tailscale-exporter/pkg/metrics/keys.go

57 lines
1.5 KiB
Go

package metrics
import (
"fmt"
"tailscale-exporter/pkg/tailscale"
"time"
"github.com/prometheus/client_golang/prometheus"
)
func collectKeys(client *tailscale.Client) []prometheus.Collector {
keyExpiry := prometheus.NewGaugeVec(
prometheus.GaugeOpts{
Name: "tailscale_keys_expiry_time",
Help: "The expiry time of auth keys",
ConstLabels: prometheus.Labels{
"tailnet": client.GetTailnet(),
},
},
[]string{"id", "created", "description", "type"},
)
keySecondsRemaining := prometheus.NewGaugeVec(
prometheus.GaugeOpts{
Name: "tailscale_keys_expiry_seconds_remaining",
Help: "The number of seconds remaining until a key expires",
ConstLabels: prometheus.Labels{
"tailnet": client.GetTailnet(),
},
},
[]string{"id", "created", "description", "type"},
)
go func() {
for {
keys, err := client.GetKeys()
if err != nil {
fmt.Println("Failed to get keys: ", err)
} else {
for _, key := range keys {
remainingSeconds := time.Until(key.Expires).Seconds()
keyType := "auth_key"
if key.Capabilities == nil {
keyType = "api_access_token"
}
keyExpiry.With(prometheus.Labels{"id": key.ID, "created": key.Created.String(), "description": key.Description, "type": keyType}).Set(float64(key.Expires.Unix()))
keySecondsRemaining.With(prometheus.Labels{"id": key.ID, "created": key.Created.String(), "description": key.Description, "type": keyType}).Set(remainingSeconds)
}
}
time.Sleep(60 * time.Second)
}
}()
return []prometheus.Collector{keyExpiry, keySecondsRemaining}
}