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Showing content from https://docs.aws.amazon.com/AmazonS3/latest/userguide/metadata-tables-permissions.html below:

Setting up permissions for configuring metadata tables

To create a metadata table configuration, you must have the necessary AWS Identity and Access Management (IAM) permissions to both create and manage your metadata table configuration and to create and manage your metadata tables and the table bucket where your metadata tables are stored.

To create and manage your metadata table configuration, you must have these permissions:

• s3:CreateBucketMetadataTableConfiguration – This permission allows you to create a metadata table configuration for your general purpose bucket. To create a metadata table configuration, additional permissions, including S3 Tables permissions, are required, as explained in the following sections. For a summary of the required permissions, see Bucket operations and permissions.

• s3:GetBucketMetadataTableConfiguration – This permission allows you to retrieve information about your metadata table configuration.

• s3:DeleteBucketMetadataTableConfiguration – This permission allows you to delete your metadata table configuration.

• s3:UpdateBucketMetadataJournalTableConfiguration – This permission allows you to update your journal table configuration to expire journal table records.

• s3:UpdateBucketMetadataInventoryTableConfiguration – This permission allows you to update your inventory table configuration to enable or disable the inventory table. To update an inventory table configuration, additional permissions, including S3 Tables permissions, are required. For a list of the required permissions, see Bucket operations and permissions.

  Note

  The s3:CreateBucketMetadataTableConfiguration, s3:GetBucketMetadataTableConfiguration, and s3:DeleteBucketMetadataTableConfiguration permissions are used for both V1 and V2 S3 Metadata configurations. For V2, the names of the corresponding API operations are CreateBucketMetadataConfiguration, GetBucketMetadataConfiguration, and DeleteBucketMetadataConfiguration.

To create and work with tables and table buckets, you must have certain s3tables permissions. At a minimum, to create a metadata table configuration, you must have the following s3tables permissions:

• s3tables:CreateTableBucket – This permission allows you to create an AWS managed table bucket. All metadata table configurations in your account and in the same Region are stored in a single AWS managed table bucket named aws-s3. For more information, see How metadata tables work and Working with AWS managed table buckets.

• s3tables:CreateNamespace – This permission allows you to create a namespace in a table bucket. Metadata tables typically use the b_general_purpose_bucket_name namespace. For more information about metadata table namespaces, see How metadata tables work.

• s3tables:CreateTable – This permission allows you to create your metadata tables.

• s3tables:GetTable – This permission allows you to retrieve information about your metadata tables.

• s3tables:PutTablePolicy – This permission allows you to add or update your metadata table policies.

• s3tables:PutTableEncryption – This permission allows you to set server-side encryption for your metadata tables. Additional permissions are required if you want to encrypt your metadata tables with server-side encryption with AWS Key Management Service (AWS KMS) keys (SSE-KMS). For more information, see Permissions for SSE-KMS.

• kms:DescribeKey – This permission allows you to retrieve information about a KMS key.

For detailed information about all table and table bucket permissions, see Access management for S3 Tables.

To encrypt your metadata tables with server-side encryption with AWS Key Management Service (AWS KMS) keys (SSE-KMS), you must have additional permissions.

1. The user or AWS Identity and Access Management (IAM) role needs the following permissions. You can grant these permissions by using the IAM console: https://console.aws.amazon.com/iam/.

   1. s3tables:PutTableEncryption to configure table encryption

   2. kms:DescribeKey on the AWS KMS key used

2. On the resource policy for the KMS key, you need the following permissions. You can grant these permissions by using the AWS KMS console: https://console.aws.amazon.com/kms.

   1. Grant kms:GenerateDataKey permission to metadata.s3.amazonaws.com and maintenance.s3tables.amazonaws.com.

   2. Grant kms:Decrypt permission to metadata.s3.amazonaws.com and maintenance.s3tables.amazonaws.com.

   3. Grant kms:DescribeKey permission to the invoking AWS principal.

In addition to these permissions, make sure that the customer managed KMS key used to encrypt the tables still exists, is active, is in the same Region as your general purpose bucket.

To create and work with metadata tables and table buckets, you can use the following example policy. In this policy, the general purpose bucket that you're applying the metadata table configuration to is referred to as amzn-s3-demo-bucket. To use this policy, replace the user input placeholders with your own information.

When you create your metadata table configuration, your metadata tables are stored in an AWS managed table bucket. All metadata table configurations in your account and in the same Region are stored in a single AWS managed table bucket named aws-s3.

JSON

{
    "Version": "2012-10-17",
    "Statement": [
        {
            "Sid": "PermissionsToWorkWithMetadataTables",
            "Effect": "Allow",
            "Action": [
                "s3:CreateBucketMetadataTableConfiguration",
                "s3:GetBucketMetadataTableConfiguration",
                "s3:DeleteBucketMetadataTableConfiguration",
                "s3:UpdateBucketMetadataJournalTableConfiguration",
                "s3:UpdateBucketMetadataInventoryTableConfiguration",
                "s3tables:*",
                "kms:DescribeKey"
            ],
            "Resource": [
                "arn:aws:s3:::bucket/amzn-s3-demo-bucket",
                "arn:aws:s3tables:us-east-1:111122223333:bucket/aws-s3",
                "arn:aws:s3tables:us-east-1:111122223333:bucket/aws-s3/table/*"
            ]
        }
    ]
}

To query metadata tables, you can use the following example policy. If your metadata tables have been encrypted with SSE-KMS, you will need the kms:Decrypt permission as shown. To use this policy, replace the user input placeholders with your own information.

JSON

{
    "Version": "2012-10-17",
    "Statement": [
        {
            "Sid": "PermissionsToQueryMetadataTables",
            "Effect": "Allow",
            "Action": [
                "s3tables:GetTable",
                "s3tables:GetTableData",
                "s3tables:GetTableMetadataLocation",
                "kms:Decrypt"
            ],
            "Resource": [
                "arn:aws:s3tables:us-east-1:111122223333:bucket/aws-s3",
                "arn:aws:s3tables:us-east-1:111122223333:bucket/aws-s3/table/*"
            ]
        }
    ]
}

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