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Chapter 5. Managing Camel K integrations


You can manage Red Hat Integration - Camel K integrations using the Camel K command line or using development tools. This chapter explains how to manage Camel K integrations on the command line and provides links to additional resources that explain how to use the VS Code development tools.

5.1. Managing Camel K integrations

Camel K provides different options for managing Camel K integrations on your OpenShift cluster on the command line. This section shows simple examples of using the following commands:

  • kamel get
  • kamel describe
  • kamel log
  • kamel delete

Prerequisites

Procedure

  1. Ensure that the Camel K Operator is running on your OpenShift cluster, for example:

    $ oc get pod
    NAME                               READY   STATUS    RESTARTS   AGE
    camel-k-operator-86b8d94b4-pk7d6   1/1     Running   0          6m28s
  2. Enter the kamel run command to run your integration in the cloud on OpenShift. For example:

    $ kamel run hello.camelk.yaml
    integration "hello" created
  3. Enter the kamel get command to check the status of the integration:

    $ kamel get
    NAME   PHASE        KIT
    hello  Building Kit kit-bqatqib5t4kse5vukt40
  4. Enter the kamel describe command print detailed information about the integration:

    $ kamel describe integration hello
    kamel describe integration hello
    Name:                hello
    Namespace:           camel-k-test
    Creation Timestamp:  Tue, 14 Apr 2020 16:57:04 +0100
    Phase:               Running
    Runtime Version:     1.1.0
    Kit:                 kit-bqatqib5t4kse5vukt40
    Image:               image-registry.openshift-image-registry.svc:5000/camel-k-test/camel-k-kit-bqatqib5t4kse5vukt40@sha256:3788d571e6534ab27620b6826e6a4f10c23fc871d2f8f60673b7c20e617d6463
    Version:             1.0.0-RC2
    Dependencies:
      camel:log
      camel:timer
      mvn:org.apache.camel.k/camel-k-loader-yaml
      mvn:org.apache.camel.k/camel-k-runtime-main
    Sources:
      Name               Language  Compression  Ref  Ref Key
      hello.camelk.yaml  yaml      false
    Conditions:
      Type                          Status  Reason                        Message
      IntegrationPlatformAvailable  True    IntegrationPlatformAvailable  camel-k
      IntegrationKitAvailable       True    IntegrationKitAvailable       kit-bqatqib5t4kse5vukt40
      CronJobAvailable              False   CronJobNotAvailableReason     different controller strategy used (deployment)
      DeploymentAvailable           True    DeploymentAvailable           deployment name is hello
      ServiceAvailable              False   ServiceNotAvailable           no http service required
      ExposureAvailable             False   RouteNotAvailable             no target service found
  5. Enter the kamel log command to print the log to stdout:

    $ kamel log hello
    ...
    1] 2020-04-14 16:03:41.205 INFO  [Camel (camel-k) thread #1 - timer://yaml] info - Exchange[ExchangePattern: InOnly, BodyType: String, Body: Hello Camel K from yaml]
    [1] 2020-04-14 16:03:42.205 INFO  [Camel (camel-k) thread #1 - timer://yaml] info - Exchange[ExchangePattern: InOnly, BodyType: String, Body: Hello Camel K from yaml]
    [1] 2020-04-14 16:03:43.204 INFO  [Camel (camel-k) thread #1 - timer://yaml] info - Exchange[ExchangePattern: InOnly, BodyType: String, Body: Hello Camel K from yaml]
    ...
  6. Press Ctrl-C to terminate logging in the terminal.
  7. Enter the kamel delete to delete the integration deployed on OpenShift:

    $ kamel delete hello
    Integration hello deleted

Additional resources

5.2. Managing Camel K integration logging levels

Camel K uses Apache Log4j 2 as the logging framework for integrations. You can configure the logging levels of various loggers on the command line at runtime by specifying the logging.level prefix as an integration property. For example:

--property logging.level.org.apache.camel=DEBUG

Procedure

  1. Enter the kamel run command and specify the logging level using the --property option. For example:

    $ kamel run --property logging.level.org.apache.camel=DEBUG HelloCamelK.java --dev
    ...
    [1] 2020-04-13 17:02:17.970 DEBUG [main] PropertiesComponentFactoryResolver - Detected and using PropertiesComponent: org.apache.camel.component.properties.PropertiesComponent@3e92efc3
    [1] 2020-04-13 17:02:17.974 INFO  [main] ApplicationRuntime - Listener org.apache.camel.k.listener.PropertiesFunctionsConfigurer@4b5a5ed1 executed in phase Starting
    [1] 2020-04-13 17:02:17.984 INFO  [main] RuntimeSupport - Looking up loader for language: java
    [1] 2020-04-13 17:02:17.987 INFO  [main] RuntimeSupport - Found loader org.apache.camel.k.loader.java.JavaSourceLoader@4facf68f for language java from service definition
    [1] 2020-04-13 17:02:18.553 INFO  [main] RoutesConfigurer - Loading routes from: file:/etc/camel/sources/i-source-000/HelloCamelK.java?language=java
    [1] 2020-04-13 17:02:18.553 INFO  [main] ApplicationRuntime - Listener org.apache.camel.k.listener.RoutesConfigurer@49c386c8 executed in phase ConfigureRoutes
    [1] 2020-04-13 17:02:18.555 DEBUG [main] PropertiesComponent - Parsed location: /etc/camel/conf/application.properties
    [1] 2020-04-13 17:02:18.557 INFO  [main] BaseMainSupport - Using properties from: file:/etc/camel/conf/application.properties
    [1] 2020-04-13 17:02:18.563 DEBUG [main] BaseMainSupport - Properties from Camel properties component:
    [1] 2020-04-13 17:02:18.598 DEBUG [main] RoutesConfigurer - RoutesCollectorEnabled: org.apache.camel.k.main.ApplicationRuntime$NoRoutesCollector@2f953efd
    [1] 2020-04-13 17:02:18.598 DEBUG [main] RoutesConfigurer - Adding routes into CamelContext from RoutesBuilder: Routes: []
    [1] 2020-04-13 17:02:18.598 DEBUG [main] DefaultCamelContext - Adding routes from builder: Routes: []
    ...
  2. Press Ctrl-C to terminate logging in the terminal.

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