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github_ci_template.yml
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# Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.
# SPDX-License-Identifier: MIT-0
---
AWSTemplateFormatVersion: "2010-09-09"
Description: Guidance for Organizations on AWS - GitHub Actions CI/CD
Parameters:
pStackName:
Type: String
Description: Name of the stack to use for this deployment
Default: DO-NOT-DELETE-organization
pGithubOrganization:
Type: String
Description: GitHub Organization or User
pGitHubRepository:
Type: String
Description: GitHub Repository
Default: orgs-prescriptive-guidance
Resources:
rCloudFormationRole:
Type: "AWS::IAM::Role"
Properties:
AssumeRolePolicyDocument:
Version: "2012-10-17"
Statement:
Effect: Allow
Principal:
Service: !Sub "cloudformation.${AWS::URLSuffix}"
Action: "sts:AssumeRole"
Description: !Sub "DO NOT DELETE - Used by CloudFormation. Created by CloudFormation ${AWS::StackId}"
ManagedPolicyArns:
- !Sub "arn:${AWS::Partition}:iam::aws:policy/AWSOrganizationsFullAccess"
- !Sub "arn:${AWS::Partition}:iam::aws:policy/AWSCloudFormationFullAccess"
- !Sub "arn:${AWS::Partition}:iam::aws:policy/IAMReadOnlyAccess"
- !Sub "arn:${AWS::Partition}:iam::aws:policy/AWSSSOReadOnly"
Policies:
- PolicyName: CloudFormationPolicy
PolicyDocument:
Version: "2012-10-17"
Statement:
- Effect: Allow
Action:
- "iam:AddUserToGroup"
- "iam:CreateGroup"
- "iam:CreateServiceLinkedRole"
- "iam:CreateRole"
- "iam:CreateUser"
- "iam:DeleteGroup"
- "iam:DeleteRole"
- "iam:DeleteRolePolicy"
- "iam:DeleteUser"
- "iam:DeleteUserPolicy"
- "iam:PutRolePolicy"
- "iam:PutUserPolicy"
- "iam:RemoveUserFromGroup"
- "iam:TagRole"
- "iam:TagUser"
- "iam:UntagRole"
- "iam:UntagUser"
- "kms:CreateGrant"
- "kms:Decrypt"
- "kms:DescribeKey"
- "kms:Encrypt"
- "lambda:ListTags"
- "lambda:TagResource"
- "lambda:CreateFunction"
- "lambda:DeleteFunction"
- "lambda:GetFunction"
- "lambda:GetFunctionCodeSigningConfig"
- "lambda:GetFunctionRecursionConfig"
- "lambda:GetRuntimeManagementConfig"
- "lambda:InvokeFunction"
- "lambda:UpdateFunctionCode"
- "lambda:UpdateFunctionConfiguration"
- "logs:DescribeLogGroups"
- "logs:ListTagsForResource"
- "logs:TagResource"
- "logs:CreateLogGroup"
- "logs:DeleteLogGroup"
- "logs:PutRetentionPolicy"
- "sso:CreatePermissionSet"
- "sso:AttachCustomerManagedPolicyReferenceToPermissionSet"
- "sso:AttachManagedPolicyToPermissionSet"
- "sso:DeleteInlinePolicyFromPermissionSet"
- "sso:DeletePermissionSet"
- "sso:DeletePermissionsBoundaryFromPermissionSet"
- "sso:DeletePermissionsPolicy"
- "sso:ProvisionPermissionSet"
- "sso:PutInlinePolicyToPermissionSet"
- "sso:PutPermissionsBoundaryToPermissionSet"
- "sso:PutPermissionsPolicy"
- "sso:StartSSO"
- "sso:TagResource"
- "sso:UntagResource"
- "sso:UpdatePermissionSet"
Resource: "*"
- Effect: Allow
Action: "s3:GetObject"
Resource: !Sub "${rArtifactBucket.Arn}/*"
- Effect: Allow
Action: "iam:PassRole"
Resource: "*"
Condition:
StringEquals:
"iam:PassedToService": "lambda.amazonaws.com"
Tags:
- Key: "aws-cloudformation:stack-name"
Value: !Ref "AWS::StackName"
- Key: "aws-cloudformation:stack-id"
Value: !Ref "AWS::StackId"
- Key: "aws-cloudformation:logical-id"
Value: rCloudFormationRole
rGitHubRole:
Type: "AWS::IAM::Role"
Properties:
AssumeRolePolicyDocument:
Version: "2012-10-17"
Statement:
Effect: Allow
Principal:
Federated: !Ref rGitHubProvider
Action: "sts:AssumeRoleWithWebIdentity"
Condition:
StringEquals:
"token.actions.githubusercontent.com:aud": "sts.amazonaws.com"
