Baseline for the new Keycloak operator (#9381)
* Baseline for the new Keycloak operator * v2alpha1 and better kustomization setup
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39
.github/workflows/operator-ci.yml
vendored
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39
.github/workflows/operator-ci.yml
vendored
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name: Keycloak Operator CI
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on: [push, pull_request]
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env:
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JDK_VERSION: 11
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concurrency:
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# Only run once for latest commit per ref and cancel other (previous) runs.
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group: ci-operator-keycloak-${{ github.ref }}
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cancel-in-progress: true
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jobs:
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build:
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name: Build
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runs-on: ubuntu-latest
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steps:
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- uses: actions/checkout@v2
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- name: Update maven settings
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run: mkdir -p ~/.m2 ; cp .github/settings.xml ~/.m2/
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- uses: actions/setup-java@v1
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with:
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java-version: ${{ env.JDK_VERSION }}
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- name: Cache Maven packages
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id: cache
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uses: actions/cache@v2
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with:
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path: |
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~/.m2/repository
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key: cache-1-${{ runner.os }}-m2-${{ hashFiles('**/pom.xml') }}
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restore-keys: cache-1-${{ runner.os }}-m2
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- name: Create the Keycloak distribution
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run: |
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mvn clean install -DskipTests -DskipExamples -DskipTestsuite
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- name: Build the Keycloak Operator
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run: |
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mvn clean package -nsu -B -e -pl operator -Doperator -Dquarkus.container-image.build=true -Dquarkus.kubernetes.deployment-target=minikube
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40
operator/README.md
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40
operator/README.md
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@ -0,0 +1,40 @@
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# Keycloak on Quarkus
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The module holds the codebase to build the Keycloak Operator on top of [Quarkus](https://quarkus.io/).
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Using the [Quarkus Operator SDK](https://github.com/quarkiverse/quarkus-operator-sdk).
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## Activating the Module
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When build from the project root directory, this module is only enabled if the installed JDK is 11 or newer.
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## Building
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Ensure you have JDK 11 (or newer) installed.
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Build the Docker image with:
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```bash
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mvn clean package -Doperator -Dquarkus.container-image.build=true
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```
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## Contributing
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### Quick start on Minikube
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Enable the Minikube Docker daemon:
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```bash
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eval $(minikube -p minikube docker-env)
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```
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Compile the project and generate the Docker image with JIB:
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```bash
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mvn clean package -Doperator -Dquarkus.container-image.build=true -Dquarkus.kubernetes.deployment-target=minikube
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```
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Install the CRD definition and the operator in the cluster:
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```bash
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kubectl apply -k .
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```
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31
operator/kubernetes/deployments-role.yaml
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31
operator/kubernetes/deployments-role.yaml
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apiVersion: rbac.authorization.k8s.io/v1
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kind: Role
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metadata:
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name: keycloak-operator-role
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rules:
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- apiGroups:
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- apps
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resources:
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- deployments
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verbs:
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- get
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- list
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- watch
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- create
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- delete
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- patch
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- update
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---
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apiVersion: rbac.authorization.k8s.io/v1
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kind: RoleBinding
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metadata:
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labels:
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app.kubernetes.io/name: keycloak-operator
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name: keycloak-operator-role-binding
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roleRef:
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kind: Role
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apiGroup: rbac.authorization.k8s.io
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name: keycloak-operator-role
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subjects:
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- kind: ServiceAccount
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name: keycloak-operator
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4
operator/kustomization.yaml
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4
operator/kustomization.yaml
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resources:
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- target/kubernetes/keycloaks.keycloak.org-v1.yml
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- target/kubernetes/minikube.yml
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- kubernetes/deployments-role.yaml
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149
operator/pom.xml
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149
operator/pom.xml
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<?xml version="1.0"?>
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<project xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd"
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xmlns="http://maven.apache.org/POM/4.0.0"
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xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
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<modelVersion>4.0.0</modelVersion>
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<parent>
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<artifactId>keycloak-parent</artifactId>
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<groupId>org.keycloak</groupId>
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<version>17.0.0-SNAPSHOT</version>
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</parent>
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<name>Keycloak Operator</name>
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<artifactId>keycloak-operator</artifactId>
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<properties>
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<!--
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Override versions based on Quarkus dependencies.
