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// Copyright 2015 The etcd 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 v2store
import "github.com/prometheus/client_golang/prometheus"
// Set of raw Prometheus metrics.
// Labels
// * action = declared in event.go
// * outcome = Outcome
// Do not increment directly, use Report* methods.
var (
readCounter = prometheus.NewCounterVec(
prometheus.CounterOpts{
Namespace: "etcd_debugging",
Subsystem: "store",
Name: "reads_total",
Help: "Total number of reads action by (get/getRecursive), local to this member.",
}, []string{"action"})
writeCounter = prometheus.NewCounterVec(
prometheus.CounterOpts{
Namespace: "etcd_debugging",
Subsystem: "store",
Name: "writes_total",
Help: "Total number of writes (e.g. set/compareAndDelete) seen by this member.",
}, []string{"action"})
readFailedCounter = prometheus.NewCounterVec(
prometheus.CounterOpts{
Namespace: "etcd_debugging",
Subsystem: "store",
Name: "reads_failed_total",
Help: "Failed read actions by (get/getRecursive), local to this member.",
}, []string{"action"})
writeFailedCounter = prometheus.NewCounterVec(
prometheus.CounterOpts{
Namespace: "etcd_debugging",
Subsystem: "store",
Name: "writes_failed_total",
Help: "Failed write actions (e.g. set/compareAndDelete), seen by this member.",
}, []string{"action"})
expireCounter = prometheus.NewCounter(
prometheus.CounterOpts{
Namespace: "etcd_debugging",
Subsystem: "store",
Name: "expires_total",
Help: "Total number of expired keys.",
})
watchRequests = prometheus.NewCounter(
prometheus.CounterOpts{
Namespace: "etcd_debugging",
Subsystem: "store",
Name: "watch_requests_total",
Help: "Total number of incoming watch requests (new or reestablished).",
})
watcherCount = prometheus.NewGauge(
prometheus.GaugeOpts{
Namespace: "etcd_debugging",
Subsystem: "store",
Name: "watchers",
Help: "Count of currently active watchers.",
})
)
const (
GetRecursive = "getRecursive"
)
func init() {
if prometheus.Register(readCounter) != nil {
// Tests will try to double register since the tests use both
// store and store_test packages; ignore second attempts.
return
}
prometheus.MustRegister(writeCounter)
prometheus.MustRegister(expireCounter)
prometheus.MustRegister(watchRequests)
prometheus.MustRegister(watcherCount)
}
func reportReadSuccess(readAction string) {
readCounter.WithLabelValues(readAction).Inc()
}
func reportReadFailure(readAction string) {
readCounter.WithLabelValues(readAction).Inc()
readFailedCounter.WithLabelValues(readAction).Inc()
}
func reportWriteSuccess(writeAction string) {
writeCounter.WithLabelValues(writeAction).Inc()
}
func reportWriteFailure(writeAction string) {
writeCounter.WithLabelValues(writeAction).Inc()
writeFailedCounter.WithLabelValues(writeAction).Inc()
}
func reportExpiredKey() {
expireCounter.Inc()
}
func reportWatchRequest() {
watchRequests.Inc()
}
func reportWatcherAdded() {
watcherCount.Inc()
}
func reportWatcherRemoved() {
watcherCount.Dec()
}
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