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Add kubernetes-aws-java and container-aws-java templates #880

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Add kubernetes-aws-java and container-aws-java templates #880

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e5781df
Add kubernetes-aws-java
justinvp Feb 8, 2025
e10f5d0
Add container-aws-java
justinvp Feb 8, 2025
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18 changes: 18 additions & 0 deletions container-aws-java/Pulumi.yaml
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name: ${PROJECT}
description: ${DESCRIPTION}
runtime: java
template:
description: A Java program to deploy a containerized service on AWS
config:
aws:region:
description: The AWS region to deploy into
default: us-west-2
containerPort:
description: The port to expose on the container
default: 80
cpu:
description: The amount of CPU to allocate for the container
default: 512
memory:
description: The amount of memory to allocate for the container
default: 128
1 change: 1 addition & 0 deletions container-aws-java/app/Dockerfile
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FROM nginx
97 changes: 97 additions & 0 deletions container-aws-java/pom.xml
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<?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">
<modelVersion>4.0.0</modelVersion>

<groupId>com.pulumi</groupId>
<artifactId>${PROJECT}</artifactId>
<version>1.0-SNAPSHOT</version>

<properties>
<encoding>UTF-8</encoding>
<maven.compiler.source>11</maven.compiler.source>
<maven.compiler.target>11</maven.compiler.target>
<maven.compiler.release>11</maven.compiler.release>
<mainClass>myproject.App</mainClass>
<mainArgs/>
</properties>

<dependencies>
<dependency>
<groupId>com.pulumi</groupId>
<artifactId>pulumi</artifactId>
<version>[1.2,2.0)</version>
</dependency>
<dependency>
<groupId>com.pulumi</groupId>
<artifactId>aws</artifactId>
<version>[6.68,7.0)</version>
</dependency>
<dependency>
<groupId>com.pulumi</groupId>
<artifactId>awsx</artifactId>
<version>[2.21,3.0)</version>
</dependency>
</dependencies>

<build>
<plugins>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-jar-plugin</artifactId>
<version>3.2.2</version>
<configuration>
<archive>
<manifest>
<addClasspath>true</addClasspath>
<mainClass>${mainClass}</mainClass>
</manifest>
</archive>
</configuration>
</plugin>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-assembly-plugin</artifactId>
<version>3.3.0</version>
<configuration>
<archive>
<manifest>
<addClasspath>true</addClasspath>
<mainClass>${mainClass}</mainClass>
</manifest>
</archive>
<descriptorRefs>
<descriptorRef>jar-with-dependencies</descriptorRef>
</descriptorRefs>
</configuration>
<executions>
<execution>
<id>make-my-jar-with-dependencies</id>
<phase>package</phase>
<goals>
<goal>single</goal>
</goals>
</execution>
</executions>
</plugin>
<plugin>
<groupId>org.codehaus.mojo</groupId>
<artifactId>exec-maven-plugin</artifactId>
<version>3.0.0</version>
<configuration>
<mainClass>${mainClass}</mainClass>
<commandlineArgs>${mainArgs}</commandlineArgs>
</configuration>
</plugin>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-wrapper-plugin</artifactId>
<version>3.1.0</version>
<configuration>
<mavenVersion>3.8.5</mavenVersion>
</configuration>
</plugin>
</plugins>
</build>
</project>
70 changes: 70 additions & 0 deletions container-aws-java/src/main/java/myproject/App.java
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package myproject;

import java.util.List;

import com.pulumi.Pulumi;
import com.pulumi.aws.ecs.Cluster;
import com.pulumi.awsx.ecr.Image;
import com.pulumi.awsx.ecr.ImageArgs;
import com.pulumi.awsx.ecr.Repository;
import com.pulumi.awsx.ecr.RepositoryArgs;
import com.pulumi.awsx.ecs.FargateService;
import com.pulumi.awsx.ecs.FargateServiceArgs;
import com.pulumi.awsx.ecs.inputs.FargateServiceTaskDefinitionArgs;
import com.pulumi.awsx.ecs.inputs.TaskDefinitionContainerDefinitionArgs;
import com.pulumi.awsx.ecs.inputs.TaskDefinitionPortMappingArgs;
import com.pulumi.awsx.lb.ApplicationLoadBalancer;

public class App {
public static void main(String[] args) {
Pulumi.run(ctx -> {
var config = ctx.config();
var containerPort = config.getInteger("containerPort").orElse(80);
var cpu = config.getInteger("cpu").orElse(512);
var memory = config.getInteger("memory").orElse(128);