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Make sure to update these dependencies when Quarkus version changes.
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See https://github.com/quarkusio/quarkus/blob/<versionTag>/bom/application/pom.xml
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for reference
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-->
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<resteasy.version>4.7.4.Final</resteasy.version>
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<wildfly.common.version>1.5.4.Final-format-001</wildfly.common.version>
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<compiler-plugin.version>3.8.1</compiler-plugin.version>
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<maven.compiler.parameters>true</maven.compiler.parameters>
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<maven.compiler.release>11</maven.compiler.release>
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<maven.compiler.source>11</maven.compiler.source>
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<maven.compiler.target>11</maven.compiler.target>
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<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
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<project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
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<quarkus.operator.sdk.version>3.0.0-SNAPSHOT</quarkus.operator.sdk.version>
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<quarkus.version>2.6.1.Final</quarkus.version>
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<quarkus.container-image.group>keycloak</quarkus.container-image.group>
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<quarkus.jib.base-jvm-image>eclipse-temurin:11</quarkus.jib.base-jvm-image>
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<quarkus.kubernetes.image-pull-policy>Never</quarkus.kubernetes.image-pull-policy>
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</properties>
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<repositories>
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<repository>
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<id>s01.oss.sonatype</id>
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<url>https://s01.oss.sonatype.org/content/repositories/snapshots/</url>
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</repository>
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</repositories>
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<dependencyManagement>
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<dependencies>
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<dependency>
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<groupId>io.quarkiverse.operatorsdk</groupId>
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<artifactId>quarkus-operator-sdk-bom</artifactId>
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<version>${quarkus.operator.sdk.version}</version>
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<type>pom</type>
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<scope>import</scope>
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</dependency>
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</dependencies>
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</dependencyManagement>
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<dependencies>
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<!-- Quarkus -->
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<dependency>
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<groupId>io.quarkiverse.operatorsdk</groupId>
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<artifactId>quarkus-operator-sdk</artifactId>
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</dependency>
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<dependency>
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<groupId>io.quarkiverse.operatorsdk</groupId>
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<artifactId>quarkus-operator-sdk-csv-generator</artifactId>
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</dependency>
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<dependency>
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<groupId>io.quarkus</groupId>
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<artifactId>quarkus-resteasy-jackson</artifactId>
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</dependency>
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<dependency>
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<groupId>io.quarkus</groupId>
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<artifactId>quarkus-rest-client</artifactId>
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</dependency>
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<dependency>
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<groupId>io.quarkus</groupId>
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<artifactId>quarkus-rest-client-jackson</artifactId>
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</dependency>
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<dependency>
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<groupId>io.quarkus</groupId>
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<artifactId>quarkus-openshift</artifactId>
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</dependency>
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<dependency>
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<groupId>io.quarkus</groupId>
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<artifactId>quarkus-minikube</artifactId>
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</dependency>
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<dependency>
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<groupId>io.quarkus</groupId>
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<artifactId>quarkus-kubernetes-client</artifactId>
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</dependency>
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<!-- This dependency is needed only to ensure proper building order so that this module is build after the CSV extension -->
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<dependency>
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<groupId>io.quarkiverse.operatorsdk</groupId>
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<artifactId>quarkus-operator-sdk-csv-generator-deployment</artifactId>
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<scope>provided</scope>
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</dependency>
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<!-- Keycloak -->
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<dependency>
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<groupId>org.keycloak</groupId>
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<artifactId>keycloak-core</artifactId>
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</dependency>
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</dependencies>
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<build>
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<pluginManagement>
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<plugins>
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<plugin>
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<groupId>io.quarkus</groupId>
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<artifactId>quarkus-maven-plugin</artifactId>
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<version>${quarkus.version}</version>
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</plugin>
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<plugin>
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<artifactId>maven-compiler-plugin</artifactId>
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<version>${compiler-plugin.version}</version>
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</plugin>
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</plugins>
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</pluginManagement>
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<plugins>
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<plugin>
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<groupId>io.quarkus</groupId>
