{
  "Version": "2012-10-17",
  "Statement": [
    {
      "Effect": "Allow",
      "Action": [
        "cloudformation:DescribeStacks",
        "cloudformation:DescribeStackEvents"
      ],
      "Condition": {
        "StringEquals": {
          "aws:ResourceAccount": "${aws:PrincipalAccount}"
        }
      },
      "Resource": [
        "arn:aws:cloudformation:*:*:stack/AWSTransform*"
      ]
    },
    {
      "Effect": "Allow",
      "Action": [
        "cloudformation:CreateStack"
      ],
      "Condition": {
        "StringEquals": {
          "aws:RequestTag/CreatedBy": "AWSTransform",
          "aws:ResourceAccount": "${aws:PrincipalAccount}"
        }
      },
      "Resource": "arn:aws:cloudformation:*:*:stack/AWSTransform*"
    },
    {
      "Sid": "CloudFormationTagOnCreate",
      "Effect": "Allow",
      "Action": [
        "cloudformation:TagResource",
        "cloudformation:UntagResource"
      ],
      "Resource": "arn:aws:cloudformation:*:*:stack/AWSTransform*",
      "Condition": {
        "StringEquals": {
          "cloudformation:CreateAction": [
            "CreateStack",
            "UpdateStack"
          ]
        }
      }
    },
    {
      "Effect": "Allow",
      "Action": [
        "cloudformation:DeleteStack"
      ],
      "Condition": {
        "StringEquals": {
          "aws:ResourceTag/CreatedBy": "AWSTransform",
          "aws:ResourceAccount": "${aws:PrincipalAccount}"
        }
      },
      "Resource": "arn:aws:cloudformation:*:*:stack/AWSTransform*"
    },
    {
      "Effect": "Allow",
      "Action": [
        "cloudformation:UpdateStack"
      ],
      "Condition": {
        "StringEquals": {
          "aws:RequestTag/CreatedBy": "AWSTransform",
          "aws:ResourceTag/CreatedBy": "AWSTransform",
          "aws:ResourceAccount": "${aws:PrincipalAccount}"
        }
      },
      "Resource": "arn:aws:cloudformation:*:*:stack/AWSTransform*"
    },
    {
      "Effect": "Allow",
      "Action": [
        "ec2:DescribeVpcs",
        "ec2:DescribeSubnets",
        "ec2:DescribeSecurityGroups",
        "ec2:DescribeImages",
        "ec2:DescribeInstances",
        "ec2:DescribeRouteTables",
        "ec2:DescribeInternetGateways"
      ],
      "Resource": "*"
    },
    {
      "Effect": "Deny",
      "Action": [
        "ec2:CreateTags",
        "ec2:DeleteTags"
      ],
      "Resource": "arn:aws:ec2:*:*:instance/*",
      "Condition": {
        "ForAnyValue:StringNotEquals": {
          "aws:TagKeys": [
            "Name",
            "CreatedBy",
            "ApplicationName",
            "TransformationType",
            "aws:cloudformation:stack-name",
            "aws:cloudformation:logical-id",
            "aws:cloudformation:stack-id"
          ]
        }
      }
    },
    {
      "Effect": "Allow",
      "Action": [
        "ec2:CreateTags",
        "ec2:DeleteTags"
      ],
      "Condition": {
        "ForAnyValue:StringEquals": {
          "aws:CalledVia": "cloudformation.amazonaws.com"
        },
        "StringEquals": {
          "aws:ResourceAccount": "${aws:PrincipalAccount}"
        }
      },
      "Resource": "arn:aws:ec2:*:*:instance/*"
    },
    {
      "Effect": "Allow",
      "Action": [
        "ec2:RunInstances"
      ],
      "Condition": {
        "ForAnyValue:StringEquals": {
          "aws:CalledVia": "cloudformation.amazonaws.com"
        }
      },
      "Resource": [
        "arn:aws:ec2:*::image/*"
      ]
    },
    {
      "Effect": "Allow",
      "Action": [
        "ec2:RunInstances"
      ],
      "Condition": {
        "ForAnyValue:StringEquals": {
          "aws:CalledVia": "cloudformation.amazonaws.com"
        },
        "StringEquals": {
          "aws:ResourceAccount": "${aws:PrincipalAccount}"
        }
      },
      "Resource": [
        "arn:aws:ec2:*:*:subnet/*",
        "arn:aws:ec2:*:*:security-group/*",
        "arn:aws:ec2:*:*:network-interface/*",
        "arn:aws:ec2:*:*:instance/*",
        "arn:aws:ec2:*:*:volume/*"
      ]
    },
    {
      "Effect": "Allow",
      "Action": [
        "iam:GetRole",
        "iam:GetInstanceProfile",
        "iam:GetRolePolicy",
        "iam:ListRolePolicies",
        "iam:ListAttachedRolePolicies"
      ],
      "Condition": {
        "StringEquals": {
          "aws:ResourceAccount": "${aws:PrincipalAccount}"
        }
      },
      "Resource": [
        "arn:aws:iam::*:role/AWSTransform-Deploy-Builder-Instance-Role",
        "arn:aws:iam::*:instance-profile/AWSTransform-Deploy-Builder-Instance-Role",
