VictoriaMetrics/app/vminsert/main.go

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package main
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import (
"flag"
"fmt"
"io"
"net"
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"net/http"
"os"
"strings"
"sync/atomic"
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"time"
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"github.com/VictoriaMetrics/VictoriaMetrics/app/vminsert/clusternative"
"github.com/VictoriaMetrics/VictoriaMetrics/app/vminsert/csvimport"
"github.com/VictoriaMetrics/VictoriaMetrics/app/vminsert/datadog"
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"github.com/VictoriaMetrics/VictoriaMetrics/app/vminsert/graphite"
"github.com/VictoriaMetrics/VictoriaMetrics/app/vminsert/influx"
"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"
"github.com/VictoriaMetrics/VictoriaMetrics/app/vminsert/opentsdbhttp"
"github.com/VictoriaMetrics/VictoriaMetrics/app/vminsert/prometheusimport"
"github.com/VictoriaMetrics/VictoriaMetrics/app/vminsert/promremotewrite"
"github.com/VictoriaMetrics/VictoriaMetrics/app/vminsert/relabel"
"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"
"github.com/VictoriaMetrics/VictoriaMetrics/lib/influxutils"
clusternativeserver "github.com/VictoriaMetrics/VictoriaMetrics/lib/ingestserver/clusternative"
graphiteserver "github.com/VictoriaMetrics/VictoriaMetrics/lib/ingestserver/graphite"
influxserver "github.com/VictoriaMetrics/VictoriaMetrics/lib/ingestserver/influx"
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/protoparser/common"
"github.com/VictoriaMetrics/VictoriaMetrics/lib/pushmetrics"
"github.com/VictoriaMetrics/VictoriaMetrics/lib/storage"
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"github.com/VictoriaMetrics/metrics"
)
var (
clusternativeListenAddr = flag.String("clusternativeListenAddr", "", "TCP address to listen for data from other vminsert nodes in multi-level cluster setup. "+
"See https://docs.victoriametrics.com/Cluster-VictoriaMetrics.html#multi-level-cluster-setup . Usually :8400 should be set to match default vmstorage port for vminsert. Disabled work if empty")
graphiteListenAddr = flag.String("graphiteListenAddr", "", "TCP and UDP address to listen for Graphite plaintext data. Usually :2003 must be set. Doesn't work if empty")
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. "+
"This flag isn't needed when ingesting data over HTTP - just send it to http://<victoriametrics>:8428/write")
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. Superfluous labels are dropped. In this case the vm_metrics_with_dropped_labels_total metric at /metrics page is incremented")
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")
storageNodes = flagutil.NewArrayString("storageNode", "Comma-separated addresses of vmstorage nodes; usage: -storageNode=vmstorage-host1,...,vmstorage-hostN . "+
"Enterprise version of VictoriaMetrics supports automatic discovery of vmstorage addresses via dns+srv records. For example, -storageNode=dns+srv:vmstorage.addrs . "+
"See https://docs.victoriametrics.com/Cluster-VictoriaMetrics.html#automatic-vmstorage-discovery")
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)
var (
clusternativeServer *clusternativeserver.Server
graphiteServer *graphiteserver.Server
influxServer *influxserver.Server
opentsdbServer *opentsdbserver.Server
opentsdbhttpServer *opentsdbhttpserver.Server
)
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func main() {
// Write flags and help message to stdout, since it is easier to grep or pipe.
flag.CommandLine.SetOutput(os.Stdout)
flag.Usage = usage
envflag.Parse()
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buildinfo.Init()
logger.Init()
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 {
logger.Fatalf("missing -storageNode arg")
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}
if hasEmptyValues(*storageNodes) {
logger.Fatalf("found empty address of storage node in the -storageNodes flag, please make sure that all -storageNode args are non-empty")
}
if duplicatedAddr := checkDuplicates(*storageNodes); duplicatedAddr != "" {
logger.Fatalf("found equal addresses of storage nodes in the -storageNodes flag: %q", duplicatedAddr)
}
hashSeed := uint64(0)
if *clusternativeListenAddr != "" {
// Use different hash seed for the second level of vminsert nodes in multi-level cluster setup.
// This should fix uneven distribution of time series among storage nodes.
