VictoriaMetrics/app/vminsert/main.go

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package main
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import (
"flag"
"fmt"
"io"
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"net/http"
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"time"
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"github.com/VictoriaMetrics/VictoriaMetrics/app/vminsert/graphite"
"github.com/VictoriaMetrics/VictoriaMetrics/app/vminsert/influx"
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"github.com/VictoriaMetrics/VictoriaMetrics/app/vminsert/netstorage"
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"github.com/VictoriaMetrics/VictoriaMetrics/app/vminsert/opentsdb"
"github.com/VictoriaMetrics/VictoriaMetrics/app/vminsert/opentsdbhttp"
"github.com/VictoriaMetrics/VictoriaMetrics/app/vminsert/promremotewrite"
"github.com/VictoriaMetrics/VictoriaMetrics/app/vminsert/vmimport"
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"github.com/VictoriaMetrics/VictoriaMetrics/lib/auth"
"github.com/VictoriaMetrics/VictoriaMetrics/lib/buildinfo"
"github.com/VictoriaMetrics/VictoriaMetrics/lib/envflag"
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"github.com/VictoriaMetrics/VictoriaMetrics/lib/flagutil"
"github.com/VictoriaMetrics/VictoriaMetrics/lib/fs"
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"github.com/VictoriaMetrics/VictoriaMetrics/lib/httpserver"
graphiteserver "github.com/VictoriaMetrics/VictoriaMetrics/lib/ingestserver/graphite"
opentsdbserver "github.com/VictoriaMetrics/VictoriaMetrics/lib/ingestserver/opentsdb"
opentsdbhttpserver "github.com/VictoriaMetrics/VictoriaMetrics/lib/ingestserver/opentsdbhttp"
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"github.com/VictoriaMetrics/VictoriaMetrics/lib/logger"
"github.com/VictoriaMetrics/VictoriaMetrics/lib/procutil"
"github.com/VictoriaMetrics/VictoriaMetrics/lib/storage"
"github.com/VictoriaMetrics/VictoriaMetrics/lib/writeconcurrencylimiter"
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"github.com/VictoriaMetrics/metrics"
)
var (
graphiteListenAddr = flag.String("graphiteListenAddr", "", "TCP and UDP address to listen for Graphite plaintext data. Usually :2003 must be set. Doesn't work if empty")
opentsdbListenAddr = flag.String("opentsdbListenAddr", "", "TCP and UDP address to listen for OpentTSDB metrics. "+
"Telnet put messages and HTTP /api/put messages are simultaneously served on TCP port. "+
"Usually :4242 must be set. Doesn't work if empty")
opentsdbHTTPListenAddr = flag.String("opentsdbHTTPListenAddr", "", "TCP address to listen for OpentTSDB HTTP put requests. Usually :4242 must be set. Doesn't work if empty")
httpListenAddr = flag.String("httpListenAddr", ":8480", "Address to listen for http connections")
maxLabelsPerTimeseries = flag.Int("maxLabelsPerTimeseries", 30, "The maximum number of labels accepted per time series. Superflouos labels are dropped")
storageNodes = flagutil.NewArray("storageNode", "Address of vmstorage nodes; usage: -storageNode=vmstorage-host1:8400 -storageNode=vmstorage-host2:8400")
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)
var (
graphiteServer *graphiteserver.Server
opentsdbServer *opentsdbserver.Server
opentsdbhttpServer *opentsdbhttpserver.Server
)
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func main() {
envflag.Parse()
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buildinfo.Init()
logger.Init()
logger.Infof("initializing netstorage for storageNodes %s...", *storageNodes)
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startTime := time.Now()
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if len(*storageNodes) == 0 {
logger.Fatalf("missing -storageNode arg")
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}
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netstorage.InitStorageNodes(*storageNodes)
logger.Infof("successfully initialized netstorage in %.3f seconds", time.Since(startTime).Seconds())
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storage.SetMaxLabelsPerTimeseries(*maxLabelsPerTimeseries)
writeconcurrencylimiter.Init()
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if len(*graphiteListenAddr) > 0 {
graphiteServer = graphiteserver.MustStart(*graphiteListenAddr, func(r io.Reader) error {
var at auth.Token // TODO: properly initialize auth token
return graphite.InsertHandler(&at, r)
})
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}
