107 lines
2.7 KiB
Go
107 lines
2.7 KiB
Go
// Copyright 2015 The Prometheus Authors
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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// +build openbsd
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// +build !norcctl
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package collector
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import (
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"github.com/go-kit/kit/log"
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"github.com/go-kit/kit/log/level"
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"github.com/prometheus/client_golang/prometheus"
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"os/exec"
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"strings"
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)
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var (
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specialSvcs = map[string]struct{}{
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"accounting": struct{}{},
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"check_quotas": struct{}{},
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"ipsec": struct{}{},
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"library_aslr": struct{}{},
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"multicast": struct{}{},
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"pf": struct{}{},
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"spamd_black": struct{}{},
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}
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)
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const (
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rcctl = "/usr/sbin/rcctl"
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rcdir = "/etc/rc.d"
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)
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type rcctlCollector struct {
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state, stateDesired typedDesc
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logger log.Logger
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}
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func init() {
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registerCollector("rcctl", defaultDisabled, NewRcctlCollector)
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}
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// NewRunitCollector returns a new Collector exposing runit statistics.
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func NewRcctlCollector(logger log.Logger) (Collector, error) {
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var (
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subsystem = "service"
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constLabels = prometheus.Labels{"supervisor": "rcctl"}
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labelNames = []string{"service"}
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)
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return &rcctlCollector{
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state: typedDesc{prometheus.NewDesc(
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prometheus.BuildFQName(namespace, subsystem, "state"),
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"State of rcctl service.",
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labelNames, constLabels,
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), prometheus.GaugeValue},
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stateDesired: typedDesc{prometheus.NewDesc(
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prometheus.BuildFQName(namespace, subsystem, "desired_state"),
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"Desired state of rcctl service.",
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labelNames, constLabels,
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), prometheus.GaugeValue},
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logger: logger,
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}, nil
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}
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func (rcctlCollector) check(service string) (status int) {
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cmd := exec.Command(rcdir+"/"+service, "check")
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err := cmd.Run()
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if err != nil {
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return
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}
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if cmd.ProcessState.ExitCode() == 0 {
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status = 1
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}
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return
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}
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func (c *rcctlCollector) Update(ch chan<- prometheus.Metric) error {
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cmd := exec.Command(rcctl, "ls", "on")
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on, err := cmd.Output()
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if err != nil {
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return err
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}
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for _, s := range strings.Split(string(on), "\n") {
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if s == "" {
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continue
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}
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if _, ok := specialSvcs[s]; ok {
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continue
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}
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status := c.check(s)
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level.Debug(c.logger).Log("msg", "Current status", "Service", s, "Status", status)
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ch <- c.state.mustNewConstMetric(float64(status), s)
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ch <- c.stateDesired.mustNewConstMetric(float64(1), s)
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}
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return nil
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}
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