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CloudFormation EC2 & Route53 template
{
"AWSTemplateFormatVersion" : "2010-09-09",
"Description" : "Create an EC2 instance, set up Apache, and create Route53 A records",
"Parameters" : {
"KeyName" : {
"Description" : "Name of an existing EC2 KeyPair to enable SSH access to the instances",
"Type" : "String",
"MinLength": "1",
"MaxLength": "64",
"AllowedPattern" : "[-_ a-zA-Z0-9]*",
"ConstraintDescription" : "can contain only alphanumeric characters, spaces, dashes and underscores.",
"Default" : "ec2-key"
},
"InstanceType" : {
"Description" : "WebServer EC2 instance type",
"Type" : "String",
"Default" : "t1.micro",
"AllowedValues" : [ "t1.micro","m1.small","m1.medium","m1.large","m1.xlarge","m2.xlarge","m2.2xlarge","m2.4xlarge","c1.medium","c1.xlarge","cc1.4xlarge","cc2.8xlarge","cg1.4xlarge"],
"ConstraintDescription" : "must be a valid EC2 instance type."
},
"HostedZone" : {
"Type" : "String",
"Description" : "The DNS name of an existing Amazon Route 53 hosted zone"
}
},
"Mappings" : {
"AWSInstanceType2Arch" : {
"t1.micro" : { "Arch" : "64" },
"m1.small" : { "Arch" : "64" },
"m1.medium" : { "Arch" : "64" },
"m1.large" : { "Arch" : "64" },
"m1.xlarge" : { "Arch" : "64" },
"m2.xlarge" : { "Arch" : "64" },
"m2.2xlarge" : { "Arch" : "64" },
"m2.4xlarge" : { "Arch" : "64" },
"c1.medium" : { "Arch" : "64" },
"c1.xlarge" : { "Arch" : "64" },
"cc1.4xlarge" : { "Arch" : "64HVM" },
"cc2.8xlarge" : { "Arch" : "64HVM" },
"cg1.4xlarge" : { "Arch" : "64HVM" }
},
"AWSRegionArch2AMI" : {
"us-east-1" : { "32" : "ami-31814f58", "64" : "ami-1b814f72", "64HVM" : "ami-0da96764" },
"us-west-2" : { "32" : "ami-38fe7308", "64" : "ami-30fe7300", "64HVM" : "NOT_YET_SUPPORTED" },
"us-west-1" : { "32" : "ami-11d68a54", "64" : "ami-1bd68a5e", "64HVM" : "NOT_YET_SUPPORTED" },
"eu-west-1" : { "32" : "ami-973b06e3", "64" : "ami-953b06e1", "64HVM" : "NOT_YET_SUPPORTED" },
"ap-southeast-1" : { "32" : "ami-b4b0cae6", "64" : "ami-beb0caec", "64HVM" : "NOT_YET_SUPPORTED" },
"ap-northeast-1" : { "32" : "ami-0644f007", "64" : "ami-0a44f00b", "64HVM" : "NOT_YET_SUPPORTED" },
"sa-east-1" : { "32" : "ami-3e3be423", "64" : "ami-3c3be421", "64HVM" : "NOT_YET_SUPPORTED" }
}
},
"Resources" : {
"CfnUser" : {
"Type" : "AWS::IAM::User",
"Properties" : {
"Path": "/",
"Policies": [{
"PolicyName": "root",
"PolicyDocument": { "Statement":[{
"Effect":"Allow",
"Action":"cloudformation:DescribeStackResource",
"Resource":"*"
}]}
}]
}
},
"HostKeys" : {
"Type" : "AWS::IAM::AccessKey",
"Properties" : {
"UserName" : {"Ref": "CfnUser"}
}
},
"RegionRecord" : {
"Type" : "AWS::Route53::RecordSet",
"Properties" : {
"HostedZoneName" : { "Fn::Join" : [ "", [{"Ref" : "HostedZone"}, "." ]]},
"Comment" : "DNS name for my instance.",
