Created
August 19, 2016 07:52
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{ | |
"Parameters" : { | |
"VPCID" : { | |
"Type" : "AWS::EC2::VPC::Id", | |
"Description" : "Select Virtual Private Cloud ID" | |
}, | |
"ELBSubnet" : { | |
"Type" : "List<AWS::EC2::Subnet::Id>", | |
"Description" : "Subnets for Elastic Loadbalancer" | |
}, | |
"PrivateSubnets" : { | |
"Type" : "List<AWS::EC2::Subnet::Id>", | |
"Description" : "Subnets for RDS and EC2" | |
}, | |
"InstanceType" : { | |
"Description" : "WebServer EC2 instance type", | |
"Type" : "String", | |
"Default" : "t2.micro", | |
"AllowedValues" : ["t2.micro"], | |
"ConstraintDescription" : "must be a valid EC2 instance type." | |
}, | |
"SSHLocation": { | |
"Description": "The IP address range that can be used to SSH to the EC2 instances", | |
"Type": "String", | |
"MinLength": "9", | |
"MaxLength": "18", | |
"Default": "0.0.0.0/0", | |
"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." | |
}, | |
"DBClass" : { | |
"Description" : "Database instance class", | |
"Type" : "String", | |
"Default" : "db.t2.micro", | |
"AllowedValues" : [ "db.t2.micro" ], | |
"ConstraintDescription" : "must select a valid database instance type." | |
}, | |
"DBName" : { | |
"Default": "wordpressdb", | |
"Description" : "The WordPress database name", | |
"Type": "String", | |
"MinLength": "1", | |
"MaxLength": "64", | |
"AllowedPattern" : "[a-zA-Z][a-zA-Z0-9]*", | |
"ConstraintDescription" : "must begin with a letter and contain only alphanumeric characters." | |
}, | |
"DBUser" : { | |
"NoEcho": "true", | |
"Description" : "The WordPress database admin account username", | |
"Type": "String", | |
"MinLength": "1", | |
"MaxLength": "16", | |
"AllowedPattern" : "[a-zA-Z][a-zA-Z0-9]*", | |
"ConstraintDescription" : "must begin with a letter and contain only alphanumeric characters." | |
}, | |
"DBPassword" : { | |
"NoEcho": "true", | |
"Description" : "The WordPress database admin account password", | |
"Type": "String", | |
"MinLength": "8", | |
"MaxLength": "41", | |
"AllowedPattern" : "[a-zA-Z0-9]*", | |
"ConstraintDescription" : "must contain only alphanumeric characters." | |
}, | |
"MultiAZDatabase": { | |
"Default": "false", | |
"Description" : "Create a Multi-AZ MySQL Amazon RDS database instance", | |
"Type": "String", | |
"AllowedValues" : [ "true", "false" ], | |
"ConstraintDescription" : "must be either true or false." | |
}, | |
"WebServerCapacity": { | |
"Default": "1", | |
"Description" : "The initial number of WebServer instances", | |
"Type": "Number", | |
"MinValue": "1", | |
"MaxValue": "5", | |
"ConstraintDescription" : "must be between 1 and 5 EC2 instances." | |
}, | |
"DBAllocatedStorage" : { | |
"Default": "5", | |
"Description" : "The size of the database (Gb)", | |
"Type": "Number", | |
"MinValue": "5", | |
"MaxValue": "1024", | |
"ConstraintDescription" : "must be between 5 and 1024Gb." | |
} | |
}, | |
"Mappings" : { | |
"AWSInstanceType2Arch" : { | |
"t2.micro" : { "Arch" : "HVM64" } | |
}, | |
"AWSRegionArch2AMI" : { | |
"us-east-1" : { "HVM64" : "ami-f5f41398" }, | |
"us-west-2" : { "HVM64" : "ami-d0f506b0" }, | |
"us-west-1" : { "HVM64" : "ami-6e84fa0e" }, | |
"eu-west-1" : { "HVM64" : "ami-b0ac25c3" } | |
} | |
}, | |
"Resources" : { | |
"ElasticLoadBalancer" : { | |
"Type" : "AWS::ElasticLoadBalancing::LoadBalancer", | |
"Properties" : { | |
