| // 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 store |
| |
| 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(read_action string) { |
| readCounter.WithLabelValues(read_action).Inc() |
| } |
| |
| func reportReadFailure(read_action string) { |
| readCounter.WithLabelValues(read_action).Inc() |
| readFailedCounter.WithLabelValues(read_action).Inc() |
| } |
| |
| func reportWriteSuccess(write_action string) { |
| writeCounter.WithLabelValues(write_action).Inc() |
| } |
| |
| func reportWriteFailure(write_action string) { |
| writeCounter.WithLabelValues(write_action).Inc() |
| writeFailedCounter.WithLabelValues(write_action).Inc() |
| } |
| |
| func reportExpiredKey() { |
| expireCounter.Inc() |
| } |
| |
| func reportWatchRequest() { |
| watchRequests.Inc() |
| } |
| |
| func reportWatcherAdded() { |
| watcherCount.Inc() |
| } |
| |
| func reportWatcherRemoved() { |
| watcherCount.Dec() |
| } |