OpenStack Orchestration (Heat)
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{
"AWSTemplateFormatVersion": "2010-09-09",
"Description": "WordPress is web software you can use to create a beautiful website or blog. This template installs two instances: one running a WordPress deployment and the other, created within a separate stack embedded in this one with template composition, using a local MySQL database to store the data.",
"Parameters": {
"KeyName": {
"Description": "Name of an existing EC2 KeyPair to enable SSH access to the instances",
"Type": "String"
},
"InstanceType": {
"Description": "WebServer EC2 instance type",
"Type": "String",
"Default": "m1.large",
"AllowedValues": [ "t1.micro", "m1.small", "m1.large", "m1.xlarge", "m2.xlarge", "m2.2xlarge", "m2.4xlarge", "c1.medium", "c1.xlarge", "cc1.4xlarge" ],
"ConstraintDescription": "must be a valid EC2 instance type."
},
"DBName": {
"Default": "wordpress",
"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."
},
"DBUsername": {
"Default": "admin",
"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": {
"Default": "admin",
"NoEcho": "true",
"Description": "The WordPress database admin account password",
"Type": "String",
"MinLength": "1",
"MaxLength": "41",
"AllowedPattern": "[a-zA-Z0-9]*",
"ConstraintDescription": "must contain only alphanumeric characters."
},
"DBRootPassword": {
"Default": "admin",
"NoEcho": "true",
"Description": "Root password for MySQL",
"Type": "String",
"MinLength": "1",
"MaxLength": "41",
"AllowedPattern": "[a-zA-Z0-9]*",
"ConstraintDescription": "must contain only alphanumeric characters."
},
"LinuxDistribution": {
"Default": "F16",
"Description": "Distribution of choice",
"Type": "String",
"AllowedValues": [ "F16", "F17", "U10", "RHEL-6.1", "RHEL-6.2", "RHEL-6.3" ]
}
},
"Mappings": {
"AWSInstanceType2Arch": {
"t1.micro" : { "Arch": "32" },
"m1.small" : { "Arch": "32" },
"m1.large" : { "Arch": "64" },
"m1.xlarge" : { "Arch": "64" },
"m2.xlarge" : { "Arch": "64" },
"m2.2xlarge" : { "Arch": "64" },
"m2.4xlarge" : { "Arch": "64" },
"c1.medium" : { "Arch": "32" },
"c1.xlarge" : { "Arch": "64" },
"cc1.4xlarge" : { "Arch": "64" }
},
"DistroArch2AMI": {
"F16" : { "32": "F16-i386-cfntools", "64": "F16-x86_64-cfntools" },
"F17" : { "32": "F17-i386-cfntools", "64": "F17-x86_64-cfntools" },
"U10" : { "32": "U10-i386-cfntools", "64": "U10-x86_64-cfntools" },
"RHEL-6.1": { "32": "rhel61-i386-cfntools", "64": "rhel61-x86_64-cfntools" },
"RHEL-6.2": { "32": "rhel62-i386-cfntools", "64": "rhel62-x86_64-cfntools" },
"RHEL-6.3": { "32": "rhel63-i386-cfntools", "64": "rhel63-x86_64-cfntools" }
}
},
"Resources": {
"DatabaseServer": {
"Type": "AWS::CloudFormation::Stack",
"Properties": {
"TemplateURL": "https://raw.github.com/heat-api/heat/master/templates/MySQL_Single_Instance.template",
"Parameters": {
"KeyName" : { "Ref": "KeyName" },
"InstanceType" : { "Ref": "InstanceType" },
"DBName" : { "Ref": "DBName" },
"DBUsername" : { "Ref": "DBUsername" },
"DBPassword" : { "Ref": "DBPassword" },
"DBRootPassword" : { "Ref": "DBRootPassword" },
"LinuxDistribution": { "Ref": "LinuxDistribution" }
}
}
},
"WikiServerOne": {
"Type": "AWS::EC2::Instance",
"DependsOn" : "DatabaseServer",
"Metadata": {
"AWS::CloudFormation::Init": {
"config": {
"packages": {
"yum": {
"httpd" : [],
"wordpress" : []
}
},
"services": {
"systemd": {
"httpd" : { "enabled": "true", "ensureRunning": "true" }
}
}
}
}
},
"Properties": {
"ImageId": { "Fn::FindInMap": [ "DistroArch2AMI", { "Ref": "LinuxDistribution" },
{ "Fn::FindInMap": [ "AWSInstanceType2Arch", { "Ref": "InstanceType" }, "Arch" ] } ] },
"InstanceType" : { "Ref": "InstanceType" },
"KeyName" : { "Ref": "KeyName" },
"UserData" : { "Fn::Base64": { "Fn::Join": ["", [
"#!/bin/bash -v\n",
"/opt/aws/bin/cfn-init\n",
"sed --in-place --e s/database_name_here/", { "Ref": "DBName" },
"/ --e s/username_here/", { "Ref": "DBUsername" },
"/ --e s/password_here/", { "Ref": "DBPassword" },
"/ --e s/localhost/", { "Fn::GetAtt": [ "DatabaseServer", "Outputs.PublicIp" ]},
"/ /usr/share/wordpress/wp-config.php\n"
]]}}
}
},
"LoadBalancer" : {
"Type" : "AWS::ElasticLoadBalancing::LoadBalancer",
"Properties" : {
"AvailabilityZones" : { "Fn::GetAZs" : "" },
"Instances" : [{"Ref": "WikiServerOne"}],
"Listeners" : [ {
"LoadBalancerPort" : "80",
"InstancePort" : "80",
"Protocol" : "HTTP"
}]
}
}
},
"Outputs": {
"WebsiteURL": {
"Value": { "Fn::Join": ["", ["http://", { "Fn::GetAtt": [ "LoadBalancer", "DNSName" ]}, "/wordpress"]] },
"Description": "URL for Wordpress wiki"
}
}
}