AWSDataSyncReadOnlyAccess

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Summary

Provides read-only access to AWS DataSync

Permissions imported from the AWS Managed Policy Reference Guide; other sections pending editorial review.

Identity

ARN: arn:aws:iam::aws:policy/AWSDataSyncReadOnlyAccess
Default version: v3
Created: 2019-01-18
Last edited: 2020-06-30
Services: datasync, ec2, elasticfilesystem, fsx, iam, logs, s3

Control-plane actions (35)

By access level: 15 List, 20 Read.

Control-plane actions by service
Service	Granted	Access levels and limits	Granted by
DataSync	25 of 66	8 List, 17 Read; 0 restricted, 0 conditional	datasync:Describe, datasync:List
EC2	2 of 834	2 List; 0 restricted, 0 conditional	ec2:DescribeSecurityGroups, ec2:DescribeSubnets
EFS	2 of 38	1 List, 1 Read; 0 restricted, 0 conditional	elasticfilesystem:DescribeFileSystems, elasticfilesystem:DescribeMountTargets
FSx	1 of 56	1 Read; 0 restricted, 0 conditional	fsx:DescribeFileSystems
IAM	2 of 190	1 List, 1 Read; 0 restricted, 0 conditional	iam:GetRole, iam:ListRoles
CloudWatch Logs	2 of 133	2 List; 0 restricted, 0 conditional	logs:DescribeLogGroups, logs:DescribeResourcePolicies
S3	1 of 155	1 List; 0 restricted, 0 conditional	s3:ListAllMyBuckets

DataSync: 25 actions

datasync:DescribeAgent (Read)
datasync:DescribeDiscoveryJob (Read)
datasync:DescribeLocationAzureBlob (Read)
datasync:DescribeLocationEfs (Read)
datasync:DescribeLocationFsxLustre (Read)
datasync:DescribeLocationFsxOntap (Read)
datasync:DescribeLocationFsxOpenZfs (Read)
datasync:DescribeLocationFsxWindows (Read)
datasync:DescribeLocationHdfs (Read)
datasync:DescribeLocationNfs (Read)
datasync:DescribeLocationObjectStorage (Read)
datasync:DescribeLocationS3 (Read)
datasync:DescribeLocationSmb (Read)
datasync:DescribeStorageSystem (Read)
datasync:DescribeStorageSystemResourceMetrics (List)
datasync:DescribeStorageSystemResources (List)
datasync:DescribeTask (Read)
datasync:DescribeTaskExecution (Read)
datasync:ListAgents (List)
datasync:ListDiscoveryJobs (List)
datasync:ListLocations (List)
datasync:ListStorageSystems (List)
datasync:ListTagsForResource (Read)
datasync:ListTaskExecutions (List)
datasync:ListTasks (List)

EC2: 2 actions

ec2:DescribeSecurityGroups (List)
ec2:DescribeSubnets (List)

EFS: 2 actions

elasticfilesystem:DescribeFileSystems (List)
elasticfilesystem:DescribeMountTargets (Read)

FSx: 1 actions

fsx:DescribeFileSystems (Read)

IAM: 2 actions

iam:GetRole (Read)
iam:ListRoles (List)

CloudWatch Logs: 2 actions

logs:DescribeLogGroups (List)
logs:DescribeResourcePolicies (List)

S3: 1 actions

s3:ListAllMyBuckets (List)

Data-plane actions (1)

By access level: 1 List.

Data-plane actions by service
Service	Granted	Access levels and limits	Granted by
S3	1 of 25	1 List; 0 restricted, 0 conditional	s3:ListBucket

S3: 1 actions

s3:ListBucket (List)

Excluded and conditional actions

No patterns are excluded by NotAction or Deny statements.

Resource scope and attachment

Resource scope across granted actions: all-resources.

Can be attached: Yes, to users, groups and roles.

Why this tier

Grants only List and Read actions.

Guidance

Pending editorial review. The permission data on this page comes straight from AWS; this section will be filled in once a reviewed guide exists.

Same service

Same domain

Frequently asked questions

Pending editorial review. The permission data on this page comes straight from AWS; this section will be filled in once a reviewed guide exists.

Policy JSON

Download policy.json

{
  "Version": "2012-10-17",
  "Statement": [
    {
      "Effect": "Allow",
      "Action": [
        "datasync:Describe*",
        "datasync:List*",
        "ec2:DescribeSecurityGroups",
        "ec2:DescribeSubnets",
        "elasticfilesystem:DescribeFileSystems",
        "elasticfilesystem:DescribeMountTargets",
        "fsx:DescribeFileSystems",
        "iam:GetRole",
        "iam:ListRoles",
        "logs:DescribeLogGroups",
        "logs:DescribeResourcePolicies",
        "s3:ListAllMyBuckets",
        "s3:ListBucket"
      ],
      "Resource": "*"
    }
  ]
}

Version history

Current version v3, edited by AWS on 2020-06-30. Version history is recorded from 2026-11-11. Earlier versions are in the IAM console under Policy versions.

Attach snippets

AWS CLI

aws iam attach-role-policy --role-name ROLE_NAME --policy-arn arn:aws:iam::aws:policy/AWSDataSyncReadOnlyAccess
aws iam attach-user-policy --user-name USER_NAME --policy-arn arn:aws:iam::aws:policy/AWSDataSyncReadOnlyAccess
aws iam attach-group-policy --group-name GROUP_NAME --policy-arn arn:aws:iam::aws:policy/AWSDataSyncReadOnlyAccess

CloudFormation

Resources:
  ExampleRole:
    Type: AWS::IAM::Role
    Properties:
      AssumeRolePolicyDocument: {}  # replace with your trust policy
      ManagedPolicyArns:
        - arn:aws:iam::aws:policy/AWSDataSyncReadOnlyAccess

Terraform

resource "aws_iam_role_policy_attachment" "awsdatasyncreadonlyaccess" {
  role       = aws_iam_role.example.name
  policy_arn = "arn:aws:iam::aws:policy/AWSDataSyncReadOnlyAccess"
}

CDK (TypeScript)

role.addManagedPolicy(
  iam.ManagedPolicy.fromAwsManagedPolicyName("AWSDataSyncReadOnlyAccess"),
);

Sources

Pending editorial review. No editorial sources are listed yet.