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6.2. Camel Spring Boot アプリケーションのモニタリング

プロジェクトのモニタリングを有効にすると、Camel Spring Boot アプリケーションをデプロイして監視できるようになります。このセクションでは、Camel Spring Boot Examples にリスト表示されている monitoring-micrometrics-grafana-prometheus の例を使用します。

手順

  1. openshift-maven-plugin を、monitoring-micrometrics-grafana-prometheus サンプルの pom.xml ファイルに追加します。pom.xml に openshift プロファイルを追加して、openshift-maven-plugin を介して openshift にデプロイできるようにします。

  2. openshift-maven-plugin を、monitoring-micrometrics-grafana-prometheus サンプルの pom.xml ファイルに追加します。pom.xml で openshift プロファイルを追加して、openshift-maven-plugin を使用して openshift にデプロイできるようにします。 

        <profiles>
        <profile>
            <id>openshift</id>
            <build>
                <plugins>
                    <plugin>
                        <groupId>org.eclipse.jkube</groupId>
                        <artifactId>openshift-maven-plugin</artifactId>
                        <version>1.13.1</version>
                        <executions>
                            <execution>
                                <goals>
                                    <goal>resource</goal>
                                    <goal>build</goal>
                                </goals>
                            </execution>
                        </executions>
                    </plugin>
                </plugins>
            </build>
        </profile>
    </profiles>

  3. Prometheus サポートを追加します。Camel アプリケーションに Prometheus サポートを追加するには、アクチュエーターエンドポイントで Prometheus 統計情報を公開します。

    1. src/main/resources/application.properties ファイルを編集します。
    2. management.endpoints.web.exposure.include エントリーが存在しない場合は追加します。

    3. management.endpoints.web.exposure.include エントリーに prometheus、metrics、health を追加します。 

      # expose actuator endpoint via HTTP
management.endpoints.web.exposure.include=mappings,metrics,health,shutdown,jolokia,prometheus

  4. pom.xml の <dependencies/> セクションに以下を追加して、アプリケーションにスターターサポートを追加します。 

    <dependency>
  <groupId>org.springframework</groupId>
  <artifactId>spring-context</artifactId>
  <version>6.1.8</version>
</dependency>

<dependency>
    <groupId>io.micrometer</groupId>
    <artifactId>micrometer-registry-prometheus</artifactId>
    <version>1.13.6</version>
</dependency>

<dependency>
    <groupId>org.jolokia</groupId>
    <artifactId>jolokia-core</artifactId>
    <version>2.1.0</version>
</dependency>

<dependency>
    <groupId>io.prometheus.jmx</groupId>
    <artifactId>collector</artifactId>
    <version>1.0.1</version>
</dependency>

