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JDG on OpenShift

Prepare OpenShift Environment

TODO: List all the ways OpenShift can be started locally

  1. Start the OpenShift Cluster: The the following command to start the OpenShift Container Platform locally

    oc cluster up --image registry.access.redhat.com/openshift3/ose  --version v3.7.23-3

  2. Re-login as the system admin

    oc login -u system:admin

  3. Run the following command to deploy the JBoss Middleware image streams

    oc create -f https://raw.githubusercontent.com/jboss-openshift/application-templates/master/jboss-image-streams.json -n openshift

  4. Run the following command to deploy the JBoss Data Grid application template

    oc create -f https://raw.githubusercontent.com/jboss-openshift/application-templates/master/datagrid/datagrid71-basic.json -n openshift

  5. Using the default service account in the myproject namespace

    oc policy add-role-to-user view system:serviceaccount:$(oc project -q):default -n $(oc project -q)

  6. Use the eap-service-account in the myproject namespace

    oc policy add-role-to-user view system:serviceaccount:$(oc project -q):eap-service-account -n $(oc project -q)

  7. Log back in as developer

    oc login -u developer

  8. Create a new JDG app in the myproject namespace

    oc new-app --template=datagrid71-basic

  9. Deploy the JDG client application which puts 100 entries into the default cache

    oc new-app vchintal/s2i-java~https://github.com/vchintal/openshift-hotrod-console-client.git

    NOTE: The last step runs a bit long as its doing Source-to-Image in OpenShift. Once built the image is pushed onto your local docker repository. So the next time you can use the command like oc new-app --docker-image=172.30.1.1:5000/myproject/openshift-hotrod-console-client:latest to deploy the image if for some reason you had to restart the Openshift server (locally)

    What would be ideal is that image be build locally and then pushed to OpenShift so that there is no need for a build in OpenShift. Hence this step will updated soon.

  10. Verify the cache statistcs by visting the JDG POD and looking at the Java Console in the Details tab. Navigate to jboss.datagrid-infinispan 🡒 Cache 🡒 default(dist_sync) 🡒 Clustered 🡒 Statistics and look at the Number of entries