made a bunch of changes to get this code to work with databases

Jenkinsfile

@@ -0,0 +1,86 @@
+#!/usr/bin/groovy
+@Library('github.com/fabric8io/fabric8-pipeline-library@master')
+
+def localItestPattern = ""
+try {
+  localItestPattern = ITEST_PATTERN
+} catch (Throwable e) {
+  localItestPattern = "*IT"
+}
+
+def localFailIfNoTests = ""
+try {
+  localFailIfNoTests = ITEST_FAIL_IF_NO_TEST
+} catch (Throwable e) {
+  localFailIfNoTests = "false"
+}
+
+def versionPrefix = ""
+try {
+  versionPrefix = VERSION_PREFIX
+} catch (Throwable e) {
+  versionPrefix = "1.0"
+}
+
+def canaryVersion = "${versionPrefix}.${env.BUILD_NUMBER}"
+
+def fabric8Console = "${env.FABRIC8_CONSOLE ?: ''}"
+def utils = new io.fabric8.Utils()
+def label = "buildpod.${env.JOB_NAME}.${env.BUILD_NUMBER}".replace('-', '_').replace('/', '_')
+def envStage = utils.environmentNamespace('stage')
+def envProd = utils.environmentNamespace('run')
+def stashName = ""
+def deploy = false
+mavenNode {
+  checkout scm
+  if (utils.isCI()){
+
+    mavenCI{}
+
+  } else if (utils.isCD()){
+    deploy = true
+    echo 'NOTE: running pipelines for the first time will take longer as build and base docker images are pulled onto the node'
+    container(name: 'maven') {
+
+      stage('Build Release'){
+        mavenCanaryRelease {
+          version = canaryVersion
+        }
+      }
+
+      stage('Integration Testing'){
+        mavenIntegrationTest {
+          environment = 'Test'
+          failIfNoTests = localFailIfNoTests
+          itestPattern = localItestPattern
+        }
+      }
+
+      stage('Rollout to Stage'){
+        kubernetesApply(environment: envStage)
+        //stash deployments
+        stashName = label
+        stash includes: '**/*.yml', name: stashName
+      }
+    }
+  }
+}
+
+if (deploy){
+    node {
+        stage('Approve'){
+          approve {
+            room = null
+            version = canaryVersion
+            console = fabric8Console
+            environment = 'Stage'
+          }
+        }
+
+        stage('Rollout to Run'){
+          unstash stashName
+          kubernetesApply(environment: envProd)
+        }
+    }
+}
+

pom.xml

@@ -1,6 +1,4 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<?xml version="1.0" encoding="UTF-8" standalone="no"?><project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" 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>
 
 	<groupId>com.example</groupId>
@@ -18,6 +16,19 @@
 		<relativePath/> <!-- lookup parent from repository -->
 	</parent>
 
+	<!-- https://mvnrepository.com/artifact/org.springframework.cloud/spring-cloud-starter -->
+    <dependencyManagement>
+        <dependencies>
+		<dependency>
+    			<groupId>org.springframework.cloud</groupId>
+    			<artifactId>spring-cloud-starter</artifactId>
+    			<version>1.1.5.RELEASE</version>
+	                <type>pom</type>
+        	        <scope>import</scope>
+		</dependency>
+        </dependencies>
+    </dependencyManagement>
+
 	<properties>
 		<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
 		<project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
@@ -31,22 +42,47 @@
 		        <version>5.1.6</version>
 		</dependency>
 
+		<dependency>
+  			<groupId>org.postgresql</groupId>
+  			<artifactId>postgresql</artifactId>
+ 			<version>9.4-1206-jdbc42</version>
+		</dependency>
+
+                <dependency>
+    			<groupId>org.hsqldb</groupId>
+    			<artifactId>hsqldb</artifactId>
+    			<scope>runtime</scope>
+		</dependency>
+
+		<dependency>
+			<groupId>org.springframework.boot</groupId>
+			<artifactId>spring-boot-starter-jdbc</artifactId>
+		</dependency>		
+
 		<dependency>
 			<groupId>org.springframework.boot</groupId>
 			<artifactId>spring-boot-starter-web</artifactId>
 		</dependency>
-
+        
 		<dependency>
 			<groupId>org.springframework.boot</groupId>
 			<artifactId>spring-boot-starter-test</artifactId>
 			<scope>test</scope>
 		</dependency>
 
