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268 136 aws-samples/aws-refarch-wordpress
 Code  Issues 18  Pull requests 2  Insights
aws-refarch-wordpress/templates/aws-refarch-wordpress-04-web.yaml
be57c4b  on Mar 20
@darrylsosborne darrylsosborne Merge pull request #35 from psd401/master
@blandman @darrylsosborne

1132 lines (1116 sloc)  45.2 KB
---
AWSTemplateFormatVersion: 2010-09-09

Description: Reference Architecture to host WordPress on AWS - Creates WordPress web Auto Scaling group

Metadata:

  Authors:
    Description: Darryl Osborne (darrylo@amazon.com)
  License:
    Description: 'Copyright 2018 Amazon.com, Inc. and its affiliates. All Rights Reserved.
      Licensed under the Amazon Software License (the "License"). You may not use this file
      except in compliance with the License. A copy of the License is located at
      http://aws.amazon.com/asl/
      or in the "license" file accompanying this file. This file is distributed on an "AS IS"
      BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
      License for the specific language governing permissions and limitations under the License.'

  AWS::CloudFormation::Interface:
    ParameterGroups:
    - Label:
        default: Web Parameters
      Parameters:
        - PHPVersion
        - PHPIniOverride
        - EC2KeyName
        - WebInstanceType
        - WebAsgMax
        - WebAsgMin
        - WebSecurityGroup
        - NumberOfSubnets
        - Subnet
        - PublicAlbTargetGroupArn
        - PublicAlbHostname
        - SslCertificate
    - Label:
        default: WordPress Parameters
      Parameters:
        - WPVersion
        - WPTitle
        - WPDomainName
        - WPDirectory
        - WPAdminUsername
        - WPAdminPassword
        - WPAdminEmail
        - WPLocale
    - Label:
        default: Database Parameters
      Parameters:
        - DatabaseClusterEndpointAddress
        - DatabaseName
        - DatabaseMasterUsername
        - DatabaseMasterPassword
    - Label:
        default: File System Parameters
      Parameters:
        - ElasticFileSystem
    ParameterLabels:
      PHPIniOverride:
        default: AWS php.ini Overrides
      DatabaseClusterEndpointAddress:
        default: DB Cluster Endpoint Address
      DatabaseMasterUsername:
        default: DB Master Username
      DatabaseMasterPassword:
        default: DB Master Password
      DatabaseName:
        default: DB Name
      ElasticFileSystem:
        default: EFS File System
      EC2KeyName:
        default: Existing Key Pair
      NumberOfSubnets:
        default: Number of subnets
      PHPVersion:
        default: PHP Version
      PublicAlbTargetGroupArn:
        default: Public Alb Target Group Arn
      PublicAlbHostname:
        default: Public Alb Hostname
      SslCertificate:
        default: ACM Cert attached to Public Alb
      Subnet:
        default: Subnets
      WebAsgMax:
        default: Web ASG Max
      WebAsgMin:
        default: Web ASG Min
      WebInstanceType:
        default: Web Instance Type
      WebSecurityGroup:
        default: Web Security Group
      WPAdminEmail:
        default: Admin Email
      WPAdminPassword:
        default: Admin Password
      WPAdminUsername:
        default: Admin Username
      WPDirectory:
        default: Site Directory
      WPDomainName:
        default: Site Domain
      WPLocale:
        default: Language Code
      WPTitle:
        default: Site Title
      WPVersion:
        default: WordPress Version

Parameters:

