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Merge pull request #1873 from edburns/edburns-msft-180-02-wls-aks (#1894)
Add sample running Oracle WLS Kubernetes Operator on Azure Kubernetes Service Co-authored-by: Monica Riccelli <[email protected]>
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‎docs-source/content/samples/simple/azure-kubernetes-service/_index.md

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‎docs-source/content/samples/simple/azure-kubernetes-service/screenshot-deploy-test-app.png

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‎docs-source/content/samples/simple/azure-kubernetes-service/screenshot-logs.png

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‎kubernetes/samples/README.md

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@@ -16,6 +16,7 @@ While these samples may be useful and usable as is, it is intended that you woul
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* [Sample for configuring the Elasticsearch and Kibana](scripts/elasticsearch-and-kibana/README.md) deployments and services for the operator's logs.
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* [Sample for generating a self-signed certificate and private key](scripts/rest/README.md) that can be used for the operator's external REST API.
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* [Sample for creating an OKE cluster using Terraform](scripts/terraform/README.md).
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* [Sample for running a WebLogic cluster on the Azure Kubernetes Service](scripts/create-weblogic-domain-on-azure-kubernetes-service/README.md), and the YAML file for deploying the Azure resources and generated WebLogic domain.
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## Sample Helm charts
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‎kubernetes/samples/scripts/create-kuberetes-secrets/create-azure-storage-credentials-secret.sh

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#!/usr/bin/env bash
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# Copyright (c) 2018, 2020, Oracle Corporation and/or its affiliates.
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# Licensed under the Universal Permissive License v 1.0 as shown at https://oss.oracle.com/licenses/upl.
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#
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# Description
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# This sample script creates a Kubernetes secret for Azure Storage to use Azure file share on AKS.
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#
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# The following pre-requisites must be handled prior to running this script:
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# * The kubernetes namespace must already be created
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#
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script="${BASH_SOURCE[0]}"
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#
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# Function to exit and print an error message
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# $1 - text of message
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function fail {
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echo [ERROR] $*
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exit 1
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}
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# Try to execute kubectl to see whether kubectl is available
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function validateKubectlAvailable {
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if ! [ -x "$(command -v kubectl)" ]; then
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fail "kubectl is not installed"
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fi
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}
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function usage {
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echo usage: ${script} -c storageAccountName -k storageAccountKey [-s secretName] [-n namespace] [-h]
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echo " -a storage account name, must be specified."
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echo " -k storage account key, must be specified."
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echo " -s secret name, optional. Use azure-secret if not specified."
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echo " -n namespace, optional. Use the default namespace if not specified."
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echo " -h Help"
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exit $1
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}
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#
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# Parse the command line options
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#
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secretName=azure-secret
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namespace=default
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while getopts "ha:k:s:n:" opt; do
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case $opt in
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a) storageAccountName="${OPTARG}"
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;;
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k) storageAccountKey="${OPTARG}"
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;;
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s) secretName="${OPTARG}"
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;;
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n) namespace="${OPTARG}"
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;;
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h) usage 0
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;;
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*) usage 1
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;;
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esac
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done
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if [ -z ${storageAccountName} ]; then
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echo "${script}: -e must be specified."
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missingRequiredOption="true"
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fi
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if [ -z ${storageAccountKey} ]; then
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echo "${script}: -p must be specified."
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missingRequiredOption="true"
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fi
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if [ "${missingRequiredOption}" == "true" ]; then
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usage 1
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fi
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# check and see if the secret already exists
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result=`kubectl get secret ${secretName} -n ${namespace} --ignore-not-found=true | grep ${secretName} | wc | awk ' { print $1; }'`
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if [ "${result:=Error}" != "0" ]; then
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fail "The secret ${secretName} already exists in namespace ${namespace}."
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fi
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# create the secret
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kubectl -n $namespace create secret generic $secretName \
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--from-literal=azurestorageaccountname=$storageAccountName \
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--from-literal=azurestorageaccountkey=$storageAccountKey
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# Verify the secret exists
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SECRET=`kubectl get secret ${secretName} -n ${namespace} | grep ${secretName} | wc | awk ' { print $1; }'`
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if [ "${SECRET}" != "1" ]; then
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fail "The secret ${secretName} was not found in namespace ${namespace}"
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fi
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echo "The secret ${secretName} has been successfully created in the ${namespace} namespace."