// See https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1672
hashSeed = 0xabcdef0123456789
}
netstorage.Init(*storageNodes, hashSeed)
logger.Infof("successfully initialized netstorage in %.3f seconds", time.Since(startTime).Seconds())
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relabel.Init()
storage.SetMaxLabelsPerTimeseries(*maxLabelsPerTimeseries)
storage.SetMaxLabelValueLen(*maxLabelValueLen)
common.StartUnmarshalWorkers()
if len(*clusternativeListenAddr) > 0 {
clusternativeServer = clusternativeserver.MustStart(*clusternativeListenAddr, func(c net.Conn) error {
return clusternative.InsertHandler(c)
})
}
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if len(*graphiteListenAddr) > 0 {
graphiteServer = graphiteserver.MustStart(*graphiteListenAddr, func(r io.Reader) error {
return graphite.InsertHandler(nil, r)
})
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}
if len(*influxListenAddr) > 0 {
influxServer = influxserver.MustStart(*influxListenAddr, func(r io.Reader) error {
return influx.InsertHandlerForReader(nil, r)
})
}
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if len(*opentsdbListenAddr) > 0 {
opentsdbServer = opentsdbserver.MustStart(*opentsdbListenAddr, func(r io.Reader) error {
return opentsdb.InsertHandler(nil, 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)
app/vmstorage: add missing shutdown for http server on graceful shutdown This could result in the following panic during graceful shutdown when `/metrics` page is requested: http: panic serving 10.101.66.5:57366: runtime error: invalid memory address or nil pointer dereference goroutine 2050 [running]: net/http.(*conn).serve.func1(0xc00ef22000) net/http/server.go:1772 +0x139 panic(0xa0fc00, 0xe91d80) runtime/panic.go:973 +0x3e3 github.com/VictoriaMetrics/VictoriaMetrics/lib/workingsetcache.(*Cache).UpdateStats(0x0, 0xc0000516c8) github.com/VictoriaMetrics/VictoriaMetrics/lib/workingsetcache/cache.go:224 +0x37 github.com/VictoriaMetrics/VictoriaMetrics/lib/storage.(*indexDB).UpdateMetrics(0xc00b931d00, 0xc02c41acf8) github.com/VictoriaMetrics/VictoriaMetrics/lib/storage/index_db.go:258 +0x9f github.com/VictoriaMetrics/VictoriaMetrics/lib/storage.(*Storage).UpdateMetrics(0xc0000bc7e0, 0xc02c41ac00) github.com/VictoriaMetrics/VictoriaMetrics/lib/storage/storage.go:413 +0x4c5 main.registerStorageMetrics.func1(0x0) github.com/VictoriaMetrics/VictoriaMetrics/app/vmstorage/main.go:186 +0xd9 main.registerStorageMetrics.func3(0xc00008c380) github.com/VictoriaMetrics/VictoriaMetrics/app/vmstorage/main.go:196 +0x26 main.registerStorageMetrics.func7(0xc) github.com/VictoriaMetrics/VictoriaMetrics/app/vmstorage/main.go:211 +0x26 github.com/VictoriaMetrics/metrics.(*Gauge).marshalTo(0xc000010148, 0xaa407d, 0x20, 0xb50d60, 0xc005319890) github.com/VictoriaMetrics/metrics@v1.11.2/gauge.go:38 +0x3f github.com/VictoriaMetrics/metrics.(*Set).WritePrometheus(0xc000084300, 0x7fd56809c940, 0xc005319860) github.com/VictoriaMetrics/metrics@v1.11.2/set.go:51 +0x1e1 github.com/VictoriaMetrics/metrics.WritePrometheus(0x7fd56809c940, 0xc005319860, 0xa16f01) github.com/VictoriaMetrics/metrics@v1.11.2/metrics.go:42 +0x41 github.com/VictoriaMetrics/VictoriaMetrics/lib/httpserver.writePrometheusMetrics(0x7fd56809c940, 0xc005319860) github.com/VictoriaMetrics/VictoriaMetrics/lib/httpserver/metrics.go:16 +0x44 github.com/VictoriaMetrics/VictoriaMetrics/lib/httpserver.handlerWrapper(0xb5a120, 0xc005319860, 0xc005018f00, 0xc00002cc90) github.com/VictoriaMetrics/VictoriaMetrics/lib/httpserver/httpserver.go:154 +0x58d github.com/VictoriaMetrics/VictoriaMetrics/lib/httpserver.gzipHandler.func1(0xb5a120, 0xc005319860, 0xc005018f00) github.com/VictoriaMetrics/VictoriaMetrics/lib/httpserver/httpserver.go:119 +0x8e net/http.HandlerFunc.ServeHTTP(0xc00002d110, 0xb5a660, 0xc0044141c0, 0xc005018f00) net/http/server.go:2012 +0x44 net/http.serverHandler.ServeHTTP(0xc004414000, 0xb5a660, 0xc0044141c0, 0xc005018f00) net/http/server.go:2807 +0xa3 net/http.(*conn).serve(0xc00ef22000, 0xb5bf60, 0xc010532080) net/http/server.go:1895 +0x86c created by net/http.(*Server).Serve net/http/server.go:2933 +0x35c