  5. ファイル config/prometheus_exporter_config.yml を作成します。 

    startDelaySecs: 5
ssl: false
blacklistObjectNames: ["java.lang:*"]
rules:
  # Context level
  - pattern: 'org.apache.camel<context=([^,]+), type=context, name=([^,]+)><>ExchangesCompleted'
    name: org.apache.camel.ExchangesCompleted
    help: Exchanges Completed
    type: COUNTER
    labels:
      context: $1
      type: context
  - pattern: 'org.apache.camel<context=([^,]+), type=context, name=([^,]+)><>ExchangesFailed'
    name: org.apache.camel.ExchangesFailed
    help: Exchanges Failed
    type: COUNTER
    labels:
      context: $1
      type: context
  - pattern: 'org.apache.camel<context=([^,]+), type=context, name=([^,]+)><>ExchangesInflight'
    name: org.apache.camel.ExchangesInflight
    help: Exchanges Inflight
    type: GAUGE
    labels:
      context: $1
      type: context
  - pattern: 'org.apache.camel<context=([^,]+), type=context, name=([^,]+)><>ExchangesTotal'
    name: org.apache.camel.ExchangesTotal
    help: Exchanges Total
    type: COUNTER
    labels:
      context: $1
      type: context
  - pattern: 'org.apache.camel<context=([^,]+), type=context, name=([^,]+)><>FailuresHandled'
    name: org.apache.camel.FailuresHandled
    help: Failures Handled
    labels:
      context: $1
      type: context
    type: COUNTER
  - pattern: 'org.apache.camel<context=([^,]+), type=context, name=([^,]+)><>ExternalRedeliveries'
    name: org.apache.camel.ExternalRedeliveries
    help: External Redeliveries
    labels:
      context: $1
      type: context
    type: COUNTER
  - pattern: 'org.apache.camel<context=([^,]+), type=context, name=([^,]+)><>MaxProcessingTime'
    name: org.apache.camel.MaxProcessingTime
    help: Maximum Processing Time
    labels:
      context: $1
      type: context
    type: GAUGE
  - pattern: 'org.apache.camel<context=([^,]+), type=context, name=([^,]+)><>MeanProcessingTime'
    name: org.apache.camel.MeanProcessingTime
    help: Mean Processing Time
    labels:
      context: $1
      type: context
    type: GAUGE
  - pattern: 'org.apache.camel<context=([^,]+), type=context, name=([^,]+)><>MinProcessingTime'
    name: org.apache.camel.MinProcessingTime
    help: Minimum Processing Time
    labels:
      context: $1
      type: context
    type: GAUGE
  - pattern: 'org.apache.camel<context=([^,]+), type=context, name=([^,]+)><>LastProcessingTime'
    name: org.apache.camel.LastProcessingTime
    help: Last Processing Time
    labels:
      context: $1
      type: context
    type: GAUGE
  - pattern: 'org.apache.camel<context=([^,]+), type=context, name=([^,]+)><>DeltaProcessingTime'
    name: org.apache.camel.DeltaProcessingTime
    help: Delta Processing Time
    labels:
      context: $1
      type: context
    type: GAUGE
  - pattern: 'org.apache.camel<context=([^,]+), type=context, name=([^,]+)><>Redeliveries'
    name: org.apache.camel.Redeliveries
    help: Redeliveries
    labels:
      context: $1
      type: context
    type: COUNTER
  - pattern: 'org.apache.camel<context=([^,]+), type=context, name=([^,]+)><>TotalProcessingTime'
    name: org.apache.camel.TotalProcessingTime
    help: Total Processing Time
    labels:
      context: $1
      type: context
    type: GAUGE
  - pattern: 'org.apache.camel<context=([^,]+), type=consumers, name=([^,]+)><>InflightExchanges'
    name: org.apache.camel.InflightExchanges
    help: Inflight Exchanges
    labels:
      context: $1
      type: context
    type: GAUGE

