syncthing/cmd/stdiscosrv/stats.go
Jakob Borg 22ebc80329 cmd/stdiscosrv: Expose process metrics
Like this:

    $ curl -s http://localhost:9098/metrics | egrep '^syncthing_discovery_process'
    syncthing_discovery_process_cpu_seconds_total 12.92
    syncthing_discovery_process_max_fds 10240
    syncthing_discovery_process_open_fds 51
    syncthing_discovery_process_resident_memory_bytes 1.3674496e+08
    syncthing_discovery_process_start_time_seconds 1.52034731837e+09
    syncthing_discovery_process_virtual_memory_bytes 1.40324864e+08
2018-03-06 15:43:36 +01:00

113 lines
3.4 KiB
Go

// Copyright (C) 2018 The Syncthing Authors.
//
// This Source Code Form is subject to the terms of the Mozilla Public
// License, v. 2.0. If a copy of the MPL was not distributed with this file,
// You can obtain one at https://mozilla.org/MPL/2.0/.
package main
import (
"os"
"github.com/prometheus/client_golang/prometheus"
)
var (
apiRequestsTotal = prometheus.NewCounterVec(
prometheus.CounterOpts{
Namespace: "syncthing",
Subsystem: "discovery",
Name: "api_requests_total",
Help: "Number of API requests.",
}, []string{"type", "result"})
apiRequestsSeconds = prometheus.NewSummaryVec(
prometheus.SummaryOpts{
Namespace: "syncthing",
Subsystem: "discovery",
Name: "api_requests_seconds",
Help: "Latency of API requests.",
Objectives: map[float64]float64{0.5: 0.05, 0.9: 0.01, 0.99: 0.001},
}, []string{"type"})
lookupRequestsTotal = prometheus.NewCounterVec(
prometheus.CounterOpts{
Namespace: "syncthing",
Subsystem: "discovery",
Name: "lookup_requests_total",
Help: "Number of lookup requests.",
}, []string{"result"})
announceRequestsTotal = prometheus.NewCounterVec(
prometheus.CounterOpts{
Namespace: "syncthing",
Subsystem: "discovery",
Name: "announcement_requests_total",
Help: "Number of announcement requests.",
}, []string{"result"})
replicationSendsTotal = prometheus.NewCounterVec(
prometheus.CounterOpts{
Namespace: "syncthing",
Subsystem: "discovery",
Name: "replication_sends_total",
Help: "Number of replication sends.",
}, []string{"result"})
replicationRecvsTotal = prometheus.NewCounterVec(
prometheus.CounterOpts{
Namespace: "syncthing",
Subsystem: "discovery",
Name: "replication_recvs_total",
Help: "Number of replication receives.",
}, []string{"result"})
databaseKeys = prometheus.NewGaugeVec(
prometheus.GaugeOpts{
Namespace: "syncthing",
Subsystem: "discovery",
Name: "database_keys",
Help: "Number of database keys at last count.",
}, []string{"category"})
databaseStatisticsSeconds = prometheus.NewGauge(
prometheus.GaugeOpts{
Namespace: "syncthing",
Subsystem: "discovery",
Name: "database_statistics_seconds",
Help: "Time spent running the statistics routine.",
})
databaseOperations = prometheus.NewCounterVec(
prometheus.CounterOpts{
Namespace: "syncthing",
Subsystem: "discovery",
Name: "database_operations_total",
Help: "Number of database operations.",
}, []string{"operation", "result"})
databaseOperationSeconds = prometheus.NewSummaryVec(
prometheus.SummaryOpts{
Namespace: "syncthing",
Subsystem: "discovery",
Name: "database_operation_seconds",
Help: "Latency of database operations.",
Objectives: map[float64]float64{0.5: 0.05, 0.9: 0.01, 0.99: 0.001},
}, []string{"operation"})
)
const (
dbOpGet = "get"
dbOpPut = "put"
dbOpMerge = "merge"
dbResSuccess = "success"
dbResNotFound = "not_found"
dbResError = "error"
dbResUnmarshalError = "unmarsh_err"
)
func init() {
prometheus.MustRegister(apiRequestsTotal, apiRequestsSeconds,
lookupRequestsTotal, announceRequestsTotal,
replicationSendsTotal, replicationRecvsTotal,
databaseKeys, databaseStatisticsSeconds,
databaseOperations, databaseOperationSeconds)
prometheus.MustRegister(prometheus.NewProcessCollector(os.Getpid(), "syncthing_discovery"))
}