| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You 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 metrics |
| |
| import ( |
| "time" |
| |
| "github.com/apache/servicecomb-service-center/pkg/log" |
| metricsvc "github.com/apache/servicecomb-service-center/pkg/metrics" |
| promutil "github.com/apache/servicecomb-service-center/pkg/prometheus" |
| "github.com/go-chassis/go-chassis/v2/pkg/metrics" |
| "github.com/prometheus/client_golang/prometheus" |
| ) |
| |
| const ( |
| SubSystem = "db" |
| KeyServiceTotal = metricsvc.FamilyName + "_" + SubSystem + "_" + "service_total" |
| KeyInstanceTotal = metricsvc.FamilyName + "_" + SubSystem + "_" + "instance_total" |
| KeyServiceUsage = metricsvc.FamilyName + "_" + SubSystem + "_" + "service_usage" |
| KeyInstanceUsage = metricsvc.FamilyName + "_" + SubSystem + "_" + "instance_usage" |
| KeyDomainTotal = metricsvc.FamilyName + "_" + SubSystem + "_" + "domain_total" |
| KeySchemaTotal = metricsvc.FamilyName + "_" + SubSystem + "_" + "schema_total" |
| KeyFrameworkTotal = metricsvc.FamilyName + "_" + SubSystem + "_" + "framework_total" |
| KeyHeartbeatTotal = metricsvc.FamilyName + "_" + SubSystem + "_" + "heartbeat_total" |
| KeyHeartbeatDuration = metricsvc.FamilyName + "_" + SubSystem + "_" + "heartbeat_durations_microseconds" |
| KeySCTotal = metricsvc.FamilyName + "_" + SubSystem + "_" + "sc_total" |
| ) |
| |
| var metaEnabled = false |
| |
| func InitMetaMetrics() (err error) { |
| defer func() { |
| if err != nil { |
| log.Error("init metadata metrics failed", err) |
| } else { |
| metaEnabled = true |
| } |
| }() |
| if err = metrics.CreateGauge(metrics.GaugeOpts{ |
| Key: KeyDomainTotal, |
| Help: "Gauge of domain created in Service Center", |
| Labels: []string{"instance"}, |
| }); err != nil { |
| return |
| } |
| if err = metrics.CreateGauge(metrics.GaugeOpts{ |
| Key: KeyServiceTotal, |
| Help: "Gauge of microservice created in Service Center", |
| Labels: []string{"instance", "framework", "frameworkVersion", "domain", "project"}, |
| }); err != nil { |
| return |
| } |
| if err = metrics.CreateGauge(metrics.GaugeOpts{ |
| Key: KeyInstanceTotal, |
| Help: "Gauge of microservice instance created in Service Center", |
| Labels: []string{"instance", "framework", "frameworkVersion", "domain", "project"}, |
| }); err != nil { |
| return |
| } |
| if err = metrics.CreateGauge(metrics.GaugeOpts{ |
| Key: KeyServiceUsage, |
| Help: "Gauge of microservice usage in Service Center", |
| Labels: []string{"instance"}, |
| }); err != nil { |
| return |
| } |
| if err = metrics.CreateGauge(metrics.GaugeOpts{ |
| Key: KeyInstanceUsage, |
| Help: "Gauge of microservice instance usage in Service Center", |
| Labels: []string{"instance"}, |
| }); err != nil { |
| return |
| } |
| if err = metrics.CreateGauge(metrics.GaugeOpts{ |
| Key: KeySchemaTotal, |
| Help: "Counter of schema created in Service Center", |
| Labels: []string{"instance", "domain", "project"}, |
| }); err != nil { |
| return |
| } |
| if err = metrics.CreateGauge(metrics.GaugeOpts{ |
| Key: KeyFrameworkTotal, |
| Help: "Gauge of client framework info in Service Center", |
| Labels: []string{"instance", "framework", "frameworkVersion", "domain", "project"}, |
| }); err != nil { |
| return |
| } |
| if err = metrics.CreateGauge(metrics.GaugeOpts{ |
| Key: KeySCTotal, |
| Help: "Counter of the Service Center instance", |
| Labels: []string{"instance"}, |
| }); err != nil { |
| return |
| } |
| if err = metrics.CreateCounter(metrics.CounterOpts{ |
| Key: KeyHeartbeatTotal, |
| Help: "Counter of heartbeat renew", |
| Labels: []string{"instance", "status"}, |
| }); err != nil { |
| return |
| } |
| if err = metrics.CreateSummary(metrics.SummaryOpts{ |
| Key: KeyHeartbeatDuration, |
| Help: "Latency of heartbeat renew", |
| Labels: []string{"instance", "status"}, |
| Objectives: metricsvc.Pxx, |
| }); err != nil { |
| return |
| } |
| return |
| } |
| |
| func GetTotalService(domain, project string) int64 { |
| labels := prometheus.Labels{"domain": domain} |
| if len(project) > 0 { |
| labels["project"] = project |
| } |
| return int64(promutil.GaugeValue(KeyServiceTotal, labels)) |
| } |
| |
| func GetTotalInstance(domain, project string) int64 { |
| labels := prometheus.Labels{"domain": domain} |
| if len(project) > 0 { |
| labels["project"] = project |
| } |
| return int64(promutil.GaugeValue(KeyInstanceTotal, labels)) |
| } |
| |
| func ReportScInstance() { |
| instance := metricsvc.InstanceName() |
| labels := map[string]string{"instance": instance} |
| if err := metrics.GaugeSet(KeySCTotal, 1, labels); err != nil { |
| log.Error("gauge set failed", err) |
| } |
| } |
| |
| func ReportHeartbeatCompleted(err error, start time.Time) { |
| if !metaEnabled { |
| return |
| } |
| instance := metricsvc.InstanceName() |
| elapsed := float64(time.Since(start).Nanoseconds()) / float64(time.Microsecond) |
| status := success |
| if err != nil { |
| status = failure |
| } |
| labels := map[string]string{"instance": instance, "status": status} |
| if err := metrics.SummaryObserve(KeyHeartbeatDuration, elapsed, labels); err != nil { |
| log.Error("summary observe failed", err) |
| } |
| if err = metrics.CounterAdd(KeyHeartbeatTotal, 1, labels); err != nil { |
| log.Error("counter add failed", err) |
| } |
| } |