AWSTemplateFormatVersion: 2010-09-09
Description: Pipeline for Enterprise Jumpstart SSO Components

Parameters:
  ManagedResourcePrefix:
    Type: String
    Default: ejs-sso
  RepositorySourceBranch:
    Type: String
    Default: main
  AdditionalRegions:
    Type: String
#  OrganizationManagementAccountId:
#    Type: String
#  AuditAccountId:
#    Type: String
#  LogsAccountId:
#    Type: String
#  DeploymentAccountId:
#    Type: String

Resources:
  CodeCommitUser:
    Type: AWS::IAM::User
    Properties:
      ManagedPolicyArns:
      - arn:aws:iam::aws:policy/AWSCodeCommitPowerUser
      UserName: CodeCommitUser
  EjsNetworkRepository:
    Type: AWS::CodeCommit::Repository
    Properties:
      RepositoryDescription: AWS Enterprise Jumpstart AWS SSO Assets and Code
      RepositoryName: !Ref ManagedResourcePrefix
  KMSKey:
    Type: AWS::KMS::Key
    Properties:
      Description: Encrypt/Decrypt EJS Network Assests
      EnableKeyRotation: true
      MultiRegion: true
      KeyPolicy:
        Version: "2012-10-17"
        Id: !Ref AWS::StackName
        Statement:
        - Sid: Allows admin of the key
          Effect: Allow
          Principal:
            AWS: !Sub arn:aws:iam::${AWS::AccountId}:root
          Action:
          - "kms:Create*"
          - "kms:Describe*"
          - "kms:Enable*"
          - "kms:List*"
          - "kms:Put*"
          - "kms:Update*"
          - "kms:Revoke*"
          - "kms:Disable*"
          - "kms:Get*"
          - "kms:Delete*"
          - "kms:ScheduleKeyDeletion"
          - "kms:CancelKeyDeletion"
          - "kms:ReplicateKey"
          Resource: "*"
        - Sid: Allow use of the key for Audit/Logs account
          Effect: Allow
          Principal:
            AWS:
            - !Sub arn:aws:iam::${AWS::AccountId}:root
          Action:
          - kms:Encrypt
          - kms:Decrypt
          - kms:ReEncrypt*
          - kms:GenerateDataKey*
          - kms:DescribeKey
          Resource: "*"
  KMSAlias:
    Type: AWS::KMS::Alias
    Properties:
      AliasName: !Sub alias/${ManagedResourcePrefix}-codepipeline
      TargetKeyId: !Ref KMSKey
  ArtifactBucket:
    DeletionPolicy: Retain
    Type: AWS::S3::Bucket
    Properties:
      VersioningConfiguration:
        Status: Enabled
      BucketEncryption:
        ServerSideEncryptionConfiguration:
        - BucketKeyEnabled: true
          ServerSideEncryptionByDefault:
            KMSMasterKeyID: !Ref KMSKey
            SSEAlgorithm: 'aws:kms'
  ArtifactBucketNameParamter:
    Type: AWS::SSM::Parameter
    Properties:
      Name: /network/artifact-bucket/name
      Value: !Ref ArtifactBucket
      Type: String
  ArtifactBucketPolicy:
    Type: AWS::S3::BucketPolicy
    Properties:
      Bucket: !Ref ArtifactBucket
      PolicyDocument:
        Version: 2012-10-17
        Statement:
        - Action:
          - 's3:GetObject'
          Effect: Allow
          Resource: !Join
          - ''
          - - 'arn:aws:s3:::'
            - !Ref ArtifactBucket
            - /*
          Principal:
            AWS:
            - !Sub arn:aws:iam::${AWS::AccountId}:root
  BucketAccessPolicy:
    Type: AWS::IAM::ManagedPolicy
    Properties:
      Description: Allow usage of custom resource
      PolicyDocument:
        Version: 2012-10-17
        Statement:
        - Effect: Allow
          Action:
          - s3:*
          Resource:
          - !Sub arn:aws:s3:::${ArtifactBucket}/*
          - !Sub arn:aws:s3:::${ArtifactBucket}
          - !Sub 'arn:aws:s3:::${ManagedResourcePrefix}-${AWS::AccountId}*'
  CloudFormationRole:
    Type: AWS::IAM::Role
    Properties:
      AssumeRolePolicyDocument:
        Statement:
        - Effect: Allow
          Principal:
            Service:
            - cloudformation.amazonaws.com
          Action:
          - sts:AssumeRole
      ManagedPolicyArns:
      - !Ref BucketAccessPolicy
      Policies:
      - PolicyName: sso-admin
        PolicyDocument:
          Version: 2012-10-17
          Statement:
          - Action:
            - sso:*
            - sso-directory:*
            Effect: Allow
            Resource: "*"
      - PolicyName: iam-admin
        PolicyDocument:
          Version: 2012-10-17
          Statement:
          - Action:
              - iam:GetRole
            Effect: Allow
            Resource: "*"
      - PolicyName: lambda-admin
