mirror of
https://github.com/VictoriaMetrics/VictoriaMetrics.git
synced 2025-03-11 15:34:56 +00:00
564e6ea024
Previously, time series with labels exceeding the configured limits were truncated and written to storage, potentially causing data inconsistency. This could lead to collisions between time series and make it difficult to identify the source due to truncated labels. This commit changes the behavior: * Such time series are now rejected outright. * Rejected time series are logged to stdout, and corresponding counters are incremented. * removes `vm_too_long_label_values_total`, `vm_too_long_label_names_total`, `vm_metrics_with_dropped_labels_total` metrics. * adds new values `[too_many_labels,too_long_label_name,too_long_label_value]` to `reason` label of the `vm_rows_ignored_total` metric name related issues: - https://github.com/VictoriaMetrics/VictoriaMetrics/issues/6928 - https://github.com/VictoriaMetrics/VictoriaMetrics/issues/7661
442 lines
20 KiB
Go
442 lines
20 KiB
Go
package vminsert
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import (
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"embed"
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"flag"
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"fmt"
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"net/http"
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"strings"
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"time"
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"github.com/VictoriaMetrics/metrics"
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vminsertCommon "github.com/VictoriaMetrics/VictoriaMetrics/app/vminsert/common"
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"github.com/VictoriaMetrics/VictoriaMetrics/app/vminsert/csvimport"
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"github.com/VictoriaMetrics/VictoriaMetrics/app/vminsert/datadogsketches"
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"github.com/VictoriaMetrics/VictoriaMetrics/app/vminsert/datadogv1"
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"github.com/VictoriaMetrics/VictoriaMetrics/app/vminsert/datadogv2"
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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/newrelic"
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"github.com/VictoriaMetrics/VictoriaMetrics/app/vminsert/opentelemetry"
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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/auth"
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"github.com/VictoriaMetrics/VictoriaMetrics/lib/bytesutil"
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"github.com/VictoriaMetrics/VictoriaMetrics/lib/flagutil"
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"github.com/VictoriaMetrics/VictoriaMetrics/lib/httpserver"
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"github.com/VictoriaMetrics/VictoriaMetrics/lib/influxutils"
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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/prompbmarshal"
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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/protoparser/opentelemetry/firehose"
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"github.com/VictoriaMetrics/VictoriaMetrics/lib/stringsutil"
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"github.com/VictoriaMetrics/VictoriaMetrics/lib/timeserieslimits"
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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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"See also -graphiteListenAddr.useProxyProtocol")
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graphiteUseProxyProtocol = flag.Bool("graphiteListenAddr.useProxyProtocol", false, "Whether to use proxy protocol for connections accepted at -graphiteListenAddr . "+
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"See https://www.haproxy.org/download/1.8/doc/proxy-protocol.txt")
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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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"See also -influxListenAddr.useProxyProtocol")
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influxUseProxyProtocol = flag.Bool("influxListenAddr.useProxyProtocol", false, "Whether to use proxy protocol for connections accepted at -influxListenAddr . "+
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"See https://www.haproxy.org/download/1.8/doc/proxy-protocol.txt")
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opentsdbListenAddr = flag.String("opentsdbListenAddr", "", "TCP and UDP address to listen for OpenTSDB 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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"See also -opentsdbListenAddr.useProxyProtocol")
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opentsdbUseProxyProtocol = flag.Bool("opentsdbListenAddr.useProxyProtocol", false, "Whether to use proxy protocol for connections accepted at -opentsdbListenAddr . "+
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"See https://www.haproxy.org/download/1.8/doc/proxy-protocol.txt")
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opentsdbHTTPListenAddr = flag.String("opentsdbHTTPListenAddr", "", "TCP address to listen for OpenTSDB HTTP put requests. Usually :4242 must be set. Doesn't work if empty. "+
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"See also -opentsdbHTTPListenAddr.useProxyProtocol")
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opentsdbHTTPUseProxyProtocol = flag.Bool("opentsdbHTTPListenAddr.useProxyProtocol", false, "Whether to use proxy protocol for connections accepted "+
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"at -opentsdbHTTPListenAddr . See https://www.haproxy.org/download/1.8/doc/proxy-protocol.txt")
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configAuthKey = flagutil.NewPassword("configAuthKey", "Authorization key for accessing /config page. It must be passed via authKey query arg. It overrides -httpAuth.*")
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reloadAuthKey = flagutil.NewPassword("reloadAuthKey", "Auth key for /-/reload http endpoint. It must be passed via authKey query arg. It overrides httpAuth.* settings.")