// An ECS cluster to deploy into
var cluster = new Cluster("cluster");

// An ALB to serve the container endpoint to the internet
var loadbalancer = new ApplicationLoadBalancer("loadbalancer");

// An ECR repository to store our application's container image
var repo = new Repository("repo", RepositoryArgs.builder()
.forceDelete(true)
.build());

// Build and publish our application's container image from ./app to the ECR
// repository
var image = new Image("image", ImageArgs.builder()
.repositoryUrl(repo.url())
.context("./app")
.platform("linux/amd64")
.build());

// Deploy an ECS Service on Fargate to host the application container
var service = new FargateService("service", FargateServiceArgs.builder()
.cluster(cluster.arn())
.assignPublicIp(true)
.taskDefinitionArgs(FargateServiceTaskDefinitionArgs.builder()
.container(TaskDefinitionContainerDefinitionArgs.builder()
.name("app")
.image(image.imageUri())
.cpu(cpu)
.memory(memory)
.essential(true)
.portMappings(List.of(
TaskDefinitionPortMappingArgs.builder()
.containerPort(containerPort)
.targetGroup(loadbalancer.defaultTargetGroup())
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I guess this is the output that causes the issue. iirc wrapping this in pulumi.output(…) (or the java equivalent) is a way to work around this. I can give it a try later

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@flostadler flostadler Feb 9, 2025 •
edited
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This is working for me:

Suggested change
.targetGroup(loadbalancer.defaultTargetGroup())
.targetGroup(Output.of(loadbalancer.defaultTargetGroup()).apply(Function.identity()))

Note, this needs this import: import java.util.function.Function;

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As Florian mentioned in Slack, the workaround isn't actually working. We need to fix Java to serialize output values: pulumi/pulumi-java#1662. Working on this now.

.build()))
.build())
.build())
.build());

// Export the URL at which the container's HTTP endpoint will be available
var dnsName = loadbalancer.loadBalancer().apply(lb -> lb.dnsName());
ctx.export("url", dnsName.applyValue(d -> "http://" + d));
});
}
}
24 changes: 24 additions & 0 deletions kubernetes-aws-java/Pulumi.yaml
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name: ${PROJECT}
description: ${DESCRIPTION}
runtime: java
template:
description: A Java program to deploy a Kubernetes cluster on AWS
config:
aws:region:
description: The AWS region to deploy into
default: us-west-2
minClusterSize:
description: Minimum size (number of nodes) of cluster
default: 3
maxClusterSize:
description: Maximum size (number of nodes) of cluster
default: 6
desiredClusterSize:
description: Desired number of nodes in the cluster
default: 3
eksNodeInstanceType:
description: Instance type to use for worker nodes
default: t3.medium
vpcNetworkCidr:
description: Network CIDR to use for new VPC
default: 10.0.0.0/16
97 changes: 97 additions & 0 deletions kubernetes-aws-java/pom.xml
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<?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">
<modelVersion>4.0.0</modelVersion>

<groupId>com.pulumi</groupId>
<artifactId>${PROJECT}</artifactId>
<version>1.0-SNAPSHOT</version>

<properties>
<encoding>UTF-8</encoding>
<maven.compiler.source>11</maven.compiler.source>
<maven.compiler.target>11</maven.compiler.target>
<maven.compiler.release>11</maven.compiler.release>
<mainClass>myproject.App</mainClass>
<mainArgs/>
</properties>