  DatabaseClusterEndpointAddress:
    Description: The RDS cluster endpoint address.
    Type: String
  DatabaseMasterUsername:
    AllowedPattern: ^([a-zA-Z0-9]*)$
    Description: The Amazon RDS master username.
    ConstraintDescription: Must contain only alphanumeric characters and be at least 8 characters.
    MaxLength: 16
    MinLength: 1
    Type: String
  DatabaseMasterPassword:
    AllowedPattern: ^([a-z0-9A-Z`~!#$%^&*()_+,\\-])*$
    ConstraintDescription: Must be letters (upper or lower), numbers, and these special characters '_'`~!#$%^&*()_+,-
    Description: The Amazon RDS master password.
    MaxLength: 41
    MinLength: 8
    NoEcho: true
    Type: String
  DatabaseName:
    AllowedPattern: ^([a-zA-Z0-9]*)$
    Description: The Amazon RDS master database name.
    Type: String
  ElasticFileSystem:
    AllowedPattern: ^(fs-)([a-z0-9]{8})$
    Description: The Amazon EFS file system id.
    Type: String
  EC2KeyName:
    AllowedPattern: ^([a-zA-Z0-9 @.`~!#$%^&*()_+,\\-])*$
    ConstraintDescription: Must be letters (upper or lower), numbers, and special characters.
    Description: Name of an EC2 KeyPair. Your bastion & Web instances will launch with this KeyPair.
    Type: AWS::EC2::KeyPair::KeyName
  NumberOfSubnets:
    AllowedValues:
    - 2
    - 3
    - 4
    - 5
    - 6
    Default: 3
    Description: Number of subnets. This must match your selections in the list of subnets below.
    Type: String
  PHPIniOverride:
    Description: Full Amazon S3 https path to a php.ini override file (e.g. https://s3.amazonaws.com/aws-refarch/wordpress/latest/bits/20-aws.ini)
    Type: String
  PHPVersion:
    AllowedValues:
    - 5.5
    - 5.6
    - 7.0
    Default: 7.0
    Description: The version of PHP to install.
    Type: String
  PublicAlbTargetGroupArn:
    Description: The public application load balancer target group arn.
    Type: String
  PublicAlbHostname:
    Description: The hostname of the public ALB http form (e.g. http://abdc-12345-xyz.<region>.elb.amazonaws.com)
    Type: String
  SslCertificate:
    AllowedValues:
      - True
      - False
    Default: False
    Description: Is there an ACM SSL Certificate attached to the Public Alb?
    Type:
      String
  Subnet:
    Description: Select existing subnets. The number selected must match the number of subnets above. Subnets selected must be in separate AZs.
    Type: List<AWS::EC2::Subnet::Id>
  WebAsgMax:
    AllowedPattern: ^((?!0$)[1-2]?[0-9]|30)$
    ConstraintDescription: Must be a number between 1 and 30.
    Default: 4
    Description: Specifies the maximum number of EC2 instances in the Web Autoscaling Group.
    Type: String
  WebAsgMin:
    AllowedPattern: ^([0-0]?[0-9]|10)$
    ConstraintDescription: Must be a number between 0 and 10.
    Default: 2
    Description: Specifies the minimum number of EC2 instances in the Web Autoscaling Group.
    Type: String
  WebInstanceType:
    AllowedValues:
    - t2.nano
    - t2.micro
    - t2.small
    - t2.medium
    - t2.large
    - t2.xlarge
    - t2.2xlarge
    - m3.medium
    - m3.large
    - m3.xlarge
    - m3.2xlarge
    - m4.large
    - m4.xlarge
    - m4.2xlarge
    - m4.4xlarge
    - m4.10xlarge
    - m4.16xlarge
    - m5.large
    - m5.xlarge
    - m5.2xlarge
    - m5.4xlarge
    - m5.12xlarge
    - m5.24xlarge
    - c3.large
    - c3.xlarge
    - c3.2xlarge
    - c3.4xlarge
    - c3.8xlarge
    - c4.large
    - c4.xlarge
    - c4.2xlarge
    - c4.4xlarge
    - c4.8xlarge
    - c5.large
    - c5.xlarge
    - c5.2xlarge
    - c5.4xlarge
    - c5.9xlarge
    - c5.18xlarge
    - r3.large
    - r3.xlarge
    - r3.2xlarge
    - r3.4xlarge
    - r3.8xlarge
    - r4.large
    - r4.xlarge
    - r4.2xlarge
    - r4.4xlarge
    - r4.8xlarge
    - r4.16xlarge
    - x1.16xlarge
    - x1.32xlarge
    - x1e.xlarge
    - x1e.2xlarge
    - x1e.4xlarge
    - x1e.8xlarge
    - x1e.16xlarge
    - x1e.32xlarge
    - d2.xlarge
    - d2.2xlarge
    - d2.4xlarge
    - d2.8xlarge
    - h1.2xlarge
    - h1.4xlarge
    - h1.8xlarge
    - h1.16xlarge
    - i2.xlarge
    - i2.2xlarge
    - i2.4xlarge
    - i2.8xlarge
    - i3.large
    - i3.xlarge
    - i3.2xlarge
    - i3.4xlarge
    - i3.8xlarge
    - i3.16xlarge
    - f1.2xlarge
    - f1.16xlarge
    - g2.2xlarge
    - g2.8xlarge
    - g3.4xlarge
    - g3.8xlarge
    - g3.16xlarge
    - p2.xlarge
    - p2.8xlarge
    - p2.16xlarge
    - p3.2xlarge
    - p3.8xlarge
    - p3.16xlarge
    ConstraintDescription: Must be a valid Amazon EC2 instance type.
    Default: t2.large
    Description: The Amazon EC2 instance type for your web instances.
    Type: String
  WebSecurityGroup:
    Description: Select the web security group.
    Type: AWS::EC2::SecurityGroup::Id
  WPAdminEmail:
    AllowedPattern: ^(([^<>()\[\]\\.,;:\s@"]+(\.[^<>()\[\]\\.,;:\s@"]+)*)|(".+"))@((\[[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}])|(([a-zA-Z\-0-9]+\.)+[a-zA-Z]{2,}))$
    Description: The WordPress admin email address.
    Type: String
  WPAdminPassword:
    AllowedPattern: ^([a-zA-Z0-9`~!#$%^&*()_+,\\-])*$
    ConstraintDescription: Must be letters (upper or lower), numbers, and these special characters '_'`~!#$%^&*()_+,-
    Description: The WordPress admin password.
    Type: String
    NoEcho: true
  WPAdminUsername:
    AllowedPattern: ^([a-zA-Z0-9])([a-zA-Z0-9_-])*([a-zA-Z0-9])$
    Description: The WordPress admin username.
    Type: String
  WPDirectory:
    AllowedPattern: ^([a-zA-Z0-9])([a-zA-Z0-9_-])*([a-zA-Z0-9])$
    Description: The WordPress site directory.
    Type: String
  WPDomainName:
    AllowedPattern: ^$|(([a-zA-Z0-9]|[a-zA-Z0-9][a-zA-Z0-9\-]*[a-zA-Z0-9])\.)*([A-Za-z0-9]|[A-Za-z0-9][A-Za-z0-9\-]*[A-Za-z0-9])$
    Description: '[ Optional ] The main domain name of the WordPress site (e.g. example.com). Leave empty to use the ALB DNS name for the WordPress site.'
    Type: String
  WPLocale:
    Description: The main language of the WordPress site, as per https://codex.WordPress.org/Installing_WordPress_in_Your_Language. The default is 'en_GB'.
    Type: String
    Default: en_GB
  WPTitle:
    AllowedPattern: ^([a-zA-Z0-9])([a-zA-Z0-9 _-]*)([a-zA-Z0-9])$
    Description: The WordPress website title.
    Type: String
  WPVersion:
    AllowedValues:
      - latest
      - nightly
      - 4.5
      - 4.6
      - 4.7
      - 4.8
      - 4.9
    Default: latest
    Description: The WordPress version (make sure this version is compatible with the PHP version selected above).
    Type: String

Conditions:

  NoSslCertificate:
    !Equals [ False, !Ref SslCertificate ]
  NumberOfSubnets1:
    !Equals [ 1, !Ref NumberOfSubnets ]
  NumberOfSubnets2:
    !Equals [ 2, !Ref NumberOfSubnets ]
  NumberOfSubnets3:
    !Equals [ 3, !Ref NumberOfSubnets ]
  NumberOfSubnets4:
    !Equals [ 4, !Ref NumberOfSubnets ]
  NumberOfSubnets5:
    !Equals [ 5, !Ref NumberOfSubnets ]
  NumberOfSubnets6:
    !Equals [ 6, !Ref NumberOfSubnets ]
  PHP55:
    !Equals [ 5.5, !Ref PHPVersion ]
  PHP56:
    !Equals [ 5.6, !Ref PHPVersion ]
  PHP70:
    !Equals [ 7.0, !Ref PHPVersion ]
  Subnet0: !Or
    - !Condition NumberOfSubnets1
    - !Condition NumberOfSubnets2
    - !Condition NumberOfSubnets3
    - !Condition NumberOfSubnets4
    - !Condition NumberOfSubnets5
    - !Condition NumberOfSubnets6
  Subnet1: !Or
    - !Condition NumberOfSubnets2
    - !Condition NumberOfSubnets3
    - !Condition NumberOfSubnets4
    - !Condition NumberOfSubnets5
    - !Condition NumberOfSubnets6
  Subnet2: !Or
    - !Condition NumberOfSubnets3
    - !Condition NumberOfSubnets4
    - !Condition NumberOfSubnets5
    - !Condition NumberOfSubnets6
  Subnet3: !Or
    - !Condition NumberOfSubnets4
    - !Condition NumberOfSubnets5
    - !Condition NumberOfSubnets6
  Subnet4: !Or
    - !Condition NumberOfSubnets5
    - !Condition NumberOfSubnets6
  Subnet5: !Condition NumberOfSubnets6
  NoWPDomainName:
    !Equals [ '', !Ref WPDomainName ]