 		<dependency>
-			<groupId>mysql</groupId>
-			<artifactId>mysql-connector-java</artifactId>
+			<groupId>org.springframework.boot</groupId>
+  			<artifactId>spring-boot-starter-actuator</artifactId>
 		</dependency>
 
+
+                <dependency>
+                        <groupId>org.springframework.cloud</groupId>
+                        <artifactId>spring-cloud-config-client</artifactId>
+                        <version>1.2.1.RELEASE</version>
+                </dependency>
+
+
 	</dependencies>
 
 	<build>
@@ -55,8 +91,32 @@
 				<groupId>org.springframework.boot</groupId>
 				<artifactId>spring-boot-maven-plugin</artifactId>
 			</plugin>
-		</plugins>
+
+      <plugin>
+        <groupId>io.fabric8</groupId>
+        <artifactId>fabric8-maven-plugin</artifactId>
+        <version>3.5.22</version>
+        <executions>
+          <execution>
+            <goals>
+              <goal>resource</goal>
+              <goal>build</goal>
+            </goals>
+          </execution>
+        </executions>
+
+        <configuration>
+          <resources>
+            <labels>
+              <all>
+                <space>veerspace</space>
+              </all>
+            </labels>
+          </resources>
+        </configuration>
+      </plugin>
+    </plugins>
 	</build>
 
 
-</project>
+</project>

src/main/java/com/example/SpringSampleAppApplication.java

@@ -6,6 +6,8 @@
 import org.springframework.boot.autoconfigure.SpringBootApplication;
 import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.bind.annotation.RestController;
+import org.springframework.cloud.context.config.annotation.RefreshScope;
+import org.springframework.stereotype.Component;
 
 import java.io.Console;
 import java.net.InetAddress;
@@ -28,11 +30,15 @@ public static void main(String[] args) {
 	}
 }
 
+
 @RestController
 @RequestMapping("/")
+@RefreshScope
+@Component
 class HomeRestController {
 
 	boolean healthy=true;
+	boolean alive=true;
     String hostname="";
 	public  HomeRestController(){
 		try {
@@ -48,18 +54,40 @@ public String home(){
          return "<h1>"+hostname+"</h1>";
 	}
 
-	@RequestMapping("/healthz")
-	public ResponseEntity healthz(){
+	@RequestMapping("/ready")
+	public ResponseEntity ready(){
 		if (healthy)
 			return new ResponseEntity(HttpStatus.ACCEPTED);
 		else
 			return new ResponseEntity(HttpStatus.NOT_ACCEPTABLE);
 	}
 
-	@RequestMapping("/cancer")
-	public String cancer(){
+
+	@RequestMapping("/live")
+	public ResponseEntity live(){
+		if (alive)
+			return new ResponseEntity(HttpStatus.ACCEPTED);
+		else
+			return new ResponseEntity(HttpStatus.NOT_ACCEPTABLE);
+	}
+
+	@RequestMapping("/infect")
+	public String infect(){
 		healthy=false;
-		return "Killed "+hostname;
+		return hostname+" is getting Sick ";
+	}
+
+	@RequestMapping("/cure")
+	public String cure(){
+		healthy=true;
+		return hostname+" is getting Better ";
+	}
+
+
+	@RequestMapping("/kill")
+	public String suffer(){
+		alive=false;
+		return hostname+" is Dying ";
 	}
 
