plain spring boot example

Author: csviri

samples/basic/pom.xml

@@ -17,7 +17,8 @@
     <modules>
         <module>common</module>
         <module>pure-java</module>
-        <module>spring-boot</module>
+        <module>spring-boot-plain</module>
+        <module>spring-boot-auto-config</module>
     </modules>
 
 </project>

samples/basic/spring-boot/pom.xml renamed to samples/basic/spring-boot-auto-config/pom.xml

@@ -9,8 +9,8 @@
         <version>1.1.1-SNAPSHOT</version>
     </parent>
 
-    <artifactId>operator-framework-samples-spring-boot</artifactId>
-    <name>Operator SDK - Samples - Basic - Spring Boot</name>
+    <artifactId>operator-framework-samples-spring-boot-auto-configuration</artifactId>
+    <name>Operator SDK - Samples - Basic - Spring Boot - Auto Configuration</name>
     <description>Sample usage with Spring Boot</description>
     <packaging>jar</packaging>
 

samples/basic/spring-boot/src/main/java/com/github/containersolutions/operator/sample/SampleComponent.java renamed to samples/basic/spring-boot-auto-config/src/main/java/com/github/containersolutions/operator/sample/SampleComponent.java

@@ -0,0 +1,67 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://maven.apache.org/POM/4.0.0"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+
+    <parent>
+        <groupId>com.github.containersolutions</groupId>
+        <artifactId>java-operator-sdk-basic-sample</artifactId>
+        <version>1.1.1-SNAPSHOT</version>
+    </parent>
+
+    <artifactId>operator-framework-samples-spring-boot-plain</artifactId>
+    <name>Operator SDK - Samples - Basic - Spring Boot - Plain</name>
+    <description>Sample usage with Spring Boot</description>
+    <packaging>jar</packaging>
+
+    <properties>
+        <java.version>8</java.version>
+        <maven.compiler.source>1.8</maven.compiler.source>
+        <maven.compiler.target>1.8</maven.compiler.target>
+    </properties>
+
+    <dependencies>
+        <dependency>
+            <groupId>com.github.containersolutions</groupId>
+            <artifactId>operator-framework-samples-common</artifactId>
+            <version>${project.version}</version>
+        </dependency>
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-test</artifactId>
+            <scope>test</scope>
+            <exclusions>
+                <exclusion>
+                    <groupId>junit</groupId>
+                    <artifactId>junit</artifactId>
+                </exclusion>
+            </exclusions>
+        </dependency>
+    </dependencies>
+
+    <dependencyManagement>
+        <dependencies>
+            <dependency>
+                <groupId>org.springframework.boot</groupId>
+                <artifactId>spring-boot-dependencies</artifactId>
+                <version>2.2.6.RELEASE</version>
+                <type>pom</type>
+                <scope>import</scope>
+            </dependency>
+        </dependencies>
+    </dependencyManagement>
+
+    <build>
+        <plugins>
+            <plugin>
+                <groupId>org.springframework.boot</groupId>
+                <artifactId>spring-boot-maven-plugin</artifactId>
+                <version>2.2.6.RELEASE</version>
+            </plugin>
+        </plugins>
+    </build>
+</project>

samples/basic/spring-boot/src/main/java/com/github/containersolutions/operator/sample/SpringBootStarterSampleApplication.java renamed to samples/basic/spring-boot-auto-config/src/main/java/com/github/containersolutions/operator/sample/SpringBootStarterSampleApplication.java

@@ -0,0 +1,35 @@
+package com.github.containersolutions.operator.sample;
+
+import com.github.containersolutions.operator.Operator;
+import com.github.containersolutions.operator.api.ResourceController;
+import com.github.containersolutions.operator.processing.retry.GenericRetry;
+import io.fabric8.kubernetes.client.DefaultKubernetesClient;
+import io.fabric8.kubernetes.client.KubernetesClient;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+
+import java.util.List;
+
+@Configuration
+public class Config {
+
+    @Bean
+    public KubernetesClient kubernetesClient() {
+        return new DefaultKubernetesClient();
+    }
+
+    @Bean
+    public CustomServiceController customServiceController(KubernetesClient client) {
+        return new CustomServiceController(client);
+    }
+
+    //  Register all controller beans
+    @Bean
+    public Operator operator(KubernetesClient client, List<ResourceController> controllers) {
+        Operator operator = new Operator(client);
+        controllers.forEach(c -> operator.registerControllerForAllNamespaces(c,
+                GenericRetry.defaultLimitedExponentialRetry()));
+        return operator;
+    }
+
+}

samples/basic/spring-boot/src/main/resources/application.yaml renamed to samples/basic/spring-boot-auto-config/src/main/resources/application.yaml

@@ -0,0 +1,17 @@
+package com.github.containersolutions.operator.sample;
+
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+
+/**
+ * Note that we have multiple options here either we can add this component scan as seen below. Or annotate controllers
+ * with @Component or @Service annotation or just register the bean within a spring "@Configuration".
+ */
+@SpringBootApplication
+public class SpringBootStarterSampleApplication {
+
+    public static void main(String[] args) {
+        SpringApplication.run(SpringBootStarterSampleApplication.class, args);
+    }
+
+}

samples/basic/spring-boot-plain/pom.xml

@@ -0,0 +1,2 @@
+operator.controller.retry:
+  maxAttempts: 3