mirror of
https://github.com/prometheus-community/smartctl_exporter.git
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920c3429b1
First prometheus-community release. * [FEATURE] Add various new metrics #14 * [BUGFIX] Fix exit code bit parsing #37 Signed-off-by: SuperQ <superq@gmail.com>
81 lines
2.4 KiB
Go
81 lines
2.4 KiB
Go
// Copyright 2022 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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package main
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import (
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"log"
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"net/http"
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"github.com/prometheus/client_golang/prometheus"
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"github.com/prometheus/client_golang/prometheus/collectors"
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"github.com/prometheus/client_golang/prometheus/promhttp"
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)
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var (
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options Options
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logger Logger
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)
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// SMARTctlManagerCollector implements the Collector interface.
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type SMARTctlManagerCollector struct {
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}
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// Describe sends the super-set of all possible descriptors of metrics
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func (i SMARTctlManagerCollector) Describe(ch chan<- *prometheus.Desc) {
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prometheus.DescribeByCollect(i, ch)
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}
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// Collect is called by the Prometheus registry when collecting metrics.
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func (i SMARTctlManagerCollector) Collect(ch chan<- prometheus.Metric) {
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info := NewSMARTctlInfo(ch)
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for _, device := range options.SMARTctl.Devices {
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if json, err := readData(device); err == nil {
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info.SetJSON(json)
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smart := NewSMARTctl(json, ch)
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smart.Collect()
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} else {
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logger.Error(err.Error())
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}
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}
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info.Collect()
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}
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func init() {
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options = loadOptions()
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if len(options.SMARTctl.Devices) == 0 {
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logger.Debug("No devices specified, trying to load them automatically")
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json := readSMARTctlDevices()
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devices := json.Get("devices").Array()
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for _, d := range devices {
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device := d.Get("name").String()
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logger.Debug("Found device: %s", device)
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options.SMARTctl.Devices = append(options.SMARTctl.Devices, device)
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}
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}
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}
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func main() {
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reg := prometheus.NewPedanticRegistry()
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reg.MustRegister(
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collectors.NewProcessCollector(collectors.ProcessCollectorOpts{}),
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collectors.NewGoCollector(),
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)
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prometheus.WrapRegistererWithPrefix("", reg).MustRegister(SMARTctlManagerCollector{})
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logger.Info("Starting on %s%s", options.SMARTctl.BindTo, options.SMARTctl.URLPath)
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http.Handle(options.SMARTctl.URLPath, promhttp.HandlerFor(reg, promhttp.HandlerOpts{}))
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log.Fatal(http.ListenAndServe(options.SMARTctl.BindTo, nil))
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}
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