Mappings:

  RegionMap:
    ap-northeast-1:
      AMI: ami-da9e2cbc
    ap-northeast-2:
      AMI: ami-1196317f
    ap-south-1:
      AMI: ami-d5c18eba
    ap-southeast-1:
      AMI: ami-c63d6aa5
    ap-southeast-2:
      AMI: ami-ff4ea59d
    ca-central-1:
      AMI: ami-d29e25b6
    eu-central-1:
      AMI: ami-bf2ba8d0
    eu-west-1:
      AMI: ami-1a962263
    eu-west-2:
      AMI: ami-e7d6c983
    sa-east-1:
      AMI: ami-286f2a44
    us-east-1:
      AMI: ami-55ef662f
    us-east-2:
      AMI: ami-15e9c770
    us-west-1:
      AMI: ami-a51f27c5
    us-west-2:
      AMI: ami-bf4193c7

Resources:

  WebInstanceProfile:
    Type: AWS::IAM::InstanceProfile
    Properties:
      Path: /
      Roles:
      - !Ref WebInstanceRole
  WebInstanceRole:
    Type: AWS::IAM::Role
    Properties:
      AssumeRolePolicyDocument:
        Version: 2012-10-17
        Statement:
        - Effect: Allow
          Principal:
            Service:
            - ec2.amazonaws.com
          Action:
          - sts:AssumeRole
      Path: /
      Policies:
      - PolicyName: logs
        PolicyDocument:
          Version: 2012-10-17
          Statement:
          - Effect: Allow
            Action:
            - logs:CreateLogGroup
            - logs:CreateLogStream
            - logs:PutLogEvents
            - logs:DescribeLogStreams
            Resource:
            - arn:aws:logs:*:*:*
  WebAutoScalingGroup:
    Type: AWS::AutoScaling::AutoScalingGroup
    Properties:
      Cooldown: 60
      HealthCheckGracePeriod: 120
      HealthCheckType: ELB
      LaunchConfigurationName:
        !If
          [ PHP55,
          !Ref WebLaunchConfiguration55,
          !If
            [ PHP56,
            !Ref WebLaunchConfiguration56,
            !Ref WebLaunchConfiguration70
            ]
          ]
      MaxSize: !Ref WebAsgMax
      MinSize: !Ref WebAsgMin
      Tags:
        - Key: Name
          Value: !Join [ '', [ 'Web ASG / ', !Ref 'AWS::StackName' ] ]
          PropagateAtLaunch: true
      TargetGroupARNs:
        - !Ref PublicAlbTargetGroupArn
      VPCZoneIdentifier:
        !If
          [ NumberOfSubnets1,
          [ !Select [ 0, !Ref Subnet ] ],
          !If
            [ NumberOfSubnets2,
            [ !Select [ 0, !Ref Subnet ], !Select [ 1, !Ref Subnet ] ],
            !If
              [ NumberOfSubnets3,
              [ !Select [ 0, !Ref Subnet ], !Select [ 1, !Ref Subnet ], !Select [ 2, !Ref Subnet ] ],
              !If
                [ NumberOfSubnets4,
                [ !Select [ 0, !Ref Subnet ], !Select [ 1, !Ref Subnet ], !Select [ 2, !Ref Subnet ], !Select [ 3, !Ref Subnet ] ],
                !If
                  [ NumberOfSubnets5,
                  [ !Select [ 0, !Ref Subnet ], !Select [ 1, !Ref Subnet ], !Select [ 2, !Ref Subnet ], !Select [ 3, !Ref Subnet ], !Select [ 4, !Ref Subnet ] ],
                  [ !Select [ 0, !Ref Subnet ], !Select [ 1, !Ref Subnet ], !Select [ 2, !Ref Subnet ], !Select [ 3, !Ref Subnet ], !Select [ 4, !Ref Subnet ], !Select [ 5, !Ref Subnet ] ]
                  ]
                ]
              ]
            ]
          ]
    CreationPolicy:
      ResourceSignal:
        Count: !Ref WebAsgMin
        Timeout: PT5M
  WebLaunchConfiguration55:
    Condition: PHP55
    Type: AWS::AutoScaling::LaunchConfiguration
    Metadata:
      AWS::CloudFormation::Init:
        configSets:
          deploy_webserver:
            - install_webserver
            - build_cacheclient
            - build_wordpress
            - build_opcache
            - download_aws_ini
            - install_aws_ini
            - install_cacheclient
            - install_wordpress
            - install_opcache
            - start_webserver
        install_webserver:
          packages:
            yum:
              awslogs: []
              httpd24: []
              mysql56: []
              php55: []
              php55-devel: []
              php55-pear: []
              php55-mysqlnd: []
          files:
            /tmp/create_site_conf.sh:
              content:
                !Join [
                  "",[
                    "#!/bin/bash -xe\n",
                    "if [ ! -f /etc/httpd/conf.d/", !Ref WPDirectory, ".conf ]; then\n",
                    "   touch /etc/httpd/conf.d/", !Ref WPDirectory, ".conf\n",
                    "   echo 'ServerName 127.0.0.1:80' >> /etc/httpd/conf.d/", !Ref WPDirectory, ".conf\n",
                    "   echo 'DocumentRoot /var/www/wordpress/", !Ref WPDirectory, "' >> /etc/httpd/conf.d/", !Ref WPDirectory, ".conf\n",
                    "   echo '<Directory /var/www/wordpress/", !Ref WPDirectory, ">' >> /etc/httpd/conf.d/", !Ref WPDirectory, ".conf\n",
                    "   echo '  Options Indexes FollowSymLinks' >> /etc/httpd/conf.d/", !Ref WPDirectory, ".conf\n",
                    "   echo '  AllowOverride All' >> /etc/httpd/conf.d/", !Ref WPDirectory, ".conf\n",
                    "   echo '  Require all granted' >> /etc/httpd/conf.d/", !Ref WPDirectory, ".conf\n",
                    "   echo '</Directory>' >> /etc/httpd/conf.d/", !Ref WPDirectory, ".conf\n",
                    "fi\n"
                  ]
                ]
              mode: 000500
              owner: root
              group: root
          commands:
            create_site_conf:
              command: ./create_site_conf.sh
              cwd: /tmp
              ignoreErrors: false
        build_cacheclient:
          packages:
            yum:
              gcc-c++: []
          files:
            /tmp/install_cacheclient.sh:
              content:
                !Sub |
                  #!/bin/bash -xe
                  pecl install igbinary
                  wget -P /tmp/ https://s3.amazonaws.com/aws-refarch/wordpress/latest/bits/AmazonElastiCacheClusterClient-1.0.1-PHP55-64bit.tgz
