102 lines
2.8 KiB
Go
102 lines
2.8 KiB
Go
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package collector
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import (
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"context"
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"log"
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"sync"
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"github.com/Tomy2e/livebox-api-client"
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"github.com/Tomy2e/livebox-api-client/api/request"
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"github.com/prometheus/client_golang/prometheus"
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)
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var _ prometheus.Collector = &DeviceInfo{}
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// DeviceInfo implements a prometheus Collector that returns Livebox specific metrics.
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type DeviceInfo struct {
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client livebox.Client
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numberOfRebootsMetric *prometheus.Desc
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uptimeMetric *prometheus.Desc
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memoryTotalMetric *prometheus.Desc
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memoryUsageMetric *prometheus.Desc
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}
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// NewDeviceInfo returns a new DeviceInfo collector using the specified client.
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func NewDeviceInfo(client livebox.Client) *DeviceInfo {
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return &DeviceInfo{
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client: client,
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numberOfRebootsMetric: prometheus.NewDesc(
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"livebox_deviceinfo_reboots_total",
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"Number of Livebox reboots.",
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nil, nil,
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),
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uptimeMetric: prometheus.NewDesc(
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"livebox_deviceinfo_uptime_seconds_total",
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"Livebox current uptime.",
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nil, nil,
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),
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memoryTotalMetric: prometheus.NewDesc(
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"livebox_deviceinfo_memory_total_mbytes",
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"Livebox system total memory.",
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nil, nil,
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),
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memoryUsageMetric: prometheus.NewDesc(
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"livebox_deviceinfo_memory_usage_mbytes",
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"Livebox system used memory.",
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nil, nil,
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),
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}
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}
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// Describe currently does nothing.
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func (d *DeviceInfo) Describe(c chan<- *prometheus.Desc) {}
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func (d *DeviceInfo) deviceInfo(c chan<- prometheus.Metric) {
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var deviceInfo struct {
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Status struct {
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NumberOfReboots float64 `json:"NumberOfReboots"`
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UpTime float64 `json:"UpTime"`
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} `json:"status"`
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}
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if err := d.client.Request(context.TODO(), request.New("DeviceInfo", "get", nil), &deviceInfo); err != nil {
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log.Printf("WARN: DeviceInfo collector failed: %s", err)
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return
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}
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c <- prometheus.MustNewConstMetric(d.numberOfRebootsMetric, prometheus.GaugeValue, deviceInfo.Status.NumberOfReboots)
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c <- prometheus.MustNewConstMetric(d.uptimeMetric, prometheus.GaugeValue, deviceInfo.Status.UpTime)
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}
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func (d *DeviceInfo) memoryStatus(c chan<- prometheus.Metric) {
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var memoryStatus struct {
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Status struct {
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Total float64 `json:"Total"`
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Free float64 `json:"Free"`
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} `json:"status"`
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}
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if err := d.client.Request(context.TODO(), request.New("DeviceInfo.MemoryStatus", "get", nil), &memoryStatus); err != nil {
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log.Printf("WARN: MemoryStatus collector failed: %s", err)
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return
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}
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c <- prometheus.MustNewConstMetric(d.memoryTotalMetric, prometheus.GaugeValue, memoryStatus.Status.Total)
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c <- prometheus.MustNewConstMetric(d.memoryUsageMetric, prometheus.GaugeValue, memoryStatus.Status.Total-memoryStatus.Status.Free)
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}
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// Collect collects all DeviceInfo metrics.
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func (d *DeviceInfo) Collect(c chan<- prometheus.Metric) {
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wg := sync.WaitGroup{}
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wg.Add(1)
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go func() {
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d.deviceInfo(c)
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wg.Done()
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}()
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wg.Add(1)
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go func() {
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d.memoryStatus(c)
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wg.Done()
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}()
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wg.Wait()
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}
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