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template.yaml
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template.yaml
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AWSTemplateFormatVersion: "2010-09-09"
Transform: AWS::Serverless-2016-10-31
Description: The infrastructure template for Terraform Engine
Conditions:
MoreThan2AZs:
Fn::And:
- { Condition: MoreThan1AZ }
- Fn::Or:
- Fn::Equals:
- { Ref: 'AWS::Region' }
- us-east-1
- Fn::Equals:
- { Ref: 'AWS::Region' }
- us-west-2
- Fn::Equals:
- { Ref: 'AWS::Region' }
- eu-west-1
- Fn::Equals:
- { Ref: 'AWS::Region' }
- ap-southeast-2
- Fn::Equals:
- { Ref: 'RIPMoreThan2AZsParameter' }
- 'true'
MoreThan1AZ:
Fn::Equals:
- { Ref: 'RIPMoreThan1AZParameter' }
- 'true'
Parameters:
ServiceCatalogEndpoint:
Default: ""
Description: The endpoint the engine uses to call Service Catalog. The default should be used except in cases when required to use a Service Catalog endpoint other than the default for your region.
Type: String
ServiceCatalogVerifySsl:
Default: true
AllowedValues:
- false
- true
Description: Determines if SSL verification will be turned on when the engine calls Service Catalog. The default should be used except in cases when SSL verification is not desired, such as in certain testing cases.
Type: String
TerraformCliVersion:
Default: 1.2.8
Description: The Terraform CLI version to install on the EC2 instances
Type: String
ServerLatestAmiId:
Type: 'AWS::SSM::Parameter::Value<AWS::EC2::Image::Id>'
Default: '/aws/service/ami-amazon-linux-latest/amzn2-ami-hvm-x86_64-gp2'
VpcCidr:
Default: 10.0.0.0/16
Description: Please enter the IP range (CIDR notation) for this VPC
Type: String
PublicSubnet1CIDR:
Default: 10.0.0.0/19
Description: Please enter the IP range (CIDR notation) for the public subnet 1
Type: String
PublicSubnet2CIDR:
Default: 10.0.64.0/19
Description: Please enter the IP range (CIDR notation) for the public subnet 2
Type: String
PublicSubnet3CIDR:
Default: 10.0.128.0/19
Description: Please enter the IP range (CIDR notation) for the public subnet 3 (not supported in all regions)
Type: String
PrivateSubnet1CIDR:
Default: 10.0.32.0/19
Description: Please enter the IP range (CIDR notation) for the private subnet 1
Type: String
PrivateSubnet2CIDR:
Default: 10.0.96.0/19
Description: Please enter the IP range (CIDR notation) for the private subnet 2
Type: String
PrivateSubnet3CIDR:
Default: 10.0.160.0/19
Description: Please enter the IP range (CIDR notation) for the private subnet 3 (not supported in all regions)
Type: String
SSHLocation:
AllowedPattern: '(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})/(\d{1,2})'
ConstraintDescription: must be a valid IP CIDR range of the form x.x.x.x/x.
Default: 0.0.0.0/0
Description: The IP address range that can be used to access the instance using SSH.
