chore (quickstarts/gradle) : Cleanup unnecessary files in daprhellowo…

…rld quickstart

+ Remove unnecessary files
+ Add license headers
+ Correct typos

Signed-off-by: Rohan Kumar <rohaan@redhat.com>

quickstarts/gradle/daprhelloworld/README.md

@@ -17,17 +17,20 @@ Kubernetes with the help of Kubernetes jkube Gradle Plugin.
 ## How to Build?
 In order to build,you will need to install dapr in kubernetes
 
---Install dapr in kubernetes
+- Install dapr in kubernetes
 
-dapr init -k
+```shell script
+$ dapr init -k
+```
+- verify installation
+```shell script
+$ dapr status -k
+```
+- if required update installation
 
---verify installation
-
-dapr status -k
-
---if required update installation
-
-dapr upgrade -k --runtime-version=x.x.x
+```shell script
+$ dapr upgrade -k --runtime-version=x.x.x
+```
 
 ## Deploying to Kubernetes
 Kubernetes Gradle Plugin is already added to the project plugins section.
@@ -36,17 +39,24 @@ a Kubernetes cluster:
 
 in order dapr application to work in kubernetes cluster it needs following annotation in deployment.yaml file under spec, template metadata section 
 
+```yaml
 annotations:
-
-          dapr.io/enabled: "true"
+  dapr.io/enabled: "true"
+  dapr.io/app-id: "daprhelloworld"
+  dapr.io/app-port: "8085"
+  dapr.io/config: "appconfig"
+```
           
-          dapr.io/app-id: "daprhelloworld"
-          
-          dapr.io/app-port: "8085"
+In order to deploy application, you need to run Kubernetes Gradle Plugin build, resource and apply goals:
 
-          dapr.io/config: "appconfig"
-          
-If you are working with slow internet connection then rediness and livebess probe may timeout uncomment timeout and delay related annotation from above
+```shell script
+# Kubernetes
+$ gradle clean build k8sBuild k8sResource k8sApply
+# OpenShift
+$ gradle clean build ocBuild ocResource ocApply
+```
+
+If you are working with slow internet connection then readiness and liveness probe may timeout uncomment timeout and delay related annotation from above
 
-If you need time obervability in your application you can use zipkin and dapr appconfig, installation instruction for zipkin with appconfig is given in zipkininstallation.txt
+If you need time observability in your application you can use zipkin and dapr appconfig, installation instruction for zipkin with appconfig is given in zipkininstallation.sh
 

quickstarts/gradle/daprhelloworld/appconfig.yaml

@@ -1,3 +1,17 @@
+#
+# Copyright (c) 2019 Red Hat, Inc.
+# This program and the accompanying materials are made
+# available under the terms of the Eclipse Public License 2.0
+# which is available at:
+#
+#     https://www.eclipse.org/legal/epl-2.0/
+#
+# SPDX-License-Identifier: EPL-2.0
+#
+# Contributors:
+#   Red Hat, Inc. - initial API and implementation
+#
+
 apiVersion: dapr.io/v1alpha1
 kind: Configuration
 metadata:

quickstarts/gradle/daprhelloworld/build.gradle

@@ -3,7 +3,8 @@ plugins {
 	id 'org.springframework.boot' version '2.7.8'
 	id 'io.spring.dependency-management' version '1.0.15.RELEASE'
 	id "io.freefair.lombok" version "6.6.1"
-	id 'org.eclipse.jkube.kubernetes' version '1.9.1'
+	id 'org.eclipse.jkube.kubernetes' version '1.11.0'
+	id 'org.eclipse.jkube.openshift' version '1.11.0'
 }
 
 group = 'com.example'
@@ -17,7 +18,6 @@ repositories {
 dependencies {
 	implementation 'org.springframework.boot:spring-boot-starter-web'
 	implementation 'io.dapr:dapr-sdk-springboot:1.7.1'
-	testImplementation 'org.springframework.boot:spring-boot-starter-test'
 }
 
 tasks.named('test') {
@@ -26,17 +26,30 @@ tasks.named('test') {
 
 kubernetes {	 
     resources {
-    annotations {
-            pod = [
-                    'dapr.io/enabled' : true,
-                    'dapr.io/app-id' : "daprhelloworld",
-                    'dapr.io/app-port' : "8085",
-// if you want to trace application then please uncomment below and please also create appconfig.yaml and zipkin.yaml by following zipkininstallation.txt					
-//                    'dapr.io/config' : "appconfig"               
-            ]
+        annotations {
+                pod = [
+                        'dapr.io/enabled' : true,
+                        'dapr.io/app-id' : "daprhelloworld",
+                        'dapr.io/app-port' : "8085",
+    // if you want to trace application then please uncomment below and please also create appconfig.yaml and zipkin.yaml by following zipkininstallation.sh
+    //                    'dapr.io/config' : "appconfig"               
+                ]
+        }
+    	imagePullPolicy = "Always"
     }
-//    	namespace = 'default'    	
-//    	replicas = "2"
+}
+
+openshift {	 
+    resources {
+        annotations {
+                pod = [
+                        'dapr.io/enabled' : true,
+                        'dapr.io/app-id' : "daprhelloworld",
+                        'dapr.io/app-port' : "8085",
+    // if you want to trace application then please uncomment below and please also create appconfig.yaml and zipkin.yaml by following zipkininstallation.sh
+    //                    'dapr.io/config' : "appconfig"               
+                ]
+        }
     	imagePullPolicy = "Always"
-	}
+    }
 }