if len(*opentsdbListenAddr) > 0 {
opentsdbServer = opentsdbserver.MustStart(*opentsdbListenAddr, func(r io.Reader) error {
var at auth.Token // TODO: properly initialize auth token
return opentsdb.InsertHandler(&at, r)
}, opentsdbhttp.InsertHandler)
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}
if len(*opentsdbHTTPListenAddr) > 0 {
opentsdbhttpServer = opentsdbhttpserver.MustStart(*opentsdbHTTPListenAddr, opentsdbhttp.InsertHandler)
}
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go func() {
httpserver.Serve(*httpListenAddr, requestHandler)
}()
sig := procutil.WaitForSigterm()
logger.Infof("service received signal %s", sig)
logger.Infof("gracefully shutting down the service at %q", *httpListenAddr)
startTime = time.Now()
if err := httpserver.Stop(*httpListenAddr); err != nil {
logger.Fatalf("cannot stop the service: %s", err)
}
logger.Infof("successfully shut down the service in %.3f seconds", time.Since(startTime).Seconds())
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if len(*graphiteListenAddr) > 0 {
graphiteServer.MustStop()
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}
if len(*opentsdbListenAddr) > 0 {
opentsdbServer.MustStop()
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}
if len(*opentsdbHTTPListenAddr) > 0 {
opentsdbhttpServer.MustStop()
}
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logger.Infof("shutting down neststorage...")
startTime = time.Now()
netstorage.Stop()
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 {
p, err := httpserver.ParsePath(r.URL.Path)
if err != nil {
httpserver.Errorf(w, "cannot parse path %q: %s", r.URL.Path, err)
return true
}
if p.Prefix != "insert" {
// This is not our link.
return false
}
at, err := auth.NewToken(p.AuthToken)
if err != nil {
httpserver.Errorf(w, "auth error: %s", err)
return true
}
switch p.Suffix {
case "prometheus/", "prometheus", "prometheus/api/v1/write":
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prometheusWriteRequests.Inc()
if err := promremotewrite.InsertHandler(at, r); err != nil {
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prometheusWriteErrors.Inc()
httpserver.Errorf(w, "error in %q: %s", r.URL.Path, err)
return true
}
w.WriteHeader(http.StatusNoContent)
return true
case "prometheus/api/v1/import":
vmimportRequests.Inc()
if err := vmimport.InsertHandler(at, r); err != nil {
vmimportErrors.Inc()
httpserver.Errorf(w, "error in %q: %s", r.URL.Path, err)
return true
}
w.WriteHeader(http.StatusNoContent)
return true
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case "influx/write", "influx/api/v2/write":
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influxWriteRequests.Inc()
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if err := influx.InsertHandler(at, r); err != nil {
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influxWriteErrors.Inc()
httpserver.Errorf(w, "error in %q: %s", r.URL.Path, err)
return true
}
w.WriteHeader(http.StatusNoContent)
return true
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case "influx/query":
// Emulate fake response for influx query.
// This is required for TSBS benchmark.
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influxQueryRequests.Inc()
fmt.Fprintf(w, `{"results":[{"series":[{"values":[]}]}]}`)
return true
default:
// This is not our link
return false
}
}
var (
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prometheusWriteRequests = metrics.NewCounter(`vm_http_requests_total{path="/insert/{}/prometheus/", protocol="prometheus"}`)
prometheusWriteErrors = metrics.NewCounter(`vm_http_request_errors_total{path="/insert/{}/prometheus/", protocol="prometheus"}`)
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vmimportRequests = metrics.NewCounter(`vm_http_requests_total{path="/insert/{}/prometheus/api/v1/import", protocol="vm"}`)
vmimportErrors = metrics.NewCounter(`vm_http_request_errors_total{path="/insert/{}/prometheus/api/v1/import", protocol="vm"}`)
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influxWriteRequests = metrics.NewCounter(`vm_http_requests_total{path="/insert/{}/influx/", protocol="influx"}`)
influxWriteErrors = metrics.NewCounter(`vm_http_request_errors_total{path="/insert/{}/influx/", protocol="influx"}`)
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influxQueryRequests = metrics.NewCounter(`vm_http_requests_total{path="/insert/{}/influx/query", protocol="influx"}`)
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)