MaxLength: 18
MinLength: 9
Type: String
RIPMoreThan2AZsParameter:
Default: 'false'
Type: String
AllowedValues:
- 'true'
- 'false'
RIPMoreThan1AZParameter:
Default: 'true'
Type: String
AllowedValues:
- 'true'
- 'false'
ParameterParserLambdaMemorySize:
Default: 1024
Description: The memory size configuration for parameter parser lambda in MB
Type: Number
MinValue: 128
MaxValue: 10240
Resources:
# VPC for Terraform Reference Engine
VPC:
Type: AWS::EC2::VPC
Properties:
CidrBlock: !Ref VpcCidr
EnableDnsHostnames: True
EnableDnsSupport: True
InstanceTenancy: default
Tags:
- Key: Name
Value: TerraformEngineVpc
InternetGateway:
Type: AWS::EC2::InternetGateway
Properties:
Tags:
- Key: Name
Value: TerraformEngineInternetGateway
InternetGatewayAttachment:
Type: AWS::EC2::VPCGatewayAttachment
Properties:
InternetGatewayId: !Ref InternetGateway
VpcId: !Ref VPC
NatGatewayFromPublicSubnet1:
Type: 'AWS::EC2::NatGateway'
Properties:
Tags:
- Key: Name
Value: TerraformEngineNatGateway1
AllocationId: !GetAtt 'ElasticIPAddress1.AllocationId'
SubnetId: !Ref PublicSubnet1
NatGatewayFromPublicSubnet2:
Condition: MoreThan1AZ
Type: 'AWS::EC2::NatGateway'
Properties:
Tags:
- Key: Name
Value: TerraformEngineNatGateway2
AllocationId: !GetAtt 'ElasticIPAddress2.AllocationId'
SubnetId: !Ref PublicSubnet2
NatGatewayFromPublicSubnet3:
Condition: MoreThan2AZs
Type: 'AWS::EC2::NatGateway'
Properties:
Tags:
- Key: Name
Value: TerraformEngineNatGateway3
AllocationId: !GetAtt 'ElasticIPAddress3.AllocationId'
SubnetId: !Ref PublicSubnet3
ElasticIPAddress1:
Type: 'AWS::EC2::EIP'
Properties:
Domain: vpc
ElasticIPAddress2:
Condition: MoreThan1AZ
Type: 'AWS::EC2::EIP'
Properties:
Domain: vpc
ElasticIPAddress3:
Condition: MoreThan2AZs
Type: 'AWS::EC2::EIP'
Properties:
Domain: vpc
# Create Public Subnets
PublicSubnet1:
Type: AWS::EC2::Subnet
Properties:
AvailabilityZone: !Select [ 0, !GetAZs '' ]
CidrBlock: !Ref PublicSubnet1CIDR
MapPublicIpOnLaunch: true
Tags:
- Key: Name
Value: TerraformEnginePublicSubnet1
VpcId: !Ref VPC
PublicSubnet2:
Condition: MoreThan1AZ
Type: AWS::EC2::Subnet
Properties:
AvailabilityZone: !Select [ 1, !GetAZs '' ]
CidrBlock: !Ref PublicSubnet2CIDR
MapPublicIpOnLaunch: true
Tags:
- Key: Name
Value: TerraformEnginePublicSubnet2
VpcId: !Ref VPC
PublicSubnet3:
Condition: MoreThan2AZs
Type: AWS::EC2::Subnet
Properties:
AvailabilityZone: !Select [ 2, !GetAZs '' ]
CidrBlock: !Ref PublicSubnet3CIDR
MapPublicIpOnLaunch: true
Tags:
- Key: Name
Value: TerraformEnginePublicSubnet3
VpcId: !Ref VPC
# Create Public Route Table
PublicRouteTable:
Type: AWS::EC2::RouteTable
DependsOn:
- InternetGateway
- InternetGatewayAttachment
Properties:
Tags:
- Key: Name
Value: TerraformEnginePublicRouteTable
VpcId: !Ref VPC
PublicRoute:
Type: AWS::EC2::Route
DependsOn:
- InternetGateway
- InternetGatewayAttachment
Properties:
DestinationCidrBlock: 0.0.0.0/0
GatewayId: !Ref InternetGateway
RouteTableId: !Ref PublicRouteTable
# Associate Public Subnets
PublicSubnet1RouteTableAssociation:
Type: AWS::EC2::SubnetRouteTableAssociation
Properties:
RouteTableId: !Ref PublicRouteTable
SubnetId: !Ref PublicSubnet1
PublicSubnet2RouteTableAssociation:
Condition: MoreThan1AZ
Type: AWS::EC2::SubnetRouteTableAssociation
Properties:
RouteTableId: !Ref PublicRouteTable
SubnetId: !Ref PublicSubnet2
PublicSubnet3RouteTableAssociation:
Condition: MoreThan2AZs
Type: AWS::EC2::SubnetRouteTableAssociation
Properties:
RouteTableId: !Ref PublicRouteTable
SubnetId: !Ref PublicSubnet3
# Create Private Subnets
PrivateSubnet1:
Type: AWS::EC2::Subnet
Properties:
AvailabilityZone: !Select [ 0, !GetAZs '' ]
CidrBlock: !Ref PrivateSubnet1CIDR
MapPublicIpOnLaunch: false
Tags:
- Key: Name
Value: TerraformEnginePrivateSubnet1
VpcId: !Ref VPC
PrivateSubnet2:
Condition: MoreThan1AZ
Type: AWS::EC2::Subnet
Properties:
AvailabilityZone: !Select [ 1, !GetAZs '' ]
CidrBlock: !Ref PrivateSubnet2CIDR
MapPublicIpOnLaunch: false
Tags:
- Key: Name
Value: TerraformEnginePrivateSubnet2
VpcId: !Ref VPC
PrivateSubnet3:
Condition: MoreThan2AZs
Type: AWS::EC2::Subnet
Properties:
AvailabilityZone: !Select [ 2, !GetAZs '' ]
CidrBlock: !Ref PrivateSubnet3CIDR
MapPublicIpOnLaunch: false
Tags:
- Key: Name
Value: TerraformEnginePrivateSubnet3
VpcId: !Ref VPC
# Create Private Route Table
PrivateRouteTable1:
Type: 'AWS::EC2::RouteTable'
Properties:
Tags:
- Key: Name
Value: TerraformEnginePrivateRouteTable1
VpcId: !Ref VPC
PrivateRouteTable2:
Condition: MoreThan1AZ
Type: 'AWS::EC2::RouteTable'
Properties:
Tags:
- Key: Name
Value: TerraformEnginePrivateRouteTable2
VpcId: !Ref VPC
PrivateRouteTable3:
Condition: MoreThan2AZs
Type: 'AWS::EC2::RouteTable'
Properties:
Tags:
- Key: Name
Value: TerraformEnginePrivateRouteTable3
VpcId: !Ref VPC
# Create Routes in Private Subnet Route Tables
PrivateRoute1:
Type: 'AWS::EC2::Route'
Properties:
RouteTableId: !Ref PrivateRouteTable1
DestinationCidrBlock: '0.0.0.0/0'
NatGatewayId: !Ref NatGatewayFromPublicSubnet1
PrivateRoute2:
Condition: MoreThan1AZ
Type: 'AWS::EC2::Route'
Properties:
RouteTableId: !Ref PrivateRouteTable2
DestinationCidrBlock: '0.0.0.0/0'
NatGatewayId: !Ref NatGatewayFromPublicSubnet2
PrivateRoute3:
Condition: MoreThan2AZs
Type: 'AWS::EC2::Route'
Properties:
RouteTableId: !Ref PrivateRouteTable3
DestinationCidrBlock: '0.0.0.0/0'
NatGatewayId: !Ref NatGatewayFromPublicSubnet3
# Associate Private Subnets
PrivateRouteTableAssociation1:
Type: 'AWS::EC2::SubnetRouteTableAssociation'
Properties:
SubnetId: !Ref PrivateSubnet1
RouteTableId: !Ref PrivateRouteTable1
PrivateRouteTableAssociation2:
Type: 'AWS::EC2::SubnetRouteTableAssociation'
Condition: MoreThan1AZ
Properties:
SubnetId: !Ref PrivateSubnet2
RouteTableId: !Ref PrivateRouteTable2
PrivateRouteTableAssociation3:
Type: 'AWS::EC2::SubnetRouteTableAssociation'
Condition: MoreThan2AZs
Properties:
SubnetId: !Ref PrivateSubnet3
RouteTableId: !Ref PrivateRouteTable3
# Create Security Group
InstanceSecurityGroup:
Type: AWS::EC2::SecurityGroup
Properties:
GroupDescription: SSH (port 22)
VpcId: !Ref VPC
SecurityGroupIngress:
- IpProtocol: tcp
FromPort: 22
ToPort: 22
CidrIp: !Ref SSHLocation
S3GatewayEndpoint:
Type: AWS::EC2::VPCEndpoint
Properties:
VpcId: !Ref VPC
VpcEndpointType: Gateway
PolicyDocument:
Statement:
Effect: Allow
Action: s3:*
Resource: '*'
Principal: '*'
RouteTableIds:
- !Ref PublicRouteTable
ServiceName: !Sub 'com.amazonaws.${AWS::Region}.s3'
LoggingBucket:
Type: 'AWS::S3::Bucket'
Properties:
BucketName: !Sub 'sc-terraform-engine-logging-${AWS::AccountId}-${AWS::Region}'
VersioningConfiguration:
Status: Enabled
BucketEncryption:
ServerSideEncryptionConfiguration:
- ServerSideEncryptionByDefault:
SSEAlgorithm: AES256
LoggingBucketPolicy:
Type: AWS::S3::BucketPolicy
Properties:
Bucket: !Ref LoggingBucket
PolicyDocument:
Statement:
- Action: "s3:PutObject"
Effect: Allow
Principal:
Service:
logging.s3.amazonaws.com
Resource:
!Sub ${LoggingBucket.Arn}/*
Condition:
ArnLike:
"aws:SourceArn":
!GetAtt TerraformStateBucket.Arn
StringEquals:
"aws:SourceAccount":
!Sub "${AWS::AccountId}"