  # Route level
  - pattern: 'org.apache.camel<context=([^,]+), type=routes, name=([^,]+)><>ExchangesCompleted'
    name: org.apache.camel.ExchangesCompleted
    help: Exchanges Completed
    type: COUNTER
    labels:
      context: $1
      route: $2
      type: routes
  - pattern: 'org.apache.camel<context=([^,]+), type=routes, name=([^,]+)><>ExchangesFailed'
    name: org.apache.camel.ExchangesFailed
    help: Exchanges Failed
    type: COUNTER
    labels:
      context: $1
      route: $2
      type: routes
  - pattern: 'org.apache.camel<context=([^,]+), type=routes, name=([^,]+)><>ExchangesInflight'
    name: org.apache.camel.ExchangesInflight
    help: Exchanges Inflight
    type: GAUGE
    labels:
      context: $1
      route: $2
      type: routes
  - pattern: 'org.apache.camel<context=([^,]+), type=routes, name=([^,]+)><>ExchangesTotal'
    name: org.apache.camel.ExchangesTotal
    help: Exchanges Total
    type: COUNTER
    labels:
      context: $1
      route: $2
      type: routes
  - pattern: 'org.apache.camel<context=([^,]+), type=routes, name=([^,]+)><>FailuresHandled'
    name: org.apache.camel.FailuresHandled
    help: Failures Handled
    labels:
      context: $1
      route: $2
      type: routes
    type: COUNTER
  - pattern: 'org.apache.camel<context=([^,]+), type=routes, name=([^,]+)><>ExternalRedeliveries'
    name: org.apache.camel.ExternalRedeliveries
    help: External Redeliveries
    labels:
      context: $1
      route: $2
      type: routes
    type: COUNTER
  - pattern: 'org.apache.camel<context=([^,]+), type=routes, name=([^,]+)><>MaxProcessingTime'
    name: org.apache.camel.MaxProcessingTime
    help: Maximum Processing Time
    labels:
      context: $1
      route: $2
      type: routes
    type: GAUGE
  - pattern: 'org.apache.camel<context=([^,]+), type=routes, name=([^,]+)><>MeanProcessingTime'
    name: org.apache.camel.MeanProcessingTime
    help: Mean Processing Time
    labels:
      context: $1
      route: $2
      type: routes
    type: GAUGE
  - pattern: 'org.apache.camel<context=([^,]+), type=routes, name=([^,]+)><>MinProcessingTime'
    name: org.apache.camel.MinProcessingTime
    help: Minimum Processing Time
    labels:
      context: $1
      route: $2
      type: routes
    type: GAUGE
  - pattern: 'org.apache.camel<context=([^,]+), type=routes, name=([^,]+)><>LastProcessingTime'
    name: org.apache.camel.LastProcessingTime
    help: Last Processing Time
    labels:
      context: $1
      route: $2
      type: routes
    type: GAUGE
  - pattern: 'org.apache.camel<context=([^,]+), type=routes, name=([^,]+)><>DeltaProcessingTime'
    name: org.apache.camel.DeltaProcessingTime
    help: Delta Processing Time
    labels:
      context: $1
      route: $2
      type: routes
    type: GAUGE
  - pattern: 'org.apache.camel<context=([^,]+), type=routes, name=([^,]+)><>Redeliveries'
    name: org.apache.camel.Redeliveries
    help: Redeliveries
    labels:
      context: $1
      route: $2
      type: routes
    type: COUNTER
  - pattern: 'org.apache.camel<context=([^,]+), type=routes, name=([^,]+)><>TotalProcessingTime'
    name: org.apache.camel.TotalProcessingTime
    help: Total Processing Time
    labels:
      context: $1
      route: $2
      type: routes
    type: GAUGE
  - pattern: 'org.apache.camel<context=([^,]+), type=routes, name=([^,]+)><>InflightExchanges'
    name: org.apache.camel.InflightExchanges
    help: Inflight Exchanges
    labels:
      context: $1
      route: $2
      type: routes
    type: GAUGE