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<artifactId>quarkus-maven-plugin</artifactId>
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<version>${quarkus.version}</version>
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<executions>
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<execution>
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<goals>
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<goal>build</goal>
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</goals>
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</execution>
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</executions>
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</plugin>
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</plugins>
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</build>
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<profiles>
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<profile>
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<id>native</id>
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<properties>
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<quarkus.package.type>native</quarkus.package.type>
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</properties>
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</profile>
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</profiles>
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</project>
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36
operator/src/main/java/org/keycloak/operator/Constants.java
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36
operator/src/main/java/org/keycloak/operator/Constants.java
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/*
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* Copyright 2021 Red Hat, Inc. and/or its affiliates
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* and other contributors as indicated by the @author tags.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package org.keycloak.operator;
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import java.util.Map;
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public final class Constants {
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public static final String CRDS_GROUP = "keycloak.org";
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public static final String CRDS_VERSION = "v2alpha1";
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public static final String SHORT_NAME = "kc";
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public static final String NAME = "keycloak";
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public static final String PLURAL_NAME = "keycloaks";
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public static final String MANAGED_BY_LABEL = "app.kubernetes.io/managed-by";
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public static final String MANAGED_BY_VALUE = "keycloak-operator";
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public static final Map<String, String> DEFAULT_LABELS = Map.of(
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"app", NAME
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);
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public static final String DEFAULT_KEYCLOAK_IMAGE = "quay.io/keycloak/keycloak-x:latest";
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public static final String DEFAULT_KEYCLOAK_INIT_IMAGE = "quay.io/keycloak/keycloak-init-container:latest";
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}
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/*
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* Copyright 2021 Red Hat, Inc. and/or its affiliates
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* and other contributors as indicated by the @author tags.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
|
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package org.keycloak.operator.v2alpha1;
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import javax.inject.Inject;
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import io.fabric8.kubernetes.client.KubernetesClient;
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import io.javaoperatorsdk.operator.api.reconciler.*;
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import io.javaoperatorsdk.operator.api.reconciler.Constants;
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import org.jboss.logging.Logger;
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import org.keycloak.operator.v2alpha1.crds.Keycloak;
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import org.keycloak.operator.v2alpha1.crds.KeycloakStatus;
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@ControllerConfiguration(namespaces = Constants.WATCH_CURRENT_NAMESPACE, finalizerName = Constants.NO_FINALIZER)
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public class KeycloakController implements Reconciler<Keycloak> {
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@Inject
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Logger logger;
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@Inject
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KubernetesClient client;
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@Override
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public UpdateControl<Keycloak> reconcile(Keycloak kc, Context context) {
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logger.trace("Reconcile loop started");
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final var spec = kc.getSpec();
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logger.info("Reconciling Keycloak: " + kc.getMetadata().getName() + " in namespace: " + kc.getMetadata().getNamespace());
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KeycloakStatus status = kc.getStatus();
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var deployment = new KeycloakDeployment(client);
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try {
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var kcDeployment = deployment.getKeycloakDeployment(kc);
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if (kcDeployment == null) {
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// Need to create the deployment
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deployment.createKeycloakDeployment(kc);
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}
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var nextStatus = deployment.getNextStatus(spec, status, kcDeployment);
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if (!nextStatus.equals(status)) {
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logger.trace("Updating the status");
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kc.setStatus(nextStatus);
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return UpdateControl.updateStatus(kc);
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} else {
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logger.trace("Nothing to do");
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return UpdateControl.noUpdate();
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}
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} catch (Exception e) {
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logger.error("Error reconciling", e);
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status = new KeycloakStatus();
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status.setMessage("Error performing operations:\n" + e.getMessage());
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status.setState(KeycloakStatus.State.ERROR);
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status.setError(true);
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kc.setStatus(status);
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return UpdateControl.updateStatus(kc);
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}
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}
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}
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/*
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* Copyright 2021 Red Hat, Inc. and/or its affiliates
|
||||
* and other contributors as indicated by the @author tags.
