mirror of
https://github.com/prometheus/node_exporter.git
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3bc9a93c20
Fix the error logging of the promhttp handler by connecting it to the promlog setup. * Switch to go-kit/log. * Cleanup CHANGELOG. Fixes: https://github.com/prometheus/node_exporter/issues/1886 Signed-off-by: Ben Kochie <superq@gmail.com>
62 lines
1.7 KiB
Go
62 lines
1.7 KiB
Go
// Copyright 2018 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 freebsd dragonfly openbsd,!amd64 netbsd darwin
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// +build !noboottime
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package collector
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import (
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"github.com/go-kit/log"
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"github.com/prometheus/client_golang/prometheus"
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)
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type bootTimeCollector struct {
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boottime bsdSysctl
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logger log.Logger
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}
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func init() {
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registerCollector("boottime", defaultEnabled, newBootTimeCollector)
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}
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// newBootTimeCollector returns a new Collector exposing system boot time on BSD systems.
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func newBootTimeCollector(logger log.Logger) (Collector, error) {
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return &bootTimeCollector{
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boottime: bsdSysctl{
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name: "boot_time_seconds",
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description: "Unix time of last boot, including microseconds.",
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mib: "kern.boottime",
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dataType: bsdSysctlTypeStructTimeval,
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},
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logger: logger,
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}, nil
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}
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// Update pushes boot time onto ch
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func (c *bootTimeCollector) Update(ch chan<- prometheus.Metric) error {
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v, err := c.boottime.Value()
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if err != nil {
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return err
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}
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ch <- prometheus.MustNewConstMetric(
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prometheus.NewDesc(
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prometheus.BuildFQName(namespace, "", c.boottime.name),
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c.boottime.description,
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nil, nil,
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), prometheus.GaugeValue, v)
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return nil
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}
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