                  tar -xf '/tmp/AmazonElastiCacheClusterClient-1.0.1-PHP55-64bit.tgz'
                  cp '/tmp/AmazonElastiCacheClusterClient-1.0.0/amazon-elasticache-cluster-client.so' /usr/lib64/php/5.5/modules/
                  if [ ! -f /etc/php-5.5.d/50-memcached.ini ]; then
                      touch /etc/php-5.5.d/50-memcached.ini
                  fi
                  echo 'extension=igbinary.so;' >> /etc/php-5.5.d/50-memcached.ini
                  echo 'extension=/usr/lib64/php/5.5/modules/amazon-elasticache-cluster-client.so;' >> /etc/php-5.5.d/50-memcached.ini
              mode: 000500
              owner: root
              group: root
        build_opcache:
          packages:
            yum:
              php55-opcache: []
          files:
            /tmp/install_opcache.sh:
              content:
                !Sub |
                  #!/bin/bash -xe
                  # create hidden opcache directory locally & change owner to apache
                  if [ ! -d /var/www/.opcache ]; then
                      mkdir -p /var/www/.opcache
                  fi
                  # enable opcache in /etc/php-5.5.d/opcache.ini
                  sed -i 's/;opcache.file_cache=.*/opcache.file_cache=\/var\/www\/.opcache/' /etc/php-5.5.d/opcache.ini
                  sed -i 's/opcache.memory_consumption=.*/opcache.memory_consumption=512/' /etc/php-5.5.d/opcache.ini
                  # download opcache-instance.php to verify opcache status
                  if [ ! -f /var/www/wordpress/${WPDirectory}/opcache-instanceid.php ]; then
                      wget -P /var/www/wordpress/${WPDirectory}/ https://s3.amazonaws.com/aws-refarch/wordpress/latest/bits/opcache-instanceid.php
                  fi
              mode: 000500
              owner: root
              group: root
        build_wordpress:
          files:
            /tmp/install_wordpress.sh:
              content:
                !Join [
                  "",[
                    "#!/bin/bash -xe\n",
                    "\n",
                    "# install wp-cli\n",
                    "if [ ! -f /bin/wp/wp-cli.phar ]; then\n",
                    "   curl -o /bin/wp https://raw.githubusercontent.com/wp-cli/builds/gh-pages/phar/wp-cli.phar\n",
                    "   chmod +x /bin/wp\n",
                    "fi\n",
                    "\n",
                    "# make site directory\n",
                    "if [ ! -d /var/www/wordpress/", !Ref WPDirectory, " ]; then\n",
                    "   mkdir -p /var/www/wordpress/", !Ref WPDirectory, "\n",
                    "\n",
                    "   cd /var/www/wordpress/", !Ref WPDirectory, "\n",
                    "   # install wordpress if not installed\n",
                    "   # use public alb host name if wp domain name was empty\n",
                    "   if ! $(wp core is-installed --allow-root); then\n",
                    "       wp core download --version='", !Ref WPVersion, "' --locale='", !Ref WPLocale, "' --allow-root\n",
                    "       wp core config --dbname='", !Ref DatabaseName, "' --dbuser='", !Ref DatabaseMasterUsername, "' --dbpass='", !Ref DatabaseMasterPassword, "' --dbhost='", !Ref DatabaseClusterEndpointAddress, "' --dbprefix=wp_ --allow-root\n",
                    "       wp core install --url=", !If [ NoWPDomainName, !Ref PublicAlbHostname, !Join [ "", [ "'http://www.", !Ref WPDomainName, "'" ] ] ], " --title='", !Ref WPTitle, "' --admin_user='", !Ref WPAdminUsername, "' --admin_password='", !Ref WPAdminPassword, "' --admin_email='", !Ref WPAdminEmail, "' --skip-email --allow-root\n",
                    "       wp plugin install w3-total-cache\n",
                    "       sed -i \"/$table_prefix = 'wp_';/ a \\define('WP_HOME', 'http://' . \\$_SERVER['HTTP_HOST']); \" /var/www/wordpress/", !Ref WPDirectory, "/wp-config.php\n",
                    "       sed -i \"/$table_prefix = 'wp_';/ a \\define('WP_SITEURL', 'http://' . \\$_SERVER['HTTP_HOST']); \" /var/www/wordpress/", !Ref WPDirectory, "/wp-config.php\n",
                    "       # enable HTTPS in wp-config.php if ACM Public SSL Certificate parameter was not empty\n",
                            !If [ NoSslCertificate, !Join [ '', [ "       sed -i \"/$table_prefix = 'wp_';/ a \\# No ACM Public SSL Certificate \" /var/www/wordpress/", !Ref WPDirectory, "/wp-config.php\n" ] ] , !Join [ '', [ "       sed -i \"/$table_prefix = 'wp_';/ a \\$_SERVER['HTTPS'] = 'on';\" /var/www/wordpress/", !Ref WPDirectory, "/wp-config.php\n" ] ] ],
                    "\n",
                    "       # set permissions of wordpress site directories\n",
                    "       chown -R apache:apache /var/www/wordpress/", !Ref WPDirectory, "\n",
                    "       chmod u+wrx /var/www/wordpress/", !Ref WPDirectory, "/wp-content/*\n",
                    "       if [ ! -f /var/www/wordpress/", !Ref WPDirectory, "/opcache-instanceid.php ]; then\n",
                    "         wget -P /var/www/wordpress/", !Ref WPDirectory, "/ https://s3.amazonaws.com/aws-refarch/wordpress/latest/bits/opcache-instanceid.php\n",
                    "       fi\n",
                    "   fi\n",
                    "   RESULT=$?\n",
                    "   if [ $RESULT -eq 0 ]; then\n",
                    "       touch /var/www/wordpress/", !Ref WPDirectory, "/wordpress.initialized\n",
                    "         else\n",
                    "       touch /var/www/wordpress/", !Ref WPDirectory, "/wordpress.failed\n",
                    "   fi\n",
                    "fi\n"
                  ]
                ]
              mode: 000500
              owner: root
              group: root
        download_aws_ini:
          files:
            /tmp/download_aws_ini.sh:
              content:
                !Join [