|
||||
*
|
||||
* Licensed under the Apache License, Version 2.0 (the "License");
|
||||
* you may not use this file except in compliance with the License.
|
||||
* You may obtain a copy of the License at
|
||||
*
|
||||
* http://www.apache.org/licenses/LICENSE-2.0
|
||||
*
|
||||
* Unless required by applicable law or agreed to in writing, software
|
||||
* distributed under the License is distributed on an "AS IS" BASIS,
|
||||
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
* See the License for the specific language governing permissions and
|
||||
* limitations under the License.
|
||||
*/
|
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package org.keycloak.operator.v2alpha1;
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import io.fabric8.kubernetes.api.model.apps.Deployment;
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import io.fabric8.kubernetes.api.model.apps.DeploymentBuilder;
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import io.fabric8.kubernetes.client.KubernetesClient;
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import org.keycloak.operator.v2alpha1.crds.Keycloak;
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import org.keycloak.operator.v2alpha1.crds.KeycloakSpec;
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import org.keycloak.operator.v2alpha1.crds.KeycloakStatus;
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import java.net.URL;
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import static org.keycloak.operator.v2alpha1.crds.KeycloakStatus.State.*;
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public class KeycloakDeployment {
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KubernetesClient client = null;
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KeycloakDeployment(KubernetesClient client) {
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this.client = client;
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}
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private Deployment baseDeployment;
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public Deployment getKeycloakDeployment(Keycloak keycloak) {
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// TODO this should be done through an informer to leverage caches
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// WORKAROUND for: https://github.com/java-operator-sdk/java-operator-sdk/issues/781
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return client
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.apps()
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.deployments()
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.inNamespace(keycloak.getMetadata().getNamespace())
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.list()
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.getItems()
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.stream()
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.filter((d) -> d.getMetadata().getName().equals(org.keycloak.operator.Constants.NAME))
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.findFirst()
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.orElse(null);
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// .withName(Constants.NAME)
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// .get();
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}
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|
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public void createKeycloakDeployment(Keycloak keycloak) {
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client
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||||
.apps()
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||||
.deployments()
|
||||
.inNamespace(keycloak.getMetadata().getNamespace())
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||||
.create(newKeycloakDeployment(keycloak));
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||||
}
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||||
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||||
public Deployment newKeycloakDeployment(Keycloak keycloak) {
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||||
if (baseDeployment == null) {
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||||
URL url = this.getClass().getResource("/base-deployment.yaml");
|
||||
baseDeployment = client.apps().deployments().load(url).get();
|
||||
}
|
||||
|
||||
var deployment = baseDeployment;
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|
||||
deployment
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||||
.getSpec()
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.setReplicas(keycloak.getSpec().getInstances());
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||||
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||||
return new DeploymentBuilder(deployment).build();
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||||
}
|
||||
|
||||
public KeycloakStatus getNextStatus(KeycloakSpec desired, KeycloakStatus prev, Deployment current) {
|
||||
var isReady = (current != null &&
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||||
current.getStatus() != null &&
|
||||
current.getStatus().getReadyReplicas() != null &&
|
||||
current.getStatus().getReadyReplicas() == desired.getInstances());
|
||||
|
||||
var newStatus = new KeycloakStatus();
|
||||
if (isReady) {
|
||||
newStatus.setState(UNKNOWN);
|
||||
newStatus.setMessage("Keycloak status is unmanaged");
|
||||
} else {
|
||||
newStatus.setState(READY);
|
||||
newStatus.setMessage("Keycloak status is ready");
|
||||
}
|
||||
return newStatus;
|
||||
}
|
||||
|
||||
}
|
|
@ -0,0 +1,33 @@
|
|||
/*
|
||||
* Copyright 2021 Red Hat, Inc. and/or its affiliates
|
||||
* and other contributors as indicated by the @author tags.