  # Processor level
  - pattern: 'org.apache.camel<context=([^,]+), type=processors, name=([^,]+)><>ExchangesCompleted'
    name: org.apache.camel.ExchangesCompleted
    help: Exchanges Completed
    type: COUNTER
    labels:
      context: $1
      processor: $2
      type: processors
  - pattern: 'org.apache.camel<context=([^,]+), type=processors, name=([^,]+)><>ExchangesFailed'
    name: org.apache.camel.ExchangesFailed
    help: Exchanges Failed
    type: COUNTER
    labels:
      context: $1
      processor: $2
      type: processors
  - pattern: 'org.apache.camel<context=([^,]+), type=processors, name=([^,]+)><>ExchangesInflight'
    name: org.apache.camel.ExchangesInflight
    help: Exchanges Inflight
    type: GAUGE
    labels:
      context: $1
      processor: $2
      type: processors
  - pattern: 'org.apache.camel<context=([^,]+), type=processors, name=([^,]+)><>ExchangesTotal'
    name: org.apache.camel.ExchangesTotal
    help: Exchanges Total
    type: COUNTER
    labels:
      context: $1
      processor: $2
      type: processors
  - pattern: 'org.apache.camel<context=([^,]+), type=processors, name=([^,]+)><>FailuresHandled'
    name: org.apache.camel.FailuresHandled
    help: Failures Handled
    labels:
      context: $1
      processor: $2
      type: processors
    type: COUNTER
  - pattern: 'org.apache.camel<context=([^,]+), type=processors, name=([^,]+)><>ExternalRedeliveries'
    name: org.apache.camel.ExternalRedeliveries
    help: External Redeliveries
    labels:
      context: $1
      processor: $2
      type: processors
    type: COUNTER
  - pattern: 'org.apache.camel<context=([^,]+), type=processors, name=([^,]+)><>MaxProcessingTime'
    name: org.apache.camel.MaxProcessingTime
    help: Maximum Processing Time
    labels:
      context: $1
      processor: $2
      type: processors
    type: GAUGE
  - pattern: 'org.apache.camel<context=([^,]+), type=processors, name=([^,]+)><>MeanProcessingTime'
    name: org.apache.camel.MeanProcessingTime
    help: Mean Processing Time
    labels:
      context: $1
      processor: $2
      type: processors
    type: GAUGE
  - pattern: 'org.apache.camel<context=([^,]+), type=processors, name=([^,]+)><>MinProcessingTime'
    name: org.apache.camel.MinProcessingTime
    help: Minimum Processing Time
    labels:
      context: $1
      processor: $2
      type: processors
    type: GAUGE
  - pattern: 'org.apache.camel<context=([^,]+), type=processors, name=([^,]+)><>LastProcessingTime'
    name: org.apache.camel.LastProcessingTime
    help: Last Processing Time
    labels:
      context: $1
      processor: $2
      type: processors
    type: GAUGE
  - pattern: 'org.apache.camel<context=([^,]+), type=processors, name=([^,]+)><>DeltaProcessingTime'
    name: org.apache.camel.DeltaProcessingTime
    help: Delta Processing Time
    labels:
      context: $1
      processor: $2
      type: processors
    type: GAUGE
  - pattern: 'org.apache.camel<context=([^,]+), type=processors, name=([^,]+)><>Redeliveries'
    name: org.apache.camel.Redeliveries
    help: Redeliveries
    labels:
      context: $1
      processor: $2
      type: processors
    type: COUNTER
  - pattern: 'org.apache.camel<context=([^,]+), type=processors, name=([^,]+)><>TotalProcessingTime'
    name: org.apache.camel.TotalProcessingTime
    help: Total Processing Time
    labels:
      context: $1
      processor: $2
      type: processors
    type: GAUGE
  - pattern: 'org.apache.camel<context=([^,]+), type=processors, name=([^,]+)><>InflightExchanges'
    name: org.apache.camel.InflightExchanges
    help: Inflight Exchanges
    labels:
      context: $1
      processor: $2
      type: processors
    type: COUNTER

  # Consumers
  - pattern: 'org.apache.camel<context=([^,]+), type=consumers, name=([^,]+)><>InflightExchanges'
    name: org.apache.camel.InflightExchanges
    help: Inflight Exchanges
    labels:
      context: $1
      consumer: $2
      type: consumers
    type: GAUGE