        "arn:aws:iam::*:role/AWSTransform-Deploy-App-Instance-Role",
        "arn:aws:iam::*:instance-profile/AWSTransform-Deploy-App-Instance-Role"
      ]
    },
    {
      "Effect": "Allow",
      "Action": [
        "iam:PassRole"
      ],
      "Condition": {
        "StringEquals": {
          "iam:PassedToService": "ec2.amazonaws.com",
          "aws:ResourceAccount": "${aws:PrincipalAccount}"
        }
      },
      "Resource": [
        "arn:aws:iam::*:role/AWSTransform-Deploy-Builder-Instance-Role",
        "arn:aws:iam::*:role/AWSTransform-Deploy-App-Instance-Role"
      ]
    },
    {
      "Effect": "Allow",
      "Action": [
        "ssm:GetParameters"
      ],
      "Resource": "arn:aws:ssm:*::parameter/aws/service/ami-amazon-linux-latest*"
    },
    {
      "Effect": "Allow",
      "Action": [
        "ec2:TerminateInstances",
        "ec2:StopInstances",
        "ec2:StartInstances",
        "ec2:ModifyInstanceAttribute"
      ],
      "Condition": {
        "StringEquals": {
          "aws:ResourceTag/CreatedBy": "AWSTransform",
          "aws:ResourceAccount": "${aws:PrincipalAccount}"
        },
        "ForAnyValue:StringEquals": {
          "aws:CalledVia": "cloudformation.amazonaws.com"
        }
      },
      "Resource": "arn:aws:ec2:*:*:instance/*"
    },
    {
      "Effect": "Allow",
      "Action": [
        "ssm:SendCommand"
      ],
      "Resource": [
        "arn:aws:ssm:*:*:document/AWS-RunRemoteScript"
      ]
    },
    {
      "Effect": "Allow",
      "Action": [
        "ssm:SendCommand"
      ],
      "Resource": "arn:aws:ec2:*:*:instance/*",
      "Condition": {
        "StringEquals": {
          "aws:ResourceTag/CreatedBy": "AWSTransform"
        }
      }
    },
    {
      "Effect": "Allow",
      "Action": [
        "ssm:DescribeInstanceInformation",
        "ssm:GetCommandInvocation"
      ],
      "Resource": [
        "arn:aws:ssm:*:*:*",
        "arn:aws:ec2:*:*:instance/*"
      ]
    },
    {
      "Effect": "Allow",
      "Action": [
        "s3:GetBucketLocation",
        "s3:PutObject",
        "s3:ListMultipartUploadParts",
        "s3:ListBucketMultipartUploads",
        "s3:AbortMultipartUpload",
        "s3:PutBucketTagging"
      ],
      "Resource": [
        "arn:aws:s3:::aws-transform-deployment-bucket-*",
        "arn:aws:s3:::aws-transform-deployment-bucket-*/*"
      ],
      "Condition": {
        "StringEquals": {
          "aws:ResourceAccount": "${aws:PrincipalAccount}"
        }
      }
    },
    {
      "Effect": "Allow",
      "Action": [
        "s3:ListAllMyBuckets"
      ],
      "Resource": "*",
      "Condition": {
        "StringEquals": {
          "aws:ResourceAccount": "${aws:PrincipalAccount}"
        }
      }
    },
    {
      "Effect": "Allow",
      "Action": [
        "kms:Decrypt",
        "kms:GenerateDataKey"
      ],
      "Resource": "arn:aws:kms:*:*:key/*",
      "Condition": {
        "StringEquals": {
          "aws:ResourceTag/CreatedFor": "AWSTransform",
          "aws:ResourceAccount": "${aws:PrincipalAccount}"
        },
        "StringLike": {
          "kms:EncryptionContext:aws-transform": "*",
          "kms:ViaService": "s3.*.amazonaws.com"
        }
      }
    },
    {
      "Effect": "Allow",
      "Action": [
        "kms:CreateGrant"
      ],
      "Resource": "arn:aws:kms:*:*:key/*",
      "Condition": {
        "Bool": {
          "kms:GrantIsForAWSResource": "true"
        },
        "StringLike": {
          "kms:ViaService": [
            "ec2.*.amazonaws.com"
          ],
          "kms:EncryptionContext:aws:ebs:id": "*"
        },
        "StringEquals": {
          "aws:ResourceAccount": "${aws:PrincipalAccount}",
          "kms:GrantConstraintType": "EncryptionContextSubset"
        },
        "ForAllValues:StringEquals": {
          "kms:GrantOperations": [
            "Decrypt"
          ]
        }
      }
    },
    {
      "Effect": "Allow",
      "Action": [
        "kms:GenerateDataKeyWithoutPlaintext"
      ],
      "Resource": "arn:aws:kms:*:*:key/*",
      "Condition": {
        "StringLike": {
          "kms:ViaService": "ec2.*.amazonaws.com",
          "kms:EncryptionContext:aws:ebs:id": "*"
        }
      }
    },
    {
      "Effect": "Allow",
      "Action": [
        "kms:DescribeKey"
      ],
      "Resource": "arn:aws:kms:*:*:key/*",
      "Condition": {
        "StringEquals": {
          "aws:ResourceAccount": "${aws:PrincipalAccount}"
        }
      }
    }
  ]
}