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Merge pull request #366 from oracle/feature/helm_operator_1_1
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‎kubernetes/charts/weblogic-domain/Chart.yaml

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# Copyright 2018, Oracle Corporation and/or its affiliates. All rights reserved.
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# Licensed under the Universal Permissive License v 1.0 as shown at http://oss.oracle.com/licenses/upl.
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name: weblogic-domain
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version: 2.0
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description: Helm package for creation of WebLogic domain.

‎kubernetes/charts/weblogic-domain/README.md

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# Weblogic Domain Helm Chart
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This chart creates a single Weblogic domain on a [Kubernetes](https://kubernetes.io/) cluster using the
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[Helm](https://github.com/kubernetes/helm) package manager.
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## Prerequisites
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- [Requirements for the Oracle WebLogic Server Kubernetes Operator](https://github.com/oracle/weblogic-kubernetes-operator/blob/master/README.md)
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- Install [Helm](https://github.com/kubernetes/helm#install)
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- Initialize Helm by installing Tiller, the server portion of Helm, to your Kubernetes cluster
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```bash
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helm init
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```
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- Install of the weblogic-operator helm chart
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## Creating a Namespace
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We recommend that you create a namespace to run your WebLogic Domain(s) in.
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You may wish to maintain a one to one relationship between WebLogic Domains
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and Kubernetes namespaces, but this is not required. You may run more than
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one WebLogic Domain in a single namespace if you wish to.
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To create a namespace named `my-namespace`:
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```bash
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kubectl create namespace my-namespace
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```
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## Setting a Secret for the Admin Server
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You must setup the Admin Server `username` and `password` credentials as a Kubernetes secret.
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To create a secret named `my-secret` in the namespace `my-namespace`:
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```bash
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kubectl create secret generic my-secret --from-literal=username=ADMIN-USERNAME --from-literal=password=ADMIN-PASSWORD --namespace my-namespace
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```
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In this command, you must replace the uppercase items with your
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own values. The secret name will be needed when installing the helm chart.
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## Installing the Chart
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Change directory to the cloned git weblogic-kubernetes-operator repo:
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```bash
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cd kubernetes/charts
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```
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To install the chart with the release `my-release`, namespace `my-namespace` and secret `my-secret' without creating a weblogic domain (such as when a WebLogic domain already exists):
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```bash
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helm install weblogic-domain --name my-release --namespace my-namespace --set weblogicCredentialsSecretName=my-secret --set createWebLogicDomain=false
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```
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The command deploys weblogic-domain on the Kubernetes cluster in the default configuration. The [configuration](#configuration) section lists
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the parameters that can be configured during installation.
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> Note: if you do not pass the --name flag, a release name will be auto-generated. You can view releases by running helm list (or helm ls, for short).
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## Uninstalling the Chart
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To uninstall/delete the `my-release` deployment:
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```bash
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helm delete --purge my-release
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```
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The command removes all the Kubernetes components associated with the chart and deletes the release.
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## Configuration
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| Key | Description | Default |
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| -------------------------------|-----------------------------------|-----------------------|
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| createWebLogicDomain | Boolean indicating if a weblogic domain should be created | true |
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| adminPort | Port number for Admin Server | 7001 |
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| adminServerName | Name of the Admin Server | admin-server |
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| domainName | Name of the WebLogic domain to create | base_domain |
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| domainUID | Unique id identifying a domain. The id must be unique across all domains in a Kubernetes cluster | domain1 (needs to uncomment) |
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| clusterType | Type of WebLogic Cluster. Legal values are "CONFIGURED" or "DYNAMIC" | DYNAMIC |