# Bucket for the Terraform S3 backend where state files are stored.
# This bucket name is used when overriding the Terraform backend.
# https://developer.hashicorp.com/terraform/language/settings/backends/s3
TerraformStateBucket:
Type: AWS::S3::Bucket
Properties:
BucketName: !Sub 'sc-terraform-engine-state-${AWS::AccountId}-${AWS::Region}'
AccessControl: Private
VersioningConfiguration:
Status: Enabled
BucketEncryption:
ServerSideEncryptionConfiguration:
- ServerSideEncryptionByDefault:
SSEAlgorithm: aws:kms
KMSMasterKeyID: !Ref TerraformStateBucketKey
LoggingConfiguration:
DestinationBucketName: !Ref LoggingBucket
LogFilePrefix: sc-terraform-engine-state/log
TerraformStateBucketKey:
Type: 'AWS::KMS::Key'
Properties:
Description: A symmetric encryption KMS key for TerraformStateBucket
EnableKeyRotation: true
PendingWindowInDays: 30
KeyPolicy:
Version: 2012-10-17
Statement:
- Sid: Enable KMS actions to principals in this account with IAM permissions
Effect: Allow
Principal:
AWS: !Sub arn:${AWS::Partition}:iam::${AWS::AccountId}:root
Action:
- "kms:*"
Resource: '*'
Tags:
- Key: Name
Value: TerraformStateBucketKey
TerraformStateBucketPolicy:
Type: AWS::S3::BucketPolicy
Properties:
Bucket: !Ref TerraformStateBucket
PolicyDocument:
Statement:
- Sid: DenyInsecureCommunications
Action: s3:*
Effect: Deny
Principal: "*"
Resource:
- !Sub ${TerraformStateBucket.Arn}/*
- !Sub ${TerraformStateBucket.Arn}
Condition:
Bool: { "aws:SecureTransport": false }
- Sid: AllowReadOnlyS3AccessForDesignatedRole
Action: s3:GetObject
Effect: Allow
Principal:
AWS: !GetAtt GetStateFileOutputsRole.Arn
Resource:
- !Sub ${TerraformStateBucket.Arn}/*
- !Sub ${TerraformStateBucket.Arn}
- Sid: AllowAllS3AccessForDesignatedRole
Action: s3:*
Effect: Allow
Principal:
AWS: !GetAtt TerraformAutoscalingGroupRole.Arn
Resource:
- !Sub ${TerraformStateBucket.Arn}/*
- !Sub ${TerraformStateBucket.Arn}
- Sid: DenyEveryoneElseExceptDesignatedRoles
Action: s3:*
Effect: Deny
Principal:
AWS: "*"
Condition:
ArnNotEquals:
aws:PrincipalArn:
- !GetAtt GetStateFileOutputsRole.Arn
- !GetAtt TerraformAutoscalingGroupRole.Arn
Resource:
- !Sub ${TerraformStateBucket.Arn}/*
- Sid: DenyAccessToPublicEndpoint
Action: s3:*
Effect: Deny
Principal:
AWS: "*"
Condition:
StringNotEquals:
aws:SourceVpce: !Ref S3GatewayEndpoint
Resource:
- !Sub ${TerraformStateBucket.Arn}/*
TerraformAutoscalingGroup:
Type: AWS::AutoScaling::AutoScalingGroup
CreationPolicy:
ResourceSignal:
Count: 1
Timeout: PT15M
Properties:
AutoScalingGroupName: TerraformAutoscalingGroup
AvailabilityZones: !If
- MoreThan2AZs
- - Fn::Select:
- 0
- Fn::GetAZs: !Ref 'AWS::Region'
