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a60f80b1b2
Signed-off-by: Patryk Strusiewicz-Surmacki <patryk-pawel.strusiewicz-surmacki@external.telekom.de>
97 lines
3.3 KiB
Go
97 lines
3.3 KiB
Go
package metrics
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import (
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"sync"
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"github.com/prometheus/client_golang/prometheus"
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)
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var (
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// Service / VIP Lifecycle
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ActiveServices = prometheus.NewGaugeVec(
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prometheus.GaugeOpts{Name: "kube_vip_active_services", Help: "How many LB services are currently managed"},
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[]string{"namespace"},
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)
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ServiceReconcileErrorsTotal = prometheus.NewCounterVec(
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prometheus.CounterOpts{Name: "kube_vip_service_reconcile_errors_total", Help: "Count reconcile failures"},
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[]string{"namespace", "name", "reason"},
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)
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ServiceReconcileDuration = prometheus.NewHistogramVec(
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prometheus.HistogramOpts{Name: "kube_vip_service_reconcile_duration_seconds", Help: "How long AddOrModify takes end-to-end"},
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[]string{"namespace"},
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)
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// This is a prometheus counter used to count the number of events received
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// from the service watcher
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CountServiceWatchEvent = prometheus.NewCounterVec(prometheus.CounterOpts{
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Namespace: "kube_vip",
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Subsystem: "manager",
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Name: "all_services_events",
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Help: "Count all events fired by the service watcher categorised by event type",
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}, []string{"type"})
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// Leader Election
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LeaderTransitionsTotal = prometheus.NewCounterVec(
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prometheus.CounterOpts{Name: "kube_vip_leader_election_transitions_total", Help: "Frequent transitions mean instability"},
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[]string{"lease_name"},
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)
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IsLeader = prometheus.NewGaugeVec(
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prometheus.GaugeOpts{Name: "kube_vip_is_leader", Help: "1 if this node currently holds the lease"},
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[]string{"node", "lease_name"},
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)
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ServiceElectionLoops = prometheus.NewGaugeVec(
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prometheus.GaugeOpts{Name: "kube_vip_service_election_loops",
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Help: "Live per-service leader election restart loops on this node; more than 1 per service means loops leaked"},
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[]string{"namespace", "name"},
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)
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ServiceElectionAttemptsTotal = prometheus.NewCounterVec(
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prometheus.CounterOpts{Name: "kube_vip_service_election_attempts_total",
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Help: "Election attempts made by the per-service leader election restart loop"},
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[]string{"namespace", "name"},
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)
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ServiceElectionErrorsTotal = prometheus.NewCounterVec(
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prometheus.CounterOpts{Name: "kube_vip_service_election_errors_total",
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Help: "Per-service leader election failures by reason"},
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[]string{"namespace", "name", "reason"},
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)
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// This is a prometheus gauge indicating the state of the sessions.
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// 1 means "ESTABLISHED", 0 means "NOT ESTABLISHED"
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BGPSessionInfoGauge = prometheus.NewGaugeVec(prometheus.GaugeOpts{
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Namespace: "kube_vip",
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Subsystem: "manager",
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Name: "bgp_session_info",
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Help: "Display state of session by setting metric for label value with current state to 1",
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}, []string{"state", "peer"},
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)
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// General Health
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BuildInfo = prometheus.NewGaugeVec(
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prometheus.GaugeOpts{Name: "kube_vip_build_info", Help: "Constant 1; track version skew across nodes"},
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[]string{"version", "build", "node"},
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)
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)
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var registerOnce sync.Once
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// RegisterPrometheusMetrics registers all kube-vip metrics with the default
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// Prometheus registry.
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func RegisterPrometheusMetrics() {
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registerOnce.Do(func() {
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// Register all metrics with Prometheus
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prometheus.MustRegister(
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ActiveServices,
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ServiceReconcileErrorsTotal,
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ServiceReconcileDuration,
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LeaderTransitionsTotal,
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IsLeader,
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ServiceElectionLoops,
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ServiceElectionAttemptsTotal,
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ServiceElectionErrorsTotal,
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BGPSessionInfoGauge,
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BuildInfo,
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CountServiceWatchEvent,
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)
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})
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}
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