Services or capabilities described in Amazon Web Services documentation might vary by Region. To see the differences applicable to the China Regions, see Getting Started with Amazon Web Services in China (PDF).

Amazon managed policies for Amazon IoT Greengrass

To add permissions to users, groups, and roles, it is easier to use Amazon managed policies than to write policies yourself. It takes time and expertise to create IAM customer managed policies that provide your team with only the permissions they need. To get started quickly, you can use our Amazon managed policies. These policies cover common use cases and are available in your Amazon Web Services account. For more information about Amazon managed policies, see Amazon managed policies in the IAM User Guide.

Amazon Web Services maintain and update Amazon managed policies. You can't change the permissions in Amazon managed policies. Services occasionally add additional permissions to an Amazon managed policy to support new features. This type of update affects all identities (users, groups, and roles) where the policy is attached. Services are most likely to update an Amazon managed policy when a new feature is launched or when new operations become available. Services do not remove permissions from an Amazon managed policy, so policy updates won't break your existing permissions.

Additionally, Amazon supports managed policies for job functions that span multiple services. For example, the ViewOnlyAccess Amazon managed policy provides read-only access to many Amazon Web Services and resources. When a service launches a new feature, Amazon adds read-only permissions for new operations and resources. For a list and descriptions of job function policies, see Amazon managed policies for job functions in the IAM User Guide.

Amazon managed policy: AWSGreengrassFullAccess

You can attach the AWSGreengrassFullAccess policy to your IAM identities.

This policy grants administrative permissions that allow a principal full access to all Amazon IoT Greengrass actions.

Permissions details

This policy includes the following permissions:

{
    "Version": "2012-10-17",
    "Statement": [
        {
            "Effect": "Allow",
            "Action": [
                "greengrass:*"
            ],
            "Resource": "*"
        }
    ]
}

Amazon managed policy: AWSGreengrassReadOnlyAccess

You can attach the AWSGreengrassReadOnlyAccess policy to your IAM identities.

This policy grants read-only permissions that allow a principal to view, but not modify, information in Amazon IoT Greengrass. For example, principals with these permissions can view the list of components deployed to a Greengrass core device, but can't create a deployment to change the components that run on that device.

Permissions details

This policy includes the following permissions:

{
    "Version": "2012-10-17",
    "Statement": [
        {
            "Effect": "Allow",
            "Action": [
                "greengrass:List*",
                "greengrass:Get*"
            ],
            "Resource": "*"
        }
    ]
}

Amazon managed policy: AWSGreengrassResourceAccessRolePolicy

You can attach the AWSGreengrassResourceAccessRolePolicy policy to your IAM entities. Amazon IoT Greengrass also attaches this policy to a service role that allows Amazon IoT Greengrass to perform actions on your behalf. For more information, see Greengrass service role.

This policy grants administrative permissions that allow Amazon IoT Greengrass to perform essential tasks, such as retrieving your Lambda functions, managing Amazon IoT device shadows, and verifying Greengrass client devices.

Permissions details

This policy includes the following permissions.

{
    "Version": "2012-10-17",
    "Statement": [
        {
            "Sid": "AllowGreengrassAccessToShadows",
            "Action": [
                "iot:DeleteThingShadow",
                "iot:GetThingShadow",
                "iot:UpdateThingShadow"
            ],
            "Effect": "Allow",
            "Resource": [
                "arn:aws:iot:*:*:thing/GG_*",
                "arn:aws:iot:*:*:thing/*-gcm",
                "arn:aws:iot:*:*:thing/*-gda",
                "arn:aws:iot:*:*:thing/*-gci"
            ]
        },
        {
            "Sid": "AllowGreengrassToDescribeThings",
            "Action": [
                "iot:DescribeThing"
            ],
            "Effect": "Allow",
            "Resource": "arn:aws:iot:*:*:thing/*"
        },
        {
            "Sid": "AllowGreengrassToDescribeCertificates",
            "Action": [
                "iot:DescribeCertificate"
            ],
            "Effect": "Allow",
            "Resource": "arn:aws:iot:*:*:cert/*"
        },
        {
            "Sid": "AllowGreengrassToCallGreengrassServices",
            "Action": [
                "greengrass:*"
            ],
            "Effect": "Allow",
            "Resource": "*"
        },
        {
            "Sid": "AllowGreengrassToGetLambdaFunctions",
            "Action": [
                "lambda:GetFunction",
                "lambda:GetFunctionConfiguration"
            ],
            "Effect": "Allow",
            "Resource": "*"
        },
        {
            "Sid": "AllowGreengrassToGetGreengrassSecrets",
            "Action": [
                "secretsmanager:GetSecretValue"
            ],
            "Effect": "Allow",
            "Resource": "arn:aws:secretsmanager:*:*:secret:greengrass-*"
        },
        {
            "Sid": "AllowGreengrassAccessToS3Objects",
            "Action": [
                "s3:GetObject"
            ],
            "Effect": "Allow",
            "Resource": [
                "arn:aws:s3:::*Greengrass*",
                "arn:aws:s3:::*GreenGrass*",
                "arn:aws:s3:::*greengrass*",
                "arn:aws:s3:::*Sagemaker*",
                "arn:aws:s3:::*SageMaker*",
                "arn:aws:s3:::*sagemaker*"
            ]
        },
        {
            "Sid": "AllowGreengrassAccessToS3BucketLocation",
            "Action": [
                "s3:GetBucketLocation"
            ],
            "Effect": "Allow",
            "Resource": "*"
        },
        {
            "Sid": "AllowGreengrassAccessToSageMakerTrainingJobs",
            "Action": [
                "sagemaker:DescribeTrainingJob"
            ],
            "Effect": "Allow",
            "Resource": [
                "arn:aws:sagemaker:*:*:training-job/*"
            ]
        }
    ]
}

Amazon IoT Greengrass updates to Amazon managed policies

You can view details about updates to Amazon managed policies for Amazon IoT Greengrass from the time this service began tracking these changes. For automatic alerts about changes to this page, subscribe to the RSS feed on the Amazon IoT Greengrass V2 document history page.