AmazonRDSCustomInstanceProfileRolePolicy

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Summary

Allows Amazon RDS Custom to perform various automation actions and database management tasks through an EC2 instance profile.

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

Identity

ARN: arn:aws:iam::aws:policy/AmazonRDSCustomInstanceProfileRolePolicy
Default version: v4
Created: 2024-02-27
Last edited: 2026-02-12
Services: cloudwatch, ec2, ec2messages, events, kms, logs, s3, secretsmanager, sqs, ssm, ssmmessages

Control-plane actions (34)

By access level: 2 List, 10 Read, 2 Tagging, 20 Write.

Control-plane actions by service
Service	Granted	Access levels and limits	Granted by
EC2	5 of 834	1 Tagging, 4 Write; 5 restricted, 5 conditional	ec2:AssignPrivateIpAddresses, ec2:CreateSnapshot, ec2:CreateSnapshots, ec2:CreateTags, ec2:UnassignPrivateIpAddresses
EC2 Messages	All 6 actions (see the EC2 Messages page)	2 Read, 4 Write; 0 restricted, 0 conditional	ec2messages:AcknowledgeMessage, ec2messages:DeleteMessage, ec2messages:FailMessage, ec2messages:GetEndpoint, ec2messages:GetMessages, ec2messages:SendReply
KMS	2 of 58	2 Write; 2 restricted, 2 conditional	kms:Decrypt, kms:GenerateDataKey
CloudWatch Logs	5 of 133	1 List, 4 Write; 5 restricted, 0 conditional	logs:CreateLogGroup, logs:CreateLogStream, logs:DescribeLogStreams, logs:PutLogEvents, logs:PutRetentionPolicy
S3	1 of 155	1 List; 1 restricted, 1 conditional	s3:ListBucketMultipartUploads
Secrets Manager	4 of 27	2 Read, 1 Tagging, 1 Write; 4 restricted, 4 conditional	secretsmanager:CreateSecret, secretsmanager:DescribeSecret, secretsmanager:GetSecretValue, secretsmanager:TagResource
SQS	4 of 20	2 Read, 2 Write; 4 restricted, 4 conditional	sqs:DeleteMessage, sqs:GetQueueUrl, sqs:ReceiveMessage, sqs:SendMessage
Systems Manager	5 of 164	4 Read, 1 Write; 3 restricted, 1 conditional	ssm:DescribeDocument, ssm:GetDocument, ssm:GetManifest, ssm:PutConfigurePackageResult, ssm:UpdateInstanceInformation
SSM Messages	2 of 4	2 Write; 0 restricted, 0 conditional	ssmmessages:CreateControlChannel, ssmmessages:OpenControlChannel

EC2: 5 actions

ec2:AssignPrivateIpAddresses (Write)
ec2:CreateSnapshot (Write)
ec2:CreateSnapshots (Write)
ec2:CreateTags (Tagging)
ec2:UnassignPrivateIpAddresses (Write)

KMS: 2 actions

kms:Decrypt (Write)
kms:GenerateDataKey (Write)

CloudWatch Logs: 5 actions

logs:CreateLogGroup (Write)
logs:CreateLogStream (Write)
logs:DescribeLogStreams (List)
logs:PutLogEvents (Write)
logs:PutRetentionPolicy (Write)

S3: 1 actions

s3:ListBucketMultipartUploads (List)

Secrets Manager: 4 actions

secretsmanager:CreateSecret (Write)
secretsmanager:DescribeSecret (Read)
secretsmanager:GetSecretValue (Read)
secretsmanager:TagResource (Tagging)

SQS: 4 actions

sqs:DeleteMessage (Write)
sqs:GetQueueUrl (Read)
sqs:ReceiveMessage (Read)
sqs:SendMessage (Write)

Systems Manager: 5 actions

ssm:DescribeDocument (Read)
ssm:GetDocument (Read)
ssm:GetManifest (Read)
ssm:PutConfigurePackageResult (Read)
ssm:UpdateInstanceInformation (Write)

SSM Messages: 2 actions

ssmmessages:CreateControlChannel (Write)
ssmmessages:OpenControlChannel (Write)

Data-plane actions (8)

By access level: 2 List, 2 Read, 4 Write.

Data-plane actions by service
Service	Granted	Access levels and limits	Granted by
CloudWatch	1 of 5	1 Write; 1 restricted, 1 conditional	cloudwatch:PutMetricData
EventBridge	1 of 3	1 Write; 1 restricted, 0 conditional	events:PutEvents
S3	6 of 25	2 List, 2 Read, 2 Write; 6 restricted, 6 conditional	s3:AbortMultipartUpload, s3:ListBucketVersions, s3:ListMultipartUploadParts, s3:getObject, s3:getObjectVersion, s3:putObject

CloudWatch: 1 actions

cloudwatch:PutMetricData (Write)

EventBridge: 1 actions

events:PutEvents (Write)

S3: 6 actions

s3:AbortMultipartUpload (Write)
s3:GetObject (Read)
s3:GetObjectVersion (Read)
s3:ListBucketVersions (List)
s3:ListMultipartUploadParts (List)
s3:PutObject (Write)

Excluded and conditional actions

No patterns are excluded by NotAction or Deny statements.

