mirror of
https://github.com/prometheus/node_exporter.git
synced 2024-12-17 22:20:13 +01:00
136 lines
3.9 KiB
Go
136 lines
3.9 KiB
Go
// Copyright 2015 The Prometheus Authors
|
|
// Licensed under the Apache License, Version 2.0 (the "License");
|
|
// you may not use this file except in compliance with the License.
|
|
// You may obtain a copy of the License at
|
|
//
|
|
// http://www.apache.org/licenses/LICENSE-2.0
|
|
//
|
|
// Unless required by applicable law or agreed to in writing, software
|
|
// distributed under the License is distributed on an "AS IS" BASIS,
|
|
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
// See the License for the specific language governing permissions and
|
|
// limitations under the License.
|
|
|
|
// +build !nosupervisord
|
|
|
|
package collector
|
|
|
|
import (
|
|
"github.com/kolo/xmlrpc"
|
|
"github.com/prometheus/client_golang/prometheus"
|
|
"github.com/prometheus/common/log"
|
|
"gopkg.in/alecthomas/kingpin.v2"
|
|
)
|
|
|
|
var (
|
|
supervisordURL = kingpin.Flag("collector.supervisord.url", "XML RPC endpoint.").Default("http://localhost:9001/RPC2").String()
|
|
)
|
|
|
|
type supervisordCollector struct {
|
|
client *xmlrpc.Client
|
|
upDesc *prometheus.Desc
|
|
stateDesc *prometheus.Desc
|
|
exitStatusDesc *prometheus.Desc
|
|
uptimeDesc *prometheus.Desc
|
|
}
|
|
|
|
func init() {
|
|
registerCollector("supervisord", defaultDisabled, NewSupervisordCollector)
|
|
}
|
|
|
|
// NewSupervisordCollector returns a new Collector exposing supervisord statistics.
|
|
func NewSupervisordCollector() (Collector, error) {
|
|
client, err := xmlrpc.NewClient(*supervisordURL, nil)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
var (
|
|
subsystem = "supervisord"
|
|
labelNames = []string{"name", "group"}
|
|
)
|
|
return &supervisordCollector{
|
|
client: client,
|
|
upDesc: prometheus.NewDesc(
|
|
prometheus.BuildFQName(namespace, subsystem, "up"),
|
|
"Process Up",
|
|
labelNames,
|
|
nil,
|
|
),
|
|
stateDesc: prometheus.NewDesc(
|
|
prometheus.BuildFQName(namespace, subsystem, "state"),
|
|
"Process State",
|
|
labelNames,
|
|
nil,
|
|
),
|
|
exitStatusDesc: prometheus.NewDesc(
|
|
prometheus.BuildFQName(namespace, subsystem, "exit_status"),
|
|
"Process Exit Status",
|
|
labelNames,
|
|
nil,
|
|
),
|
|
uptimeDesc: prometheus.NewDesc(
|
|
prometheus.BuildFQName(namespace, subsystem, "uptime"),
|
|
"Process Uptime",
|
|
labelNames,
|
|
nil,
|
|
),
|
|
}, nil
|
|
}
|
|
|
|
func (c *supervisordCollector) isRunning(state int) bool {
|
|
// http://supervisord.org/subprocess.html#process-states
|
|
const (
|
|
STOPPED = 0
|
|
STARTING = 10
|
|
RUNNING = 20
|
|
BACKOFF = 30
|
|
STOPPING = 40
|
|
EXITED = 100
|
|
FATAL = 200
|
|
UNKNOWN = 1000
|
|
)
|
|
switch state {
|
|
case STARTING, RUNNING, STOPPING:
|
|
return true
|
|
}
|
|
return false
|
|
}
|
|
|
|
func (c *supervisordCollector) Update(ch chan<- prometheus.Metric) error {
|
|
var infos []struct {
|
|
Name string `xmlrpc:"name"`
|
|
Group string `xmlrpc:"group"`
|
|
Start int `xmlrpc:"start"`
|
|
Stop int `xmlrpc:"stop"`
|
|
Now int `xmlrpc:"now"`
|
|
State int `xmlrpc:"state"`
|
|
StateName string `xmlrpc:"statename"`
|
|
SpawnErr string `xmlrpc:"spanerr"`
|
|
ExitStatus int `xmlrpc:"exitstatus"`
|
|
StdoutLogfile string `xmlrcp:"stdout_logfile"`
|
|
StderrLogfile string `xmlrcp:"stderr_logfile"`
|
|
PID int `xmlrpc:"pid"`
|
|
}
|
|
if err := c.client.Call("supervisor.getAllProcessInfo", nil, &infos); err != nil {
|
|
return err
|
|
}
|
|
for _, info := range infos {
|
|
labels := []string{info.Name, info.Group}
|
|
|
|
ch <- prometheus.MustNewConstMetric(c.stateDesc, prometheus.GaugeValue, float64(info.State), labels...)
|
|
ch <- prometheus.MustNewConstMetric(c.exitStatusDesc, prometheus.GaugeValue, float64(info.ExitStatus), labels...)
|
|
|
|
if c.isRunning(info.State) {
|
|
ch <- prometheus.MustNewConstMetric(c.upDesc, prometheus.GaugeValue, 1, labels...)
|
|
ch <- prometheus.MustNewConstMetric(c.uptimeDesc, prometheus.CounterValue, float64(info.Now-info.Start), labels...)
|
|
} else {
|
|
ch <- prometheus.MustNewConstMetric(c.upDesc, prometheus.GaugeValue, 0, labels...)
|
|
ch <- prometheus.MustNewConstMetric(c.uptimeDesc, prometheus.CounterValue, 0, labels...)
|
|
}
|
|
log.Debugf("%s:%s is %s on pid %d", info.Group, info.Name, info.StateName, info.PID)
|
|
}
|
|
|
|
return nil
|
|
}
|