"Subnets": { "Ref" : "ELBSubnet" }, | |
"CrossZone" : "true", | |
"SecurityGroups": [ { "Ref": "ELBSecurityGroup" } ], | |
"LBCookieStickinessPolicy" : [ { | |
"PolicyName" : "CookieBasedPolicy", | |
"CookieExpirationPeriod" : "30" | |
} ], | |
"Listeners" : [ { | |
"LoadBalancerPort" : "80", | |
"InstancePort" : "80", | |
"Protocol" : "HTTP", | |
"PolicyNames" : [ "CookieBasedPolicy" ] | |
} ], | |
"HealthCheck" : { | |
"Target" : "HTTP:80/wordpress/wp-admin/install.php", | |
"HealthyThreshold" : "2", | |
"UnhealthyThreshold" : "5", | |
"Interval" : "10", | |
"Timeout" : "5" | |
} | |
} | |
}, | |
"InstanceSecurityGroup": { | |
"Type": "AWS::EC2::SecurityGroup", | |
"Properties": { | |
"GroupDescription": "Enable inbound network access access to EC2 instance.", | |
"VpcId": { "Ref": "VPCID" }, | |
"SecurityGroupIngress": [ | |
{"ToPort": "80", "IpProtocol": "tcp", "SourceSecurityGroupId": {"Ref": "ELBSecurityGroup"}, "FromPort": "80"} | |
], | |
"Tags" : [ | |
{ "Key": "Name", "Value": { "Fn::Join" : ["", [{ "Ref" : "AWS::StackName" }, "EC2SecurityGrp"]] } } | |
] | |
} | |
}, | |
"ELBSecurityGroup": { | |
"Type": "AWS::EC2::SecurityGroup", | |
"Properties": { | |
"GroupDescription": "Enable inbound network access to load balancer.", | |
"VpcId": { "Ref": "VPCID" }, | |
"SecurityGroupIngress": [ | |
{"ToPort": "80", "IpProtocol": "tcp", "FromPort": "80", "CidrIp": "0.0.0.0/0"} | |
], | |
"Tags" : [ | |
{ "Key": "Name", "Value": { "Fn::Join" : ["", [{ "Ref" : "AWS::StackName" }, "AppGroupName"]] } } | |
] | |
} | |
}, | |
"WebServerGroup" : { | |
"Type" : "AWS::AutoScaling::AutoScalingGroup", | |
"Properties" : { | |
"VPCZoneIdentifier": { "Ref" : "PrivateSubnets" }, | |
"LaunchConfigurationName" : { "Ref" : "LaunchConfig" }, | |
"MinSize" : "1", | |
"MaxSize" : "5", | |
"DesiredCapacity" : { "Ref" : "WebServerCapacity" }, | |
"LoadBalancerNames" : [ { "Ref" : "ElasticLoadBalancer" } ] | |
}, | |
"CreationPolicy" : { | |
"ResourceSignal" : { | |
"Timeout" : "PT15M" | |
} | |
}, | |
"UpdatePolicy": { | |
"AutoScalingRollingUpdate": { | |
"MinInstancesInService": "1", | |
"MaxBatchSize": "1", | |
"PauseTime" : "PT15M", | |
"WaitOnResourceSignals": "true" | |
} | |
} | |
}, | |
"LaunchConfig": { | |
"Type" : "AWS::AutoScaling::LaunchConfiguration", | |
"Metadata" : { | |
"AWS::CloudFormation::Init" : { | |
"configSets" : { | |
"wordpress_install" : ["install_cfn", "install_wordpress" ] | |
}, | |
"install_cfn" : { | |
"files": { | |
"/etc/cfn/cfn-hup.conf": { | |
"content": { "Fn::Join": [ "", ["[main]\n","stack=", { "Ref": "AWS::StackId" }, "\n","region=", { "Ref": "AWS::Region" }, "\n"]]}, | |
"mode" : "000400", | |
"owner" : "root", | |
"group" : "root" | |
}, | |
"/etc/cfn/hooks.d/cfn-auto-reloader.conf": { | |
"content": { "Fn::Join": [ "", ["[cfn-auto-reloader-hook]\n","triggers=post.update\n","path=Resources.LaunchConfig.Metadata.AWS::CloudFormation::Init\n","action=/opt/aws/bin/cfn-init -v ", | |
" --stack ", { "Ref" : "AWS::StackName" }, | |
" --resource LaunchConfig ", | |
" --configsets wordpress_install ", | |
" --region ", { "Ref" : "AWS::Region" }, "\n" | |
]]}, | |
"mode" : "000400", | |
"owner" : "root", | |
"group" : "root" | |
} | |
}, | |
"services" : { | |
"sysvinit" : { | |
"cfn-hup" : { "enabled" : "true", "ensureRunning" : "true", | |
"files" : ["/etc/cfn/cfn-hup.conf", "/etc/cfn/hooks.d/cfn-auto-reloader.conf"]} | |