StringLike:
"token.actions.githubusercontent.com:sub": !Sub "repo:${pGithubOrganization}/${pGitHubRepository}:*"
Description: !Sub "DO NOT DELETE - Used by GitHub Actions. Created by CloudFormation ${AWS::StackId}"
ManagedPolicyArns:
- !Sub "arn:${AWS::Partition}:iam::aws:policy/AWSCloudFormationReadOnlyAccess"
Policies:
- PolicyName: GitHubPolicy
PolicyDocument:
Version: "2012-10-17"
Statement:
- Effect: Allow
Action: "iam:PassRole"
Resource: !GetAtt rCloudFormationRole.Arn
Condition:
StringEquals:
"aws:ResourceAccount": "${aws:PrincipalAccount}"
"iam:PassedToService": !Sub "cloudformation.${AWS::URLSuffix}"
- Effect: Allow
Action:
- "cloudformation:ContinueUpdateRollback"
- "cloudformation:CreateChangeSet"
- "cloudformation:CreateStack"
- "cloudformation:DeleteStack"
- "cloudformation:RollbackStack"
- "cloudformation:UpdateStack"
Resource: !Sub "arn:${AWS::Partition}:cloudformation:*:${AWS::AccountId}:stack/${pStackName}*"
Condition:
ArnLike:
"cloudformation:RoleArn": !GetAtt rCloudFormationRole.Arn
"Null":
"cloudformation:ImportResourceTypes": true
- Effect: Allow
Action:
- "cloudformation:CancelUpdateStack"
- "cloudformation:DeleteChangeSet"
- "cloudformation:DetectStackDrift"
- "cloudformation:DetectStackResourceDrift"
- "cloudformation:ExecuteChangeSet"
- "cloudformation:TagResource"
- "cloudformation:UntagResource"
- "cloudformation:UpdateTerminationProtection"
Resource: !Sub "arn:${AWS::Partition}:cloudformation:*:${AWS::AccountId}:stack/${pStackName}*"
- Effect: Allow
Action:
- "cloudformation:ValidateTemplate"
- "cloudformation:EstimateTemplateCost"
Resource: "*"
- Effect: Allow
Action:
- "s3:GetObject"
- "s3:GetObjectVersion"
- "s3:PutObject"
Resource: !Sub "${rArtifactBucket.Arn}/*"
- Effect: Allow
Action:
- "s3:ListBucket"
- "s3:GetBucketPolicy"
- "s3:GetBucketVersioning"
- "s3:GetBucketLocation"
Resource: !GetAtt rArtifactBucket.Arn
rGitHubProvider:
Type: "AWS::IAM::OIDCProvider"
Properties:
ClientIdList:
- "sts.amazonaws.com"
Tags:
- Key: "aws-cloudformation:stack-name"
Value: !Ref "AWS::StackName"
- Key: "aws-cloudformation:stack-id"
Value: !Ref "AWS::StackId"
- Key: "aws-cloudformation:logical-id"
Value: rGitHubProvider
Url: https://token.actions.githubusercontent.com
rArtifactBucket:
Type: "AWS::S3::Bucket"
UpdateReplacePolicy: Delete
DeletionPolicy: RetainExceptOnCreate
Properties:
BucketEncryption:
ServerSideEncryptionConfiguration:
- ServerSideEncryptionByDefault:
SSEAlgorithm: AES256
LifecycleConfiguration:
Rules:
- ExpirationInDays: 30
Id: ExpireAfter30Days
Status: Enabled
- AbortIncompleteMultipartUpload:
DaysAfterInitiation: 1
Id: ExpireNonCurrentAndIncompleteMultipartUpload
NoncurrentVersionExpiration:
NoncurrentDays: 1
Status: Enabled
OwnershipControls:
Rules:
- ObjectOwnership: BucketOwnerEnforced
PublicAccessBlockConfiguration:
BlockPublicAcls: true
BlockPublicPolicy: true
IgnorePublicAcls: true
RestrictPublicBuckets: true
VersioningConfiguration:
Status: Enabled
rArtifactBucketPolicy:
Type: "AWS::S3::BucketPolicy"
Properties:
Bucket: !Ref rArtifactBucket
PolicyDocument:
Statement:
- Effect: Deny
Principal: "*"
Action: "s3:*"
Resource:
- !Sub "${rArtifactBucket.Arn}/*"
- !GetAtt rArtifactBucket.Arn
Condition:
Bool:
"aws:SecureTransport": false
Outputs:
oCloudFormationRoleArn:
Description: CloudFormation IAM Role ARN
Value: !GetAtt rCloudFormationRole.Arn
oGitHubRoleArn:
Description: GitHub Actions IAM Role ARN
Value: !GetAtt rGitHubRole.Arn
oArtifactBucket:
Description: Artifact Bucket Name
Value: !Ref rArtifactBucket