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logger.Infof("gracefully shutting down http service at %q", *httpListenAddr)
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startTime = time.Now()
if err := httpserver.Stop(*httpListenAddr); err != nil {
app/vmstorage: add missing shutdown for http server on graceful shutdown This could result in the following panic during graceful shutdown when `/metrics` page is requested: http: panic serving 10.101.66.5:57366: runtime error: invalid memory address or nil pointer dereference goroutine 2050 [running]: net/http.(*conn).serve.func1(0xc00ef22000) net/http/server.go:1772 +0x139 panic(0xa0fc00, 0xe91d80) runtime/panic.go:973 +0x3e3 github.com/VictoriaMetrics/VictoriaMetrics/lib/workingsetcache.(*Cache).UpdateStats(0x0, 0xc0000516c8) github.com/VictoriaMetrics/VictoriaMetrics/lib/workingsetcache/cache.go:224 +0x37 github.com/VictoriaMetrics/VictoriaMetrics/lib/storage.(*indexDB).UpdateMetrics(0xc00b931d00, 0xc02c41acf8) github.com/VictoriaMetrics/VictoriaMetrics/lib/storage/index_db.go:258 +0x9f github.com/VictoriaMetrics/VictoriaMetrics/lib/storage.(*Storage).UpdateMetrics(0xc0000bc7e0, 0xc02c41ac00) github.com/VictoriaMetrics/VictoriaMetrics/lib/storage/storage.go:413 +0x4c5 main.registerStorageMetrics.func1(0x0) github.com/VictoriaMetrics/VictoriaMetrics/app/vmstorage/main.go:186 +0xd9 main.registerStorageMetrics.func3(0xc00008c380) github.com/VictoriaMetrics/VictoriaMetrics/app/vmstorage/main.go:196 +0x26 main.registerStorageMetrics.func7(0xc) github.com/VictoriaMetrics/VictoriaMetrics/app/vmstorage/main.go:211 +0x26 github.com/VictoriaMetrics/metrics.(*Gauge).marshalTo(0xc000010148, 0xaa407d, 0x20, 0xb50d60, 0xc005319890) github.com/VictoriaMetrics/metrics@v1.11.2/gauge.go:38 +0x3f github.com/VictoriaMetrics/metrics.(*Set).WritePrometheus(0xc000084300, 0x7fd56809c940, 0xc005319860) github.com/VictoriaMetrics/metrics@v1.11.2/set.go:51 +0x1e1 github.com/VictoriaMetrics/metrics.WritePrometheus(0x7fd56809c940, 0xc005319860, 0xa16f01) github.com/VictoriaMetrics/metrics@v1.11.2/metrics.go:42 +0x41 github.com/VictoriaMetrics/VictoriaMetrics/lib/httpserver.writePrometheusMetrics(0x7fd56809c940, 0xc005319860) github.com/VictoriaMetrics/VictoriaMetrics/lib/httpserver/metrics.go:16 +0x44 github.com/VictoriaMetrics/VictoriaMetrics/lib/httpserver.handlerWrapper(0xb5a120, 0xc005319860, 0xc005018f00, 0xc00002cc90) github.com/VictoriaMetrics/VictoriaMetrics/lib/httpserver/httpserver.go:154 +0x58d github.com/VictoriaMetrics/VictoriaMetrics/lib/httpserver.gzipHandler.func1(0xb5a120, 0xc005319860, 0xc005018f00) github.com/VictoriaMetrics/VictoriaMetrics/lib/httpserver/httpserver.go:119 +0x8e net/http.HandlerFunc.ServeHTTP(0xc00002d110, 0xb5a660, 0xc0044141c0, 0xc005018f00) net/http/server.go:2012 +0x44 net/http.serverHandler.ServeHTTP(0xc004414000, 0xb5a660, 0xc0044141c0, 0xc005018f00) net/http/server.go:2807 +0xa3 net/http.(*conn).serve(0xc00ef22000, 0xb5bf60, 0xc010532080) net/http/server.go:1895 +0x86c created by net/http.(*Server).Serve net/http/server.go:2933 +0x35c
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logger.Fatalf("cannot stop http service: %s", err)
