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  2. Managing EC2 Snapshot Permissions via IAM Roles

How do I manage EC2 snapshot permissions via IAM roles?

In this guide, we will demonstrate how to manage EC2 snapshot permissions using IAM roles in AWS with Pulumi. We’ll create an IAM role with a policy that allows specific actions on EC2 snapshots and then create an EC2 snapshot to which the role’s permissions will apply.

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

// Create an IAM role
const snapshotRole = new aws.iam.Role("snapshotRole", {
    assumeRolePolicy: JSON.stringify({
        Version: "2012-10-17",
        Statement: [{
            Action: "sts:AssumeRole",
            Effect: "Allow",
            Principal: {
                Service: "ec2.amazonaws.com",
            },
        }],
    }),
});

// Attach a policy to the role that allows snapshot management
const snapshotPolicy = new aws.iam.RolePolicy("snapshotPolicy", {
    role: snapshotRole.id,
    policy: JSON.stringify({
        Version: "2012-10-17",
        Statement: [{
            Action: [
                "ec2:CreateSnapshot",
                "ec2:DeleteSnapshot",
                "ec2:DescribeSnapshots",
                "ec2:ModifySnapshotAttribute",
            ],
            Effect: "Allow",
            Resource: "*",
        }],
    }),
});

// Create an EC2 volume
const volume = new aws.ebs.Volume("myVolume", {
    availabilityZone: "us-west-2a",
    size: 8, // Size in GiB
});

// Create a snapshot of the volume
const snapshot = new aws.ebs.Snapshot("mySnapshot", {
    volumeId: volume.id,
    tags: {
        Name: "MyVolumeSnapshot",
    },
});

// Export the snapshot ID
export const snapshotId = snapshot.id;

Key Points

  1. IAM Role Creation: We created an IAM role that can be assumed by EC2 instances.
  2. Policy Attachment: We attached a policy to the role that allows creating, deleting, describing, and modifying EC2 snapshots.
  3. EC2 Volume and Snapshot: We created an EC2 volume and a snapshot of that volume.
  4. Snapshot ID Export: We exported the snapshot ID for reference.

Summary

In this guide, we demonstrated how to manage EC2 snapshot permissions using IAM roles in AWS with Pulumi. We created an IAM role with a policy for snapshot management, created an EC2 volume, took a snapshot of that volume, and exported the snapshot ID. This setup allows you to manage EC2 snapshots securely using IAM roles.

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