index.ts

import * as pulumi from "@pulumi/pulumi";
import * as aws from "@pulumi/aws";
import * as awsx from "@pulumi/awsx";

import { projectName, creator, amiId, instanceCount } from "./config";

/**
 * Resources
 */
const baseTags = {
    project: projectName,
    creator: creator,
}

const privateNetwork = "10.0.0.0/16";
const publicInternet = "0.0.0.0/0";

// create a vpc
const vpc = new awsx.ec2.Vpc(`${projectName}-vpc`, {
    numberOfAvailabilityZones: 1,
    subnets: [{ type: "public" }],
    tags: {
        ...baseTags,
        // Name: `${projectName}-vpc`,
    },
});

// create a security group
const webSg = new aws.ec2.SecurityGroup(`${projectName}-sg`, {
    vpcId: vpc.id,
    name: "web-sg",
    ingress: [
        { protocol: "tcp", fromPort: 80, toPort: 80, cidrBlocks: [publicInternet] },
    ],
    tags: {
        ...baseTags,
        Name: `${projectName}-sg`,
    },
});

// create a instance
const one = new aws.ec2.Instance(`${projectName}-one`, {
    instanceType: aws.ec2.T2InstanceMedium,
    associatePublicIpAddress: true,
    ami: amiId,                     
    subnetId: vpc.publicSubnetIds[0],
    vpcSecurityGroupIds: [webSg.id], 
    tags: {
        ...baseTags,
        Name: `${projectName}-server`,
    },
});

const twoUserData = pulumi.interpolate`
IP Address: ${one.publicIp}
Subnet ID: ${vpc.publicSubnetIds[0]}
`;

const two = new aws.ec2.Instance(`${projectName}-two`, {
    instanceType: aws.ec2.T2InstanceMedium,
    associatePublicIpAddress: false,
    ami: amiId,                       
    subnetId: vpc.publicSubnetIds[0],
    vpcSecurityGroupIds: [webSg.id],
    userData: twoUserData,          
    tags: {
        ...baseTags,
        Name: `${projectName}-server`,
    },
});