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}
app/vmstorage: add missing shutdown for http server on graceful shutdown This could result in the following panic during graceful shutdown when `/metrics` page is requested: http: panic serving 10.101.66.5:57366: runtime error: invalid memory address or nil pointer dereference goroutine 2050 [running]: net/http.(*conn).serve.func1(0xc00ef22000) net/http/server.go:1772 +0x139 panic(0xa0fc00, 0xe91d80) runtime/panic.go:973 +0x3e3 github.com/VictoriaMetrics/VictoriaMetrics/lib/workingsetcache.(*Cache).UpdateStats(0x0, 0xc0000516c8) github.com/VictoriaMetrics/VictoriaMetrics/lib/workingsetcache/cache.go:224 +0x37 github.com/VictoriaMetrics/VictoriaMetrics/lib/storage.(*indexDB).UpdateMetrics(0xc00b931d00, 0xc02c41acf8) github.com/VictoriaMetrics/VictoriaMetrics/lib/storage/index_db.go:258 +0x9f github.com/VictoriaMetrics/VictoriaMetrics/lib/storage.(*Storage).UpdateMetrics(0xc0000bc7e0, 0xc02c41ac00) github.com/VictoriaMetrics/VictoriaMetrics/lib/storage/storage.go:413 +0x4c5 main.registerStorageMetrics.func1(0x0) github.com/VictoriaMetrics/VictoriaMetrics/app/vmstorage/main.go:186 +0xd9 main.registerStorageMetrics.func3(0xc00008c380) github.com/VictoriaMetrics/VictoriaMetrics/app/vmstorage/main.go:196 +0x26 main.registerStorageMetrics.func7(0xc) github.com/VictoriaMetrics/VictoriaMetrics/app/vmstorage/main.go:211 +0x26 github.com/VictoriaMetrics/metrics.(*Gauge).marshalTo(0xc000010148, 0xaa407d, 0x20, 0xb50d60, 0xc005319890) github.com/VictoriaMetrics/metrics@v1.11.2/gauge.go:38 +0x3f github.com/VictoriaMetrics/metrics.(*Set).WritePrometheus(0xc000084300, 0x7fd56809c940, 0xc005319860) github.com/VictoriaMetrics/metrics@v1.11.2/set.go:51 +0x1e1 github.com/VictoriaMetrics/metrics.WritePrometheus(0x7fd56809c940, 0xc005319860, 0xa16f01) github.com/VictoriaMetrics/metrics@v1.11.2/metrics.go:42 +0x41 github.com/VictoriaMetrics/VictoriaMetrics/lib/httpserver.writePrometheusMetrics(0x7fd56809c940, 0xc005319860) github.com/VictoriaMetrics/VictoriaMetrics/lib/httpserver/metrics.go:16 +0x44 github.com/VictoriaMetrics/VictoriaMetrics/lib/httpserver.handlerWrapper(0xb5a120, 0xc005319860, 0xc005018f00, 0xc00002cc90) github.com/VictoriaMetrics/VictoriaMetrics/lib/httpserver/httpserver.go:154 +0x58d github.com/VictoriaMetrics/VictoriaMetrics/lib/httpserver.gzipHandler.func1(0xb5a120, 0xc005319860, 0xc005018f00) github.com/VictoriaMetrics/VictoriaMetrics/lib/httpserver/httpserver.go:119 +0x8e net/http.HandlerFunc.ServeHTTP(0xc00002d110, 0xb5a660, 0xc0044141c0, 0xc005018f00) net/http/server.go:2012 +0x44 net/http.serverHandler.ServeHTTP(0xc004414000, 0xb5a660, 0xc0044141c0, 0xc005018f00) net/http/server.go:2807 +0xa3 net/http.(*conn).serve(0xc00ef22000, 0xb5bf60, 0xc010532080) net/http/server.go:1895 +0x86c created by net/http.(*Server).Serve net/http/server.go:2933 +0x35c
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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 {
clusternativeServer.MustStop()
}
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if len(*graphiteListenAddr) > 0 {
graphiteServer.MustStop()
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}
if len(*influxListenAddr) > 0 {
influxServer.MustStop()
}
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if len(*opentsdbListenAddr) > 0 {
opentsdbServer.MustStop()
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}
if len(*opentsdbHTTPListenAddr) > 0 {
opentsdbhttpServer.MustStop()
}
common.StopUnmarshalWorkers()
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logger.Infof("shutting down neststorage...")