- Fn::Select:
- 1
- Fn::GetAZs: !Ref 'AWS::Region'
- Fn::Select:
- 2
- Fn::GetAZs: !Ref 'AWS::Region'
- !If
- MoreThan1AZ
- - Fn::Select:
- 0
- Fn::GetAZs: !Ref 'AWS::Region'
- Fn::Select:
- 1
- Fn::GetAZs: !Ref 'AWS::Region'
- - Fn::Select:
- 0
- Fn::GetAZs: !Ref 'AWS::Region'
LaunchTemplate:
LaunchTemplateId: !Ref TerraformAutoScalingLaunchTemplate
Version: !GetAtt TerraformAutoScalingLaunchTemplate.LatestVersionNumber
MaxSize: 3
MinSize: 1
DesiredCapacity: 1
VPCZoneIdentifier: !If
- MoreThan2AZs
- - !Ref PrivateSubnet1
- !Ref PrivateSubnet2
- !Ref PrivateSubnet3
- !If
- MoreThan1AZ
- - !Ref PrivateSubnet1
- !Ref PrivateSubnet2
- - !Ref PrivateSubnet1
Tags:
- Key: Name
Value: TerraformEngineExecutionInstance
PropagateAtLaunch: true
TerraformAutoScalingLaunchTemplate:
Type: AWS::EC2::LaunchTemplate
Properties:
LaunchTemplateName: TerraformAutoscalingLaunchTemplate
LaunchTemplateData:
NetworkInterfaces:
- DeviceIndex: 0
AssociatePublicIpAddress: true
Groups:
- !Ref InstanceSecurityGroup
DeleteOnTermination: true
IamInstanceProfile:
Name: !Ref TerraformInstanceProfile
ImageId: !Ref ServerLatestAmiId
InstanceType: t2.micro
MetadataOptions:
HttpTokens: required
UserData:
Fn::Base64:
!Sub |
#!/bin/bash -xe
yum update -y aws-cfn-bootstrap
/opt/aws/bin/cfn-init -v --stack ${AWS::StackName} --resource TerraformAutoScalingLaunchTemplate --configsets setup --region ${AWS::Region}
/opt/aws/bin/cfn-signal -e $? --stack ${AWS::StackName} --resource TerraformAutoscalingGroup --region ${AWS::Region}
Metadata:
AWS::CloudFormation::Init:
configSets:
setup:
- install_terraform
- install_boto3
- install_terraform_runner
- create_workspaces_parent_dir
install_terraform:
packages:
yum:
yum-utils: [ ]
commands:
add_hashicorp_repo_to_yum:
command:
sudo yum-config-manager --add-repo https://rpm.releases.hashicorp.com/AmazonLinux/hashicorp.repo
install_terraform_cli_package:
command:
!Sub sudo yum -y install terraform-${TerraformCliVersion}
install_boto3:
commands:
01_pip_install:
command: 'pip3 install boto3'
install_terraform_runner:
packages:
yum:
jq: [ ]
git: [ ]
commands:
01_download_wheel:
command:
!Sub
- 'aws s3 cp s3://${BootstrapBucketName}/dist/terraform_runner-0.1-py3-none-any.whl /tmp/terraform_runner-0.1-py3-none-any.whl --region ${AWS::Region}'
- BootstrapBucketName: !ImportValue TerraformEngineBootstrapBucketName
02_install_wheel:
command: 'pip3 install /tmp/terraform_runner-0.1-py3-none-any.whl'
create_workspaces_parent_dir:
commands:
01_make_directory:
command: 'mkdir -p /home/ec2-user/workspaces'
02_change_directory_owner:
command: 'chown ec2-user:ec2-user /home/ec2-user/workspaces'