|
||||
*
|
||||
* Licensed under the Apache License, Version 2.0 (the "License");
|
||||
* you may not use this file except in compliance with the License.
|
||||
* You may obtain a copy of the License at
|
||||
*
|
||||
* http://www.apache.org/licenses/LICENSE-2.0
|
||||
*
|
||||
* Unless required by applicable law or agreed to in writing, software
|
||||
* distributed under the License is distributed on an "AS IS" BASIS,
|
||||
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
* See the License for the specific language governing permissions and
|
||||
* limitations under the License.
|
||||
*/
|
||||
package org.keycloak.operator.v2alpha1.crds;
|
||||
|
||||
import io.fabric8.kubernetes.api.model.Namespaced;
|
||||
import io.fabric8.kubernetes.client.CustomResource;
|
||||
import io.fabric8.kubernetes.model.annotation.Group;
|
||||
import io.fabric8.kubernetes.model.annotation.Plural;
|
||||
import io.fabric8.kubernetes.model.annotation.ShortNames;
|
||||
import io.fabric8.kubernetes.model.annotation.Version;
|
||||
import org.keycloak.operator.Constants;
|
||||
|
||||
@Group(Constants.CRDS_GROUP)
|
||||
@Version(Constants.CRDS_VERSION)
|
||||
@ShortNames(Constants.SHORT_NAME)
|
||||
@Plural(Constants.PLURAL_NAME)
|
||||
public class Keycloak extends CustomResource<KeycloakSpec, KeycloakStatus> implements Namespaced {
|
||||
|
||||
}
|
|
@ -0,0 +1,30 @@
|
|||
/*
|
||||
* Copyright 2021 Red Hat, Inc. and/or its affiliates
|
||||
* and other contributors as indicated by the @author tags.
|
||||
*
|
||||
* Licensed under the Apache License, Version 2.0 (the "License");
|
||||
* you may not use this file except in compliance with the License.
|
||||
* You may obtain a copy of the License at
|
||||
*
|
||||
* http://www.apache.org/licenses/LICENSE-2.0
|
||||
*
|
||||
* Unless required by applicable law or agreed to in writing, software
|
||||
* distributed under the License is distributed on an "AS IS" BASIS,
|
||||
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
* See the License for the specific language governing permissions and
|
||||
* limitations under the License.
|
||||
*/
|
||||
package org.keycloak.operator.v2alpha1.crds;
|
||||
|
||||
public class KeycloakSpec {
|
||||
|
||||
private int instances = 1;
|
||||
|
||||
public int getInstances() {
|
||||
return instances;
|
||||
}
|
||||
|
||||
public void setInstances(int instances) {
|
||||
this.instances = instances;
|
||||
}
|
||||
}
|
|
@ -0,0 +1,61 @@
|
|||
/*
|
||||
* Copyright 2021 Red Hat, Inc. and/or its affiliates
|
||||
* and other contributors as indicated by the @author tags.
|
||||
*
|
||||
* Licensed under the Apache License, Version 2.0 (the "License");
|
||||
* you may not use this file except in compliance with the License.
|
||||
* You may obtain a copy of the License at
|
||||
*
|
||||
* http://www.apache.org/licenses/LICENSE-2.0
|
||||
*
|
||||
* Unless required by applicable law or agreed to in writing, software
|
||||
* distributed under the License is distributed on an "AS IS" BASIS,
|
||||
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
* See the License for the specific language governing permissions and
|
||||
* limitations under the License.