  # Services
  - pattern: 'org.apache.camel<context=([^,]+), type=services, name=([^,]+)><>MaxDuration'
    name: org.apache.camel.MaxDuration
    help: Maximum Duration
    labels:
      context: $1
      service: $2
      type: services
    type: GAUGE
  - pattern: 'org.apache.camel<context=([^,]+), type=services, name=([^,]+)><>MeanDuration'
    name: org.apache.camel.MeanDuration
    help: Mean Duration
    labels:
      context: $1
      service: $2
      type: services
    type: GAUGE
  - pattern: 'org.apache.camel<context=([^,]+), type=services, name=([^,]+)><>MinDuration'
    name: org.apache.camel.MinDuration
    help: Minimum Duration
    labels:
      context: $1
      service: $2
      type: services
    type: GAUGE
  - pattern: 'org.apache.camel<context=([^,]+), type=services, name=([^,]+)><>TotalDuration'
    name: org.apache.camel.TotalDuration
    help: Total Duration
    labels:
      context: $1
      service: $2
      type: services
    type: GAUGE
  - pattern: 'org.apache.camel<context=([^,]+), type=services, name=([^,]+)><>ThreadsBlocked'
    name: org.apache.camel.ThreadsBlocked
    help: Threads Blocked
    labels:
      context: $1
      service: $2
      type: services
    type: GAUGE
  - pattern: 'org.apache.camel<context=([^,]+), type=services, name=([^,]+)><>ThreadsInterrupted'
    name: org.apache.camel.ThreadsInterrupted
    help: Threads Interrupted
    labels:
      context: $1
      service: $2
      type: services
    type: GAUGE
  - pattern: 'org.apache.cxf<bus.id=([^,]+), type=([^,]+), service=([^,]+), port=([^,]+), operation=([^,]+)><>NumLogicalRuntimeFaults'
    name: org.apache.cxf.NumLogicalRuntimeFaults
    help: Number of logical runtime faults
    type: GAUGE
    labels:
      bus.id: $1
      type: $2
      service: $3
      port: $4
      operation: $5
  - pattern: 'org.apache.cxf<bus.id=([^,]+), type=([^,]+), service=([^,]+), port=([^,]+)><>NumLogicalRuntimeFaults'
    name: org.apache.cxf.NumLogicalRuntimeFaults
    help: Number of logical runtime faults
    type: GAUGE
    labels:
      bus.id: $1
      type: $2
      service: $3
      port: $4
  - pattern: 'org.apache.cxf<bus.id=([^,]+), type=([^,]+), service=([^,]+), port=([^,]+), operation=([^,]+)><>AvgResponseTime'
    name: org.apache.cxf.AvgResponseTime
    help: Average Response Time
    type: GAUGE
    labels:
      bus.id: $1
      type: $2
      service: $3
      port: $4
      operation: $5
  - pattern: 'org.apache.cxf<bus.id=([^,]+), type=([^,]+), service=([^,]+), port=([^,]+)><>AvgResponseTime'
    name: org.apache.cxf.AvgResponseTime
    help: Average Response Time
    type: GAUGE
    labels:
      bus.id: $1
      type: $2
      service: $3
      port: $4
  - pattern: 'org.apache.cxf<bus.id=([^,]+), type=([^,]+), service=([^,]+), port=([^,]+), operation=([^,]+)><>NumInvocations'
    name: org.apache.cxf.NumInvocations
    help: Number of invocations
    type: GAUGE
    labels:
      bus.id: $1
      type: $2
      service: $3
      port: $4
      operation: $5
  - pattern: 'org.apache.cxf<bus.id=([^,]+), type=([^,]+), service=([^,]+), port=([^,]+)><>NumInvocations'
    name: org.apache.cxf.NumInvocations
    help: Number of invocations
    type: GAUGE
    labels:
      bus.id: $1
      type: $2
      service: $3
      port: $4
  - pattern: 'org.apache.cxf<bus.id=([^,]+), type=([^,]+), service=([^,]+), port=([^,]+), operation=([^,]+)><>MaxResponseTime'
    name: org.apache.cxf.MaxResponseTime
    help: Maximum Response Time
    type: GAUGE
