131 lines
3.6 KiB
Go
131 lines
3.6 KiB
Go
// Copyright 2015 The etcd Authors
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package v2store
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import "github.com/prometheus/client_golang/prometheus"
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// Set of raw Prometheus metrics.
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// Labels
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// * action = declared in event.go
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// * outcome = Outcome
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// Do not increment directly, use Report* methods.
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var (
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readCounter = prometheus.NewCounterVec(
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prometheus.CounterOpts{
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Namespace: "etcd_debugging",
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Subsystem: "store",
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Name: "reads_total",
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Help: "Total number of reads action by (get/getRecursive), local to this member.",
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}, []string{"action"})
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writeCounter = prometheus.NewCounterVec(
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prometheus.CounterOpts{
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Namespace: "etcd_debugging",
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Subsystem: "store",
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Name: "writes_total",
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Help: "Total number of writes (e.g. set/compareAndDelete) seen by this member.",
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}, []string{"action"})
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readFailedCounter = prometheus.NewCounterVec(
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prometheus.CounterOpts{
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Namespace: "etcd_debugging",
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Subsystem: "store",
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Name: "reads_failed_total",
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Help: "Failed read actions by (get/getRecursive), local to this member.",
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}, []string{"action"})
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writeFailedCounter = prometheus.NewCounterVec(
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prometheus.CounterOpts{
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Namespace: "etcd_debugging",
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Subsystem: "store",
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Name: "writes_failed_total",
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Help: "Failed write actions (e.g. set/compareAndDelete), seen by this member.",
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}, []string{"action"})
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expireCounter = prometheus.NewCounter(
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prometheus.CounterOpts{
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Namespace: "etcd_debugging",
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Subsystem: "store",
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Name: "expires_total",
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Help: "Total number of expired keys.",
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})
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watchRequests = prometheus.NewCounter(
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prometheus.CounterOpts{
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Namespace: "etcd_debugging",
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Subsystem: "store",
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Name: "watch_requests_total",
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Help: "Total number of incoming watch requests (new or reestablished).",
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})
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watcherCount = prometheus.NewGauge(
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prometheus.GaugeOpts{
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Namespace: "etcd_debugging",
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Subsystem: "store",
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Name: "watchers",
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Help: "Count of currently active watchers.",
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})
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)
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const (
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GetRecursive = "getRecursive"
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)
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func init() {
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if prometheus.Register(readCounter) != nil {
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// Tests will try to double register since the tests use both
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// store and store_test packages; ignore second attempts.
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return
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}
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prometheus.MustRegister(writeCounter)
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prometheus.MustRegister(expireCounter)
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prometheus.MustRegister(watchRequests)
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prometheus.MustRegister(watcherCount)
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}
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func reportReadSuccess(readAction string) {
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readCounter.WithLabelValues(readAction).Inc()
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}
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func reportReadFailure(readAction string) {
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readCounter.WithLabelValues(readAction).Inc()
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readFailedCounter.WithLabelValues(readAction).Inc()
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}
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func reportWriteSuccess(writeAction string) {
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writeCounter.WithLabelValues(writeAction).Inc()
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}
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func reportWriteFailure(writeAction string) {
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writeCounter.WithLabelValues(writeAction).Inc()
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writeFailedCounter.WithLabelValues(writeAction).Inc()
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}
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func reportExpiredKey() {
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expireCounter.Inc()
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}
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func reportWatchRequest() {
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watchRequests.Inc()
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}
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func reportWatcherAdded() {
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watcherCount.Inc()
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}
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func reportWatcherRemoved() {
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watcherCount.Dec()
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}
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