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refactored hello-java app to use thorntail

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This commit is contained in:
Ravi Srinivasan 2019-06-04 12:44:55 +05:30
parent de664729bc
commit be6db34b37
7 changed files with 45 additions and 104 deletions
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2
hello-java/Dockerfile
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@ -13,7 +13,7 @@ RUN yum install -y --disableplugin=subscription-manager java-1.8.0-openjdk-hea
mkdir -p /opt/app-root/bin mkdir -p /opt/app-root/bin
# Copy the runnable fat JAR to the container. # Copy the runnable fat JAR to the container.
ADD https://github.com/RedHatTraining/DO288-apps/releases/download/1.0/hello-swarm.jar /opt/app-root/bin/ ADD https://github.com/RedHatTraining/DO288-apps/releases/download/OCP-4.1-1/hello-java.jar /opt/app-root/bin/
COPY run-app.sh /opt/app-root/bin/ COPY run-app.sh /opt/app-root/bin/

59
hello-java/app-src/pom.xml
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@ -5,11 +5,11 @@
<modelVersion>4.0.0</modelVersion> <modelVersion>4.0.0</modelVersion>
<groupId>com.redhat.training.openshift</groupId> <groupId>com.redhat.training.openshift</groupId>
<artifactId>hello-swarm</artifactId> <artifactId>hello-java</artifactId>
<version>1.0</version> <version>1.0</version>
<packaging>war</packaging> <packaging>war</packaging>
<name>Red Hat Training ToT app</name> <name>Red Hat Training Hello Java app</name>
<description>Hello microservice using WildFly Swarm</description> <description>Hello microservice using Thorntail</description>
<properties> <properties>
<!-- Explicitly declaring the source encoding eliminates the following <!-- Explicitly declaring the source encoding eliminates the following
@ -17,9 +17,10 @@
<!-- [WARNING] Using platform encoding (UTF-8 actually) to copy filtered <!-- [WARNING] Using platform encoding (UTF-8 actually) to copy filtered
resources, i.e. build is platform dependent! --> resources, i.e. build is platform dependent! -->
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding> <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
<failOnMissingWebXml>false</failOnMissingWebXml>
<!-- JBoss dependency versions --> <!-- Thorntail dependency versions -->
<version.wildfly.swarm>2017.10.0</version.wildfly.swarm> <version.thorntail>2.4.0.Final</version.thorntail>
<!-- other plugin versions --> <!-- other plugin versions -->
<version.compiler.plugin>3.1</version.compiler.plugin> <version.compiler.plugin>3.1</version.compiler.plugin>
@ -35,33 +36,25 @@
<dependencyManagement> <dependencyManagement>
<dependencies> <dependencies>
<!-- JBoss distributes a complete set of Java EE 7 APIs including a Bill
of Materials (BOM). A BOM specifies the versions of a "stack" (or a collection)
of artifacts. We use this here so that we always get the correct versions
of artifacts. -->
<dependency> <dependency>
<groupId>org.wildfly.swarm</groupId> <groupId>io.thorntail</groupId>
<artifactId>bom</artifactId> <artifactId>bom-all</artifactId>
<version>${version.wildfly.swarm}</version> <version>${version.thorntail}</version>
<type>pom</type>
<scope>import</scope> <scope>import</scope>
<type>pom</type>
</dependency> </dependency>
</dependencies> </dependencies>
</dependencyManagement> </dependencyManagement>
<dependencies> <dependencies>
<dependency> <dependency>
<groupId>org.wildfly.swarm</groupId> <groupId>io.thorntail</groupId>
<artifactId>jaxrs-jsonp</artifactId>
</dependency>
<dependency>
<groupId>org.wildfly.swarm</groupId>
<artifactId>jaxrs-cdi</artifactId>
</dependency>
<dependency>
<groupId>org.wildfly.swarm</groupId>
<artifactId>cdi</artifactId> <artifactId>cdi</artifactId>
</dependency> </dependency>
<dependency>
<groupId>io.thorntail</groupId>
<artifactId>jaxrs</artifactId>
</dependency>
</dependencies> </dependencies>
@ -70,23 +63,12 @@
given to the generated war, and hence the context root) --> given to the generated war, and hence the context root) -->
<finalName>hello</finalName> <finalName>hello</finalName>
<plugins> <plugins>
<!-- The Thorntail Maven plugin creates an uber jar -->
<!-- To use, run: mvn thorntail:run -->
<plugin> <plugin>
<artifactId>maven-war-plugin</artifactId> <groupId>io.thorntail</groupId>
<version>${version.war.plugin}</version> <artifactId>thorntail-maven-plugin</artifactId>
<configuration> <version>${version.thorntail}</version>
<!-- Java EE 7 doesn't require web.xml, Maven needs to catch up! -->
<failOnMissingWebXml>false</failOnMissingWebXml>
</configuration>
</plugin>
<!-- The WildFly Swarm plugin creates an uber jar -->
<!-- To use, run: mvn wildfly-swarm:run -->
<plugin>
<groupId>org.wildfly.swarm</groupId>
<artifactId>wildfly-swarm-plugin</artifactId>
<version>${version.wildfly.swarm}</version>
<configuration>
<mainClass>com.redhat.training.openshift.hello.Main</mainClass>
</configuration>
<executions> <executions>
<execution> <execution>
<goals> <goals>
@ -98,5 +80,4 @@
</plugins> </plugins>
</build> </build>
</project> </project>