startTime = time.Now()
netstorage.MustStop()
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 {
startTime := time.Now()
defer requestDuration.UpdateDuration(startTime)
if r.URL.Path == "/" {
if r.Method != "GET" {
return false
}
fmt.Fprintf(w, "vminsert - a component of VictoriaMetrics cluster. See docs at https://docs.victoriametrics.com/Cluster-VictoriaMetrics.html")
return true
}
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p, err := httpserver.ParsePath(r.URL.Path)
if err != nil {
httpserver.Errorf(w, r, "cannot parse path %q: %s", r.URL.Path, err)
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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, r, "auth error: %s", err)
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return true
}
if strings.HasPrefix(p.Suffix, "prometheus/api/v1/import/prometheus") {
prometheusimportRequests.Inc()
if err := prometheusimport.InsertHandler(at, r); err != nil {
prometheusimportErrors.Inc()
httpserver.Errorf(w, r, "%s", err)
return true
}
w.WriteHeader(http.StatusNoContent)
return true
}
if strings.HasPrefix(p.Suffix, "datadog/") {
// Trim suffix from paths starting from /datadog/ in order to support legacy DataDog agent.
// See https://github.com/VictoriaMetrics/VictoriaMetrics/pull/2670
p.Suffix = strings.TrimSuffix(p.Suffix, "/")
}
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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, r, "%s", err)
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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, r, "%s", err)
return true
}
w.WriteHeader(http.StatusNoContent)
return true
case "prometheus/api/v1/import/csv":
csvimportRequests.Inc()
if err := csvimport.InsertHandler(at, r); err != nil {
csvimportErrors.Inc()
httpserver.Errorf(w, r, "%s", err)
return true
}
w.WriteHeader(http.StatusNoContent)
return true
case "prometheus/api/v1/import/native":
nativeimportRequests.Inc()
if err := native.InsertHandler(at, r); err != nil {
nativeimportErrors.Inc()
httpserver.Errorf(w, r, "%s", 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()
addInfluxResponseHeaders(w)
if err := influx.InsertHandlerForHTTP(at, r); err != nil {
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influxWriteErrors.Inc()
httpserver.Errorf(w, r, "%s", err)
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return true
}
w.WriteHeader(http.StatusNoContent)
return true
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case "influx/query":
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influxQueryRequests.Inc()
addInfluxResponseHeaders(w)
influxutils.WriteDatabaseNames(w)
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return true
case "datadog/api/v1/series":
datadogWriteRequests.Inc()
if err := datadog.InsertHandlerForHTTP(at, r); err != nil {
datadogWriteErrors.Inc()
httpserver.Errorf(w, r, "%s", err)
return true
}
// See https://docs.datadoghq.com/api/latest/metrics/#submit-metrics
w.Header().Set("Content-Type", "application/json")
w.WriteHeader(202)
fmt.Fprintf(w, `{"status":"ok"}`)
return true
case "datadog/api/v1/validate":
datadogValidateRequests.Inc()
// See https://docs.datadoghq.com/api/latest/authentication/#validate-api-key
w.Header().Set("Content-Type", "application/json")
fmt.Fprintf(w, `{"valid":true}`)
return true
case "datadog/api/v1/check_run":
datadogCheckRunRequests.Inc()
// See https://docs.datadoghq.com/api/latest/service-checks/#submit-a-service-check
w.Header().Set("Content-Type", "application/json")
w.WriteHeader(202)
fmt.Fprintf(w, `{"status":"ok"}`)
return true
case "datadog/intake":
datadogIntakeRequests.Inc()
w.Header().Set("Content-Type", "application/json")
fmt.Fprintf(w, `{}`)
return true
case "datadog/api/v1/metadata":
datadogMetadataRequests.Inc()
w.Header().Set("Content-Type", "application/json")
fmt.Fprintf(w, `{}`)
return true
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default:
// This is not our link
return false
}
}
func addInfluxResponseHeaders(w http.ResponseWriter) {
// This is needed for some clients, which expect InfluxDB version header.
