mirror of
https://github.com/prometheus-community/windows_exporter
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142 lines
3.1 KiB
Go
142 lines
3.1 KiB
Go
//go:build windows
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package msmq
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import (
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"fmt"
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"log/slog"
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"github.com/alecthomas/kingpin/v2"
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"github.com/prometheus-community/windows_exporter/internal/mi"
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"github.com/prometheus-community/windows_exporter/internal/perfdata"
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"github.com/prometheus-community/windows_exporter/internal/types"
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"github.com/prometheus/client_golang/prometheus"
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)
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const Name = "msmq"
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type Config struct{}
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var ConfigDefaults = Config{}
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// A Collector is a Prometheus Collector for WMI Win32_PerfRawData_MSMQ_MSMQQueue metrics.
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type Collector struct {
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config Config
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perfDataCollector *perfdata.Collector
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bytesInJournalQueue *prometheus.Desc
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bytesInQueue *prometheus.Desc
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messagesInJournalQueue *prometheus.Desc
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messagesInQueue *prometheus.Desc
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}
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func New(config *Config) *Collector {
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if config == nil {
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config = &ConfigDefaults
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}
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c := &Collector{
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config: *config,
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}
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return c
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}
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func NewWithFlags(_ *kingpin.Application) *Collector {
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c := &Collector{
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config: ConfigDefaults,
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}
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return c
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}
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func (c *Collector) GetName() string {
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return Name
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}
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func (c *Collector) Close() error {
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return nil
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}
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func (c *Collector) Build(_ *slog.Logger, _ *mi.Session) error {
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var err error
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c.perfDataCollector, err = perfdata.NewCollector("MSMQ Queue", perfdata.InstancesAll, []string{
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BytesInJournalQueue,
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BytesInQueue,
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MessagesInJournalQueue,
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MessagesInQueue,
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})
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if err != nil {
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return fmt.Errorf("failed to create MSMQ Queue collector: %w", err)
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}
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c.bytesInJournalQueue = prometheus.NewDesc(
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prometheus.BuildFQName(types.Namespace, Name, "bytes_in_journal_queue"),
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"Size of queue journal in bytes",
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[]string{"name"},
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nil,
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)
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c.bytesInQueue = prometheus.NewDesc(
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prometheus.BuildFQName(types.Namespace, Name, "bytes_in_queue"),
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"Size of queue in bytes",
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[]string{"name"},
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nil,
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)
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c.messagesInJournalQueue = prometheus.NewDesc(
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prometheus.BuildFQName(types.Namespace, Name, "messages_in_journal_queue"),
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"Count messages in queue journal",
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[]string{"name"},
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nil,
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)
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c.messagesInQueue = prometheus.NewDesc(
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prometheus.BuildFQName(types.Namespace, Name, "messages_in_queue"),
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"Count messages in queue",
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[]string{"name"},
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nil,
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)
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return nil
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}
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// Collect sends the metric values for each metric
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// to the provided prometheus Metric channel.
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func (c *Collector) Collect(ch chan<- prometheus.Metric) error {
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perfData, err := c.perfDataCollector.Collect()
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if err != nil {
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return fmt.Errorf("failed to collect MSMQ Queue metrics: %w", err)
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}
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for name, data := range perfData {
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ch <- prometheus.MustNewConstMetric(
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c.bytesInJournalQueue,
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prometheus.GaugeValue,
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data[BytesInJournalQueue].FirstValue,
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name,
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)
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ch <- prometheus.MustNewConstMetric(
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c.bytesInQueue,
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prometheus.GaugeValue,
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data[BytesInQueue].FirstValue,
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name,
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)
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ch <- prometheus.MustNewConstMetric(
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c.messagesInJournalQueue,
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prometheus.GaugeValue,
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data[MessagesInJournalQueue].FirstValue,
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name,
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)
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ch <- prometheus.MustNewConstMetric(
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c.messagesInQueue,
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prometheus.GaugeValue,
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data[MessagesInQueue].FirstValue,
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name,
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)
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}
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return nil
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}
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