Automate testing of offline installation flow

  SSO_IMAGE=registry.access.redhat.com/redhat-sso-7/sso72-openshift:1.2-8
  SSO_LOCAL_IMAGE=localhost:5000/sso-local
 
  POSTGRESQL_IMAGE=registry.access.redhat.com/rhscl/postgresql-96-rhel7:1-25
  POSTGRESQL_LOCAL_IMAGE=localhost:5000/postgresql-local
 
  PVC_JOBS_IMAGE=registry.access.redhat.com/rhel7-minimal:7.6-154
  PVC_JOBS_LOCAL_IMAGE=localhost:5000/pvc-jobs-local
 
  SERVER_IMAGE=quay.io/crw/server-container
  SERVER_TAG=1.1-52
  SERVER_LOCAL_IMAGE=localhost:5000/server-local
 
  OPERATOR_IMAGE=quay.io/crw/operator-container:1.1-20
  OPERATOR_LOCAL_IMAGE=localhost:5000/operator-local
 
  # download tar ball
  wget https://codeready-workspaces-jenkins.rhev-ci-vms.eng.rdu2.redhat.com/view/CRW_CI/view/Pipelines/job/crw-operator-installer-and-ls-deps_stable-branch/41/artifact/codeready-workspaces-deprecated/operator-installer/target/codeready-workspaces-operator-installer.tar.gz
  tar -xvf codeready-workspaces-operator-installer.tar.gz
 
  # Push required images to the local docker registry
  docker run -d -p 5000:5000 --name registry registry:2
  
  docker pull $SSO_IMAGE
  docker tag $SSO_IMAGE $SSO_LOCAL_IMAGE
  docker push $SSO_LOCAL_IMAGE
  sed -i "s@    auth:@    auth:\n      keycloakImage: $SSO_LOCAL_IMAGE@g" ${WORKSPACE}/codeready-workspaces-operator-installer/custom-resource.yaml
 
  docker pull $POSTGRESQL_IMAGE
  docker tag $POSTGRESQL_IMAGE $POSTGRESQL_LOCAL_IMAGE
  docker push $POSTGRESQL_LOCAL_IMAGE  
  sed -i "s@    database:@    database:\n      postgresImage: $POSTGRESQL_LOCAL_IMAGE@g" ${WORKSPACE}/codeready-workspaces-operator-installer/custom-resource.yaml
  
  docker pull $PVC_JOBS_IMAGE
  docker tag $PVC_JOBS_IMAGE $PVC_JOBS_LOCAL_IMAGE
  docker push $PVC_JOBS_LOCAL_IMAGE
  sed -i "s@    storage:@    storage:\n      pvcJobsImage: $PVC_JOBS_LOCAL_IMAGE@g" ${WORKSPACE}/codeready-workspaces-operator-installer/custom-resource.yaml  
  
  docker pull $SERVER_IMAGE:$SERVER_TAG
  docker tag $SERVER_IMAGE:$SERVER_TAG $SERVER_LOCAL_IMAGE:$SERVER_TAG
  docker push $SERVER_LOCAL_IMAGE:$SERVER_TAG
  
  docker pull $OPERATOR_IMAGE
  docker tag $OPERATOR_IMAGE $OPERATOR_LOCAL_IMAGE
  docker push $OPERATOR_LOCAL_IMAGE
 
  # install CRW
  ${WORKSPACE}/codeready-workspaces-operator-installer/deploy.sh -d \
  --server-image=$SERVER_LOCAL_IMAGE \
  --version=$SERVER_TAG \
  --operator-image=$OPERATOR_LOCAL_IMAGE

...
  spec:
  ...
    storage:
      pvcJobsImage: localhost:5000/pvc-jobs-local
      pvcStrategy: common
      pvcClaimSize: 1Gi
    database:
      postgresImage: localhost:5000/postgresql-local
      externalDb: false
      chePostgresHostName: ''
      chePostgresPort: ''
      chePostgresUser: ''
      chePostgresPassword: ''
      chePostgresDb: ''
    auth:
      keycloakImage: localhost:5000/sso-local
      openShiftoAuth: ${{ENABLE_OPENSHIFT_OAUTH}}
      externalKeycloak: false
      keycloakAdminUserName: 'admin'
      keycloakAdminPassword: 'admin'
      keycloakURL: ''
      keycloakRealm: ''
      keycloakClientId: ''
...