Setup Weblogic Kubernetes ( k8s) Operator in GCP - create domain

 HOWTO

• https://oracle.github.io/weblogic-kubernetes-operator/quickstart/prepare/
  
• https://blogs.oracle.com/weblogicserver/post/running-weblogic-on-openshift
  

$ kubectl create namespace sample-domain1-ns
namespace/sample-domain1-ns created
dave@dave:~$ kubectl label ns sample-domain1-ns weblogic-operator=enabled
namespace/sample-domain1-ns labeled

 helm upgrade traefik-operator traefik/traefik \
    --namespace traefik \
    --reuse-values \
    --set "kubernetes.namespaces={traefik,sample-domain1-ns}"
W1214 11:03:23.618551   10551 warnings.go:70] autopilot-default-resources-mutator:Autopilot updated Deployment traefik/traefik-operator: defaulted unspecified resources for containers [traefik-operator] (see http://g.co/gke/autopilot-defaults)
Release "traefik-operator" has been upgraded. Happy Helming!
NAME: traefik-operator
LAST DEPLOYED: Thu Dec 14 11:03:20 2023
NAMESPACE: traefik
STATUS: deployed
REVISION: 2
TEST SUITE: None
NOTES:
Traefik Proxy v2.10.6 has been deployed successfully on traefik namespace !

$ kubectl create secret generic sample-domain1-weblogic-credentials \
  --from-literal=username=SOME_USER --from-literal=password=SOME_PASSWORD \
  -n sample-domain1-ns
secret/sample-domain1-weblogic-credentials created

$ kubectl -n sample-domain1-ns create secret generic \
  sample-domain1-runtime-encryption-secret \
   --from-literal=password=SOME_PASSWORD
secret/sample-domain1-runtime-encryption-secret created

# Copyright (c) 2022, Oracle and/or its affiliates.
# Licensed under the Universal Permissive License v 1.0 as shown at https://oss.oracle.com/licenses/upl.

apiVersion: "weblogic.oracle/v9"
kind: Domain
metadata:
  name: sample-domain1
  namespace: sample-domain1-ns
  labels:
    weblogic.domainUID: sample-domain1

spec:
  configuration:

    model:
      # Optional auxiliary image(s) containing WDT model, archives, and install.
      # Files are copied from `sourceModelHome` in the aux image to the `/aux/models` directory
      # in running WebLogic Server pods, and files are copied from `sourceWDTInstallHome`
      # to the `/aux/weblogic-deploy` directory. Set `sourceModelHome` and/or `sourceWDTInstallHome`
      # to "None" if you want skip such copies.
      #   `image`                - Image location
      #   `imagePullPolicy`      - Pull policy, default `IfNotPresent`
      #   `sourceModelHome`      - Model file directory in image, default `/auxiliary/models`.
      #   `sourceWDTInstallHome` - WDT install directory in image, default `/auxiliary/weblogic-deploy`.
      auxiliaryImages:
      - image: "phx.ocir.io/weblogick8s/quick-start-aux-image:v1"
        #imagePullPolicy: IfNotPresent
        #sourceWDTInstallHome: /auxiliary/weblogic-deploy
        #sourceModelHome: /auxiliary/models

      # Optional configmap for additional models and variable files
      #configMap: sample-domain1-wdt-config-map

      # All 'FromModel' domains require a runtimeEncryptionSecret with a 'password' field
      runtimeEncryptionSecret: sample-domain1-runtime-encryption-secret

  # Set to 'FromModel' to indicate 'Model in Image'.
  domainHomeSourceType: FromModel

  # The WebLogic Domain Home, this must be a location within
  # the image for 'Model in Image' domains.
  domainHome: /u01/domains/sample-domain1

  # The WebLogic Server image that the Operator uses to start the domain
  # **NOTE**:
  # This example uses General Availability (GA) images. GA images are suitable for demonstration and
  # development purposes only where the environments are not available from the public Internet;
  # they are not acceptable for production use. In production, you should always use CPU (patched)
  # images from OCR or create your images using the WebLogic Image Tool.
  # Please refer to the `OCR` and `WebLogic Images` pages in the WebLogic Kubernetes Operator
  # documentation for details.
  image: "container-registry.oracle.com/middleware/weblogic:12.2.1.4"

  # Defaults to "Always" if image tag (version) is ':latest'
  imagePullPolicy: "IfNotPresent"

  # Identify which Secret contains the credentials for pulling an image
  imagePullSecrets:
  - name: weblogic-repo-credentials

  # Identify which Secret contains the WebLogic Admin credentials,
  # the secret must contain 'username' and 'password' fields.
  webLogicCredentialsSecret:
    name: sample-domain1-weblogic-credentials

  # Whether to include the WebLogic Server stdout in the pod's stdout, default is true
  includeServerOutInPodLog: true

  # Whether to enable overriding your log file location, see also 'logHome'
  #logHomeEnabled: false

  # The location for domain log, server logs, server out, introspector out, and Node Manager log files
  # see also 'logHomeEnabled', 'volumes', and 'volumeMounts'.
  #logHome: /shared/logs/sample-domain1

  # Set which WebLogic Servers the Operator will start
  # - "Never" will not start any server in the domain
  # - "AdminOnly" will start up only the administration server (no managed servers will be started)
  # - "IfNeeded" will start all non-clustered servers, including the administration server, and clustered servers up to their replica count.
  serverStartPolicy: IfNeeded

  # Settings for all server pods in the domain including the introspector job pod
  serverPod:
    # Optional new or overridden environment variables for the domain's pods
    env:
    - name: JAVA_OPTIONS
      value: "-Dweblogic.StdoutDebugEnabled=false"
    - name: USER_MEM_ARGS
      value: "-Djava.security.egd=file:/dev/./urandom -Xms256m -Xmx512m "
    resources:
      requests:
        cpu: "250m"
        memory: "768Mi"

    # Optional volumes and mounts for the domain's pods. See also 'logHome'.
    #volumes:
    #- name: weblogic-domain-storage-volume
    #  persistentVolumeClaim:
    #    claimName: sample-domain1-weblogic-sample-pvc
    #volumeMounts:
    #- mountPath: /shared
    #  name: weblogic-domain-storage-volume

  # The desired behavior for starting the domain's administration server.
  # adminServer:
    # Set up a Kubernetes node port for the administration server default channel
    #adminService:
    #  channels:
    #  - channelName: default
    #    nodePort: 30701

  # The number of managed servers to start for unlisted clusters
  replicas: 1

  # The desired behavior for starting a specific cluster's member servers
  clusters:
  - name: sample-domain1-cluster-1

  # Change the restartVersion to force the introspector job to rerun
  # and apply any new model configuration, to also force a subsequent
  # roll of your domain's WebLogic Server pods.
  restartVersion: '1'

  # Changes to this field cause the operator to repeat its introspection of the
  #  WebLogic domain configuration.
  introspectVersion: '1'

    # Secrets that are referenced by model yaml macros
    # (the model yaml in the optional configMap or in the image)
    #secrets:
    #- sample-domain1-datasource-secret

---

apiVersion: "weblogic.oracle/v1"
kind: Cluster
metadata:
  name: sample-domain1-cluster-1
  # Update this with the namespace your domain will run in:
  namespace: sample-domain1-ns
  labels:
    # Update this with the `domainUID` of your domain:
    weblogic.domainUID: sample-domain1

spec:
  replicas: 2
  clusterName: cluster-1