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template.yaml
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template.yaml
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AWSTemplateFormatVersion: 2010-09-09
Description: SAM template for WordPress with AWS Lambda, Aurora Serverless and Amazon EFS
Transform: AWS::Serverless-2016-10-31
Parameters:
LatestAmzn2LinuxImageId:
Type: AWS::SSM::Parameter::Value<AWS::EC2::Image::Id>
Default: /aws/service/ami-amazon-linux-latest/amzn2-ami-hvm-x86_64-gp2
Resources:
Function:
Type: AWS::Serverless::Function
DependsOn:
- FSMountTargetAZ1
- FSMountTargetAZ2
Properties:
FunctionName: !Sub ${AWS::StackName}-phpserver
CodeUri: src
Handler: handler.php
MemorySize: 256
# HTTP API quotas / Maximum integration timeout: 30 seconds (Can not be increased)
# https://docs.aws.amazon.com/apigateway/latest/developerguide/limits.html
# XXX: WordPress often reaches this quota, but it's hard to fix.
Timeout: 30
Tracing: Active
Runtime: provided
Layers:
- !Sub arn:aws:lambda:${AWS::Region}:887080169480:layer:php73:3
VpcConfig:
SecurityGroupIds:
- !Ref SecurityGroupFunction
SubnetIds:
- !Ref SubnetPrivateAZ1
- !Ref SubnetPrivateAZ2
FileSystemConfigs:
- Arn: !GetAtt AccessPoint.Arn
# XXX: hard-coded
LocalMountPath: /mnt/docroot
Events:
Root:
Type: HttpApi
Properties:
ApiId: !Ref HttpApi
Path: $default
Method: ANY
# backward compatibility for REST API (API Gateway v1) Lambda integration
# https://docs.aws.amazon.com/apigateway/latest/developerguide/http-api-develop-integrations-lambda.html#http-api-develop-integrations-lambda.proxy-format
PayloadFormatVersion: '1.0'
HttpApi:
Type: AWS::Serverless::HttpApi
Properties:
AccessLogSettings:
DestinationArn: !GetAtt LogGroup.Arn
# DO NOT INDENT ATTRIBUTES!
# SEE ALSO: https://github.com/serverless/serverless/issues/7162#issuecomment-570510828
Format: >-
{
"requestId":"$context.requestId",
"ip": "$context.identity.sourceIp",
"requestTime":"$context.requestTime",
"httpMethod":"$context.httpMethod",
"routeKey":"$context.routeKey",
"status":"$context.status",
"protocol":"$context.protocol",
"responseLength":"$context.responseLength",
"error.message": "$context.error.message",
"integrationErrorMessage", "$context.integrationErrorMessage"
}
SecurityGroupFunction:
Type: AWS::EC2::SecurityGroup
Properties:
GroupDescription: Security Group for Lambda
VpcId: !Ref Vpc
LogGroup:
Type: AWS::Logs::LogGroup
CloudWatchRole:
Type: AWS::IAM::Role
Properties:
AssumeRolePolicyDocument:
Version: 2012-10-17
Statement:
- Effect: Allow
Principal:
Service:
- apigateway.amazonaws.com
Action:
- sts:AssumeRole
Path: /
ManagedPolicyArns:
- arn:aws:iam::aws:policy/service-role/AmazonAPIGatewayPushToCloudWatchLogs
Account:
Type: AWS::ApiGateway::Account
Properties:
CloudWatchRoleArn: !GetAtt CloudWatchRole.Arn
Vpc:
Type: AWS::EC2::VPC
Properties:
# XXX: hard-coded
CidrBlock: 10.0.0.0/16
EnableDnsHostnames: true
EnableDnsSupport: true
InternetGateway:
Type: AWS::EC2::InternetGateway
InternetGatewayAttachment:
Type: AWS::EC2::VPCGatewayAttachment
Properties:
VpcId: !Ref Vpc
InternetGatewayId: !Ref InternetGateway
SubnetPublicAZ1:
Type: AWS::EC2::Subnet
Properties:
VpcId: !Ref Vpc
# XXX: hard-coded
CidrBlock: 10.0.1.0/24
AvailabilityZone: !Select
- 0
- !GetAZs ''
SubnetPublicAZ2:
Type: AWS::EC2::Subnet