# Role for running Terraform on an instance.
# Here we establish the convention that launch role names must always start with "SCLaunch*"
# This role also has permission to download from a bootstrap bucket for python wheel/zip files.
# See setup instructions for details on creating and filling the bootstrap bucket.
TerraformAutoscalingGroupRole:
Type: AWS::IAM::Role
Properties:
Path: /TerraformEngine/
RoleName: !Sub 'TerraformExecutionRole-${AWS::Region}'
AssumeRolePolicyDocument:
Statement:
- Effect: Allow
Principal:
Service:
- ssm.amazonaws.com
- ec2.amazonaws.com
Action:
- sts:AssumeRole
ManagedPolicyArns:
- !Sub arn:${AWS::Partition}:iam::aws:policy/AmazonSSMManagedInstanceCore
- !Sub arn:${AWS::Partition}:iam::aws:policy/CloudWatchAgentServerPolicy
Policies:
- PolicyName: S3ObjectAccessPolicy
PolicyDocument:
Statement:
- Effect: Allow
Action:
- s3:GetObject
- s3:PutObject
Resource:
- !Sub ${TerraformStateBucket.Arn}/*
- !Sub
- '${BootstrapBucketArn}/*'
- BootstrapBucketArn: !ImportValue TerraformEngineBootstrapBucketArn
- PolicyName: KMSAccessPolicyForStateBucket
PolicyDocument:
Statement:
- Effect: Allow
Action:
- kms:DescribeKey
- kms:Decrypt
- kms:ReEncrypt
- kms:GenerateDataKey
Resource:
- !Sub ${TerraformStateBucketKey.Arn}
- PolicyName: LaunchRoleAssumptionPolicy
PolicyDocument:
Statement:
Effect: Allow
Action:
- sts:AssumeRole
Resource: !Sub "arn:${AWS::Partition}:iam::*:role/SCLaunch*"
TerraformInstanceProfile:
Type: AWS::IAM::InstanceProfile
Properties:
Path: /
Roles:
- !Ref TerraformAutoscalingGroupRole
QueueKey:
Type: 'AWS::KMS::Key'
Properties:
Description: A symmetric encryption KMS key for SQS queues
EnableKeyRotation: true
PendingWindowInDays: 30
KeyPolicy:
Version: 2012-10-17
Statement:
# Emulate default policy: https://docs.aws.amazon.com/kms/latest/developerguide/key-policy-default.html
- Sid: Enable KMS actions to principals in this account with IAM permissions
Effect: Allow
Principal:
AWS: !Sub arn:${AWS::Partition}:iam::${AWS::AccountId}:root
Action:
- "kms:*"
Resource: '*'
- Sid: Enable AWS Service Catalog to send messages
Effect: Allow
Principal:
Service: 'servicecatalog.amazonaws.com'
Action:
- kms:DescribeKey
- kms:Decrypt
- kms:ReEncrypt
- kms:GenerateDataKey
Resource: '*'
Tags:
- Key: Name
Value: TerraformEngineSQSEncryptionKey
# Queue for receiving provisioning messages from Service Catalog
TerraformEngineProvisioningQueue:
Type: AWS::SQS::Queue
Properties:
QueueName: ServiceCatalogTerraformOSProvisionOperationQueue
VisibilityTimeout: 180
KmsMasterKeyId: !Ref QueueKey
RedrivePolicy:
deadLetterTargetArn: !GetAtt TerraformEngineDLQ.Arn
maxReceiveCount: 5
# Queue for receiving update messages from Service Catalog
TerraformEngineUpdateQueue:
Type: AWS::SQS::Queue
Properties:
QueueName: ServiceCatalogTerraformOSUpdateOperationQueue
VisibilityTimeout: 180
KmsMasterKeyId: !Ref QueueKey
RedrivePolicy:
deadLetterTargetArn: !GetAtt TerraformEngineDLQ.Arn
maxReceiveCount: 5
# Queue for receiving terminate messages from Service Catalog
TerraformEngineTerminateQueue:
Type: AWS::SQS::Queue