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maxLabelsPerTimeseries = flag.Int("maxLabelsPerTimeseries", 40, "The maximum number of labels per time series to be accepted. Series with superfluous labels are ignored. In this case the vm_rows_ignored_total{reason=\"too_many_labels\"} metric at /metrics page is incremented")
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maxLabelNameLen = flag.Int("maxLabelNameLen", 256, "The maximum length of label name in the accepted time series. Series with longer label name are ignored. In this case the vm_rows_ignored_total{reason=\"too_long_label_name\"} metric at /metrics page is incremented")
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maxLabelValueLen = flag.Int("maxLabelValueLen", 4*1024, "The maximum length of label values in the accepted time series. Series with longer label value are ignored. In this case the vm_rows_ignored_total{reason=\"too_long_label_value\"} metric at /metrics page is incremented")
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)
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var (
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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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//go:embed static
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var staticFiles embed.FS
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var staticServer = http.FileServer(http.FS(staticFiles))
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// Init initializes vminsert.
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func Init() {
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relabel.Init()
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vminsertCommon.InitStreamAggr()
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common.StartUnmarshalWorkers()
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if len(*graphiteListenAddr) > 0 {
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graphiteServer = graphiteserver.MustStart(*graphiteListenAddr, *graphiteUseProxyProtocol, graphite.InsertHandler)
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}
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if len(*influxListenAddr) > 0 {
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influxServer = influxserver.MustStart(*influxListenAddr, *influxUseProxyProtocol, influx.InsertHandlerForReader)
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}
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if len(*opentsdbListenAddr) > 0 {
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opentsdbServer = opentsdbserver.MustStart(*opentsdbListenAddr, *opentsdbUseProxyProtocol, opentsdb.InsertHandler, opentsdbhttp.InsertHandler)
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}
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if len(*opentsdbHTTPListenAddr) > 0 {
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opentsdbhttpServer = opentsdbhttpserver.MustStart(*opentsdbHTTPListenAddr, *opentsdbHTTPUseProxyProtocol, opentsdbhttp.InsertHandler)
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}
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promscrape.Init(func(_ *auth.Token, wr *prompbmarshal.WriteRequest) {
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prompush.Push(wr)
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})
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timeserieslimits.Init(*maxLabelsPerTimeseries, *maxLabelNameLen, *maxLabelValueLen)
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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(*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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vminsertCommon.MustStopStreamAggr()
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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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startTime := time.Now()
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defer requestDuration.UpdateDuration(startTime)
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path := strings.Replace(r.URL.Path, "//", "/", -1)
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if strings.HasPrefix(path, "/static") {
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staticServer.ServeHTTP(w, r)
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return true
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}
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if strings.HasPrefix(path, "/prometheus/static") {
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r.URL.Path = strings.TrimPrefix(path, "/prometheus")
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staticServer.ServeHTTP(w, r)
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return true
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}
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if strings.HasPrefix(path, "/prometheus/api/v1/import/prometheus") || strings.HasPrefix(path, "/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, "%s", err)
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return true
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}
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statusCode := http.StatusNoContent
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if strings.HasPrefix(path, "/prometheus/api/v1/import/prometheus/metrics/job/") ||
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strings.HasPrefix(path, "/api/v1/import/prometheus/metrics/job/") {
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// Return 200 status code for pushgateway requests.
