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cloudformation.template
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cloudformation.template
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AWSTemplateFormatVersion: 2010-09-09
Description: Launch Compliance Enforcer
Parameters:
LambdaScriptBucket:
Type: String
Description: s3 bucket name of the lambda script to execute
Default: lambda-scripts-region-accountid
LambdaScriptBucketKey:
Type: String
Description: s3 key of the lambda script to execute
Default: compliance-enforcer/main.zip
Resources:
LambdaExecutionRole:
Type: "AWS::IAM::Role"
Properties:
AssumeRolePolicyDocument:
Version: "2012-10-17"
Statement:
-
Effect: "Allow"
Principal:
Service:
- "lambda.amazonaws.com"
Action:
- "sts:AssumeRole"
Path: "/"
Policies:
-
PolicyName: "root"
PolicyDocument:
Version: "2012-10-17"
Statement:
-
Effect: "Allow"
Action:
- logs:CreateLogStream
- logs:CreateLogGroup
- logs:DescribeLogStreams
- logs:PutLogEvents
Resource:
- "arn:aws:logs:*:*:log-group:/aws/lambda/compliance-enforcer"
- "arn:aws:logs:*:*:log-group:/aws/lambda/compliance-enforcer:log-stream:*"
-
Effect: "Allow"
Action:
- ec2:RevokeSecurityGroupIngress
Resource: "*"
-
Effect: "Allow"
Action:
- s3:GetObject
Resource:
- !Sub '${ComplianceEnforcerBucket.Arn}/*'
ComplianceEnforcerBucket:
Type: AWS::S3::Bucket
Properties:
AccessControl: Private
BucketName:
Fn::Join:
- ""
- - 'compliance-enforcer-'
- !Ref AWS::Region
- '-'
- !Ref AWS::AccountId
ComplianceEnforcerBucketPolicy:
Type: AWS::S3::BucketPolicy
Properties:
Bucket: !Ref ComplianceEnforcerBucket
PolicyDocument:
Statement:
-
Action:
- "s3:GetBucketAcl"
Effect: "Allow"
Resource:
- !Sub '${ComplianceEnforcerBucket.Arn}'
Principal:
Service: cloudtrail.amazonaws.com
-
Action:
- "s3:PutObject"
Effect: "Allow"
Resource:
- !Sub '${ComplianceEnforcerBucket.Arn}/AWSLogs/*'
Principal:
Service: cloudtrail.amazonaws.com
Condition:
StringEquals:
s3:x-amz-acl: bucket-owner-full-control
ComplianceEnforcerSNSTopic:
Type: AWS::SNS::Topic
Properties:
DisplayName: ComplianceEnforcer
TopicName: ComplianceEnforcer
ComplianceEnforcerSNSTopicPolicy:
Type: AWS::SNS::TopicPolicy
Properties:
PolicyDocument:
Statement:
- Effect: Allow
Principal:
Service: cloudtrail.amazonaws.com
Action: SNS:Publish
Resource: !Ref ComplianceEnforcerSNSTopic
Topics:
- !Ref ComplianceEnforcerSNSTopic
ComplianceEnforcerTrail:
Type: AWS::CloudTrail::Trail
Properties:
EnableLogFileValidation: False
IsLogging: True
S3BucketName:
Fn::Join:
- ""
- - 'compliance-enforcer-'
- !Ref AWS::Region
- '-'
- !Ref AWS::AccountId
SnsTopicName:
Fn::GetAtt:
- "ComplianceEnforcerSNSTopic"
- "TopicName"
TrailName: ComplianceEnforcer
DependsOn:
- ComplianceEnforcerBucketPolicy
- LambdaInvokePermission
LambdaFunction:
Type: "AWS::Lambda::Function"
Properties:
FunctionName: compliance-enforcer
Handler: "main"
Role:
Fn::GetAtt:
- "LambdaExecutionRole"
- "Arn"
Code:
S3Bucket: !Ref LambdaScriptBucket
S3Key: !Ref LambdaScriptBucketKey
Runtime: "go1.x"
Timeout: 30
LambdaInvokePermission:
Type: AWS::Lambda::Permission
Properties:
FunctionName: !GetAtt
- LambdaFunction
- Arn
Action: 'lambda:InvokeFunction'
Principal: sns.amazonaws.com
SourceArn: !Ref ComplianceEnforcerSNSTopic
LambdaSNSSubscription:
Type: AWS::SNS::Subscription
Properties:
Endpoint: !GetAtt
- LambdaFunction
- Arn
Protocol: lambda
TopicArn: !Ref ComplianceEnforcerSNSTopic
DependsOn:
- LambdaInvokePermission