Properties:
QueueName: ServiceCatalogTerraformOSTerminateOperationQueue
VisibilityTimeout: 180
KmsMasterKeyId: !Ref QueueKey
RedrivePolicy:
deadLetterTargetArn: !GetAtt TerraformEngineDLQ.Arn
maxReceiveCount: 5
TerraformEngineDLQ:
Type: AWS::SQS::Queue
Properties:
QueueName: ServiceCatalogTerraformOSOperationsDLQ
KmsMasterKeyId: !Ref QueueKey
TerraformEngineQueuePolicy:
Type: AWS::SQS::QueuePolicy
Properties:
Queues:
- !Ref TerraformEngineProvisioningQueue
- !Ref TerraformEngineUpdateQueue
- !Ref TerraformEngineTerminateQueue
PolicyDocument:
Statement:
- Sid: Enable AWS Service Catalog to send messages to the queue
Action:
- "sqs:SendMessage"
- "sqs:GetQueueUrl"
Effect: "Allow"
Resource:
- !GetAtt TerraformEngineProvisioningQueue.Arn
- !GetAtt TerraformEngineUpdateQueue.Arn
- !GetAtt TerraformEngineTerminateQueue.Arn
Principal:
Service:
- servicecatalog.amazonaws.com
- Sid: Enable AWS Service Catalog encryption/decryption permissions when sending message to queue
Action:
- "kms:DescribeKey"
- "kms:Decrypt"
- "kms:ReEncrypt"
- "kms:GenerateDataKey"
Effect: "Allow"
Resource:
- !GetAtt QueueKey.Arn
Principal:
Service:
- servicecatalog.amazonaws.com
TerraformEngineProvisioningHandlerLambda:
Type: AWS::Serverless::Function
Properties:
FunctionName: TerraformEngineProvisioningHandlerLambda
Description: Function to process the SQS queue and trigger the provisioning state machine
Role: !GetAtt TerraformEngineProvisioningHandlerLambdaExecutionRole.Arn
PackageType: Zip
CodeUri: lambda-functions/provisioning-operations-handler
Handler: provisioning_operations_handler.handle_sqs_records
Runtime: python3.9
Timeout: 30
MemorySize: 256
Architectures:
- x86_64
Environment:
Variables:
STATE_MACHINE_ARN: !Ref ManageProvisionedProductStateMachine
TerraformEngineProvisioningHandlerLambdaExecutionRole:
Type: AWS::IAM::Role
Properties:
Path: /TerraformEngine/
AssumeRolePolicyDocument:
Statement:
- Effect: Allow
Principal:
Service:
- lambda.amazonaws.com
Action:
- sts:AssumeRole
ManagedPolicyArns:
- Fn::Sub: arn:${AWS::Partition}:iam::aws:policy/AWSXrayWriteOnlyAccess
- Fn::Sub: arn:${AWS::Partition}:iam::aws:policy/service-role/AWSLambdaBasicExecutionRole
Policies:
- PolicyName: AllowSqs
PolicyDocument:
Statement:
- Effect: Allow
Action:
- sqs:ReceiveMessage
- sqs:DeleteMessage
- sqs:GetQueueAttributes
Resource:
- !GetAtt TerraformEngineProvisioningQueue.Arn
- !GetAtt TerraformEngineUpdateQueue.Arn
- PolicyName: AllowKmsDecrypt
PolicyDocument:
Statement:
- Effect: Allow
Action:
- kms:Decrypt
Resource:
- !GetAtt QueueKey.Arn
- PolicyName: AllowStepFunction
PolicyDocument:
Statement:
- Effect: Allow
Action:
- states:StartExecution
Resource: !Ref ManageProvisionedProductStateMachine
TerraformEngineProvisioningHandlerLambdaEventSourceMapping:
Type: AWS::Lambda::EventSourceMapping
Properties:
BatchSize: 10
Enabled: true
EventSourceArn: !GetAtt TerraformEngineProvisioningQueue.Arn
FunctionName: !GetAtt TerraformEngineProvisioningHandlerLambda.Arn
FunctionResponseTypes: [ ReportBatchItemFailures ]
TerraformEngineUpdateQueueLambdaEventSourceMapping:
