# Setting up Amazon FSx for Lustre Setting up Before you use Amazon FSx for Lustre for the first time, complete the tasks in the [Sign up for Amazon Web Services](#setting-up-aws) section. To complete the [Getting started tutorial](getting-started.md), make sure the Amazon S3 bucket that you'll link to your file system has the permissions listed in [Adding permissions to use data repositories in Amazon S3](#fsx-adding-permissions-s3). **Topics** + [ ## Sign up for Amazon Web Services ](#setting-up-aws) + [ ## Adding permissions to use data repositories in Amazon S3 ](#fsx-adding-permissions-s3) + [ ## How FSx for Lustre checks for access to linked S3 buckets ](#fsx-lustre-permissions-s3-bucket) + [ ## Next step ](#setting-up-next-step) ## Sign up for Amazon Web Services To set up for AWS, complete the following tasks: 1. [Sign up for an AWS account](#sign-up-for-aws) 1. [Create a user with administrative access](#create-an-admin) ### Sign up for an AWS account If you do not have an AWS account, complete the following steps to create one. **To sign up for an AWS account** 1. Open [https://portal.aws.amazon.com/billing/signup](https://portal.aws.amazon.com/billing/signup). 1. Follow the online instructions. Part of the sign-up procedure involves receiving a phone call or text message and entering a verification code on the phone keypad. When you sign up for an AWS account, an *AWS account root user* is created. The root user has access to all AWS services and resources in the account. As a security best practice, assign administrative access to a user, and use only the root user to perform [tasks that require root user access](https://docs.aws.amazon.com/IAM/latest/UserGuide/id_root-user.html#root-user-tasks). AWS sends you a confirmation email after the sign-up process is complete. At any time, you can view your current account activity and manage your account by going to [https://aws.amazon.com/](https://aws.amazon.com/) and choosing **My Account**. ### Create a user with administrative access After you sign up for an AWS account, secure your AWS account root user, enable AWS IAM Identity Center, and create an administrative user so that you don't use the root user for everyday tasks. **Secure your AWS account root user** 1. Sign in to the [AWS Management Console](https://console.aws.amazon.com/) as the account owner by choosing **Root user** and entering your AWS account email address. On the next page, enter your password. For help signing in by using root user, see [Signing in as the root user](https://docs.aws.amazon.com/signin/latest/userguide/console-sign-in-tutorials.html#introduction-to-root-user-sign-in-tutorial) in the *AWS Sign-In User Guide*. 1. Turn on multi-factor authentication (MFA) for your root user. For instructions, see [Enable a virtual MFA device for your AWS account root user (console)](https://docs.aws.amazon.com/IAM/latest/UserGuide/enable-virt-mfa-for-root.html) in the *IAM User Guide*. **Create a user with administrative access** 1. Enable IAM Identity Center. For instructions, see [Enabling AWS IAM Identity Center](https://docs.aws.amazon.com//singlesignon/latest/userguide/get-set-up-for-idc.html) in the *AWS IAM Identity Center User Guide*. 1. In IAM Identity Center, grant administrative access to a user. For a tutorial about using the IAM Identity Center directory as your identity source, see [ Configure user access with the default IAM Identity Center directory](https://docs.aws.amazon.com//singlesignon/latest/userguide/quick-start-default-idc.html) in the *AWS IAM Identity Center User Guide*. **Sign in as the user with administrative access** + To sign in with your IAM Identity Center user, use the sign-in URL that was sent to your email address when you created the IAM Identity Center user. For help signing in using an IAM Identity Center user, see [Signing in to the AWS access portal](https://docs.aws.amazon.com/signin/latest/userguide/iam-id-center-sign-in-tutorial.html) in the *AWS Sign-In User Guide*. **Assign access to additional users** 1. In IAM Identity Center, create a permission set that follows the best practice of applying least-privilege permissions. For instructions, see [ Create a permission set](https://docs.aws.amazon.com//singlesignon/latest/userguide/get-started-create-a-permission-set.html) in the *AWS IAM Identity Center User Guide*. 1. Assign users to a group, and then assign single sign-on access to the group. For instructions, see [ Add groups](https://docs.aws.amazon.com//singlesignon/latest/userguide/addgroups.html) in the *AWS IAM Identity Center User Guide*. ## Adding permissions to use data repositories in Amazon S3 Amazon FSx for Lustre is deeply integrated with Amazon S3. This integration means that applications that access your FSx for Lustre file system can also seamlessly access the objects stored in your linked Amazon S3 bucket. For more information, see [Using data repositories with Amazon FSx for Lustre](fsx-data-repositories.md). To use data repositories, you must first allow Amazon FSx for Lustre certain IAM permissions in a role associated with the account for your administrator user. **To embed an inline policy for a role using the console** 1. Sign in to the AWS Management Console and open the IAM console at [https://console.aws.amazon.com/iam/](https://console.aws.amazon.com/iam/). 1. In the navigation pane, choose **Roles**. 1. In the list, choose the name of the role to embed a policy in. 1. Choose the **Permissions** tab. 1. Scroll to the bottom of the page and choose **Add inline policy**. **Note** You can't embed an inline policy in a service-linked role in IAM. Because the linked service defines whether you can modify the permissions of the role, you might be able to add additional policies from the service console, API, or AWS CLI. To view the service-linked role documentation for a service, see **AWS Services That Work with IAM** and choose **Yes** in the **Service-Linked Role** column for your service. 1. Choose **Creating Policies with the Visual Editor** 1. Add the following permissions policy statement. ------ #### [ JSON ] **** ``` { "Version":"2012-10-17", "Statement": { "Effect": "Allow", "Action": [ "iam:CreateServiceLinkedRole", "iam:AttachRolePolicy", "iam:PutRolePolicy" ], "Resource": "arn:aws:iam::*:role/aws-service-role/s3.data-source.lustre.fsx.amazonaws.com/*" } } ``` ------ After you create an inline policy, it is automatically embedded in your role. For more information about service-linked roles, see [Using service-linked roles for Amazon FSx](using-service-linked-roles.md). ## How FSx for Lustre checks for access to linked S3 buckets How FSx for Lustre checks access to S3 buckets If the IAM role that you use to create the FSx for Lustre file system does not have the `iam:AttachRolePolicy` and `iam:PutRolePolicy` permissions, then Amazon FSx checks whether it can update your S3 bucket policy. Amazon FSx can update your bucket policy if the `s3:PutBucketPolicy` permission is included in your IAM role to allow the Amazon FSx file system to import or export data to your S3 bucket. If allowed to modify the bucket policy, Amazon FSx adds the following permissions to the bucket policy: + `s3:AbortMultipartUpload` + `s3:DeleteObject` + `s3:PutObject` + `s3:Get*` + `s3:List*` + `s3:PutBucketNotification` + `s3:PutBucketPolicy` + `s3:DeleteBucketPolicy` If Amazon FSx can't modify the bucket policy, it then checks if the existing bucket policy grants Amazon FSx access to the bucket. If all of these options fail, then the request to create the file system fails. The following diagram illustrates the checks that Amazon FSx follows when determining whether a file system can access the S3 bucket to which it will be linked. ![\[Progression of checks that Amazon FSx uses to determine if it will have permission to import or export data to the S3 bucket to which it will be linked.\]](http://docs.aws.amazon.com/fsx/latest/LustreGuide/images/fsx-lustre-permissons-create-fs-linked-s3.png) ## Next step To get started using FSx for Lustre, see [Getting started with Amazon FSx for Lustre](getting-started.md) for instructions to create your Amazon FSx for Lustre resources.