|
||||
*/
|
||||
package org.keycloak.operator.v2alpha1.crds;
|
||||
|
||||
public class KeycloakStatus {
|
||||
public enum State {
|
||||
READY,
|
||||
ERROR,
|
||||
UNKNOWN
|
||||
}
|
||||
|
||||
private State state = State.UNKNOWN;
|
||||
private boolean error;
|
||||
private String message;
|
||||
|
||||
public State getState() {
|
||||
return state;
|
||||
}
|
||||
|
||||
public void setState(State state) {
|
||||
this.state = state;
|
||||
}
|
||||
|
||||
public boolean isError() {
|
||||
return error;
|
||||
}
|
||||
|
||||
public void setError(boolean error) {
|
||||
this.error = error;
|
||||
}
|
||||
|
||||
public String getMessage() {
|
||||
return message;
|
||||
}
|
||||
|
||||
public void setMessage(String message) {
|
||||
this.message = message;
|
||||
}
|
||||
|
||||
public KeycloakStatus clone() {
|
||||
var status = new KeycloakStatus();
|
||||
status.setMessage(this.message);
|
||||
status.setState(this.state);
|
||||
status.setError(this.error);
|
||||
return status;
|
||||
}
|
||||
}
|
4
operator/src/main/resources/application.properties
Normal file
4
operator/src/main/resources/application.properties
Normal file
|
@ -0,0 +1,4 @@
|
|||
quarkus.operator-sdk.crd.apply=true
|
||||
quarkus.operator-sdk.generate-csv=true
|
||||
quarkus.container-image.builder=jib
|
||||
quarkus.operator-sdk.crd.validate=false
|
40
operator/src/main/resources/base-deployment.yaml
Normal file
40
operator/src/main/resources/base-deployment.yaml
Normal file
|
@ -0,0 +1,40 @@
|
|||
apiVersion: apps/v1
|
||||
kind: Deployment
|
||||
metadata:
|
||||
labels:
|
||||
app.kubernetes.io/managed-by: keycloak-operator
|
||||
name: keycloak
|
||||
namespace: default
|
||||
spec:
|
||||
replicas: 1
|
||||
selector:
|
||||
matchLabels:
|
||||
app: keycloak
|
||||
strategy:
|
||||
rollingUpdate:
|
||||
maxSurge: 25%
|
||||
maxUnavailable: 25%
|
||||
type: RollingUpdate
|
||||
template:
|
||||
metadata:
|
||||
labels:
|
||||
app: keycloak
|
||||
spec:
|
||||
containers:
|
||||
- args:
|
||||
- start-dev
|
||||
image: quay.io/keycloak/keycloak-x:latest
|
||||
imagePullPolicy: Always
|
||||
name: keycloak
|
||||
ports:
|
||||
- containerPort: 8443
|
||||
protocol: TCP
|
||||
- containerPort: 8080
|
||||
protocol: TCP
|
||||
dnsPolicy: ClusterFirst
|
||||
initContainers:
|
||||
- image: quay.io/keycloak/keycloak-init-container:latest
|
||||
imagePullPolicy: Always
|
||||
name: init-container
|
||||
restartPolicy: Always
|
||||
terminationGracePeriodSeconds: 30
|
6
operator/src/main/resources/example-keycloak.yml
Normal file
6
operator/src/main/resources/example-keycloak.yml
Normal file
|
@ -0,0 +1,6 @@
|
|||
apiVersion: keycloak.io/v2alpha1
|
||||
kind: Keycloak
|
||||
metadata:
|
||||
name: example-kc
|
||||
spec:
|
||||
instances: 1
|
13
pom.xml
13
pom.xml
|
@ -2040,6 +2040,19 @@
|
|||
</modules>
|
||||
</profile>
|
||||
|
||||
<profile>
|
||||
<id>operator</id>
|
||||
<activation>
|
||||
<jdk>[11,)</jdk>
|
||||
<property>
|
||||
<name>operator</name>
|
||||
</property>
|
||||
</activation>
|
||||
<modules>
|
||||
<module>operator</module>
|
||||
</modules>
|
||||
</profile>
|
||||
|
||||
<profile>
|
||||
<id>doclint-java8-disable</id>
|
||||
<activation>
|
||||
|
|
Loading…
Reference in a new issue