Proper kustomize setup for the operator

operator/README.md

@@ -33,8 +33,20 @@ Compile the project and generate the Docker image with JIB:
 mvn clean package -Doperator -Dquarkus.container-image.build=true -Dquarkus.kubernetes.deployment-target=minikube
 ```
 
-Install the CRD definition and the operator in the cluster:
+Install the CRD definition and the operator in the cluster in the `keycloak` namespace:
 
 ```bash
-kubectl apply -k .
+kubectl apply -k target
+```
+
+to install in the `default` namespace:
+
+```bash
+kubectl apply -k overlays/default-namespace
+```
+
+Remove the created resources with:
+
+```bash
+kubectl delete -k <previously-used-folder>
 ```

operator/kustomization.yaml

@@ -1,4 +0,0 @@
-resources:
-  - target/kubernetes/keycloaks.keycloak.org-v1.yml
-  - target/kubernetes/minikube.yml
-  - kubernetes/deployments-role.yaml

operator/overlays/default-namespace/kustomization.yaml

@@ -0,0 +1,7 @@
+apiVersion: kustomize.config.k8s.io/v1beta1
+kind: Kustomization
+
+resources:
+- ../../target
+
+namespace: default

operator/pom.xml

@@ -123,16 +123,37 @@
         </pluginManagement>
         <plugins>
             <plugin>
-            <groupId>io.quarkus</groupId>
-            <artifactId>quarkus-maven-plugin</artifactId>
-            <version>${quarkus.version}</version>
-            <executions>
-                <execution>
-                <goals>
-                    <goal>build</goal>
-                </goals>
-                </execution>
-            </executions>
+                <groupId>io.quarkus</groupId>
+                <artifactId>quarkus-maven-plugin</artifactId>
+                <version>${quarkus.version}</version>
+                <executions>
+                    <execution>
+                    <goals>
+                        <goal>build</goal>
+                    </goals>
+                    </execution>
+                </executions>
+            </plugin>
+            <plugin>
+                <artifactId>maven-resources-plugin</artifactId>
+                <executions>
+                    <execution>
+                    <id>copy-resources</id>
+                    <phase>validate</phase>
+                    <goals>
+                        <goal>copy-resources</goal>
+                    </goals>
+                    <configuration>
+                        <outputDirectory>${basedir}/target</outputDirectory>
+                        <resources>          
+                        <resource>
+                            <directory>src/main/kubernetes</directory>
+                            <filtering>true</filtering>
+                        </resource>
+                        </resources>              
+                    </configuration>            
+                    </execution>
+                </executions>
             </plugin>
         </plugins>
     </build>

operator/src/main/kubernetes/kustomization.yml

@@ -0,0 +1,11 @@
+apiVersion: kustomize.config.k8s.io/v1beta1
+kind: Kustomization
+
+namespace: keycloak
+
+resources:
+  - kubernetes/keycloaks.keycloak.org-v1.yml
+  - kubernetes/kubernetes.yml
+
+patches:
+  - kubernetes/minikube.yml