<dependencies>
<dependency>
<groupId>com.pulumi</groupId>
<artifactId>pulumi</artifactId>
<version>[1.2,2.0)</version>
</dependency>
<dependency>
<groupId>com.pulumi</groupId>
<artifactId>awsx</artifactId>
<version>[2.21,3.0)</version>
</dependency>
<dependency>
<groupId>com.pulumi</groupId>
<artifactId>eks</artifactId>
<version>[3.8.1,4.0)</version>
</dependency>
</dependencies>

<build>
<plugins>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-jar-plugin</artifactId>
<version>3.2.2</version>
<configuration>
<archive>
<manifest>
<addClasspath>true</addClasspath>
<mainClass>${mainClass}</mainClass>
</manifest>
</archive>
</configuration>
</plugin>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-assembly-plugin</artifactId>
<version>3.3.0</version>
<configuration>
<archive>
<manifest>
<addClasspath>true</addClasspath>
<mainClass>${mainClass}</mainClass>
</manifest>
</archive>
<descriptorRefs>
<descriptorRef>jar-with-dependencies</descriptorRef>
</descriptorRefs>
</configuration>
<executions>
<execution>
<id>make-my-jar-with-dependencies</id>
<phase>package</phase>
<goals>
<goal>single</goal>
</goals>
</execution>
</executions>
</plugin>
<plugin>
<groupId>org.codehaus.mojo</groupId>
<artifactId>exec-maven-plugin</artifactId>
<version>3.0.0</version>
<configuration>
<mainClass>${mainClass}</mainClass>
<commandlineArgs>${mainArgs}</commandlineArgs>
</configuration>
</plugin>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-wrapper-plugin</artifactId>
<version>3.1.0</version>
<configuration>
<mavenVersion>3.8.5</mavenVersion>
</configuration>
</plugin>
</plugins>
</build>
</project>
54 changes: 54 additions & 0 deletions kubernetes-aws-java/src/main/java/myproject/App.java
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package myproject;

import com.pulumi.Pulumi;
import com.pulumi.awsx.ec2.Vpc;
import com.pulumi.awsx.ec2.VpcArgs;
import com.pulumi.eks.Cluster;
import com.pulumi.eks.ClusterArgs;
import com.pulumi.eks.enums.AuthenticationMode;

public class App {
public static void main(String[] args) {
Pulumi.run(ctx -> {
// Grab some values from the Pulumi configuration (or use default values)
var config = ctx.config();
var minClusterSize = config.getInteger("minClusterSize").orElse(3);
var maxClusterSize = config.getInteger("maxClusterSize").orElse(6);
var desiredClusterSize = config.getInteger("desiredClusterSize").orElse(3);
var eksNodeInstanceType = config.get("eksNodeInstanceType").orElse("t3.medium");
var vpcNetworkCidr = config.get("vpcNetworkCidr").orElse("10.0.0.0/16");

// Create a VPC for the EKS cluster
var eksVpc = new Vpc("eks-vpc", VpcArgs.builder()
.enableDnsHostnames(true)
.cidrBlock(vpcNetworkCidr)
.build());

// Create the EKS cluster
var eksCluster = new Cluster("eks-cluster", ClusterArgs.builder()
// Put the cluster in the new VPC created earlier
.vpcId(eksVpc.vpcId())
// Use the "API" authentication mode to support access entries
.authenticationMode(AuthenticationMode.Api)
// Public subnets will be used for load balancers
.publicSubnetIds(eksVpc.publicSubnetIds())
// Private subnets will be used for cluster nodes
.privateSubnetIds(eksVpc.privateSubnetIds())
// Change configuration values to change any of the following settings
.instanceType(eksNodeInstanceType)
.desiredCapacity(desiredClusterSize)
.minSize(minClusterSize)
.maxSize(maxClusterSize)
// Do not give the worker nodes public IP addresses
.nodeAssociatePublicIpAddress(false)
// Change these values for a private cluster (VPN access required)
.endpointPrivateAccess(false)
.endpointPublicAccess(true)
.build());

// Export some values for use elsewhere
ctx.export("kubeconfig", eksCluster.kubeconfig());
ctx.export("vpcId", eksVpc.vpcId());
});
}
}
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