‎kubernetes/samples/scripts/create-kuberetes-secrets/create-docker-credentials-secret.sh

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#!/usr/bin/env bash
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# Copyright (c) 2018, 2020, Oracle Corporation and/or its affiliates.
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# Licensed under the Universal Permissive License v 1.0 as shown at https://oss.oracle.com/licenses/upl.
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#
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# Description
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# This sample script creates a Kubernetes secret for Docker credentials for use with the WLS Operator on AKS.
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#
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# The following pre-requisites must be handled prior to running this script:
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# * The kubernetes namespace must already be created
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#
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script="${BASH_SOURCE[0]}"
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#
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# Function to exit and print an error message
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# $1 - text of message
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function fail {
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echo [ERROR] $*
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exit 1
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}
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# Try to execute kubectl to see whether kubectl is available
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function validateKubectlAvailable {
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if ! [ -x "$(command -v kubectl)" ]; then
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fail "kubectl is not installed"
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fi
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}
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function usage {
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echo usage: ${script} -e email -p password -u username [-s secretName] [-d dockerServer] [-n namespace] [-h]
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echo " -e email, must be specified."
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echo " -p password, must be specified."
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echo " -u username, must be specified."
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echo " -s secret name, optional, Use regcred if not specified."
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echo " -d docker server, optional, Use docker.io if not specified."
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echo " -n namespace, optional. Use the default namespace if not specified"
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echo " -h Help"
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exit $1
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}
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#
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# Parse the command line options
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#
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secretName=regcred
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namespace=default
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dockerServer=container-registry.oracle.com
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while getopts "he:p:u:n:d:s:d:" opt; do
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case $opt in
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e) email="${OPTARG}"
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;;
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p) password="${OPTARG}"
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;;
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u) username="${OPTARG}"
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;;
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s) secretName="${OPTARG}"
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;;
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d) dockerServer="${OPTARG}"
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;;
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n) namespace="${OPTARG}"
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;;
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h) usage 0
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;;
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*) usage 1
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;;
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esac
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done
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if [ -z ${email} ]; then
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echo "${script}: -e must be specified."
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missingRequiredOption="true"
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fi
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if [ -z ${password} ]; then
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echo "${script}: -p must be specified."
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missingRequiredOption="true"
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fi
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if [ -z ${username} ]; then
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echo "${script}: -u must be specified."
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missingRequiredOption="true"
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fi
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if [ "${missingRequiredOption}" == "true" ]; then
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usage 1
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fi
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# check and see if the secret already exists
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result=`kubectl get secret ${secretName} -n ${namespace} --ignore-not-found=true | grep ${secretName} | wc | awk ' { print $1; }'`
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if [ "${result:=Error}" != "0" ]; then
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fail "The secret ${secretName} already exists in namespace ${namespace}."
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fi
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# create the secret
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kubectl -n $namespace create secret docker-registry $secretName \
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--docker-email=$email \
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--docker-password=$password \
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--docker-server=$dockerServer \
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--docker-username=$username
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# Verify the secret exists
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SECRET=`kubectl get secret ${secretName} -n ${namespace} | grep ${secretName} | wc | awk ' { print $1; }'`
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if [ "${SECRET}" != "1" ]; then
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fail "The secret ${secretName} was not found in namespace ${namespace}"
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fi
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echo "The secret ${secretName} has been successfully created in the ${namespace} namespace."

‎kubernetes/samples/scripts/create-weblogic-domain-on-azure-kubernetes-service/README.md

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Please see the documentation for this sample [in the documentation for the Operator](https://oracle.github.io/weblogic-kubernetes-operator/samples/simple/azure-kubernetes-service/).

‎kubernetes/samples/scripts/create-weblogic-domain-on-azure-kubernetes-service/azure-file-pv-template.yaml

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# Copyright (c) 2018, 2020, Oracle Corporation and/or its affiliates.
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# Licensed under the Universal Permissive License v 1.0 as shown at https://oss.oracle.com/licenses/upl.
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apiVersion: v1
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kind: PersistentVolume
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metadata:
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name: %PERSISTENT_VOLUME_NAME%
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labels:
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usage: %PERSISTENT_VOLUME_NAME%
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spec:
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capacity:
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storage: 10Gi
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accessModes:
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- ReadWriteMany
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storageClassName: %STORAGE_CLASS_NAME%
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persistentVolumeReclaimPolicy: Retain
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azureFile:
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secretName: %AZURE_FILE_SHARE_SECRET_NAME%
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shareName: %AZURE_FILE_SHARE_NAME%
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readOnly: false
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mountOptions:
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- dir_mode=0777
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- file_mode=0777
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- uid=1000
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- gid=1000
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- mfsymlinks

‎kubernetes/samples/scripts/create-weblogic-domain-on-azure-kubernetes-service/azure-file-pvc-template.yaml

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# Copyright (c) 2018, 2020, Oracle Corporation and/or its affiliates.
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# Licensed under the Universal Permissive License v 1.0 as shown at https://oss.oracle.com/licenses/upl.
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apiVersion: v1
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kind: PersistentVolumeClaim
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metadata:
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name: %PERSISTENT_VOLUME_CLAIM_NAME%
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spec:
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accessModes:
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- ReadWriteMany
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storageClassName: %STORAGE_CLASS_NAME%
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resources:
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requests:
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storage: 10Gi
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selector:
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matchLabels:
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usage: %PERSISTENT_VOLUME_CLAIM_NAME%

