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  2. Automate AWS Data Backup with Step Functions

How Do I Automate Data Backup Workflows Using AWS Backup and Step Functions?

In this guide, we will automate data backup workflows using AWS Backup and AWS Step Functions. AWS Backup will handle the backup of AWS resources, while AWS Step Functions will orchestrate the backup and restore processes.

Key Points

  • AWS Backup: Manages and automates backups across AWS services.
  • AWS Step Functions: Orchestrates the backup and restore workflows.
  • Pulumi: Infrastructure as code tool to define and manage cloud resources.

Steps

  1. Create an AWS Backup Vault: This is where backup data will be stored.
  2. Define an AWS Backup Plan: Specifies the backup rules and schedules.
  3. Create an AWS Step Functions State Machine: Orchestrates the backup and restore processes.
import * as pulumi from "@pulumi/pulumi";
import * as aws from "@pulumi/aws";

// Create a Backup Vault
const backupVault = new aws.backup.Vault("exampleBackupVault", {
    name: "example-backup-vault",
    tags: {
        Environment: "Production",
    },
});

// Define a Backup Plan
const backupPlan = new aws.backup.Plan("exampleBackupPlan", {
    name: "example-backup-plan",
    rules: [{
        ruleName: "daily-backup",
        targetVaultName: backupVault.name,
        schedule: "cron(0 12 * * ? *)", // Daily at 12:00 UTC
        lifecycle: {
            deleteAfter: 30, // Retain backups for 30 days
        },
    }],
    advancedBackupSettings: [{
        resourceType: "EC2",
        backupOptions: {
            WindowsVSS: "enabled",
        },
    }],
    tags: {
        Environment: "Production",
    },
});

// Step Functions Role
const stepFunctionsRole = new aws.iam.Role("exampleStepFunctionsRole", {
    assumeRolePolicy: aws.iam.assumeRolePolicyForPrincipal({ Service: "states.amazonaws.com" }),
});

new aws.iam.RolePolicyAttachment("exampleStepFunctionsRolePolicy", {
    role: stepFunctionsRole,
    policyArn: aws.iam.ManagedPolicies.AWSLambdaBasicExecutionRole,
});

// Step Functions State Machine
const stateMachineDefinition = {
    StartAt: "Backup",
    States: {
        Backup: {
            Type: "Task",
            Resource: "arn:aws:states:::aws-sdk:backup:startBackupJob",
            Parameters: {
                BackupVaultName: backupVault.name,
                ResourceArn: "arn:aws:ec2:region:account-id:instance/instance-id", // Replace with actual resource ARN
                IamRoleArn: stepFunctionsRole.arn,
            },
            End: true,
        },
    },
};

const stateMachine = new aws.sfn.StateMachine("exampleStateMachine", {
    definition: JSON.stringify(stateMachineDefinition),
    roleArn: stepFunctionsRole.arn,
});

Summary

In this guide, we automated data backup workflows using AWS Backup and AWS Step Functions with Pulumi. We created a backup vault, defined a backup plan, and set up a Step Functions state machine to orchestrate the backup process. This setup ensures that backups are automated and managed efficiently, providing a reliable disaster recovery solution.

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