                  "",[
                    "#!/bin/bash -x\n",
                    "\n",
                    "wget -P /etc/php-5.5.d/ ", !Ref PHPIniOverride, "\n"
                  ]
                ]
              mode: 000500
              owner: root
              group: root
        install_aws_ini:
          commands:
            install_aws_ini:
              command: ./download_aws_ini.sh
              cwd: /tmp
              ignoreErrors: true
        install_wordpress:
          commands:
            install_wordpress:
              command: ./install_wordpress.sh
              cwd: /tmp
              ignoreErrors: false
        install_cacheclient:
          commands:
            install_cacheclient:
              command: ./install_cacheclient.sh
              cwd: /tmp
              ignoreErrors: false
        install_opcache:
          commands:
            install_opcache:
              command: ./install_opcache.sh
              cwd: /tmp
              ignoreErrors: false
        start_webserver:
          services:
            sysvinit:
              httpd:
                enabled: true
                ensureRunning: true
    Properties:
      IamInstanceProfile: !Ref WebInstanceProfile
      ImageId: !FindInMap [ RegionMap, !Ref 'AWS::Region', AMI ]
      InstanceMonitoring: true
      InstanceType: !Ref WebInstanceType
      KeyName: !Ref EC2KeyName
      SecurityGroups:
      - !Ref WebSecurityGroup
      UserData:
        "Fn::Base64":
          !Sub |
            #!/bin/bash -xe
            yum update -y
            mkdir -p /var/www/wordpress
            mount -t nfs4 -o nfsvers=4.1,rsize=1048576,wsize=1048576,hard,timeo=600,retrans=2 ${ElasticFileSystem}.efs.${AWS::Region}.amazonaws.com:/ /var/www/wordpress
            /opt/aws/bin/cfn-init --configsets deploy_webserver --verbose --stack ${AWS::StackName} --resource WebLaunchConfiguration55 --region ${AWS::Region}
            /opt/aws/bin/cfn-signal --exit-code $? --stack ${AWS::StackName} --resource WebAutoScalingGroup --region ${AWS::Region}
  WebLaunchConfiguration56:
    Condition: PHP56
    Type: AWS::AutoScaling::LaunchConfiguration
    Metadata:
      AWS::CloudFormation::Init:
        configSets:
          deploy_webserver:
            - install_webserver
            - build_cacheclient
            - build_wordpress
            - build_opcache
            - download_aws_ini
            - install_aws_ini
            - install_cacheclient
            - install_wordpress
            - install_opcache
            - start_webserver
        install_webserver:
          packages:
            yum:
              awslogs: []
              httpd24: []
              mysql56: []
              php56: []
              php56-devel: []
              php56-pear: []
              php56-mysqlnd: []
          files:
            /tmp/create_site_conf.sh:
              content:
                !Join [
                  "",[
                    "#!/bin/bash -xe\n",
                    "if [ ! -f /etc/httpd/conf.d/", !Ref WPDirectory, ".conf ]; then\n",
                    "   touch /etc/httpd/conf.d/", !Ref WPDirectory, ".conf\n",
                    "   echo 'ServerName 127.0.0.1:80' >> /etc/httpd/conf.d/", !Ref WPDirectory, ".conf\n",
                    "   echo 'DocumentRoot /var/www/wordpress/", !Ref WPDirectory, "' >> /etc/httpd/conf.d/", !Ref WPDirectory, ".conf\n",
                    "   echo '<Directory /var/www/wordpress/", !Ref WPDirectory, ">' >> /etc/httpd/conf.d/", !Ref WPDirectory, ".conf\n",
                    "   echo '  Options Indexes FollowSymLinks' >> /etc/httpd/conf.d/", !Ref WPDirectory, ".conf\n",
                    "   echo '  AllowOverride All' >> /etc/httpd/conf.d/", !Ref WPDirectory, ".conf\n",
                    "   echo '  Require all granted' >> /etc/httpd/conf.d/", !Ref WPDirectory, ".conf\n",
                    "   echo '</Directory>' >> /etc/httpd/conf.d/", !Ref WPDirectory, ".conf\n",
                    "fi\n"
                  ]
                ]
              mode: 000500
              owner: root
              group: root
          commands:
            create_site_conf:
              command: ./create_site_conf.sh
              cwd: /tmp
              ignoreErrors: false
        build_cacheclient:
          packages:
            yum:
              gcc-c++: []
          files:
            /tmp/install_cacheclient.sh:
              content:
                !Sub |
                  #!/bin/bash -xe
                  pecl install igbinary
                  wget -P /tmp/ https://s3.amazonaws.com/aws-refarch/wordpress/latest/bits/AmazonElastiCacheClusterClient-1.0.0-PHP56-64bit.tgz
                  tar -xf '/tmp/AmazonElastiCacheClusterClient-1.0.0-PHP56-64bit.tgz'
                  cp '/tmp/AmazonElastiCacheClusterClient-1.0.0/amazon-elasticache-cluster-client.so' /usr/lib64/php/5.6/modules/
                  if [ ! -f /etc/php-5.6.d/50-memcached.ini ]; then
                      touch /etc/php-5.6.d/50-memcached.ini
                  fi
                  echo 'extension=igbinary.so;' >> /etc/php-5.6.d/50-memcached.ini
                  echo 'extension=/usr/lib64/php/5.6/modules/amazon-elasticache-cluster-client.so;' >> /etc/php-5.6.d/50-memcached.ini
              mode: 000500
              owner: root
              group: root
        build_opcache:
          packages:
            yum:
              php56-opcache: []
          files:
            /tmp/install_opcache.sh:
              content:
                !Sub |
                  #!/bin/bash -xe
                  # create hidden opcache directory locally & change owner to apache
                  if [ ! -d /var/www/.opcache ]; then
                      mkdir -p /var/www/.opcache
                  fi
                  # enable opcache in /etc/php-5.6.d/opcache.ini