    labels:
      bus.id: $1
      type: $2
      service: $3
      port: $4
      operation: $5
  - pattern: 'org.apache.cxf<bus.id=([^,]+), type=([^,]+), service=([^,]+), port=([^,]+)><>MaxResponseTime'
    name: org.apache.cxf.MaxResponseTime
    help: Maximum Response Time
    type: GAUGE
    labels:
      bus.id: $1
      type: $2
      service: $3
      port: $4
  - pattern: 'org.apache.cxf<bus.id=([^,]+), type=([^,]+), service=([^,]+), port=([^,]+), operation=([^,]+)><>MinResponseTime'
    name: org.apache.cxf.MinResponseTime
    help: Minimum Response Time
    type: GAUGE
    labels:
      bus.id: $1
      type: $2
      service: $3
      port: $4
      operation: $5
  - pattern: 'org.apache.cxf<bus.id=([^,]+), type=([^,]+), service=([^,]+), port=([^,]+), operation=([^,]+)><>MinResponseTime'
    name: org.apache.cxf.MinResponseTime
    help: Minimum Response Time
    type: GAUGE
    labels:
      bus.id: $1
      type: $2
      service: $3
      port: $4
  - pattern: 'org.apache.cxf<bus.id=([^,]+), type=([^,]+), service=([^,]+), port=([^,]+), operation=([^,]+)><>TotalHandlingTime'
    name: org.apache.cxf.TotalHandlingTime
    help: Total Handling Time
    type: GAUGE
    labels:
      bus.id: $1
      type: $2
      service: $3
      port: $4
      operation: $5
  - pattern: 'org.apache.cxf<bus.id=([^,]+), type=([^,]+), service=([^,]+), port=([^,]+)><>TotalHandlingTime'
    name: org.apache.cxf.TotalHandlingTime
    help: Total Handling Time
    type: GAUGE
    labels:
      bus.id: $1
      type: $2
      service: $3
      port: $4
  - pattern: 'org.apache.cxf<bus.id=([^,]+), type=([^,]+), service=([^,]+), port=([^,]+), operation=([^,]+)><>NumRuntimeFaults'
    name: org.apache.cxf.NumRuntimeFaults
    help: Number of runtime faults
    type: GAUGE
    labels:
      bus.id: $1
      type: $2
      service: $3
      port: $4
      operation: $5
  - pattern: 'org.apache.cxf<bus.id=([^,]+), type=([^,]+), service=([^,]+), port=([^,]+)><>NumRuntimeFaults'
    name: org.apache.cxf.NumRuntimeFaults
    help: Number of runtime faults
    type: GAUGE
    labels:
      bus.id: $1
      type: $2
      service: $3
      port: $4
  - pattern: 'org.apache.cxf<bus.id=([^,]+), type=([^,]+), service=([^,]+), port=([^,]+), operation=([^,]+)><>NumUnCheckedApplicationFaults'
    name: org.apache.cxf.NumUnCheckedApplicationFaults
    help: Number of unchecked application faults
    type: GAUGE
    labels:
      bus.id: $1
      type: $2
      service: $3
      port: $4
      operation: $5
  - pattern: 'org.apache.cxf<bus.id=([^,]+), type=([^,]+), service=([^,]+), port=([^,]+)><>NumUnCheckedApplicationFaults'
    name: org.apache.cxf.NumUnCheckedApplicationFaults
    help: Number of unchecked application faults
    type: GAUGE
    labels:
      bus.id: $1
      type: $2
      service: $3
      port: $4
  - pattern: 'org.apache.cxf<bus.id=([^,]+), type=([^,]+), service=([^,]+), port=([^,]+), operation=([^,]+)><>NumCheckedApplicationFaults'
    name: org.apache.cxf.NumCheckedApplicationFaults
    help: Number of checked application faults
    type: GAUGE
    labels:
      bus.id: $1
      type: $2
      service: $3
      port: $4
      operation: $5
  - pattern: 'org.apache.cxf<bus.id=([^,]+), type=([^,]+), service=([^,]+), port=([^,]+)><>NumCheckedApplicationFaults'
    name: org.apache.cxf.NumCheckedApplicationFaults
    help: Number of checked application faults
    type: GAUGE
    labels:
      bus.id: $1
      type: $2
      service: $3
      port: $4

