How do I set up a Rancher cluster using Pulumi?
Setting up a Rancher cluster involves initializing several key resources such as Kubernetes nodes, the Rancher server, and necessary networking components. The following example guides you through provisioning these resources.
import * as pulumi from "@pulumi/pulumi";
import * as aws from "@pulumi/aws";
// VPC setup
const main = new aws.ec2.Vpc("main", {cidrBlock: "10.0.0.0/16"});
const mainSubnet = new aws.ec2.Subnet("main", {
vpcId: main.id,
cidrBlock: "10.0.1.0/24",
});
// Security group allowing necessary ports
const rancher = new aws.ec2.SecurityGroup("rancher", {
vpcId: main.id,
ingress: [
{
fromPort: 80,
toPort: 80,
protocol: "tcp",
cidrBlocks: ["0.0.0.0/0"],
},
{
fromPort: 443,
toPort: 443,
protocol: "tcp",
cidrBlocks: ["0.0.0.0/0"],
},
],
egress: [{
fromPort: 0,
toPort: 0,
protocol: "-1",
cidrBlocks: ["0.0.0.0/0"],
}],
});
// EC2 instance for Rancher server
const rancherServer = new aws.ec2.Instance("rancher_server", {
ami: "ami-0c55b159cbfafe1f0",
instanceType: aws.ec2.InstanceType.T2_Medium,
subnetId: mainSubnet.id,
securityGroups: [rancher.name],
tags: {
Name: "RancherServer",
},
userData: `#!/bin/bash
sudo docker run -d --restart=unless-stopped -p 80:80 -p 443:443 rancher/rancher:latest
`,
});
export const rancherServerIp = rancherServer.publicIp;
In summary, this example sets up a Virtual Private Cloud (VPC) with a subnet, configures a security group to allow necessary traffic, and provisions an EC2 instance to run the Rancher server. This server will be accessible via the public IP address provided in the outputs.
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