quickstarts/gradle/daprhelloworld/gradle.properties

@@ -1,7 +1,20 @@
+#
+# Copyright (c) 2019 Red Hat, Inc.
+# This program and the accompanying materials are made
+# available under the terms of the Eclipse Public License 2.0
+# which is available at:
+#
+#     https://www.eclipse.org/legal/epl-2.0/
+#
+# SPDX-License-Identifier: EPL-2.0
+#
+# Contributors:
+#   Red Hat, Inc. - initial API and implementation
+#
+
 jkube.generator.registry = docker.io/vishalrijhwani
 jkube.generator.name = docker.io/vishalrijhwani/%a:%l
 jkube.image.name = daprhelloworld
 jkube.generator.build.imagePullPolicy = Always
-#jkube.enricher.jkube-namespace.namespace = default
 jkube.enricher.jkube-controller.replicaCount = 1
 jkube.enricher.jkube-service.type = LoadBalancer

quickstarts/gradle/daprhelloworld/src/main/java/com/example/demo/DaprhelloworldApplication.java

@@ -1,13 +1,24 @@
+/**
+ * Copyright (c) 2019 Red Hat, Inc.
+ * This program and the accompanying materials are made
+ * available under the terms of the Eclipse Public License 2.0
+ * which is available at:
+ *
+ *     https://www.eclipse.org/legal/epl-2.0/
+ *
+ * SPDX-License-Identifier: EPL-2.0
+ *
+ * Contributors:
+ *   Red Hat, Inc. - initial API and implementation
+ */
 package com.example.demo;
 
 import org.springframework.boot.SpringApplication;
 import org.springframework.boot.autoconfigure.SpringBootApplication;
 
 @SpringBootApplication
 public class DaprhelloworldApplication {
-
 	public static void main(String[] args) {
 		SpringApplication.run(DaprhelloworldApplication.class, args);
 	}
-
-}
+}

quickstarts/gradle/daprhelloworld/src/main/java/com/example/demo/controller/HelloWorldController.java

@@ -1,3 +1,16 @@
+/**
+ * Copyright (c) 2019 Red Hat, Inc.
+ * This program and the accompanying materials are made
+ * available under the terms of the Eclipse Public License 2.0
+ * which is available at:
+ *
+ *     https://www.eclipse.org/legal/epl-2.0/
+ *
+ * SPDX-License-Identifier: EPL-2.0
+ *
+ * Contributors:
+ *   Red Hat, Inc. - initial API and implementation
+ */
 package com.example.demo.controller;
 
 import org.springframework.web.bind.annotation.GetMapping;
@@ -8,12 +21,8 @@
 @Slf4j
 @RestController
 public class HelloWorldController {
-
 	@GetMapping("/wish")
 	public String wish() {
-		log.info("within wish method");
 		return "Hello World";
 	}
-
-
 }

quickstarts/gradle/daprhelloworld/src/main/resources/application.properties

@@ -1,2 +1,16 @@
+#
+# Copyright (c) 2019 Red Hat, Inc.
+# This program and the accompanying materials are made
+# available under the terms of the Eclipse Public License 2.0
+# which is available at:
+#
+#     https://www.eclipse.org/legal/epl-2.0/
+#
+# SPDX-License-Identifier: EPL-2.0
+#
+# Contributors:
+#   Red Hat, Inc. - initial API and implementation
+#
+
 spring.application.name=daprhelloworld
 server.port=8085

quickstarts/gradle/daprhelloworld/zipkin.yaml

@@ -1,3 +1,17 @@
+#
+# Copyright (c) 2019 Red Hat, Inc.
+# This program and the accompanying materials are made
+# available under the terms of the Eclipse Public License 2.0
+# which is available at:
+#
+#     https://www.eclipse.org/legal/epl-2.0/
+#
+# SPDX-License-Identifier: EPL-2.0
+#
+# Contributors:
+#   Red Hat, Inc. - initial API and implementation
+#
+
 apiVersion: apps/v1
 kind: Deployment
 metadata:

quickstarts/gradle/daprhelloworld/zipkininstallation.sh

@@ -0,0 +1,28 @@
+#
+# Copyright (c) 2019 Red Hat, Inc.
+# This program and the accompanying materials are made
+# available under the terms of the Eclipse Public License 2.0
+# which is available at:
+#
+#     https://www.eclipse.org/legal/epl-2.0/
+#
+# SPDX-License-Identifier: EPL-2.0
+#
+# Contributors:
+#   Red Hat, Inc. - initial API and implementation
+#
+
+# create name space usernamespace
+kubectl create namespace usernamespace
+# for installing zipkin use below command
+kubectl -n usernamespace create -f zipkin.yaml
+kubectl create -f zipkin.yaml
+kubectl -n usernamespace create -f appconfig.yaml
+kubectl create -f appconfig.yaml
+# for zipkin uninstallation
+kubectl -n usernamespace delete -f zipkin.yaml
+kubectl delete -f zipkin.yaml
+kubectl -n usernamespace delete -f appconfig.yaml
+kubectl delete -f appconfig.yaml
+# delete namespace
+kubectl delete namespace usernamespace