  6. Camel アプリケーションの Application.java に以下を追加します。 

    import java.io.InputStream;
import io.micrometer.core.instrument.Clock;
import org.apache.camel.CamelContext;
import org.apache.camel.spring.boot.CamelContextConfiguration;

import org.springframework.context.annotation.Bean;
import org.apache.camel.component.micrometer.MicrometerConstants;
import org.apache.camel.component.micrometer.eventnotifier.MicrometerExchangeEventNotifier;
import org.apache.camel.component.micrometer.eventnotifier.MicrometerRouteEventNotifier;
import org.apache.camel.component.micrometer.messagehistory.MicrometerMessageHistoryFactory;
import org.apache.camel.component.micrometer.routepolicy.MicrometerRoutePolicyFactory;

  7. 更新された Application.java を以下に示します。 

    @SpringBootApplication
public class SampleCamelApplication {

@Bean(name = {MicrometerConstants.METRICS_REGISTRY_NAME, "prometheusMeterRegistry"})
public PrometheusMeterRegistry prometheusMeterRegistry(
        PrometheusConfig prometheusConfig, CollectorRegistry collectorRegistry, Clock clock) throws MalformedObjectNameException, IOException {

    InputStream resource = new ClassPathResource("config/prometheus_exporter_config.yml").getInputStream();

    new JmxCollector(resource).register(collectorRegistry);
    new BuildInfoCollector().register(collectorRegistry);
    return new PrometheusMeterRegistry(prometheusConfig, collectorRegistry, clock);
}

@Bean
public CamelContextConfiguration camelContextConfiguration(@Autowired PrometheusMeterRegistry registry) {

    return new CamelContextConfiguration() {
        @Override
        public void beforeApplicationStart(CamelContext camelContext) {
            MicrometerRoutePolicyFactory micrometerRoutePolicyFactory = new MicrometerRoutePolicyFactory();
            micrometerRoutePolicyFactory.setMeterRegistry(registry);
            camelContext.addRoutePolicyFactory(micrometerRoutePolicyFactory);

            MicrometerMessageHistoryFactory micrometerMessageHistoryFactory = new MicrometerMessageHistoryFactory();
            micrometerMessageHistoryFactory.setMeterRegistry(registry);
            camelContext.setMessageHistoryFactory(micrometerMessageHistoryFactory);

            MicrometerExchangeEventNotifier micrometerExchangeEventNotifier =  new MicrometerExchangeEventNotifier();
            micrometerExchangeEventNotifier.setMeterRegistry(registry);
            camelContext.getManagementStrategy().addEventNotifier(micrometerExchangeEventNotifier);

            MicrometerRouteEventNotifier micrometerRouteEventNotifier = new MicrometerRouteEventNotifier();
            micrometerRouteEventNotifier.setMeterRegistry(registry);
            camelContext.getManagementStrategy().addEventNotifier(micrometerRouteEventNotifier);

        }

        @Override
        public void afterApplicationStart(CamelContext camelContext) {
        }
    };
}

  8. アプリケーションを OpenShift にデプロイします。 

    mvn -Popenshift oc:deploy

  9. アプリケーションがデプロイされているかを確認します。 

    oc get pods -n myapp

NAME                                        READY   STATUS      RESTARTS   AGE
camel-example-spring-boot-xml-2-deploy      0/1     Completed   0          13m
camel-example-spring-boot-xml-2-x78rk       1/1     Running     0          13m
camel-example-spring-boot-xml-s2i-2-build   0/1     Completed   0          14m

  10. このアプリケーションのサービスモニターを追加して、Openshift の Prometheus インスタンスが / actuator/prometheus エンドポイントからスクレイピングを開始できるようにします。

    1. サービスモニター用に次の YAML マニフェストを作成します。この例では、ファイルの名前は servicemonitor.yaml です。 

      apiVersion: monitoring.coreos.com/v1
kind: ServiceMonitor
metadata:
  labels:
    k8s-app: csb-demo-monitor
  name: csb-demo-monitor
spec:
  endpoints:
  - interval: 30s
    port: http
    scheme: http
    path: /actuator/prometheus
  selector:
    matchLabels:
      app: camel-example-spring-boot-xml

    2. このアプリケーションのサービスモニターを追加します。 

      oc apply -f servicemonitor.yml
servicemonitor.monitoring.coreos.com/csb-demo-monitor "myapp" created

  11. サービスモニターが正常にデプロイされたことを確認します。 

    oc get servicemonitor

NAME                   AGE
csb-demo-monitor       9m17s
  12. スクレイプターゲットのリストにサービスモニターが表示されていることを確認します。Administrator ビューで、Observe Targets に移動します。csb-demo-monitor は、スクレイプターゲットのリスト内にあります。
  13. servicemonitor をデプロイした後、約 10 分間待ちます。次に、Developer ビューで Observe Metrics に移動します。ドロップダウンメニューで Custom query を選択し、camel と入力して、/actuator/prometheus エンドポイントを介して公開される Camel メトリクスを表示します。
注記

Red Hat は、OCP 以外の環境での Prometheus と Grafana のインストールおよび設定はサポートしません。

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