2
hello-java/app-src/src/main/java/com/redhat/training/openshift/hello/HelloResource.java
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@ -15,10 +15,12 @@ public class HelloResource {
String hostname = System.getenv().getOrDefault("HOSTNAME", "unknown"); String hostname = System.getenv().getOrDefault("HOSTNAME", "unknown");
String message = System.getenv().getOrDefault("APP_MSG", null); String message = System.getenv().getOrDefault("APP_MSG", null);
String response = ""; String response = "";
if (message == null) if (message == null)
response = "Hello world from host "+hostname+"\n"; response = "Hello world from host "+hostname+"\n";
else else
response = "Hello world from host ["+hostname+"]. Message received = "+message+"\n"; response = "Hello world from host ["+hostname+"]. Message received = "+message+"\n";
return response; return response;
} }
} }

31
hello-java/app-src/src/main/java/com/redhat/training/openshift/hello/Main.java
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@ -1,31 +0,0 @@
package com.redhat.training.openshift.hello;
import org.jboss.shrinkwrap.api.ShrinkWrap;
import org.jboss.shrinkwrap.api.asset.ClassLoaderAsset;
import org.wildfly.swarm.Swarm;
import org.wildfly.swarm.undertow.WARArchive;
public class Main {
public static void main(String[] args) throws Exception {
// Instantiate the container
Swarm swarm = new Swarm(args);
// Create one or more deployments
WARArchive deployment = ShrinkWrap.create(WARArchive.class);
// Add resource to deployment
deployment.addPackage(Main.class.getPackage());
deployment.addAllDependencies();
// Add Web resources
deployment.addAsWebInfResource(
new ClassLoaderAsset("WEB-INF/web.xml", Main.class.getClassLoader()), "web.xml");
deployment.addAsWebInfResource(
new ClassLoaderAsset("WEB-INF/beans.xml", Main.class.getClassLoader()), "beans.xml");
swarm.start().deploy(deployment);
}
}

5
hello-java/app-src/src/main/resources/WEB-INF/beans.xml
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@ -1,5 +0,0 @@
<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://xmlns.jcp.org/xml/ns/javaee" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/javaee
http://xmlns.jcp.org/xml/ns/javaee/beans_1_1.xsd" bean-discovery-mode="all">
</beans>

6
hello-java/app-src/src/main/resources/WEB-INF/web.xml
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@ -1,6 +0,0 @@
<?xml version="1.0" encoding="UTF-8"?>
<web-app version="3.1" xmlns="http://xmlns.jcp.org/xml/ns/javaee"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/javaee http://xmlns.jcp.org/xml/ns/javaee/web-app_3_1.xsd">
</web-app>

4
hello-java/run-app.sh
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@ -1,7 +1,7 @@
#!/bin/sh #!/bin/sh
echo "Starting wildfly swarm app..." echo "Starting hello-java app..."
echo "JVM options => $JAVA_OPTIONS" echo "JVM options => $JAVA_OPTIONS"
echo echo
java $JAVA_OPTIONS -jar /opt/app-root/bin/hello-swarm.jar java $JAVA_OPTIONS -jar /opt/app-root/bin/hello-java.jar