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metrics.go
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metrics.go
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// Copyright 2020 The jackal Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package c2s
import (
"time"
"github.com/ortuman/jackal/pkg/cluster/instance"
"github.com/prometheus/client_golang/prometheus"
)
const reportTotalConnectionsInterval = time.Second * 30
var (
c2sConnectionRegistered = prometheus.NewCounterVec(
prometheus.CounterOpts{
Namespace: "jackal",
Subsystem: "c2s",
Name: "connection_registered",
Help: "The total number of register operations.",
},
[]string{"instance"},
)
c2sConnectionUnregistered = prometheus.NewCounterVec(
prometheus.CounterOpts{
Namespace: "jackal",
Subsystem: "c2s",
Name: "connection_unregistered",
Help: "The total number of unregister operations.",
},
[]string{"instance"},
)
c2sOutgoingRequests = prometheus.NewCounterVec(
prometheus.CounterOpts{
Namespace: "jackal",
Subsystem: "c2s",
Name: "outgoing_requests_total",
Help: "The total number of outgoing stanza requests.",
},
[]string{"instance", "name", "type"},
)
c2sIncomingRequests = prometheus.NewCounterVec(
prometheus.CounterOpts{
Namespace: "jackal",
Subsystem: "c2s",
Name: "incoming_requests_total",
Help: "The total number of incoming stanza requests.",
},
[]string{"instance", "name", "type"},
)
c2sIncomingRequestDurationBucket = prometheus.NewHistogramVec(
prometheus.HistogramOpts{
Namespace: "jackal",
Subsystem: "c2s",
Name: "incoming_requests_duration_bucket",
Help: "Bucketed histogram of incoming stanza requests duration.",
Buckets: prometheus.ExponentialBuckets(0.01, 2, 24),
},
[]string{"instance", "name", "type"},
)
c2sIncomingTotalConnections = prometheus.NewGaugeVec(
prometheus.GaugeOpts{
Namespace: "jackal",
Subsystem: "c2s",
Name: "incoming_total_connections",
Help: "Total incoming C2S connections.",
},
[]string{"instance"},
)
)
func init() {
prometheus.MustRegister(c2sConnectionRegistered)
prometheus.MustRegister(c2sConnectionUnregistered)
prometheus.MustRegister(c2sOutgoingRequests)
prometheus.MustRegister(c2sIncomingRequests)
prometheus.MustRegister(c2sIncomingRequestDurationBucket)
prometheus.MustRegister(c2sIncomingTotalConnections)
}
func reportOutgoingRequest(name, typ string) {
metricLabel := prometheus.Labels{
"instance": instance.ID(),
"name": name,
"type": typ,
}
c2sOutgoingRequests.With(metricLabel).Inc()
}
func reportIncomingRequest(name, typ string, durationInSecs float64) {
metricLabel := prometheus.Labels{
"instance": instance.ID(),
"name": name,
"type": typ,
}
c2sIncomingRequests.With(metricLabel).Inc()
c2sIncomingRequestDurationBucket.With(metricLabel).Observe(durationInSecs)
}
func reportConnectionRegistered() {
metricLabel := prometheus.Labels{
"instance": instance.ID(),
}
c2sConnectionRegistered.With(metricLabel).Inc()
}
func reportConnectionUnregistered() {
metricLabel := prometheus.Labels{
"instance": instance.ID(),
}
c2sConnectionUnregistered.With(metricLabel).Inc()
}
func reportTotalIncomingConnections(totalConns int) {
metricLabel := prometheus.Labels{
"instance": instance.ID(),
}
c2sIncomingTotalConnections.With(metricLabel).Set(float64(totalConns))
}