mirror of
https://github.com/VictoriaMetrics/VictoriaMetrics.git
synced 2024-11-28 18:05:24 +01:00
85 lines
2.8 KiB
Go
85 lines
2.8 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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"strings"
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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/opentsdb"
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"github.com/VictoriaMetrics/VictoriaMetrics/app/vminsert/prometheus"
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"github.com/VictoriaMetrics/VictoriaMetrics/lib/httpserver"
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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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opentsdbListenAddr = flag.String("opentsdbListenAddr", "", "TCP and UDP address to listen for OpentTSDB put messages. Usually :4242 must be set. Doesn't work if empty")
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maxInsertRequestSize = flag.Int("maxInsertRequestSize", 32*1024*1024, "The maximum size of a single insert request in bytes")
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)
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// Init initializes vminsert.
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func Init() {
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if len(*graphiteListenAddr) > 0 {
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go graphite.Serve(*graphiteListenAddr)
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}
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if len(*opentsdbListenAddr) > 0 {
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go opentsdb.Serve(*opentsdbListenAddr)
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}
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}
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// Stop stops vminsert.
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func Stop() {
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if len(*graphiteListenAddr) > 0 {
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graphite.Stop()
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}
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if len(*opentsdbListenAddr) > 0 {
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opentsdb.Stop()
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}
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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 := prometheus.InsertHandler(r, int64(*maxInsertRequestSize)); err != nil {
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prometheusWriteErrors.Inc()
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httpserver.Errorf(w, "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.InsertHandler(r); err != nil {
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influxWriteErrors.Inc()
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httpserver.Errorf(w, "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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influxQueryRequests.Inc()
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fmt.Fprintf(w, `{"results":[{"series":[{"values":[]}]}]}`)
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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="prometheus"}`)
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prometheusWriteErrors = metrics.NewCounter(`vm_http_request_errors_total{path="/api/v1/write", protocol="prometheus"}`)
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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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)
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