constructor()

in jenkins-cdk/lib/jenkins-cdk-stack.ts [31:101]

• 61 lines of code
• 1 McCabe index (conditional complexity)

    constructor(scope: cdk.Construct, id: string, props?: cdk.StackProps) {
        super(scope, id, props);

        this.vpc = new ec2.Vpc(this, 'mac-vpc', {
            cidr: "10.0.0.0/16",
            maxAzs: 99,
        });

        this.jenkins_sg = new ec2.SecurityGroup(this, 'jenkins-sg', {
            securityGroupName: "jenkins-sg",
            vpc: this.vpc,
        })

        const lb = new elbv2.ApplicationLoadBalancer(this, 'alb-jenkins', {
            vpc: this.vpc,
            internetFacing: true
        });


        const listener = lb.addListener('alb-http-listener', {
            port: 80,
            open: true,
        });

        const userdata = ec2.UserData.forLinux()
        userdata.addCommands(`
amazon-linux-extras install epel -y
wget -O /etc/yum.repos.d/jenkins.repo https://pkg.jenkins.io/redhat-stable/jenkins.repo
rpm --import https://pkg.jenkins.io/redhat-stable/jenkins.io.key
yum upgrade -y
yum install java-11-amazon-corretto-headless jenkins git -y
systemctl daemon-reload
systemctl start jenkins
systemctl status jenkins
    `)

        this.jenkins_sg.addIngressRule(this.jenkins_sg, ec2.Port.tcp(22), 'Allow ssh access from the Jenkins systems');

        const asg = new autoscaling.AutoScalingGroup(this, 'jenkins-asg', {
            vpc: this.vpc,
            instanceType: ec2.InstanceType.of(ec2.InstanceClass.BURSTABLE3, ec2.InstanceSize.MEDIUM),
            machineImage: new ec2.AmazonLinuxImage({
                edition: AmazonLinuxEdition.STANDARD,
                generation: AmazonLinuxGeneration.AMAZON_LINUX_2
            }),
            maxCapacity: 1,
            minCapacity: 1,
            desiredCapacity: 1,
            userData: userdata,
            securityGroup: this.jenkins_sg,
            blockDevices: [{
                deviceName: "/dev/xvda",
                volume: autoscaling.BlockDeviceVolume.ebs(32, {volumeType: EbsDeviceVolumeType.GP2}),
            }]
        });
        asg.role.addManagedPolicy(iam.ManagedPolicy.fromAwsManagedPolicyName('AmazonSSMManagedInstanceCore'))

        listener.addTargets('jenkins-fleet', {
            port: 8080,
            targets: [asg],
            healthCheck: {
                path: '/login'
            }
        });

        new cdk.CfnOutput(this, 'asg-url', {
            value: lb.loadBalancerDnsName,
            description: 'Loadbalancer url', // Optional
            exportName: 'lb-url', // Registers a CloudFormation export named "TheAwesomeBucket"
        });
    }