                  sed -i 's/;opcache.file_cache=.*/opcache.file_cache=\/var\/www\/.opcache/' /etc/php-5.6.d/10-opcache.ini
                  sed -i 's/opcache.memory_consumption=.*/opcache.memory_consumption=512/' /etc/php-5.6.d/10-opcache.ini
                  # download opcache-instance.php to verify opcache status
                  if [ ! -f /var/www/wordpress/${WPDirectory}/opcache-instanceid.php ]; then
                      wget -P /var/www/wordpress/${WPDirectory}/ https://s3.amazonaws.com/aws-refarch/wordpress/latest/bits/opcache-instanceid.php
                  fi
              mode: 000500
              owner: root
              group: root
        build_wordpress:
          files:
            /tmp/install_wordpress.sh:
              content:
                !Join [
                  "",[
                    "#!/bin/bash -xe\n",
                    "\n",
                    "# install wp-cli\n",
                    "if [ ! -f /bin/wp/wp-cli.phar ]; then\n",
                    "   curl -o /bin/wp https://raw.githubusercontent.com/wp-cli/builds/gh-pages/phar/wp-cli.phar\n",
                    "   chmod +x /bin/wp\n",
                    "fi\n",
                    "\n",
                    "# make site directory\n",
                    "if [ ! -d /var/www/wordpress/", !Ref WPDirectory, " ]; then\n",
                    "   mkdir -p /var/www/wordpress/", !Ref WPDirectory, "\n",
                    "\n",
                    "   cd /var/www/wordpress/", !Ref WPDirectory, "\n",
                    "   # install wordpress if not installed\n",
                    "   # use public alb host name if wp domain name was empty\n",
                    "   if ! $(wp core is-installed --allow-root); then\n",
                    "       wp core download --version='", !Ref WPVersion, "' --locale='", !Ref WPLocale, "' --allow-root\n",
                    "       wp core config --dbname='", !Ref DatabaseName, "' --dbuser='", !Ref DatabaseMasterUsername, "' --dbpass='", !Ref DatabaseMasterPassword, "' --dbhost='", !Ref DatabaseClusterEndpointAddress, "' --dbprefix=wp_ --allow-root\n",
                    "       wp core install --url=", !If [ NoWPDomainName, !Ref PublicAlbHostname, !Join [ "", [ "'http://www.", !Ref WPDomainName, "'" ] ] ], " --title='", !Ref WPTitle, "' --admin_user='", !Ref WPAdminUsername, "' --admin_password='", !Ref WPAdminPassword, "' --admin_email='", !Ref WPAdminEmail, "' --skip-email --allow-root\n",
                    "       wp plugin install w3-total-cache\n",
                    "       sed -i \"/$table_prefix = 'wp_';/ a \\define('WP_HOME', 'http://' . \\$_SERVER['HTTP_HOST']); \" /var/www/wordpress/", !Ref WPDirectory, "/wp-config.php\n",
                    "       sed -i \"/$table_prefix = 'wp_';/ a \\define('WP_SITEURL', 'http://' . \\$_SERVER['HTTP_HOST']); \" /var/www/wordpress/", !Ref WPDirectory, "/wp-config.php\n",
                    "       # enable HTTPS in wp-config.php if ACM Public SSL Certificate parameter was not empty\n",
                            !If [ NoSslCertificate, !Join [ '', [ "       sed -i \"/$table_prefix = 'wp_';/ a \\# No ACM Public SSL Certificate \" /var/www/wordpress/", !Ref WPDirectory, "/wp-config.php\n" ] ] , !Join [ '', [ "       sed -i \"/$table_prefix = 'wp_';/ a \\$_SERVER['HTTPS'] = 'on';\" /var/www/wordpress/", !Ref WPDirectory, "/wp-config.php\n" ] ] ],
                    "\n",
                    "       # set permissions of wordpress site directories\n",
                    "       chown -R apache:apache /var/www/wordpress/", !Ref WPDirectory, "\n",
                    "       chmod u+wrx /var/www/wordpress/", !Ref WPDirectory, "/wp-content/*\n",
                    "       if [ ! -f /var/www/wordpress/", !Ref WPDirectory, "/opcache-instanceid.php ]; then\n",
                    "         wget -P /var/www/wordpress/", !Ref WPDirectory, "/ https://s3.amazonaws.com/aws-refarch/wordpress/latest/bits/opcache-instanceid.php\n",
                    "       fi\n",
                    "   fi\n",
                    "   RESULT=$?\n",
                    "   if [ $RESULT -eq 0 ]; then\n",
                    "       touch /var/www/wordpress/", !Ref WPDirectory, "/wordpress.initialized\n",
                    "         else\n",
                    "       touch /var/www/wordpress/", !Ref WPDirectory, "/wordpress.failed\n",
                    "   fi\n",
                    "fi\n"
                  ]
                ]
              mode: 000500
              owner: root
              group: root
        download_aws_ini:
          files:
            /tmp/download_aws_ini.sh:
              content:
                !Join [
                  "",[
                    "#!/bin/bash -x\n",
                    "\n",
                    "wget -P /etc/php-5.6.d/ ", !Ref PHPIniOverride, "\n"
                  ]
                ]
              mode: 000500
              owner: root
              group: root
        install_aws_ini:
          commands:
            install_aws_ini:
              command: ./download_aws_ini.sh
              cwd: /tmp
              ignoreErrors: true
        install_wordpress:
          commands:
            install_wordpress:
              command: ./install_wordpress.sh
              cwd: /tmp
              ignoreErrors: false
        install_cacheclient:
          commands:
            install_cacheclient:
              command: ./install_cacheclient.sh
              cwd: /tmp
              ignoreErrors: false
        install_opcache:
          commands:
            install_opcache:
              command: ./install_opcache.sh
              cwd: /tmp
              ignoreErrors: false
        start_webserver:
          services:
            sysvinit:
              httpd:
                enabled: true
