headscale/hscontrol/metrics.go

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package hscontrol
import (
"github.com/prometheus/client_golang/prometheus"
"github.com/prometheus/client_golang/prometheus/promauto"
)
const prometheusNamespace = "headscale"
var (
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// This is a high cardinality metric (user x node), we might want to make this
// configurable/opt-in in the future.
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nodeRegistrations = promauto.NewCounterVec(prometheus.CounterOpts{
Namespace: prometheusNamespace,
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Name: "node_registrations_total",
Help: "The total amount of registered node attempts",
}, []string{"action", "auth", "status", "user"})
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updateRequestsSentToNode = promauto.NewCounterVec(prometheus.CounterOpts{
Namespace: prometheusNamespace,
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Name: "update_request_sent_to_node_total",
Help: "The number of calls/messages issued on a specific nodes update channel",
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}, []string{"user", "node", "status"})
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// TODO(kradalby): This is very debugging, we might want to remove it.
)