Steps to implement ConfigOverride for JDBC DataSource in WebLogic via WebLogic Kubernetes Operator

Here are steps how we implement a config override JDBC DataSource in WebLogic via WebLogic Kubernetes Operator.

• More details , please refer  https://oracle.github.io/weblogic-kubernetes-operator/userguide/managing-domains/configoverrides/
• Create secret for db connections
  • kubectl -n test-poc-dev create secret generic dbsecret --from-literal=username=weblogic --from-literal=password=**** --from-literal=url=jdbc:oracle:thin:@(DESCRIPTION=(ENABLE=BROKEN)(ADDRESS_LIST=(ADDRESS=(PROTOCOL=TCP)(HOST=testdb.oraclevcn.com)(PORT=1521)))(CONNECT_DATA=(SERVICE_NAME=testdb)))
  • kubectl -n test-poc-dev label secret dbsecret weblogic.domainUID=test-poc-dev-domain1
• Create Datasource  jdbc-AppDatasource module when you build docker images
• Some good examples on github link
• Create configmap for jdbc-MODULENAME.xml , in this case it is jdbc-AppDatasource.xml
  • cd kubernetes/samples/scripts/create-weblogic-domain/domain-home-in-image/weblogic-domains/test-poc-dev-domain1/
  • 2 files jdbc-AppDatasource.xml  version.txt in configoverride directory 
  • kubectl -n test-poc-dev create cm test-poc-dev-domain1-override-cm --from-file ./configoverride
    kubectl -n test-poc-dev label cm test-poc-dev-domain1-override-cm weblogic.domainUID=test-poc-dev-domain1
    

  • Add below in the spec section of domain.yaml
    • spec:
          ....
          configOverrides: test-poc-dev-domain1-override-cm
          configOverrideSecrets: [dbsecret]
  • bouncing WebLogic servers to make it effective. 
  • Debugging please refer https://oracle.github.io/weblogic-kubernetes-operator/userguide/managing-domains/configoverrides/#debugging