames(w)
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return true
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case "datadog/api/v1/series":
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datadogWriteRequests.Inc()
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if err := datadog.InsertHandlerForHTTP(at, r); err != nil {
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datadogWriteErrors.Inc()
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httpserver.Errorf(w, r, "%s", err)
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return true
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}
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// See https://docs.datadoghq.com/api/latest/metrics/#submit-metrics
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w.Header().Set("Content-Type", "application/json")
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w.WriteHeader(202)
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fmt.Fprintf(w, `{"status":"ok"}`)
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return true
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case "datadog/api/v1/validate":
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datadogValidateRequests.Inc()
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// See https://docs.datadoghq.com/api/latest/authentication/#validate-api-key
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w.Header().Set("Content-Type", "application/json")
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fmt.Fprintf(w, `{"valid":true}`)
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return true
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case "datadog/api/v1/check_run":
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datadogCheckRunRequests.Inc()
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// See https://docs.datadoghq.com/api/latest/service-checks/#submit-a-service-check
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w.Header().Set("Content-Type", "application/json")
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w.WriteHeader(202)
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fmt.Fprintf(w, `{"status":"ok"}`)
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return true
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case "datadog/intake":
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datadogIntakeRequests.Inc()
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w.Header().Set("Content-Type", "application/json")
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fmt.Fprintf(w, `{}`)
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return true
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case "datadog/api/v1/metadata":
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datadogMetadataRequests.Inc()
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w.Header().Set("Content-Type", "application/json")
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fmt.Fprintf(w, `{}`)
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return true
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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 addInfluxResponseHeaders(w http.ResponseWriter) {
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// This is needed for some clients, which expect InfluxDB version header.
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// See, for example, https://github.com/ntop/ntopng/issues/5449#issuecomment-1005347597
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w.Header().Set("X-Influxdb-Version", "1.8.0")
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}
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var (
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requestDuration = metrics.NewHistogram(`vminsert_request_duration_seconds`)
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prometheusWriteRequests = metrics.NewCounter(`vm_http_requests_total{path="/insert/{}/prometheus/", protocol="promremotewrite"}`)
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prometheusWriteErrors = metrics.NewCounter(`vm_http_request_errors_total{path="/insert/{}/prometheus/", protocol="promremotewrite"}`)
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vmimportRequests = metrics.NewCounter(`vm_http_requests_total{path="/insert/{}/prometheus/api/v1/import", protocol="vmimport"}`)
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vmimportErrors = metrics.NewCounter(`vm_http_request_errors_total{path="/insert/{}/prometheus/api/v1/import", protocol="vmimport"}`)
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csvimportRequests = metrics.NewCounter(`vm_http_requests_total{path="/insert/{}/prometheus/api/v1/import/csv", protocol="csvimport"}`)
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csvimportErrors = metrics.NewCounter(`vm_http_request_errors_total{path="/insert/{}/prometheus/api/v1/import/csv", protocol="csvimport"}`)
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prometheusimportRequests = metrics.NewCounter(`vm_http_requests_total{path="/insert/{}/prometheus/api/v1/import/prometheus", protocol="prometheusimport"}`)
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prometheusimportErrors = metrics.NewCounter(`vm_http_request_errors_total{path="/insert/{}/prometheus/api/v1/import/prometheus", protocol="prometheusimport"}`)
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nativeimportRequests = metrics.NewCounter(`vm_http_requests_total{path="/insert/{}/prometheus/api/v1/import/native", protocol="nativeimport"}`)
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nativeimportErrors = metrics.NewCounter(`vm_http_request_errors_total{path="/insert/{}/prometheus/api/v1/import/native", protocol="nativeimport"}`)
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influxWriteRequests = metrics.NewCounter(`vm_http_requests_total{path="/insert/{}/influx/write", protocol="influx"}`)
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influxWriteErrors = metrics.NewCounter(`vm_http_request_errors_total{path="/insert/{}/influx/write", protocol="influx"}`)
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influxQueryRequests = metrics.NewCounter(`vm_http_requests_total{path="/insert/{}/influx/query", protocol="influx"}`)
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datadogWriteRequests = metrics.NewCounter(`vm_http_requests_total{path="/insert/{}/datadog/api/v1/series", protocol="datadog"}`)
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datadogWriteErrors = metrics.NewCounter(`vm_http_request_errors_total{path="/insert/{}/datadog/api/v1/series", protocol="datadog"}`)
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datadogValidateRequests = metrics.NewCounter(`vm_http_requests_total{path="/insert/{}/datadog/api/v1/validate", protocol="datadog"}`)
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datadogCheckRunRequests = metrics.NewCounter(`vm_http_requests_total{path="/insert/{}/datadog/api/v1/check_run", protocol="datadog"}`)
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datadogIntakeRequests = metrics.NewCounter(`vm_http_requests_total{path="/insert/{}/datadog/intake", protocol="datadog"}`)
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datadogMetadataRequests = metrics.NewCounter(`vm_http_requests_total{path="/insert/{}/datadog/api/v1/metadata", protocol="datadog"}`)
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_ = metrics.NewGauge(`vm_metrics_with_dropped_labels_total`, func() float64 {
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return float64(atomic.LoadUint64(&storage.MetricsWithDroppedLabels))
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})
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_ = metrics.NewGauge(`vm_too_long_label_names_total`, func() float64 {
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return float64(atomic.LoadUint64(&storage.TooLongLabelNames))
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})
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_ = metrics.NewGauge(`vm_too_long_label_values_total`, func() float64 {
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return float64(atomic.LoadUint64(&storage.TooLongLabelValues))
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})
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)
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func usage() {
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const s = `
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vminsert accepts data via popular data ingestion protocols and routes it to vmstorage nodes configured via -storageNode.
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See the docs at https://docs.victoriametrics.com/Cluster-VictoriaMetrics.html .
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`
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flagutil.Usage(s)
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}
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func checkDuplicates(arr []string) string {
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visited := make(map[string]struct{})
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for _, s := range arr {
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if _, ok := visited[s]; ok {
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return s
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}
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visited[s] = struct{}{}
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}
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return ""
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}
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