daisuke-iam-infra/roles/cloudformation-write-role.yaml

AWSTemplateFormatVersion: '2010-09-09'
Description: IAM Role for CloudFormation Write operations via AssumeRole

Parameters:
  AdminPrincipalArns:
    Type: List<String>
    Description: List of IAM Identity Center Role ARNs allowed to assume this role.

Resources:
  CloudFormationWriteRole:
    Type: AWS::IAM::Role
    Properties:
      RoleName: CloudFormationWriteRole
      Description: Role for performing CloudFormation write operations. Intended to be assumed manually or by CI/CD, not attached to Permission Sets.
      AssumeRolePolicyDocument:
        Version: '2012-10-17'
        Statement:
          - Effect: Allow
            Principal:
              AWS: !Ref AdminPrincipalArns
            Action: sts:AssumeRole
      Policies:
        - PolicyName: ECRImport
          PolicyDocument:
            Version: "2012-10-17"
            Statement:
              - Effect: Allow
                Action:
                  - ecr:DescribeRepositories
                  - ecr:GetRepositoryPolicy
                  - ecr:DeleteRepositoryPolicy
                  - ecr:PutImageScanningConfiguration
                  - ecr:SetRepositoryPolicy
                Resource:
                  - !Sub arn:aws:ecr:${AWS::Region}:${AWS::AccountId}:repository/*
        - PolicyName: RoleWrite
          PolicyDocument:
            Version: "2012-10-17"
            Statement:
              - Effect: Allow
                Action:
                  - iam:CreateRole
                  - iam:DeleteRole
                  - iam:PutRolePolicy
                  - iam:DeleteRolePolicy
                  - iam:AttachRolePolicy
                  - iam:PassRole
                Resource:
                  - !Sub arn:aws:iam::${AWS::AccountId}:role/*
        - PolicyName: PolicyWrite
          PolicyDocument:
            Version: "2012-10-17"
            Statement:
              - Effect: Allow
                Action:
                  - iam:CreatePolicy
                  - iam:CreatePolicyVersion
                  - iam:DeletePolicyVersion
                Resource:
                  - !Sub arn:aws:iam::${AWS::AccountId}:policy/*
        - PolicyName: SecretPolicies
          PolicyDocument:
            Version: "2012-10-17"
            Statement:
              - Effect: Allow
                Action:
                  - secretsmanager:GetSecretValue
                Resource:
                  - !Sub arn:aws:secretsmanager:${AWS::Region}:${AWS::AccountId}:secret:*
        - PolicyName: S3Policies
          PolicyDocument:
            Version: "2012-10-17"
            Statement:
              - Effect: Allow
                Action:
                  - s3:PutBucketNotification
                Resource:
                  - arn:aws:s3:::*
        - PolicyName: CodePipelinePolicies
          PolicyDocument:
            Version: "2012-10-17"
            Statement:
              - Effect: Allow
                Action:
                  - codepipeline:UpdatePipeline
                Resource:
                  - !Sub "arn:aws:codepipeline:${AWS::Region}:${AWS::AccountId}:*"
                  - !Sub "arn:aws:codepipeline:${AWS::Region}:${AWS::AccountId}:*/*"
        - PolicyName: EventPolicies
          PolicyDocument:
            Version: "2012-10-17"
            Statement:
              - Effect: Allow
                Action:
                  - events:PutRule
                  - events:DeleteRule
                  - events:PutTargets
                  - events:RemoveTargets
                Resource:
                  - !Sub "arn:aws:events:${AWS::Region}:${AWS::AccountId}:rule/*"
        - PolicyName: EbPolicies
          PolicyDocument:
            Version: "2012-10-17"
            Statement:
              - Effect: Allow
                Action:
                  - elasticloadbalancing:ModifyTargetGroup
                Resource:
                  - !Sub "arn:aws:elasticloadbalancing:${AWS::Region}:${AWS::AccountId}:targetgroup/*"
        - PolicyName: EcsTaskPolicies
          PolicyDocument:
            Version: "2012-10-17"
            Statement:
              - Effect: Allow
                Action:
                  - ecs:RegisterTaskDefinition
                  - ecs:DeregisterTaskDefinition
                  - ecs:TagResource
                Resource:
                  - !Sub "arn:aws:ecs:${AWS::Region}:${AWS::AccountId}:task-definition/*"
        - PolicyName: EcsServicePolicies
          PolicyDocument:
            Version: "2012-10-17"
            Statement:
              - Effect: Allow
                Action:
                  - ecs:CreateService
                  - ecs:UpdateService
                  - ecs:DeleteService
                  - ecs:TagResource
                Resource:
                  - !Sub "arn:aws:ecs:${AWS::Region}:${AWS::AccountId}:service/*"
        - PolicyName: EcsClusterPolicies
          PolicyDocument:
            Version: "2012-10-17"
            Statement:
              - Effect: Allow
                Action:
                  - ecs:CreateCluster
                  - ecs:UpdateCluster
                  - ecs:DeleteCluster
                  - ecs:TagResource
                Resource:
                  - !Sub "arn:aws:ecs:${AWS::Region}:${AWS::AccountId}:cluster/*"
      ManagedPolicyArns:
        - arn:aws:iam::aws:policy/ReadOnlyAccess
        - !Sub arn:aws:iam::${AWS::AccountId}:policy/CloudFormationWrite