Properties:
VpcId: !Ref Vpc
# XXX: hard-coded
CidrBlock: 10.0.2.0/24
AvailabilityZone: !Select
- 1
- !GetAZs ''
SubnetPrivateAZ2:
Type: AWS::EC2::Subnet
Properties:
VpcId: !Ref Vpc
# XXX: hard-coded
CidrBlock: 10.0.3.0/24
AvailabilityZone: !Select
- 0
- !GetAZs ''
SubnetPrivateAZ1:
Type: AWS::EC2::Subnet
Properties:
VpcId: !Ref Vpc
# XXX: hard-coded
CidrBlock: 10.0.4.0/24
AvailabilityZone: !Select
- 1
- !GetAZs ''
RouteTablePublic:
Type: AWS::EC2::RouteTable
Properties:
VpcId: !Ref Vpc
RoutePublic:
Type: AWS::EC2::Route
Properties:
RouteTableId: !Ref RouteTablePublic
DestinationCidrBlock: 0.0.0.0/0
GatewayId: !Ref InternetGateway
RouteTableAssocPublicAZ1:
Type: AWS::EC2::SubnetRouteTableAssociation
Properties:
RouteTableId: !Ref RouteTablePublic
SubnetId: !Ref SubnetPublicAZ1
RouteTableAssocPublicAZ2:
Type: AWS::EC2::SubnetRouteTableAssociation
Properties:
RouteTableId: !Ref RouteTablePublic
SubnetId: !Ref SubnetPublicAZ2
EipAZ1:
Type: AWS::EC2::EIP
NatGatewayAZ1:
Type: AWS::EC2::NatGateway
Properties:
SubnetId: !Ref SubnetPublicAZ1
AllocationId: !GetAtt EipAZ1.AllocationId
EipAZ2:
Type: AWS::EC2::EIP
NatGatewayAZ2:
Type: AWS::EC2::NatGateway
Properties:
SubnetId: !Ref SubnetPublicAZ2
AllocationId: !GetAtt EipAZ2.AllocationId
RouteTablePrivateAZ1:
Type: AWS::EC2::RouteTable
Properties:
VpcId: !Ref Vpc
RoutePrivateAZ1:
Type: AWS::EC2::Route
Properties:
RouteTableId: !Ref RouteTablePrivateAZ1
DestinationCidrBlock: 0.0.0.0/0
NatGatewayId: !Ref NatGatewayAZ1
RouteTableAssocPrivateAZ1:
Type: AWS::EC2::SubnetRouteTableAssociation
Properties:
RouteTableId: !Ref RouteTablePrivateAZ1
SubnetId: !Ref SubnetPrivateAZ1
RouteTablePrivateAZ2:
Type: AWS::EC2::RouteTable
Properties:
VpcId: !Ref Vpc
RoutePrivateAZ2:
Type: AWS::EC2::Route
Properties:
RouteTableId: !Ref RouteTablePrivateAZ2
DestinationCidrBlock: 0.0.0.0/0
NatGatewayId: !Ref NatGatewayAZ2
RouteTableAssocPrivateAZ2:
Type: AWS::EC2::SubnetRouteTableAssociation
Properties:
RouteTableId: !Ref RouteTablePrivateAZ2
SubnetId: !Ref SubnetPrivateAZ2
DBCluster:
Type: AWS::RDS::DBCluster
Properties:
# Now Aurora Serverless has compatibility with MySQL 5.7.
# https://aws.amazon.com/about-aws/whats-new/2020/06/announcing-aurora-serverless-with-mysql-5-7-compatibility/
Engine: aurora-mysql
EngineMode: serverless
MasterUsername: !Join ['', ['{{resolve:secretsmanager:', !Ref SecretDB, ':SecretString:username}}' ]]
MasterUserPassword: !Join ['', ['{{resolve:secretsmanager:', !Ref SecretDB, ':SecretString:password}}' ]]
DBClusterParameterGroupName: !Ref DBClusterParameterGroup
DBSubnetGroupName: !Ref DBSubnetGroup
DatabaseName: wordpress
StorageEncrypted: true
VpcSecurityGroupIds:
- !Ref SecurityGroupDBCluster
SecretTargetAttachment:
Type: AWS::SecretsManager::SecretTargetAttachment
Properties:
SecretId: !Ref SecretDB
TargetId: !Ref DBCluster
TargetType: AWS::RDS::DBCluster
SecretDB:
Type: AWS::SecretsManager::Secret
Properties:
Name: wordpress-database
GenerateSecretString:
SecretStringTemplate: '{"username":"wordpress"}'
GenerateStringKey: password
# https://docs.aws.amazon.com/AmazonRDS/latest/AuroraUserGuide/CHAP_Limits.html#RDS_Limits.FileSize.Aurora
ExcludeCharacters: '/"@ '
DBClusterParameterGroup:
Type: AWS::RDS::DBClusterParameterGroup
Properties:
Family: aurora-mysql5.7
Description: for Unicode support
Parameters:
# The following options are not required to use character_set_server=utf8mb4 with MySQL 5.7.
# - innodb_file_format
# - innodb_default_row_format
# - innodb_large_prefix
# SEE ALSO: https://dev.to/seizans/mysqlinnodb--charset--utf8mb4--1451
character_set_server: utf8mb4
# for Sushi-Beer issue
# SEE ALSO: https://blog.kamipo.net/entry/2017/06/22/005958
collation_server: utf8mb4_bin
DBSubnetGroup:
Type: AWS::RDS::DBSubnetGroup
Properties:
DBSubnetGroupDescription: !Ref Vpc
SubnetIds:
- !Ref SubnetPrivateAZ1
- !Ref SubnetPrivateAZ2
SecurityGroupDBCluster:
Type: AWS::EC2::SecurityGroup
Properties:
GroupDescription: Security Group for Aurora Serverless
VpcId: !Ref Vpc
SecurityGroupIngress:
- IpProtocol: tcp
FromPort: 3306
ToPort: 3306
SourceSecurityGroupId: !Ref SecurityGroupFunction
FileSystem:
Type: AWS::EFS::FileSystem
Properties:
Encrypted: true
AccessPoint:
Type: AWS::EFS::AccessPoint
Properties:
FileSystemId: !Ref FileSystem
PosixUser:
# XXX: hard-coded (uid=1000,gid=1000 = ec2-user)
Uid: '1000'
Gid: '1000'
RootDirectory:
CreationInfo:
OwnerGid: '1000'
OwnerUid: '1000'
Permissions: '0755'
# XXX: hard-coded, but it's not visible from AWS Lambda.
Path: /lambda
FSMountTargetAZ1:
Type: AWS::EFS::MountTarget
Properties:
FileSystemId: !Ref FileSystem
SubnetId: !Ref SubnetPrivateAZ1
SecurityGroups:
- !Ref SecurityGroupFileSystem
FSMountTargetAZ2:
Type: AWS::EFS::MountTarget
Properties:
FileSystemId: !Ref FileSystem
SubnetId: !Ref SubnetPrivateAZ2
SecurityGroups:
- !Ref SecurityGroupFileSystem
SecurityGroupFileSystem:
Type: AWS::EC2::SecurityGroup
Properties:
GroupDescription: Security Group for EFS
VpcId: !Ref Vpc
SecurityGroupIngress:
- IpProtocol: tcp
FromPort: 2049
ToPort: 2049
SourceSecurityGroupId: !Ref SecurityGroupFunction
Instance:
DependsOn:
- AccessPoint
- FSMountTargetAZ1
Type: AWS::EC2::Instance
Properties:
ImageId: !Ref LatestAmzn2LinuxImageId
SubnetId: !Ref SubnetPrivateAZ1
InstanceType: t3.nano
IamInstanceProfile: !Ref InstanceProfile
UserData:
Fn::Base64: !Sub |
#!/bin/bash -x
yum install -y amazon-efs-utils
mount -t efs -o tls,accesspoint=${AccessPoint} ${FileSystem} /mnt
cd /tmp
curl -L https://ja.wordpress.org/latest-ja.zip -o latest-ja.zip
unzip -x latest-ja.zip && rm latest-ja.zip
cp -r wordpress/* /mnt && rm -rf wordpress/
chown -R 1000:1000 /mnt/*
SecurityGroupIds:
- !Ref SecurityGroupFunction
InstanceRole:
Type: AWS::IAM::Role
Properties:
AssumeRolePolicyDocument:
Version: 2012-10-17
Statement:
-
Effect: Allow
Principal:
Service:
- ec2.amazonaws.com
Action:
- sts:AssumeRole
ManagedPolicyArns:
- arn:aws:iam::aws:policy/AmazonSSMManagedInstanceCore
InstanceProfile:
Type: AWS::IAM::InstanceProfile
Properties:
Roles:
- !Ref InstanceRole
Outputs:
DBHost:
Value: !GetAtt DBCluster.Endpoint.Address
HttpApiEndpoint:
Value: !Sub https://${HttpApi}.execute-api.${AWS::Region}.amazonaws.com
Instance:
Value: !Ref Instance