Type: AWS::Lambda::EventSourceMapping
Properties:
BatchSize: 10
Enabled: true
EventSourceArn: !GetAtt TerraformEngineUpdateQueue.Arn
FunctionName: !GetAtt TerraformEngineProvisioningHandlerLambda.Arn
FunctionResponseTypes: [ ReportBatchItemFailures ]
TerraformEngineTerminateHandlerLambda:
Type: AWS::Serverless::Function
Properties:
FunctionName: TerraformEngineTerminateHandlerLambda
Description: Function to process the Terminate SQS queue and trigger the provisioning state machine
Role: !GetAtt TerraformEngineTerminateHandlerLambdaExecutionRole.Arn
PackageType: Zip
CodeUri: lambda-functions/provisioning-operations-handler
Handler: provisioning_operations_handler.handle_sqs_records
Runtime: python3.9
Timeout: 30
MemorySize: 256
Architectures:
- x86_64
Environment:
Variables:
STATE_MACHINE_ARN: !Ref TerminateProvisionedProductStateMachine
TerraformEngineTerminateHandlerLambdaExecutionRole:
Type: AWS::IAM::Role
Properties:
Path: /TerraformEngine/
AssumeRolePolicyDocument:
Statement:
- Effect: Allow
Principal:
Service:
- lambda.amazonaws.com
Action:
- sts:AssumeRole
ManagedPolicyArns:
- Fn::Sub: arn:${AWS::Partition}:iam::aws:policy/AWSXrayWriteOnlyAccess
- Fn::Sub: arn:${AWS::Partition}:iam::aws:policy/service-role/AWSLambdaBasicExecutionRole
Policies:
- PolicyName: AllowSqs
PolicyDocument:
Statement:
- Effect: Allow
Action:
- sqs:ReceiveMessage
- sqs:DeleteMessage
- sqs:GetQueueAttributes
Resource:
- !GetAtt TerraformEngineTerminateQueue.Arn
- PolicyName: AllowKmsDecrypt
PolicyDocument:
Statement:
- Effect: Allow
Action:
- kms:Decrypt
Resource:
- !GetAtt QueueKey.Arn
- PolicyName: AllowStepFunction
PolicyDocument:
Statement:
- Effect: Allow
Action:
- states:StartExecution
Resource: !Ref TerminateProvisionedProductStateMachine
TerraformEngineTerminateHandlerLambdaEventSourceMapping:
Type: AWS::Lambda::EventSourceMapping
Properties:
BatchSize: 10
Enabled: true
EventSourceArn: !GetAtt TerraformEngineTerminateQueue.Arn
FunctionName: !GetAtt TerraformEngineTerminateHandlerLambda.Arn
FunctionResponseTypes: [ ReportBatchItemFailures ]
ParameterParser:
Type: AWS::Serverless::Function
Properties:
FunctionName: ServiceCatalogTerraformOSParameterParser
CodeUri: lambda-functions/terraform_open_source_parameter_parser/
Handler: terraform_open_source_parameter_parser
VpcConfig:
SubnetIds: !If
- MoreThan2AZs
- - !Ref PrivateSubnet1
- !Ref PrivateSubnet2
- !Ref PrivateSubnet3
- !If
- MoreThan1AZ
- - !Ref PrivateSubnet1
- !Ref PrivateSubnet2
- - !Ref PrivateSubnet1
SecurityGroupIds:
- !GetAtt VPC.DefaultSecurityGroup
Runtime: go1.x
Architectures:
- x86_64
MemorySize: !Ref ParameterParserLambdaMemorySize
Timeout: 100
Role:
Fn::GetAtt:
- ParameterParserRole
- Arn
ParameterParserRole:
Type: AWS::IAM::Role
Properties:
Path: /TerraformEngine/
RoleName: !Sub 'ServiceCatalogTerraformOSParameterParserRole-${AWS::Region}'
ManagedPolicyArns:
- Fn::Sub: arn:${AWS::Partition}:iam::aws:policy/service-role/AWSLambdaBasicExecutionRole
- Fn::Sub: arn:${AWS::Partition}:iam::aws:policy/service-role/AWSLambdaVPCAccessExecutionRole