        PolicyDocument:
          Version: 2012-10-17
          Statement:
          - Action:
            - lambda:*
            Effect: Allow
            Resource: "*"                  
      - PolicyName: pipeline
        PolicyDocument:
          Version: 2012-10-17
          Statement:
          - Action:
            - kms:*
            Effect: Allow
            Resource: !GetAtt KMSKey.Arn
          - Action:
            - iam:*
            Effect: Allow
            Resource: !Sub arn:aws:iam::${AWS::AccountId}:role/${ManagedResourcePrefix}-*
          - Action:
            - codebuild:*
            Effect: Allow
            Resource: !Sub arn:aws:codebuild:${AWS::Region}:${AWS::AccountId}:project/${ManagedResourcePrefix}-*
          - Action:
            - codecommit:*
            Effect: Allow
            Resource: !Sub arn:aws:codecommit:${AWS::Region}:${AWS::AccountId}:${ManagedResourcePrefix}-*
          - Action:
            - codepipeline:*
            - events:*
            - logs:*
            Effect: Allow
            Resource: "*"
          - Action:
            - ssm:*
            Effect: Allow
            Resource: !Sub arn:aws:ssm:${AWS::Region}:${AWS::AccountId}:parameter/network*
          - Action:
            - ssm:Get*
            Effect: Allow
            Resource: !Sub arn:aws:ssm:${AWS::Region}:${AWS::AccountId}:parameter/org*
  CodeBuildServiceRole:
    Type: AWS::IAM::Role
    Properties:
      AssumeRolePolicyDocument:
        Statement:
        - Effect: Allow
          Principal:
            Service:
            - codebuild.amazonaws.com
          Action:
          - sts:AssumeRole
      ManagedPolicyArns:
      - !Ref BucketAccessPolicy
      Policies:
      - PolicyName: DeployAccess
        PolicyDocument:
          Version: 2012-10-17
          Statement:
          - Action:
            - logs:*
            Effect: Allow
            Resource:
            - Fn::Sub:
              - 'arn:aws:logs:${AWS::Region}:${AWS::AccountId}:log-group:/aws/codebuild/${Prefix}*'
              - Prefix: !Ref ManagedResourcePrefix
          - Action:
            - kms:*
            Effect: Allow
            Resource: !GetAtt KMSKey.Arn
          - Action:
            - ssm:Get*
            Effect: Allow
            Resource: "*"
          - Action:
            - cloudformation:ValidateTemplate
            - cloudformation:SetTypeConfiguration
            - cloudformation:List*
            - cloudformation:Describe*
            Effect: Allow
            Resource: "*"
          - Action:
            - cloudformation:CreateStack
            - cloudformation:UpdateStack
            - cloudformation:TagResource
            - cloudformation:UntagResource
            Effect: Allow
            Resource: !Sub arn:aws:cloudformation:*:${AWS::AccountId}:stack/${ManagedResourcePrefix}*
          - Action:
            - codecommit:*
            Effect: Allow
            Resource: !Sub arn:aws:codecommit:${AWS::Region}:${AWS::AccountId}:${ManagedResourcePrefix}
          - Action:
            - iam:PassRole
            Effect: Allow
            Resource: !GetAtt CloudFormationRole.Arn
  CodeBuildServiceRoleParameter:
    Type: AWS::SSM::Parameter
    Properties:
      Name: /pipeline/codebuild/role
      Value: !GetAtt CodeBuildServiceRole.Arn
      Type: String
  PipelineRole:
    Type: AWS::IAM::Role
    Properties:
      AssumeRolePolicyDocument:
        Version: 2012-10-17
        Statement:
        - Action:
          - sts:AssumeRole
          Effect: Allow
          Principal:
            Service:
            - codepipeline.amazonaws.com
      ManagedPolicyArns:
      - !Ref BucketAccessPolicy
      Policies:
      - PolicyName: CodePipelineAccess
        PolicyDocument:
          Version: 2012-10-17
          Statement:
          - Action:
            - iam:PassRole
            Effect: Allow
            Resource:
            - !GetAtt CodeBuildServiceRole.Arn
            - !GetAtt CloudFormationRole.Arn
          - Action:
            - cloudformation:DescribeStacks
            - cloudformation:CreateStack
            - cloudformation:UpdateStack
            - cloudformation:DeleteStack
            - cloudformation:SetStackPolicy
            Effect: Allow
            Resource:
            - Fn::Sub:
              - arn:aws:cloudformation:${AWS::Region}:*:stack/${Prefix}*