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// See https://github.com/VictoriaMetrics/VictoriaMetrics/issues/3636
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statusCode = http.StatusOK
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}
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w.WriteHeader(statusCode)
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return true
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}
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if strings.HasPrefix(path, "/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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path = strings.TrimSuffix(path, "/")
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}
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switch path {
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case "/prometheus/api/v1/write", "/api/v1/write", "/api/v1/push", "/prometheus/api/v1/push":
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if common.HandleVMProtoServerHandshake(w, r) {
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return true
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}
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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, "%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", "/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, "%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", "/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, "%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", "/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, "%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", "/write", "/api/v2/write":
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influxWriteRequests.Inc()
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addInfluxResponseHeaders(w)
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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, "%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", "/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 "/influx/health":
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influxHealthRequests.Inc()
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influxutils.WriteHealthCheckResponse(w)
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return true
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case "/opentelemetry/api/v1/push", "/opentelemetry/v1/metrics":
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opentelemetryPushRequests.Inc()
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if err := opentelemetry.InsertHandler(r); err != nil {
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opentelemetryPushErrors.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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firehose.WriteSuccessResponse(w, r)
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return true
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case "/newrelic":
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newrelicCheckRequest.Inc()
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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 "/newrelic/inventory/deltas":
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newrelicInventoryRequests.Inc()
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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, `{"payload":{"version": 1, "state": {}, "reset": "false"}}`)
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return true
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case "/newrelic/infra/v2/metrics/events/bulk":
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newrelicWriteRequests.Inc()
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if err := newrelic.InsertHandlerForHTTP(r); err != nil {
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newrelicWriteErrors.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.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/series":
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datadogv1WriteRequests.Inc()
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if err := datadogv1.InsertHandlerForHTTP(r); err != nil {
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datadogv1WriteErrors.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.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/v2/series":
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datadogv2WriteRequests.Inc()
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if err := datadogv2.InsertHandlerForHTTP(r); err != nil {
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datadogv2WriteErrors.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/beta/sketches":
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datadogsketchesWriteRequests.Inc()
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if err := datadogsketches.InsertHandlerForHTTP(r); err != nil {
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datadogsketchesWriteErrors.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(202)
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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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case "/prometheus/targets", "/targets":
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promscrapeTargetsRequests.Inc()
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promscrape.WriteHumanReadableTargetsStatus(w, r)
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return true
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case "/prometheus/service-discovery", "/service-discovery":
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promscrapeServiceDiscoveryRequests.Inc()
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promscrape.WriteServiceDiscovery(w, r)
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return true
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case "/prometheus/api/v1/targets", "/api/v1/targets":
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promscrapeAPIV1TargetsRequests.Inc()
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w.Header().Set("Content-Type", "application/json")
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state := r.FormValue("state")
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promscrape.WriteAPIV1Targets(w, state)
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return true
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case "/prometheus/target_response", "/target_response":
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promscrapeTargetResponseRequests.Inc()
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if err := promscrape.WriteTargetResponse(w, r); err != nil {
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promscrapeTargetResponseErrors.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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return true
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case "/prometheus/config", "/config":
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if !httpserver.CheckAuthFlag(w, r, configAuthKey) {
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return true
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}
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promscrapeConfigRequests.Inc()
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w.Header().Set("Content-Type", "text/plain; charset=utf-8")
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promscrape.WriteConfigData(w)
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return true