Resource scope and attachment

Resource scope across granted actions: mixed.

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

Why this tier

Grants 26 write, tagging or permissions-management actions, short of full control of any service.
Grants data-plane write actions on a data store, but only for scoped resources or under conditions.

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": [
    {
      "Sid": "ssmAgentPermission1",
      "Effect": "Allow",
      "Action": [
        "ssm:UpdateInstanceInformation"
      ],
      "Resource": "arn:aws:ec2:*:*:instance/*",
      "Condition": {
        "StringLike": {
          "aws:ResourceTag/AWSRDSCustom": [
            "custom-oracle",
            "custom-sqlserver",
            "custom-oracle-rac"
          ]
        }
      }
    },
    {
      "Sid": "ssmAgentPermission2",
      "Effect": "Allow",
      "Action": [
        "ssm:GetManifest",
        "ssm:PutConfigurePackageResult"
      ],
      "Resource": "*"
    },
    {
      "Sid": "ssmAgentPermission3",
      "Effect": "Allow",
      "Action": [
        "ssm:GetDocument",
        "ssm:DescribeDocument"
      ],
      "Resource": "arn:aws:ssm:*:*:document/*"
    },
    {
      "Sid": "ssmAgentPermission4",
      "Effect": "Allow",
      "Action": [
        "ssmmessages:CreateControlChannel",
        "ssmmessages:OpenControlChannel"
      ],
      "Resource": "*"
    },
    {
      "Sid": "ssmAgentPermission5",
      "Effect": "Allow",
      "Action": [
        "ec2messages:AcknowledgeMessage",
        "ec2messages:DeleteMessage",
        "ec2messages:FailMessage",
        "ec2messages:GetEndpoint",
        "ec2messages:GetMessages",
        "ec2messages:SendReply"
      ],
      "Resource": "*"
    },
    {
      "Sid": "createEc2SnapshotPermission1",
      "Effect": "Allow",
      "Action": [
        "ec2:CreateSnapshot",
        "ec2:CreateSnapshots"
      ],
      "Resource": [
        "arn:aws:ec2:*:*:volume/*"
      ],
      "Condition": {
        "StringLike": {
          "aws:ResourceTag/AWSRDSCustom": [
            "custom-oracle",
            "custom-sqlserver",
            "custom-oracle-rac"
          ]
        }
      }
    },
    {
      "Sid": "createEc2SnapshotPermission2",
      "Effect": "Allow",
      "Action": [
        "ec2:CreateSnapshot",
        "ec2:CreateSnapshots"
      ],
      "Resource": [
        "arn:aws:ec2:*::snapshot/*"
      ],
      "Condition": {
        "StringLike": {
          "aws:RequestTag/AWSRDSCustom": [
            "custom-oracle",
            "custom-sqlserver",
            "custom-oracle-rac"
          ]
        }
      }
    },
    {
      "Sid": "createEc2SnapshotPermission3",
      "Effect": "Allow",
      "Action": "ec2:CreateSnapshots",
      "Resource": [
        "arn:aws:ec2:*:*:instance/*"
      ],
      "Condition": {
        "StringLike": {
          "aws:ResourceTag/AWSRDSCustom": [
            "custom-oracle",
            "custom-sqlserver",
            "custom-oracle-rac"
          ]
        }
      }
    },
    {
      "Sid": "createTagForEc2SnapshotPermission",
      "Effect": "Allow",
      "Action": "ec2:CreateTags",
      "Resource": "*",
      "Condition": {
        "StringLike": {
          "aws:RequestTag/AWSRDSCustom": [
            "custom-oracle",
            "custom-sqlserver",
            "custom-oracle-rac"
          ],
          "ec2:CreateAction": [
            "CreateSnapshot",
            "CreateSnapshots"
          ]
        }
      }
    },
    {
      "Sid": "rdsCustomS3ObjectPermission",
      "Effect": "Allow",
      "Action": [
        "s3:putObject",
        "s3:getObject",
        "s3:getObjectVersion",
        "s3:AbortMultipartUpload",
        "s3:ListMultipartUploadParts"
      ],
      "Resource": [
        "arn:aws:s3:::do-not-delete-rds-custom-*/*"
      ],
      "Condition": {
        "StringEquals": {
          "aws:ResourceAccount": "${aws:PrincipalAccount}"
        }
      }
    },
    {
      "Sid": "rdsCustomS3BucketPermission",
      "Effect": "Allow",
      "Action": [
        "s3:ListBucketVersions",
        "s3:ListBucketMultipartUploads"
      ],
      "Resource": [
        "arn:aws:s3:::do-not-delete-rds-custom-*"
      ],
      "Condition": {
        "StringEquals": {
          "aws:ResourceAccount": "${aws:PrincipalAccount}"