} | |
} | |
}, | |
"install_wordpress" : { | |
"packages" : { | |
"yum" : {"php": [],"php-mysql" : [],"mysql": [],"httpd": []} | |
}, | |
"sources" : { | |
"/var/www/html" : "http://wordpress.org/latest.tar.gz" | |
}, | |
"files" : { | |
"/tmp/create-wp-config" : { | |
"content" : { "Fn::Join" : [ "", [ | |
"#!/bin/bash\n", | |
"cp /var/www/html/wordpress/wp-config-sample.php /var/www/html/wordpress/wp-config.php\n", | |
"sed -i \"s/'database_name_here'/'",{ "Ref" : "DBName" }, "'/g\" wp-config.php\n", | |
"sed -i \"s/'username_here'/'",{ "Ref" : "DBUser" }, "'/g\" wp-config.php\n", | |
"sed -i \"s/'password_here'/'",{ "Ref" : "DBPassword" }, "'/g\" wp-config.php\n", | |
"sed -i \"s/'localhost'/'",{ "Fn::GetAtt" : [ "DBInstance", "Endpoint.Address" ] }, "'/g\" wp-config.php\n" | |
]]}, | |
"mode" : "000500", | |
"owner" : "root", | |
"group" : "root" | |
} | |
}, | |
"commands" : { | |
"01_configure_wordpress" : { | |
"command" : "/tmp/create-wp-config", | |
"cwd" : "/var/www/html/wordpress" | |
} | |
}, | |
"services" : { | |
"sysvinit" : { | |
"httpd" : { "enabled" : "true", "ensureRunning" : "true" } | |
} | |
} | |
} | |
} | |
}, | |
"Properties": { | |
"ImageId" : { "Fn::FindInMap" : [ "AWSRegionArch2AMI", { "Ref" : "AWS::Region" }, | |
{ "Fn::FindInMap" : [ "AWSInstanceType2Arch", { "Ref" : "InstanceType" }, "Arch" ] } ] }, | |
"InstanceType" : { "Ref" : "InstanceType" }, | |
"SecurityGroups" : [ {"Ref" : "InstanceSecurityGroup"} ], | |
"UserData" : { "Fn::Base64" : { "Fn::Join" : ["", [ | |
"#!/bin/bash -xe\n", | |
"yum update -y aws-cfn-bootstrap\n", | |
"/opt/aws/bin/cfn-init -v ", | |
" --stack ", { "Ref" : "AWS::StackName" }, | |
" --resource LaunchConfig ", | |
" --configsets wordpress_install ", | |
" --region ", { "Ref" : "AWS::Region" }, "\n", | |
"/opt/aws/bin/cfn-signal -e $? ", | |
" --stack ", { "Ref" : "AWS::StackName" }, | |
" --resource WebServerGroup ", | |
" --region ", { "Ref" : "AWS::Region" }, "\n" | |
]]}} | |
} | |
}, | |
"DBEC2SecurityGroup": { | |
"Type": "AWS::EC2::SecurityGroup", | |
"Properties" : { | |
"VpcId": { "Ref": "VPCID" }, | |
"GroupDescription": "Open database for access", | |
"SecurityGroupIngress" : [{ | |
"IpProtocol" : "tcp", | |
"FromPort" : "3306", | |
"ToPort" : "3306", | |
"SourceSecurityGroupId" : { "Ref" : "InstanceSecurityGroup" } | |
}] | |
} | |
}, | |
"DBSubnetGroup" : { | |
"Type": "AWS::RDS::DBSubnetGroup", | |
"Properties" : { | |
"DBSubnetGroupDescription" : "RDS DB Subnet", | |
"SubnetIds" : { "Ref" : "PrivateSubnets" } | |
} | |
}, | |
"DBInstance" : { | |
"Type": "AWS::RDS::DBInstance", | |
"Properties": { | |
"DBName" : { "Ref" : "DBName" }, | |
"DBSubnetGroupName" : { "Ref" : "DBSubnetGroup" }, | |
"Engine" : "MySQL", | |
"MultiAZ" : { "Ref": "MultiAZDatabase" }, | |
"MasterUsername" : { "Ref" : "DBUser" }, | |
"MasterUserPassword": { "Ref" : "DBPassword" }, | |
"DBInstanceClass" : { "Ref" : "DBClass" }, | |
"AllocatedStorage" : { "Ref" : "DBAllocatedStorage" }, | |
"VPCSecurityGroups" : [{ "Ref" : "DBEC2SecurityGroup" }] | |
} | |
} | |
}, | |
"Outputs" : { | |
"WebsiteURL" : { | |
"Value" : { "Fn::Join" : ["", ["http://", { "Fn::GetAtt" : [ "ElasticLoadBalancer", "DNSName" ]}, "/wordpress" ]]}, | |
"Description" : "WordPress Website" | |
} | |
} | |
} |
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