91 lines
2.2 KiB
Go
91 lines
2.2 KiB
Go
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package v3
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import (
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"github.com/prometheus/client_golang/prometheus"
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)
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const (
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namespace = "cloudflared"
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subsystem = "udp"
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)
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type Metrics interface {
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IncrementFlows()
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DecrementFlows()
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PayloadTooLarge()
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RetryFlowResponse()
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MigrateFlow()
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}
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type metrics struct {
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activeUDPFlows prometheus.Gauge
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totalUDPFlows prometheus.Counter
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payloadTooLarge prometheus.Counter
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retryFlowResponses prometheus.Counter
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migratedFlows prometheus.Counter
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}
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func (m *metrics) IncrementFlows() {
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m.totalUDPFlows.Inc()
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m.activeUDPFlows.Inc()
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}
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func (m *metrics) DecrementFlows() {
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m.activeUDPFlows.Dec()
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}
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func (m *metrics) PayloadTooLarge() {
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m.payloadTooLarge.Inc()
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}
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func (m *metrics) RetryFlowResponse() {
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m.retryFlowResponses.Inc()
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}
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func (m *metrics) MigrateFlow() {
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m.migratedFlows.Inc()
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}
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func NewMetrics(registerer prometheus.Registerer) Metrics {
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m := &metrics{
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activeUDPFlows: prometheus.NewGauge(prometheus.GaugeOpts{
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Namespace: namespace,
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Subsystem: subsystem,
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Name: "active_flows",
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Help: "Concurrent count of UDP flows that are being proxied to any origin",
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}),
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totalUDPFlows: prometheus.NewCounter(prometheus.CounterOpts{
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Namespace: namespace,
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Subsystem: subsystem,
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Name: "total_flows",
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Help: "Total count of UDP flows that have been proxied to any origin",
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}),
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payloadTooLarge: prometheus.NewCounter(prometheus.CounterOpts{
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Namespace: namespace,
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Subsystem: subsystem,
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Name: "payload_too_large",
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Help: "Total count of UDP flows that have had origin payloads that are too large to proxy",
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}),
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retryFlowResponses: prometheus.NewCounter(prometheus.CounterOpts{
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Namespace: namespace,
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Subsystem: subsystem,
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Name: "retry_flow_responses",
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Help: "Total count of UDP flows that have had to send their registration response more than once",
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}),
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migratedFlows: prometheus.NewCounter(prometheus.CounterOpts{
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Namespace: namespace,
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Subsystem: subsystem,
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Name: "migrated_flows",
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Help: "Total count of UDP flows have been migrated across local connections",
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}),
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}
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registerer.MustRegister(
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m.activeUDPFlows,
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m.totalUDPFlows,
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m.payloadTooLarge,
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m.retryFlowResponses,
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m.migratedFlows,
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)
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return m
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}
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