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case "/prometheus/api/v1/status/config", "/api/v1/status/config":
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// See https://prometheus.io/docs/prometheus/latest/querying/api/#config
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if !httpserver.CheckAuthFlag(w, r, configAuthKey) {
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return true
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}
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promscrapeStatusConfigRequests.Inc()
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w.Header().Set("Content-Type", "application/json")
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var bb bytesutil.ByteBuffer
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promscrape.WriteConfigData(&bb)
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fmt.Fprintf(w, `{"status":"success","data":{"yaml":%s}}`, stringsutil.JSONString(string(bb.B)))
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return true
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case "/prometheus/-/reload", "/-/reload":
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if !httpserver.CheckAuthFlag(w, r, reloadAuthKey) {
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return true
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}
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promscrapeConfigReloadRequests.Inc()
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procutil.SelfSIGHUP()
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w.WriteHeader(http.StatusOK)
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return true
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case "/ready":
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if rdy := promscrape.PendingScrapeConfigs.Load(); rdy > 0 {
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errMsg := fmt.Sprintf("waiting for scrape config to init targets, configs left: %d", rdy)
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http.Error(w, errMsg, http.StatusTooEarly)
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} else {
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w.Header().Set("Content-Type", "text/plain; charset=utf-8")
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w.WriteHeader(http.StatusOK)
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w.Write([]byte("OK"))
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}
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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="/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="/influx/write", protocol="influx"}`)
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influxWriteErrors = metrics.NewCounter(`vm_http_request_errors_total{path="/influx/write", protocol="influx"}`)
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influxQueryRequests = metrics.NewCounter(`vm_http_requests_total{path="/influx/query", protocol="influx"}`)
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influxHealthRequests = metrics.NewCounter(`vm_http_requests_total{path="/influx/health", protocol="influx"}`)
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|
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datadogv1WriteRequests = metrics.NewCounter(`vm_http_requests_total{path="/datadog/api/v1/series", protocol="datadog"}`)
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datadogv1WriteErrors = metrics.NewCounter(`vm_http_request_errors_total{path="/datadog/api/v1/series", protocol="datadog"}`)
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datadogv2WriteRequests = metrics.NewCounter(`vm_http_requests_total{path="/datadog/api/v2/series", protocol="datadog"}`)
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datadogv2WriteErrors = metrics.NewCounter(`vm_http_request_errors_total{path="/datadog/api/v2/series", protocol="datadog"}`)
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|
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datadogsketchesWriteRequests = metrics.NewCounter(`vm_http_requests_total{path="/datadog/api/beta/sketches", protocol="datadog"}`)
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datadogsketchesWriteErrors = metrics.NewCounter(`vm_http_request_errors_total{path="/datadog/api/beta/sketches", protocol="datadog"}`)
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|
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datadogValidateRequests = metrics.NewCounter(`vm_http_requests_total{path="/datadog/api/v1/validate", protocol="datadog"}`)
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|
datadogCheckRunRequests = metrics.NewCounter(`vm_http_requests_total{path="/datadog/api/v1/check_run", protocol="datadog"}`)
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datadogIntakeRequests = metrics.NewCounter(`vm_http_requests_total{path="/datadog/intake", protocol="datadog"}`)
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datadogMetadataRequests = metrics.NewCounter(`vm_http_requests_total{path="/datadog/api/v1/metadata", protocol="datadog"}`)
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|
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opentelemetryPushRequests = metrics.NewCounter(`vm_http_requests_total{path="/opentelemetry/v1/metrics", protocol="opentelemetry"}`)
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|
opentelemetryPushErrors = metrics.NewCounter(`vm_http_request_errors_total{path="/opentelemetry/v1/metrics", protocol="opentelemetry"}`)
|
|
|
|
newrelicWriteRequests = metrics.NewCounter(`vm_http_requests_total{path="/newrelic/infra/v2/metrics/events/bulk", protocol="newrelic"}`)
|
|
newrelicWriteErrors = metrics.NewCounter(`vm_http_request_errors_total{path="/newrelic/infra/v2/metrics/events/bulk", protocol="newrelic"}`)
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|
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newrelicInventoryRequests = metrics.NewCounter(`vm_http_requests_total{path="/newrelic/inventory/deltas", protocol="newrelic"}`)
|
|
newrelicCheckRequest = metrics.NewCounter(`vm_http_requests_total{path="/newrelic", protocol="newrelic"}`)
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promscrapeTargetsRequests = metrics.NewCounter(`vm_http_requests_total{path="/targets"}`)
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|
promscrapeServiceDiscoveryRequests = metrics.NewCounter(`vm_http_requests_total{path="/service-discovery"}`)
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promscrapeAPIV1TargetsRequests = metrics.NewCounter(`vm_http_requests_total{path="/api/v1/targets"}`)
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|
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promscrapeTargetResponseRequests = metrics.NewCounter(`vm_http_requests_total{path="/target_response"}`)
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|
promscrapeTargetResponseErrors = metrics.NewCounter(`vm_http_request_errors_total{path="/target_response"}`)
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|
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|
promscrapeConfigRequests = metrics.NewCounter(`vm_http_requests_total{path="/config"}`)
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|
promscrapeStatusConfigRequests = metrics.NewCounter(`vm_http_requests_total{path="/api/v1/status/config"}`)
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|
|
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promscrapeConfigReloadRequests = metrics.NewCounter(`vm_http_requests_total{path="/-/reload"}`)
|
|
)
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