        }
      }
    },
    {
      "Sid": "readSecretsFromCpPermission",
      "Effect": "Allow",
      "Action": [
        "secretsmanager:GetSecretValue",
        "secretsmanager:DescribeSecret"
      ],
      "Resource": [
        "arn:aws:secretsmanager:*:*:secret:do-not-delete-rds-custom-*",
        "arn:aws:secretsmanager:*:*:secret:rds-custom!*"
      ],
      "Condition": {
        "StringLike": {
          "aws:ResourceTag/AWSRDSCustom": [
            "custom-oracle",
            "custom-sqlserver",
            "custom-oracle-rac"
          ]
        }
      }
    },
    {
      "Sid": "createSecretsOnDpPermission",
      "Effect": "Allow",
      "Action": [
        "secretsmanager:CreateSecret",
        "secretsmanager:TagResource"
      ],
      "Resource": [
        "arn:aws:secretsmanager:*:*:secret:do-not-delete-rds-custom-*"
      ],
      "Condition": {
        "StringLike": {
          "aws:RequestTag/AWSRDSCustom": "custom-oracle-rac"
        }
      }
    },
    {
      "Sid": "publishCwMetricsPermission",
      "Effect": "Allow",
      "Action": "cloudwatch:PutMetricData",
      "Resource": "*",
      "Condition": {
        "StringEquals": {
          "cloudwatch:namespace": [
            "rdscustom/rds-custom-sqlserver-agent",
            "RDSCustomForOracle/Agent"
          ]
        }
      }
    },
    {
      "Sid": "putEventsToEventBusPermission",
      "Effect": "Allow",
      "Action": "events:PutEvents",
      "Resource": "arn:aws:events:*:*:event-bus/default"
    },
    {
      "Sid": "cwlUploadPermission",
      "Effect": "Allow",
      "Action": [
        "logs:PutRetentionPolicy",
        "logs:PutLogEvents",
        "logs:DescribeLogStreams",
        "logs:CreateLogStream",
        "logs:CreateLogGroup"
      ],
      "Resource": "arn:aws:logs:*:*:log-group:rds-custom-instance-*"
    },
    {
      "Sid": "sendMessageToSqsQueuePermission",
      "Effect": "Allow",
      "Action": [
        "sqs:SendMessage",
        "sqs:ReceiveMessage",
        "sqs:DeleteMessage",
        "sqs:GetQueueUrl"
      ],
      "Resource": [
        "arn:aws:sqs:*:*:do-not-delete-rds-custom-*"
      ],
      "Condition": {
        "StringLike": {
          "aws:ResourceTag/AWSRDSCustom": "custom-sqlserver"
        }
      }
    },
    {
      "Sid": "managePrivateIpOnEniPermission",
      "Effect": "Allow",
      "Action": [
        "ec2:AssignPrivateIpAddresses",
        "ec2:UnassignPrivateIpAddresses"
      ],
      "Resource": "arn:aws:ec2:*:*:network-interface/*",
      "Condition": {
        "StringLike": {
          "aws:ResourceTag/AWSRDSCustom": "custom-oracle-rac"
        }
      }
    },
    {
      "Sid": "kmsPermissionWithSecret",
      "Effect": "Allow",
      "Action": [
        "kms:Decrypt",
        "kms:GenerateDataKey"
      ],
      "Resource": "*",
      "Condition": {
        "ArnLike": {
          "kms:EncryptionContext:SecretARN": [
            "arn:aws:secretsmanager:*:*:secret:do-not-delete-rds-custom-*",
            "arn:aws:secretsmanager:*:*:secret:rds-custom!*"
          ]
        },
        "StringLike": {
          "kms:ViaService": "secretsmanager.*.amazonaws.com"
        }
      }
    },
    {
      "Sid": "kmsPermissionWithS3",
      "Effect": "Allow",
      "Action": [
        "kms:Decrypt",
        "kms:GenerateDataKey"
      ],
      "Resource": "*",
      "Condition": {
        "ArnLike": {
          "kms:EncryptionContext:aws:s3:arn": "arn:aws:s3:::do-not-delete-rds-custom-*"
        },
        "StringLike": {
          "kms:ViaService": "s3.*.amazonaws.com"
        }
      }
    }
  ]
}

Version history

Current version v4, edited by AWS on 2026-02-12. 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/AmazonRDSCustomInstanceProfileRolePolicy
aws iam attach-user-policy --user-name USER_NAME --policy-arn arn:aws:iam::aws:policy/AmazonRDSCustomInstanceProfileRolePolicy
aws iam attach-group-policy --group-name GROUP_NAME --policy-arn arn:aws:iam::aws:policy/AmazonRDSCustomInstanceProfileRolePolicy

CloudFormation

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

Terraform

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

CDK (TypeScript)

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

Sources

Pending editorial review. No editorial sources are listed yet.