mirror of
https://github.com/VictoriaMetrics/VictoriaMetrics.git
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71ea4935de
Show also original labels for duplicate targets in error message in order to simplify debugging the issue. Now `/targets` endpoint accepts optional `show_original_labels=1` query arg, which shows original labels for each target. This may simplify debugging for target relabeling. Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/651
207 lines
8.5 KiB
Go
207 lines
8.5 KiB
Go
package vminsert
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import (
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"flag"
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"fmt"
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"net/http"
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"strconv"
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"strings"
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"sync/atomic"
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"github.com/VictoriaMetrics/VictoriaMetrics/app/vminsert/csvimport"
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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/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/prompush"
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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/httpserver"
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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/procutil"
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"github.com/VictoriaMetrics/VictoriaMetrics/lib/promscrape"
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"github.com/VictoriaMetrics/VictoriaMetrics/lib/protoparser/common"
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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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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 Influx line protocol data. Usually :8189 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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maxLabelsPerTimeseries = flag.Int("maxLabelsPerTimeseries", 30, "The maximum number of labels accepted per time series. Superflouos labels are dropped")
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)
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var (
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influxServer *influxserver.Server
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graphiteServer *graphiteserver.Server
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opentsdbServer *opentsdbserver.Server
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opentsdbhttpServer *opentsdbhttpserver.Server
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)
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// Init initializes vminsert.
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func Init() {
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relabel.Init()
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storage.SetMaxLabelsPerTimeseries(*maxLabelsPerTimeseries)
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common.StartUnmarshalWorkers()
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writeconcurrencylimiter.Init()
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if len(*influxListenAddr) > 0 {
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influxServer = influxserver.MustStart(*influxListenAddr, influx.InsertHandlerForReader)
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}
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if len(*graphiteListenAddr) > 0 {
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graphiteServer = graphiteserver.MustStart(*graphiteListenAddr, graphite.InsertHandler)
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}
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if len(*opentsdbListenAddr) > 0 {
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opentsdbServer = opentsdbserver.MustStart(*opentsdbListenAddr, opentsdb.InsertHandler, 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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promscrape.Init(prompush.Push)
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}
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// Stop stops vminsert.
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func Stop() {
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promscrape.Stop()
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if len(*influxListenAddr) > 0 {
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influxServer.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(*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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}
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// RequestHandler is a handler for Prometheus remote storage write API
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func RequestHandler(w http.ResponseWriter, r *http.Request) bool {
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path := strings.Replace(r.URL.Path, "//", "/", -1)
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switch path {
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case "/api/v1/write":
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prometheusWriteRequests.Inc()
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if err := promremotewrite.InsertHandler(r); err != nil {
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prometheusWriteErrors.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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w.WriteHeader(http.StatusNoContent)
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return true
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case "/api/v1/import":
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vmimportRequests.Inc()
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if err := vmimport.InsertHandler(r); err != nil {
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vmimportErrors.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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w.WriteHeader(http.StatusNoContent)
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return true
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case "/api/v1/import/csv":
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csvimportRequests.Inc()
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if err := csvimport.InsertHandler(r); err != nil {
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csvimportErrors.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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w.WriteHeader(http.StatusNoContent)
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return true
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case "/api/v1/import/prometheus":
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prometheusimportRequests.Inc()
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if err := prometheusimport.InsertHandler(r); err != nil {
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prometheusimportErrors.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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w.WriteHeader(http.StatusNoContent)
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return true
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case "/api/v1/import/native":
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nativeimportRequests.Inc()
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if err := native.InsertHandler(r); err != nil {
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nativeimportErrors.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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w.WriteHeader(http.StatusNoContent)
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return true
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case "/write", "/api/v2/write":
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influxWriteRequests.Inc()
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if err := influx.InsertHandlerForHTTP(r); err != nil {
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influxWriteErrors.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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w.WriteHeader(http.StatusNoContent)
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return true
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case "/query":
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// Emulate fake response for influx query.
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// This is required for TSBS benchmark.
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influxQueryRequests.Inc()
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fmt.Fprintf(w, `{"results":[{"series":[{"values":[]}]}]}`)
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return true
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case "/targets":
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promscrapeTargetsRequests.Inc()
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w.Header().Set("Content-Type", "text/plain")
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showOriginalLabels, _ := strconv.ParseBool(r.FormValue("show_original_labels"))
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promscrape.WriteHumanReadableTargetsStatus(w, showOriginalLabels)
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return true
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case "/-/reload":
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promscrapeConfigReloadRequests.Inc()
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procutil.SelfSIGHUP()
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w.WriteHeader(http.StatusNoContent)
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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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var (
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prometheusWriteRequests = metrics.NewCounter(`vm_http_requests_total{path="/api/v1/write", protocol="promremotewrite"}`)
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prometheusWriteErrors = metrics.NewCounter(`vm_http_request_errors_total{path="/api/v1/write", protocol="promremotewrite"}`)
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vmimportRequests = metrics.NewCounter(`vm_http_requests_total{path="/api/v1/import", protocol="vmimport"}`)
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vmimportErrors = metrics.NewCounter(`vm_http_request_errors_total{path="/api/v1/import", protocol="vmimport"}`)
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csvimportRequests = metrics.NewCounter(`vm_http_requests_total{path="/api/v1/import/csv", protocol="csvimport"}`)
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csvimportErrors = metrics.NewCounter(`vm_http_request_errors_total{path="/api/v1/import/csv", protocol="csvimport"}`)
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prometheusimportRequests = metrics.NewCounter(`vm_http_requests_total{path="/api/v1/import/prometheus", protocol="prometheusimport"}`)
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prometheusimportErrors = metrics.NewCounter(`vm_http_request_errors_total{path="/api/v1/import/prometheus", protocol="prometheusimport"}`)
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nativeimportRequests = metrics.NewCounter(`vm_http_requests_total{path="/api/v1/import/native", protocol="nativeimport"}`)
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nativeimportErrors = metrics.NewCounter(`vm_http_request_errors_total{path="/api/v1/import/native", protocol="nativeimport"}`)
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influxWriteRequests = metrics.NewCounter(`vm_http_requests_total{path="/write", protocol="influx"}`)
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influxWriteErrors = metrics.NewCounter(`vm_http_request_errors_total{path="/write", protocol="influx"}`)
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influxQueryRequests = metrics.NewCounter(`vm_http_requests_total{path="/query", protocol="influx"}`)
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promscrapeTargetsRequests = metrics.NewCounter(`vm_http_requests_total{path="/targets"}`)
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promscrapeConfigReloadRequests = metrics.NewCounter(`vm_http_requests_total{path="/-/reload"}`)
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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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