                ensureRunning: true
    Properties:
      IamInstanceProfile: !Ref WebInstanceProfile
      ImageId: !FindInMap [ RegionMap, !Ref 'AWS::Region', AMI ]
      InstanceMonitoring: true
      InstanceType: !Ref WebInstanceType
      KeyName: !Ref EC2KeyName
      SecurityGroups:
      - !Ref WebSecurityGroup
      UserData:
        "Fn::Base64":
          !Sub |
            #!/bin/bash -xe
            yum update -y
            mkdir -p /var/www/wordpress
            mount -t nfs4 -o nfsvers=4.1,rsize=1048576,wsize=1048576,hard,timeo=600,retrans=2 ${ElasticFileSystem}.efs.${AWS::Region}.amazonaws.com:/ /var/www/wordpress
            /opt/aws/bin/cfn-init --configsets deploy_webserver --verbose --stack ${AWS::StackName} --resource WebLaunchConfiguration56 --region ${AWS::Region}
            /opt/aws/bin/cfn-signal --exit-code $? --stack ${AWS::StackName} --resource WebAutoScalingGroup --region ${AWS::Region}
  WebLaunchConfiguration70:
    Condition: PHP70
    Type: AWS::AutoScaling::LaunchConfiguration
    Metadata:
      AWS::CloudFormation::Init:
        configSets:
          deploy_webserver:
            - install_webserver
            - build_cacheclient
            - build_wordpress
            - build_opcache
            - download_aws_ini
            - install_aws_ini
            - install_cacheclient
            - install_wordpress
            - install_opcache
            - start_webserver
        install_webserver:
          packages:
            yum:
              awslogs: []
              httpd24: []
              mysql56: []
              php70: []
              php70-devel: []
              php7-pear: []
              php70-mysqlnd: []
          files:
            /tmp/create_site_conf.sh:
              content:
                !Join [
                  "",[
                    "#!/bin/bash -xe\n",
                    "if [ ! -f /etc/httpd/conf.d/", !Ref WPDirectory, ".conf ]; then\n",
                    "   touch /etc/httpd/conf.d/", !Ref WPDirectory, ".conf\n",
                    "   echo 'ServerName 127.0.0.1:80' >> /etc/httpd/conf.d/", !Ref WPDirectory, ".conf\n",
                    "   echo 'DocumentRoot /var/www/wordpress/", !Ref WPDirectory, "' >> /etc/httpd/conf.d/", !Ref WPDirectory, ".conf\n",
                    "   echo '<Directory /var/www/wordpress/", !Ref WPDirectory, ">' >> /etc/httpd/conf.d/", !Ref WPDirectory, ".conf\n",
                    "   echo '  Options Indexes FollowSymLinks' >> /etc/httpd/conf.d/", !Ref WPDirectory, ".conf\n",
                    "   echo '  AllowOverride All' >> /etc/httpd/conf.d/", !Ref WPDirectory, ".conf\n",
                    "   echo '  Require all granted' >> /etc/httpd/conf.d/", !Ref WPDirectory, ".conf\n",
                    "   echo '</Directory>' >> /etc/httpd/conf.d/", !Ref WPDirectory, ".conf\n",
                    "fi\n"
                  ]
                ]
              mode: 000500
              owner: root
              group: root
          commands:
            create_site_conf:
              command: ./create_site_conf.sh
              cwd: /tmp
              ignoreErrors: false
        build_cacheclient:
          packages:
            yum:
              gcc-c++: []
          files:
            /tmp/install_cacheclient.sh:
              content:
                !Sub |
                  #!/bin/bash -xe
                  ln -s /usr/bin/pecl7 /usr/bin/pecl #just so pecl is available easily
                  pecl7 install igbinary
                  wget -P /tmp/ https://s3.amazonaws.com/aws-refarch/wordpress/latest/bits/AmazonElastiCacheClusterClient-2.0.1-PHP70-64bit.tar.gz
                  tar -xf '/tmp/AmazonElastiCacheClusterClient-2.0.1-PHP70-64bit.tar.gz'
                  cp '/tmp/artifact/amazon-elasticache-cluster-client.so' /usr/lib64/php/7.0/modules/
                  if [ ! -f /etc/php-7.0.d/50-memcached.ini ]; then
                      touch /etc/php-7.0.d/50-memcached.ini
                  fi
                  echo 'extension=igbinary.so;' >> /etc/php-7.0.d/50-memcached.ini
                  echo 'extension=/usr/lib64/php/7.0/modules/amazon-elasticache-cluster-client.so;' >> /etc/php-7.0.d/50-memcached.ini
              mode: 000500
              owner: root
              group: root
        build_opcache:
          packages:
            yum:
              php70-opcache: []
          files:
            /tmp/install_opcache.sh:
              content:
                !Sub |
                  #!/bin/bash -xe
                  # create hidden opcache directory locally & change owner to apache
                  if [ ! -d /var/www/.opcache ]; then
                      mkdir -p /var/www/.opcache
                  fi
                  # enable opcache in /etc/php-7.0.d/10-opcache.ini
                  sed -i 's/;opcache.file_cache=.*/opcache.file_cache=\/var\/www\/.opcache/' /etc/php-7.0.d/10-opcache.ini
                  sed -i 's/opcache.memory_consumption=.*/opcache.memory_consumption=512/' /etc/php-7.0.d/10-opcache.ini
                  # download opcache-instance.php to verify opcache status
                  if [ ! -f /var/www/wordpress/${WPDirectory}/opcache-instanceid.php ]; then
                      wget -P /var/www/wordpress/${WPDirectory}/ https://s3.amazonaws.com/aws-refarch/wordpress/latest/bits/opcache-instanceid.php
                  fi
              mode: 000500
              owner: root
              group: root
        build_wordpress:
          files:
            /tmp/install_wordpress.sh:
              content:
                !Join [
                  "",[
                    "#!/bin/bash -xe\n",
                    "\n",
                    "# install wp-cli\n",
                    "if [ ! -f /bin/wp/wp-cli.phar ]; then\n",
                    "   curl -o /bin/wp https://raw.githubusercontent.com/wp-cli/builds/gh-pages/phar/wp-cli.phar\n",