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| startupControl | Determines which WebLogic Servers the Operator will start up. Legal values are "NONE", "ALL", "ADMIN", "SPECIFIED", or "AUTO" | "AUTO" |
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| clusterName | Cluster name | cluster-1 |
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| configuredManagedServerCount | Number of managed servers to generate for the domain | 2 |
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| initialManagedServerReplicas | Number of managed severs to initially start for a domain | 2 |
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| managedServerNameBase | Base string used to generate managed server names | managed-server |
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| managedServerPort | Port number for each managed server | 8001 |
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| weblogicImage | WebLogic Docker image | store/oracle/weblogic:12.2.1.3 |
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| weblogicDomainStorageType | Persistent volume type for the domain's storage. The value must be 'HOST_PATH' or 'NFS' | HOST_PAT |
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| weblogicDomainStorageNFSServer | The server name or ip address of the NFS server to use for the domain's storage | nfsServer (need to uncomment as necessary) |
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| weblogicDomainStoragePath | Physical path of the persistent volume storage | /scratch/k8s_dir/domain1 (need to uncomment) |
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| weblogicDomainStorageReclaimPolicy | Reclaim policy of the domain's persistent storage. The valid values are: 'Retain', 'Delete', and 'Recycle' | Retain |
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| weblogicDomainStorageSize | Total storage allocated to the domain's persistent volume | 10Gi |
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| productionModeEnabled | Boolean indicating if production mode is enabled for the domain | true |
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| weblogicCredentialsSecretName | Name of the Kubernetes secret for the Admin Server's username and password | domain1-weblogic-credentials |
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| weblogicImagePullSecretName | Name of the Kubernetes secret to access the Docker Store to pull the Weblogic Docker image | |
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| t3ChannelPort | Port for the T3Channel of the NetworkAccessPoint | 30012 |
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| t3PublicAddress | Public address for T3Channel of the NetworkAccessPoint. This value should be set to the Kubernetes server address, which you can get by running "kubectl cluster-info". If this value is not set to that address, WLST will not be able to connect from outside the Kubernetes cluster | kubernetes |
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| exposeAdminT3Channel | Boolean to indicate if the channel should be exposed as a service | false |
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| adminNodePort | NodePort to expose for the admin server | 30701 |
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| exposeAdminNodePort | Boolean to indicate if the adminNodePort will be exposed | false |
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| loadBalancer | Load balancer to deploy. Supported values are: APACHE, TRAEFIX, VOYAGER, NONE | TRAEFIK |
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| loadBalancerVolumePath | Docker volume path for APACHE. | |
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| loadBalancerExposeAdminPort| If the admin port is going to be exposed for APACHE | false |
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| loadBalancerWebPort| Load balancer web port | 30305 |
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| loadBalancerDashboardPort | Load balancer dashboard port | 30315 |
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| javaOptions | Java option for WebLogic Server | -Dweblogic.StdoutDebugEnabled=false |
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Specify parameters to override default values using the `--set key=value[,key=value]` argument to helm install. For example:
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```bash
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helm install weblogic-domain --name my-release --namespace my-namespace --set configuredManagedServerCount=3
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```
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Alternatively, a YAML file that specifies the values for the parameters can be provided while installing the chart. For example:
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```bash
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helm install weblogic-domain --name my-release --namespace my-namespace --values values.yaml
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```

‎kubernetes/charts/weblogic-domain/templates/_helpers.tpl

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# Copyright 2018, Oracle Corporation and/or its affiliates. All rights reserved.
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# Licensed under the Universal Permissive License v 1.0 as shown at http://oss.oracle.com/licenses/upl.
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{{/* vim: set filetype=mustache: */}}
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{{/*
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Expand the name of the chart.
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*/}}
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{{- define "weblogic-domain.name" -}}
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{{- default .Chart.Name .Values.nameOverride | trunc 63 | trimSuffix "-" -}}
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{{- end -}}
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{{/*
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Create a default fully qualified app name.
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We truncate at 63 chars because some Kubernetes name fields are limited to this (by the DNS naming spec).
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*/}}
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{{- define "weblogic-domain.fullname" -}}
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{{- $name := default .Chart.Name .Values.nameOverride -}}
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{{- printf "%s-%s" .Release.Name $name | trunc 63 | trimSuffix "-" -}}
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{{- end -}}

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