              - Prefix: !Ref ManagedResourcePrefix
            - Fn::Sub:
              - arn:aws:cloudformation:us-east-1:*:stack/${Prefix}*
              - Prefix: !Ref ManagedResourcePrefix
          - Action:
            - kms:Encrypt
            - kms:Decrypt
            - kms:ReEncrypt*
            - kms:GenerateDataKey*
            - kms:DescribeKey
            Effect: Allow
            Resource:
            - !GetAtt KMSKey.Arn
            - !Sub arn:aws:kms:us-east-1:${AWS::AccountId}:key/*
          - Action:
            - codebuild:*
            Effect: Allow
            Resource:
            - !GetAtt CodeBuildProjectPackage.Arn
            - !GetAtt CodeBuildProjectBaseline.Arn
          - Action:
            - codecommit:*
            Effect: Allow
            Resource: !Sub arn:aws:codecommit:${AWS::Region}:${AWS::AccountId}:${ManagedResourcePrefix}
  EventsRole:
    Type: AWS::IAM::Role
    Properties:
      AssumeRolePolicyDocument:
        Version: 2012-10-17
        Statement:
        - Action:
          - sts:AssumeRole
          Effect: Allow
          Principal:
            Service:
            - events.amazonaws.com
      Policies:
      - PolicyName: AllowCodePipelineTrigger
        PolicyDocument:
          Version: 2012-10-17
          Statement:
          - Effect: Allow
            Action:
            - codepipeline:StartPipelineExecution
            Resource:
              Fn::Sub: arn:aws:codepipeline:${AWS::Region}:${AWS::AccountId}:${Pipeline}
  PipelineTrigger:
    Type: AWS::Events::Rule
    Properties:
      Description: !Sub CodeCommit.Push to trigger CodePipeline for ${ManagedResourcePrefix}
      State: ENABLED
      EventPattern:
        source:
        - aws.codecommit
        detail-type:
        - 'CodeCommit Repository State Change'
        resources:
        - !Sub arn:aws:codecommit:${AWS::Region}:${AWS::AccountId}:${ManagedResourcePrefix}
        detail:
          event:
          - referenceCreated
          - referenceUpdated
          referenceType:
          - branch
          - tag
          referenceName:
          - !Ref RepositorySourceBranch
      Targets:
      - Id: TargetCodePipeline
        Arn:
          Fn::Sub: arn:aws:codepipeline:${AWS::Region}:${AWS::AccountId}:${Pipeline}
        RoleArn:
          Fn::GetAtt:
          - EventsRole
          - Arn
  CodeBuildProjectPackage:
    Type: AWS::CodeBuild::Project
    Properties:
      Cache:
        Location:
          Fn::Sub:
          - ${BucketName}/cache/${ServiceName}/assets
          - BucketName: !Ref ArtifactBucket
            ServiceName: !Ref ManagedResourcePrefix
        Type: S3
      Artifacts:
        Type: CODEPIPELINE
      Source:
        Type: CODEPIPELINE
        BuildSpec: deployment/buildspec.yaml
      Environment:
        ComputeType: BUILD_GENERAL1_SMALL
        PrivilegedMode: false
        Image: aws/codebuild/amazonlinux2-x86_64-standard:3.0
        Type: LINUX_CONTAINER
        EnvironmentVariables:
        - Name: AWS_ACCOUNT_ID
          Value:
            Ref: AWS::AccountId
        - Name: SERVICE_NAME
          Value: !Ref ManagedResourcePrefix
        - Name: ARTIFACTS_BUCKET_NAME
          Value: !Ref ArtifactBucket
        - Name: ARTIFACTS_BUCKET_CFN_ASSET_PREFIX
          Value: cfn-assets
      Name: !Sub ${ManagedResourcePrefix}-package
      EncryptionKey: !GetAtt KMSKey.Arn
      ServiceRole:
        Ref: CodeBuildServiceRole
  CodeBuildLogGroup:
    Type: AWS::Logs::LogGroup
    Properties:
      LogGroupName:
        Fn::Sub: /aws/codebuild/${CodeBuildProjectPackage}
      RetentionInDays: 30
  CodeBuildProjectBaseline:
    Type: AWS::CodeBuild::Project
    Properties:
      Cache:
        Location:
          Fn::Sub:
          - ${BucketName}/cache/${ServiceName}/Baseline
          - BucketName: !Ref ArtifactBucket
            ServiceName: !Ref ManagedResourcePrefix
        Type: S3
      Artifacts:
        Type: CODEPIPELINE
      Source:
        Type: CODEPIPELINE
        BuildSpec: deployment/buildspec_artifact_store.yaml
      Environment:
        ComputeType: BUILD_GENERAL1_SMALL
        PrivilegedMode: false
        Image: aws/codebuild/amazonlinux2-x86_64-standard:3.0
        Type: LINUX_CONTAINER
        EnvironmentVariables:
        - Name: AWS_ACCOUNT_ID
          Value:
            Ref: AWS::AccountId
        - Name: SERVICE_NAME