 	@Autowired
@@ -72,11 +100,19 @@ public String dbtest(){
 		Connection conn = null;
 
 		try {
+			//String connURL="jdbc:mysql://"+env.getProperty("MYSQL_SERVICE_HOST")+":"+env.getProperty("MYSQL_SERVICE_PORT")+"/"+env.getProperty("MYSQL_DATABASE")+"?useSSL=false";
+			//System.out.println("URL:  "+connURL);
+			//conn =  DriverManager.getConnection(connURL,env.getProperty("MYSQL_USER"),env.getProperty("MYSQL_PASSWORD"));
 			conn =  DriverManager.getConnection(env.getProperty("spring.datasource.url"),env.getProperty("spring.datasource.username"),env.getProperty("spring.datasource.password"));
+                        System.out.println("connection url: "+env.getProperty("spring.datasource.url"));
+			//System.out.println("Username: "+env.getProperty("spring.datasource.username")+"\nPassword: "+env.getProperty("spring.datasource.password"));
 			PreparedStatement ps = conn.prepareStatement(sql);
 			ResultSet rs = ps.executeQuery();
-			rs.next();
-			String res="<h1>"+rs.getInt("CUST_ID") + rs.getString("NAME")+rs.getInt("Age")+"</h1>";
+			String res="<h1>Customers List</h1></br>";
+			while (rs.next()) {
+			     res=res+"CustomerId: "+rs.getInt("CUST_ID") + "  Customer Name: "+ rs.getString("NAME")+"  Age: "+rs.getInt("Age")+"</br>";
+			} 
+			rs.close();
 			return res;
 		} catch (SQLException e) {
 			throw new RuntimeException(e);

src/main/resources/application.properties

@@ -1,3 +1,7 @@
-spring.datasource.url= jdbc:mysql://localhost:3306/dev?useSSL=false
-spring.datasource.username=root
-spring.datasource.password=
+# replace your own values based on the database service you created
+# url = jdbc:mysql://<<service-host>>:<<service-port>>/<<dbname>>?useSSL=false
+#spring.datasource.url= jdbc:mysql://mysql:3306/sampledb?useSSL=false
+spring.datasource.platform=hsqldb
+spring.datasource.url= jdbc:hsqldb:file:database/mydb;shutdown=true 
+spring.datasource.username=user
+spring.datasource.password=password

src/main/resources/data-hsqldb.sql

@@ -0,0 +1,5 @@
+delete from customer; 
+insert into customer (name, age) values ('Joe Hsql', 88);
+insert into customer (name, age) values ('Jack Hsql', 54);
+insert into customer (name, age) values ('Ann Hsql', 32);
+

src/main/resources/data-mysql.sql

@@ -0,0 +1,5 @@
+delete from customer; 
+insert into customer values (null, "Joe Mysql", 88);
+insert into customer values (null, "Jack Mysql", 54);
+insert into customer values (null, "Ann Mysql", 32);
+

src/main/resources/data-postgresql.sql

@@ -0,0 +1,5 @@
+delete from customer; 
+insert into customer (name,age) values ('Joe Psql', 88);
+insert into customer (name,age) values ('Jack Psql', 54);
+insert into customer (name,age) values ('Ann Psql', 32);
+

src/main/resources/schema-hsqldb.sql

@@ -0,0 +1,5 @@
+DROP TABLE customer IF EXISTS;
+CREATE TABLE customer ( CUST_ID int GENERATED BY DEFAULT AS IDENTITY 
+                                         (START WITH 1, INCREMENT BY 1) NOT NULL,
+                        NAME varchar(100) NOT NULL,   
+                        AGE int NOT NULL,   PRIMARY KEY (CUST_ID) ); 

src/main/resources/schema-mysql.sql

@@ -0,0 +1,3 @@
+CREATE TABLE IF NOT EXISTS `customer` (   `CUST_ID` int(10) unsigned NOT NULL AUTO_INCREMENT,   `NAME` varchar(100) NOT NULL,   `AGE` int(10) unsigned NOT NULL,   PRIMARY KEY (`CUST_ID`) ) ENGINE=InnoDB AUTO_INCREMENT=2 DEFAULT CHARSET=utf8;
+
+

src/main/resources/schema-postgresql.sql

@@ -0,0 +1,4 @@
+CREATE TABLE IF NOT EXISTS customer (
+   CUST_ID serial primary key,   
+   NAME varchar(100) NOT NULL,
+   AGE integer NOT NULL);