‎kubernetes/samples/scripts/create-weblogic-domain-on-azure-kubernetes-service/create-domain-on-aks-inputs.yaml

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# Copyright (c) 2018, 2020, Oracle Corporation and/or its affiliates.
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# Licensed under the Universal Permissive License v 1.0 as shown at https://oss.oracle.com/licenses/upl.
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# The version of this inputs file. Do not modify.
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version: create-domain-on-aks-inputs-v1
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#
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# Parameters that must be changed from these values!
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#
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# The service principal is used to login to azure and create an azure kubernetes cluster.
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# If you don't have a service principal, please follow README.md
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# Application id of the service principal.
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azureServicePrincipalAppId: azure-service-principal-app-id
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# A client secret of the service principal.
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azureServicePrincipalClientSecret: azure-service-principal-client-secret
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# Tenant (Directory) id of the service principal.
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azureServicePrincipalTenantId: azure-service-principal-tenant-id
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# Oracle Single Sign-On (SSO) account email, used to pull the WebLogic Server Docker image
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dockerEmail: docker-email
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# Password for Oracle SSO account password, used to pull the WebLogic Server Docker image
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dockerPassword: docker-password
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# The same value as dockerEmail
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dockerUserName: docker-user-name
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# Specify where to create azure resource.
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azureLocation: eastus
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# Specify a prefix to name resources, only allow lowercase letters and numbers, between 1 and 7 characters.
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# Resource group is named with ${namePrefix}resourcegroup<timestamp>, e.g. wlsresourcegroup1592469388
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# Kubernetes cluster is named with ${namePrefix}akscluster<timestamp>, e.g. wlsakscluster1592469388
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# Storage account is named with ${namePrefix}storage<timestamp>, e.g. wlsstorage1592469388
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namePrefix: wls
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#
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# Parameters that may optionally be changed.
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#
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# The suffix of file share secret name, the complete value is ${namePrefix}${azureFileShareSecretNameSuffix}.
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azureFileShareSecretNameSuffix: azure-secret
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# Number of azure kubernetes nodes, used to create azure kubernetes cluster.
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azureKubernetesNodeCount: 2
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# VM size of azure kubernetes node.
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azureKubernetesNodeVMSize: Standard_DS2_v2
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# The suffix of azure kubernetes node pool name, the azure kubernetes node pool name will be${azureKubernetesNodepoolNamePrefix} ${namePrefix}.
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azureKubernetesNodepoolNamePrefix: pool1
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# SKU of azure storage account, used to create storage account.
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azureStorageAccountSku: Standard_LRS
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# Name of Azure Storage Class. We will use initial StorageClasses azurefile.
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# If you want to create new class, follow the document: https://docs.microsoft.com/en-us/azure/aks/azure-files-dynamic-pv#create-a-storage-class.
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# Go to this page for more details: https://docs.microsoft.com/en-us/azure/aks/concepts-storage#storage-classes
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azureStorageClassName: azurefile
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# The suffix of azure storage file share name, the complete value is ${namePrefix}-${azureStorageShareNameSuffix}-<timestamp>, used to create file share, and mount file share.
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azureStorageShareNameSuffix: weblogic
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# The suffix of the Kubernetes secret name, the complete value is ${namePrefix}${imagePullSecretNameSuffix}. The secret name is used to access the Docker Store to pull the WebLogic Server Docker image
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# Used to create kubenetes secret for docker hub account.
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# Parameter "imagePullSecretName" will be overwritten with this field in kubernetes/samples/scripts/create-weblogic-domain/domain-home-on-pv/create-domain-inputs.yaml
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imagePullSecretNameSuffix: regcred
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# The suffix of the persistent volume claim name, the complete value is ${namePrefix}-${persistentVolumeClaimNameSuffix}-<timestamp>.
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# Parameter "persistentVolumeClaimName" will be overwritten with this field in kubernetes/samples/scripts/create-weblogic-domain/domain-home-on-pv/create-domain-inputs.yaml
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persistentVolumeClaimNameSuffix: azurefile
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# Password for weblogic account.
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weblogicAccountPassword: welcome1
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# WebLogic Server Docker image.
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# Parameter "image" will be overwritten with this field in kubernetes/samples/scripts/create-weblogic-domain/domain-home-on-pv/create-domain-inputs.yaml
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weblogicDockerImage: container-registry.oracle.com/middleware/weblogic:12.2.1.3
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# Name of weblogic user.
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weblogicUserName: weblogic
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