How to deploy a Camel Spring Boot application to OpenShift?

Solution Verified - Updated

Environment

Camel Spring Boot (CSB)
- 3.14
- 3.18
- 3.20
OpenShift
- 4.10

Issue

How to deploy a Camel Spring Boot application to OpenShift?

Resolution

The certified OpenShift is listed on this article.
https://access.redhat.com/articles/6970899

As noted on the article, Red Hat OpenJDK 11 (ubi8/openjdk-11) container image will be used for CSB.

Step 1: install IS
Please check this page and follow the instruction.
This content is not included.This content is not included.https://catalog.redhat.com/software/containers/ubi8/openjdk-11/5dd6a4b45a13461646f677f4?container-tabs=gti

oc import-image ubi8/openjdk-11:1.14-5 --from=registry.access.redhat.com/ubi8/openjdk-11:1.14-5 --confirm

The version might not be the same. For this article, 1.14-5 will be used.

From CSB 3.18, OpenJDK 17 is also certified. If you want to use OpenJDK17, please use this ImageStream.
This content is not included.This content is not included.https://catalog.redhat.com/software/containers/ubi8/openjdk-17/618bdbf34ae3739687568813?container-tabs=gti

Step 2: generate a sample maven program
Please follow the instruction on the official document.
2022 Q3 Release
https://access.redhat.com/documentation/en-us/red_hat_integration/2022.q3/html/getting_started_with_camel_spring_boot/getting-started-with-camel-spring-boot_csb#generting-a-csb-application-using-maven
2022 Q4 Release
https://access.redhat.com/documentation/en-us/red_hat_integration/2022.q4/html/getting_started_with_camel_spring_boot/getting-started-with-camel-spring-boot_csb#generting-a-csb-application-using-maven

Step 3: modify pom.xml
Add property, <jkube.generator.from>, and specify the IS name at Step 1.

  <properties>
    <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
    <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
    <spring.boot-version>2.7.1</spring.boot-version>  // This version might be changed in the future release.
    <surefire.plugin.version>3.0.0-M4</surefire.plugin.version>
    <jkube.generator.from>registry.access.redhat.com/ubi8/openjdk-11:1.14-5</jkube.generator.from>
  </properties>

Add openshift-maven-plugin.
Because of This content is not included.CSB-646, The version for Fuse 7.11 is used for now.
Once CSB 3.14.5.redhat-00012 released, please use "org.eclipse.jkube:openshift-maven-plugin:1.9.1.redhat-00004".

          <plugin>
            <groupId>org.jboss.redhat-fuse</groupId>
            <artifactId>openshift-maven-plugin</artifactId>
            <version>7.11.0.fuse-sb2-7_11_0-00028-redhat-00001</version>
            <executions>
              <execution>
                <goals>
                  <goal>resource</goal>
                  <goal>build</goal>
                  <goal>apply</goal>
                </goals>
              </execution>
            </executions>
          </plugin>

Step 4: build and deploy
Under the directory which the modified pom.xml exists, execute the following command.

mvn clean -DskipTests oc:deploy

Step 5: confirm
You could observe that the CSB is running on the pod.

Root Cause

This content is not included.CSB-568
This content is not included.CSB-646

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