livebox-exporter/internal/poller/devices.go
2023-06-03 11:30:01 +02:00

63 lines
1.7 KiB
Go

package poller
import (
"context"
"fmt"
"github.com/Tomy2e/livebox-api-client"
"github.com/Tomy2e/livebox-api-client/api/request"
"github.com/prometheus/client_golang/prometheus"
)
var _ Poller = &DevicesTotal{}
// DevicesTotal allows to poll the total number of active devices.
type DevicesTotal struct {
client *livebox.Client
devicesTotal *prometheus.GaugeVec
}
// NewDevicesTotal returns a new DevicesTotal poller.
func NewDevicesTotal(client *livebox.Client) *DevicesTotal {
return &DevicesTotal{
client: client,
devicesTotal: prometheus.NewGaugeVec(prometheus.GaugeOpts{
Name: "livebox_devices_total",
Help: "The total number of active devices",
}, []string{
// Type of the device (dongle, ethernet, printer or wifi).
"type",
}),
}
}
// Collectors returns all metrics.
func (dt *DevicesTotal) Collectors() []prometheus.Collector {
return []prometheus.Collector{dt.devicesTotal}
}
// Poll polls the current number of active devices.
func (dt *DevicesTotal) Poll(ctx context.Context) error {
var devices struct {
Status map[string][]struct{} `json:"status"`
}
if err := dt.client.Request(ctx, request.New("Devices", "get", map[string]interface{}{
"expression": map[string]string{
"ethernet": "not interface and not self and eth and .Active==true",
"wifi": "not interface and not self and wifi and .Active==true",
"printer": "printer and .Active==true",
"dongle": "usb && wwan and .Active==true",
},
}), &devices); err != nil {
return fmt.Errorf("failed to get active devices: %w", err)
}
for t, d := range devices.Status {
dt.devicesTotal.
With(prometheus.Labels{"type": t}).
Set(float64(len(d)))
}
return nil
}