// See, for example, https://github.com/ntop/ntopng/issues/5449#issuecomment-1005347597
w.Header().Set("X-Influxdb-Version", "1.8.0")
}
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var (
requestDuration = metrics.NewHistogram(`vminsert_request_duration_seconds`)
prometheusWriteRequests = metrics.NewCounter(`vm_http_requests_total{path="/insert/{}/prometheus/", protocol="promremotewrite"}`)
prometheusWriteErrors = metrics.NewCounter(`vm_http_request_errors_total{path="/insert/{}/prometheus/", protocol="promremotewrite"}`)
vmimportRequests = metrics.NewCounter(`vm_http_requests_total{path="/insert/{}/prometheus/api/v1/import", protocol="vmimport"}`)
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"}`)
csvimportErrors = metrics.NewCounter(`vm_http_request_errors_total{path="/insert/{}/prometheus/api/v1/import/csv", protocol="csvimport"}`)
prometheusimportRequests = metrics.NewCounter(`vm_http_requests_total{path="/insert/{}/prometheus/api/v1/import/prometheus", protocol="prometheusimport"}`)
prometheusimportErrors = metrics.NewCounter(`vm_http_request_errors_total{path="/insert/{}/prometheus/api/v1/import/prometheus", protocol="prometheusimport"}`)
nativeimportRequests = metrics.NewCounter(`vm_http_requests_total{path="/insert/{}/prometheus/api/v1/import/native", protocol="nativeimport"}`)
nativeimportErrors = metrics.NewCounter(`vm_http_request_errors_total{path="/insert/{}/prometheus/api/v1/import/native", protocol="nativeimport"}`)
influxWriteRequests = metrics.NewCounter(`vm_http_requests_total{path="/insert/{}/influx/write", protocol="influx"}`)
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"}`)
datadogWriteRequests = metrics.NewCounter(`vm_http_requests_total{path="/insert/{}/datadog/api/v1/series", protocol="datadog"}`)
datadogWriteErrors = metrics.NewCounter(`vm_http_request_errors_total{path="/insert/{}/datadog/api/v1/series", protocol="datadog"}`)
datadogValidateRequests = metrics.NewCounter(`vm_http_requests_total{path="/insert/{}/datadog/api/v1/validate", protocol="datadog"}`)
datadogCheckRunRequests = metrics.NewCounter(`vm_http_requests_total{path="/insert/{}/datadog/api/v1/check_run", protocol="datadog"}`)
datadogIntakeRequests = metrics.NewCounter(`vm_http_requests_total{path="/insert/{}/datadog/intake", protocol="datadog"}`)
datadogMetadataRequests = metrics.NewCounter(`vm_http_requests_total{path="/insert/{}/datadog/api/v1/metadata", protocol="datadog"}`)
_ = metrics.NewGauge(`vm_metrics_with_dropped_labels_total`, func() float64 {
return float64(atomic.LoadUint64(&storage.MetricsWithDroppedLabels))
})
_ = metrics.NewGauge(`vm_too_long_label_names_total`, func() float64 {
return float64(atomic.LoadUint64(&storage.TooLongLabelNames))
})
_ = metrics.NewGauge(`vm_too_long_label_values_total`, func() float64 {
return float64(atomic.LoadUint64(&storage.TooLongLabelValues))
})
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)
func usage() {
const s = `
vminsert accepts data via popular data ingestion protocols and routes it to vmstorage nodes configured via -storageNode.
See the docs at https://docs.victoriametrics.com/Cluster-VictoriaMetrics.html .
`
flagutil.Usage(s)
}
func checkDuplicates(arr []string) string {
visited := make(map[string]struct{})
for _, s := range arr {
if _, ok := visited[s]; ok {
return s
}
visited[s] = struct{}{}
}
return ""
}
func hasEmptyValues(arr []string) bool {
for _, s := range arr {
if s == "" {
return true
}
}
return false
}