          Value: !Ref ManagedResourcePrefix
        - Name: ARTIFACTS_BUCKET_NAME
          Value: !Ref ArtifactBucket
        - Name: ARTIFACTS_BUCKET_ASSET_PREFIX
          Value: baseline-assets
        - Name: ARTIFACTS_KMS_KEY_ARN
          Value: !GetAtt KMSKey.Arn
        - Name: JUMPSTART_CFN_ROLE_ARN
          Value: !GetAtt CloudFormationRole.Arn
        - Name: REGIONS
          Value: !Ref AdditionalRegions
      Name:
        Fn::Sub:
        - ${Prefix}-baseline
        - Prefix: !Ref ManagedResourcePrefix
      TimeoutInMinutes: 120
      EncryptionKey: !GetAtt KMSKey.Arn
      ServiceRole:
        Ref: CodeBuildServiceRole
  CodeBuildLogGroupBaseline:
    Type: AWS::Logs::LogGroup
    Properties:
      LogGroupName:
        Fn::Sub: /aws/codebuild/${CodeBuildProjectBaseline}
      RetentionInDays: 30
  Pipeline:
    Type: AWS::CodePipeline::Pipeline
    Properties:
      ArtifactStores:
      - Region: !Ref AWS::Region
        ArtifactStore:
          EncryptionKey:
            Id: !Ref KMSKey
            Type: KMS
          Type: S3
          Location: !Ref ArtifactBucket
      # add more artifact stores in order to deploy in additional regions
      # - Region: us-east-1
      #   ArtifactStore:
      #     EncryptionKey:
      #       Id: !Ref KMSKey
      #       Type: KMS
      #     Type: S3
      #     Location: !Sub '${ManagedResourcePrefix}-${AWS::AccountId}-us-east-1-artifacts'
      Name: !Ref ManagedResourcePrefix
      RoleArn:
        Fn::GetAtt:
        - PipelineRole
        - Arn
      Stages:
      - Name: Sources
        Actions:
        - Name: GetSources
          ActionTypeId:
            Category: Source
            Owner: AWS
            Version: '1'
            Provider: CodeCommit
          OutputArtifacts:
          - Name: complete-sources
          Configuration:
            BranchName: !Ref RepositorySourceBranch
            RepositoryName: !Ref ManagedResourcePrefix
            PollForSourceChanges: false
          RunOrder: 1
      - Name: DeployDeployment
        Actions:
        - Name: PipelineSelfUpdate
          Namespace: pipeline
          ActionTypeId:
            Category: Deploy
            Owner: AWS
            Provider: CloudFormation
            Version: '1'
          InputArtifacts:
          - Name: complete-sources
          Configuration:
            ActionMode: CREATE_UPDATE
            Capabilities: CAPABILITY_NAMED_IAM
            RoleArn:
              Fn::GetAtt:
              - CloudFormationRole
              - Arn
            StackName: !Sub
            - ${Prefix}-pipeline
            - Prefix: !Ref ManagedResourcePrefix
            TemplatePath: complete-sources::deployment/pipeline.yaml
            TemplateConfiguration: complete-sources::parameter/pipeline.json
          RunOrder: 1
        - Name: AdditionalRegions
          ActionTypeId:
            Category: Build
            Owner: AWS
            Version: '1'
            Provider: CodeBuild
          Configuration:
            ProjectName:
              Ref: CodeBuildProjectBaseline
          InputArtifacts:
          - Name: complete-sources
          RunOrder: 2
      - Name: Build
        Actions:
        - Name: Build
          ActionTypeId:
            Category: Build
            Owner: AWS
            Version: '1'
            Provider: CodeBuild
          Configuration:
            ProjectName:
              Ref: CodeBuildProjectPackage
          InputArtifacts:
          - Name: complete-sources
          OutputArtifacts:
          - Name: stacks
          RunOrder: 1
      - Name: Deployment
        Actions:
        - Name: Frankfurt
          Namespace: deploy
          ActionTypeId:
            Category: Deploy
            Owner: AWS
            Provider: CloudFormation
            Version: '1'
          InputArtifacts:
          - Name: stacks
          - Name: complete-sources
          Configuration:
            ActionMode: CREATE_UPDATE
            Capabilities: CAPABILITY_IAM
            RoleArn:
              Fn::GetAtt:
              - CloudFormationRole
              - Arn
            StackName: !Ref ManagedResourcePrefix
            TemplatePath: stacks::build/packaged-main.yaml
            TemplateConfiguration: complete-sources::parameter/main.json
          RunOrder: 1

Outputs:
  KMSKeyArn:
    Value: !GetAtt KMSKey.Arn