"Name" : { "Fn::Join" : [ "", [ {"Ref" : "AWS::Region"}, ".", {"Ref" : "HostedZone"} ,"."]]},
"Type" : "A",
"TTL" : "900",
"ResourceRecords" : [ { "Fn::GetAtt" : [ "EC2instance", "PublicIp" ] } ]
}
},
"HostRecord" : {
"Type" : "AWS::Route53::RecordSet",
"Properties" : {
"HostedZoneName" : { "Fn::Join" : [ "", [{"Ref" : "HostedZone"}, "." ]]},
"Comment" : "DNS name for my instance.",
"Name" : { "Fn::Join" : [ "", [{"Ref" : "EC2instance"}, ".", {"Ref" : "AWS::Region"}, ".", {"Ref" : "HostedZone"} ,"."]]},
"Type" : "A",
"TTL" : "900",
"ResourceRecords" : [ { "Fn::GetAtt" : [ "EC2instance", "PublicIp" ] } ]
}
},
"EC2instance": {
"Type": "AWS::EC2::Instance",
"Metadata" : {
"Comment1" : "Configure the bootstrap helpers to install the Apache Web Server and local cat content",
"AWS::CloudFormation::Init" : {
"config" : {
"packages" : {
"yum" : {
"httpd" : []
}
},
"files" : {
"/var/www/html/index.html" : {
"content" : { "Fn::Join" : ["", [ "<img src='cat.jpg'><p>", {"Ref" : "AWS::Region"}, "\n" ] ] }
},
"/var/www/html/cat.jpg" : {
"source" : { "Fn::Join" : [ "", ["http://strewth_cats.s3.amazonaws.com/", { "Ref" : "AWS::Region"}, ".jpg" ] ] }
}
},
"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" : "WebServerSecurityGroup"} ],
"KeyName" : { "Ref" : "KeyName" },
"UserData" : { "Fn::Base64" : { "Fn::Join" : ["", [
"#!/bin/bash -v\n",
"yum update -y aws-cfn-bootstrap\n",
"# Helper function\n",
"function error_exit\n",
"{\n",
" /opt/aws/bin/cfn-signal -e 1 -r \"$1\" '", { "Ref" : "WaitHandle" }, "'\n",
" exit 1\n",
"}\n",
"# Install local config\n",
"/opt/aws/bin/cfn-init -v -s ", { "Ref" : "AWS::StackName" }, " -r EC2instance",
" --access-key ", { "Ref" : "HostKeys" },
" --secret-key ", {"Fn::GetAtt": ["HostKeys", "SecretAccessKey"]},
" --region ", { "Ref" : "AWS::Region" }, " > /var/tmp/cfn-init.output || error_exit 'Failed to run cfn-init'\n",
"# All is well so signal success\n",
"/opt/aws/bin/cfn-signal -e 0 -r \"LAMP Stack setup complete\" '", { "Ref" : "WaitHandle" }, "'\n"
]]}}
}
},
"WaitHandle" : {
"Type" : "AWS::CloudFormation::WaitConditionHandle"
},
"WaitCondition" : {
"Type" : "AWS::CloudFormation::WaitCondition",
"DependsOn" : "EC2instance",
"Properties" : {
"Handle" : {"Ref" : "WaitHandle"},
"Timeout" : "300"
}
},
"WebServerSecurityGroup" : {
"Type" : "AWS::EC2::SecurityGroup",
"Properties" : {
"GroupDescription" : "Enable HTTP access via port 80",
"SecurityGroupIngress" : [
{"IpProtocol" : "tcp", "FromPort" : "80", "ToPort" : "80", "CidrIp" : "0.0.0.0/0"}
]
}
}
},
"Outputs" : {
"WebsiteURL" : {
"Value" : { "Fn::Join" : ["", ["http://", { "Ref" : "RegionRecord" } ] ] },
"Description" : "URL for newly created LAMP stack"
},
"HostName" : {
"Value" : { "Ref" : "HostRecord" }
}
}
}
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