                    "   chmod +x /bin/wp\n",
                    "fi\n",
                    "\n",
                    "# make site directory\n",
                    "if [ ! -d /var/www/wordpress/", !Ref WPDirectory, " ]; then\n",
                    "   mkdir -p /var/www/wordpress/", !Ref WPDirectory, "\n",
                    "\n",
                    "   cd /var/www/wordpress/", !Ref WPDirectory, "\n",
                    "   # install wordpress if not installed\n",
                    "   # use public alb host name if wp domain name was empty\n",
                    "   if ! $(wp core is-installed --allow-root); then\n",
                    "       wp core download --version='", !Ref WPVersion, "' --locale='", !Ref WPLocale, "' --allow-root\n",
                    "       wp core config --dbname='", !Ref DatabaseName, "' --dbuser='", !Ref DatabaseMasterUsername, "' --dbpass='", !Ref DatabaseMasterPassword, "' --dbhost='", !Ref DatabaseClusterEndpointAddress, "' --dbprefix=wp_ --allow-root\n",
                    "       wp core install --url=", !If [ NoWPDomainName, !Ref PublicAlbHostname, !Join [ "", [ "'http://www.", !Ref WPDomainName, "'" ] ] ], " --title='", !Ref WPTitle, "' --admin_user='", !Ref WPAdminUsername, "' --admin_password='", !Ref WPAdminPassword, "' --admin_email='", !Ref WPAdminEmail, "' --skip-email --allow-root\n",
                    "       wp plugin install w3-total-cache\n",
                    "       sed -i \"/$table_prefix = 'wp_';/ a \\define('WP_HOME', 'http://' . \\$_SERVER['HTTP_HOST']); \" /var/www/wordpress/", !Ref WPDirectory, "/wp-config.php\n",
                    "       sed -i \"/$table_prefix = 'wp_';/ a \\define('WP_SITEURL', 'http://' . \\$_SERVER['HTTP_HOST']); \" /var/www/wordpress/", !Ref WPDirectory, "/wp-config.php\n",
                    "       # enable HTTPS in wp-config.php if ACM Public SSL Certificate parameter was not empty\n",
                            !If [ NoSslCertificate, !Join [ '', [ "       sed -i \"/$table_prefix = 'wp_';/ a \\# No ACM Public SSL Certificate \" /var/www/wordpress/", !Ref WPDirectory, "/wp-config.php\n" ] ] , !Join [ '', [ "       sed -i \"/$table_prefix = 'wp_';/ a \\$_SERVER['HTTPS'] = 'on';\" /var/www/wordpress/", !Ref WPDirectory, "/wp-config.php\n" ] ] ],
                    "\n",
                    "       # set permissions of wordpress site directories\n",
                    "       chown -R apache:apache /var/www/wordpress/", !Ref WPDirectory, "\n",
                    "       chmod u+wrx /var/www/wordpress/", !Ref WPDirectory, "/wp-content/*\n",
                    "       if [ ! -f /var/www/wordpress/", !Ref WPDirectory, "/opcache-instanceid.php ]; then\n",
                    "         wget -P /var/www/wordpress/", !Ref WPDirectory, "/ https://s3.amazonaws.com/aws-refarch/wordpress/latest/bits/opcache-instanceid.php\n",
                    "       fi\n",
                    "   fi\n",
                    "   RESULT=$?\n",
                    "   if [ $RESULT -eq 0 ]; then\n",
                    "       touch /var/www/wordpress/", !Ref WPDirectory, "/wordpress.initialized\n",
                    "         else\n",
                    "       touch /var/www/wordpress/", !Ref WPDirectory, "/wordpress.failed\n",
                    "   fi\n",
                    "fi\n"
                  ]
                ]
              mode: 000500
              owner: root
              group: root
        download_aws_ini:
          files:
            /tmp/download_aws_ini.sh:
              content:
                !Join [
                  "",[
                    "#!/bin/bash -x\n",
                    "\n",
                    "wget -P /etc/php-7.0.d/ ", !Ref PHPIniOverride, "\n"
                  ]
                ]
              mode: 000500
              owner: root
              group: root
        install_aws_ini:
          commands:
            install_aws_ini:
              command: ./download_aws_ini.sh
              cwd: /tmp
              ignoreErrors: true
        install_wordpress:
          commands:
            install_wordpress:
              command: ./install_wordpress.sh
              cwd: /tmp
              ignoreErrors: false
        install_cacheclient:
          commands:
            install_cacheclient:
              command: ./install_cacheclient.sh
              cwd: /tmp
              ignoreErrors: false
        install_opcache:
          commands:
            install_opcache:
              command: ./install_opcache.sh
              cwd: /tmp
              ignoreErrors: false
        start_webserver:
          services:
            sysvinit:
              httpd:
                enabled: true
                ensureRunning: true
    Properties:
      IamInstanceProfile: !Ref WebInstanceProfile
      ImageId: !FindInMap [ RegionMap, !Ref 'AWS::Region', AMI ]
      InstanceMonitoring: true
      InstanceType: !Ref WebInstanceType
      KeyName: !Ref EC2KeyName
      SecurityGroups:
      - !Ref WebSecurityGroup
      UserData:
        "Fn::Base64":
          !Sub |
            #!/bin/bash -xe
            yum update -y
            mkdir -p /var/www/wordpress
            mount -t nfs4 -o nfsvers=4.1,rsize=1048576,wsize=1048576,hard,timeo=600,retrans=2 ${ElasticFileSystem}.efs.${AWS::Region}.amazonaws.com:/ /var/www/wordpress
            /opt/aws/bin/cfn-init --configsets deploy_webserver --verbose --stack ${AWS::StackName} --resource WebLaunchConfiguration70 --region ${AWS::Region}
            /opt/aws/bin/cfn-signal --exit-code $? --stack ${AWS::StackName} --resource WebAutoScalingGroup --region ${AWS::Region}


Outputs:

  Opcachestatus:
    Value: !Join [ '', [ !Ref PublicAlbHostname, '/opcache-instanceid.php' ] ]
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