{ "AWSTemplateFormatVersion" : "2010-09-09", "Description" : "AWS CloudFormation Sample Template Tracks_Multi_AZ: Tracks is a web-based application to help you implement David Allens Getting Things Done methodology. This template installs a highly-available, scalable Tracks deployment using a multi-az Amazon RDS database instance for storage. It demonstrates using the AWS CloudFormation bootstrap scripts to install the packages and files at instance launch time. **WARNING** This template creates an Amazon EC2 instance and an Amazon RDS database instance and an Elastic Load Balancer. You will be billed for the AWS resources used if you create a stack from this template.", "Parameters" : { "KeyName": { "Description" : "Name of an existing EC2 KeyPair to enable SSH access to the instances", "Type": "String", "MinLength": "1", "MaxLength": "255", "AllowedPattern" : "[\\x20-\\x7E]*", "ConstraintDescription" : "can contain only ASCII characters." }, "DBName": { "Default": "tracks", "Description" : "MySQL 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": { "NoEcho": "true", "Description" : "Username for MySQL database access", "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" : "Password MySQL database access", "Type": "String", "MinLength": "8", "MaxLength": "41", "AllowedPattern" : "[a-zA-Z0-9]*", "ConstraintDescription" : "must contain only alphanumeric characters." }, "MultiAZDatabase": { "Default": "true", "Description" : "Create a multi-AZ MySQL Amazon RDS database instance", "Type": "String", "AllowedValues" : [ "true", "false" ], "ConstraintDescription" : "must be either true or false." }, "WebServerCapacity": { "Default": "2", "Description" : "The initial number of WebServer instances", "Type": "Number", "MinValue": "1", "MaxValue": "5", "ConstraintDescription" : "must be between 1 and 5 EC2 instances." }, "InstanceType" : { "Description" : "WebServer EC2 instance type", "Type" : "String", "Default" : "m1.small", "AllowedValues" : [ "t1.micro","m1.small","m1.medium","m1.large","m1.xlarge","m2.xlarge","m2.2xlarge","m2.4xlarge","m3.xlarge","m3.2xlarge","c1.medium","c1.xlarge","cc1.4xlarge","cc2.8xlarge","cg1.4xlarge"], "ConstraintDescription" : "must be a valid EC2 instance type." }, "DBClass" : { "Default" : "db.m1.small", "Description" : "Database instance class", "Type" : "String", "AllowedValues" : [ "db.m1.small", "db.m1.large", "db.m1.xlarge", "db.m2.xlarge", "db.m2.2xlarge", "db.m2.4xlarge" ], "ConstraintDescription" : "must select a valid database instance type." }, "DBAllocatedStorage" : { "Default": "5", "Description" : "The size of the database (Gb)", "Type": "Number", "MinValue": "5", "MaxValue": "1024", "ConstraintDescription" : "must be between 5 and 1024Gb." }, "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." } }, "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" }, "m3.xlarge" : { "Arch" : "64" }, "m3.2xlarge" : { "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-southeast-2" : { "32" : "ami-b3990e89", "64" : "ami-bd990e87", "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" : { "ElasticLoadBalancer" : { "Type" : "AWS::ElasticLoadBalancing::LoadBalancer", "Metadata" : { "Comment1" : "Configure the Load Balancer with a simple health check and cookie-based stickiness", "Comment2" : "Use the signup path for healthcheck to avoid redirects - ELB healthcheck does not handle 302 return codes" }, "Properties" : { "AvailabilityZones" : { "Fn::GetAZs" : "" }, "LBCookieStickinessPolicy" : [ { "PolicyName" : "CookieBasedPolicy", "CookieExpirationPeriod" : "30" } ], "Listeners" : [ { "LoadBalancerPort" : "80", "InstancePort" : "3000", "Protocol" : "HTTP", "PolicyNames" : [ "CookieBasedPolicy" ] } ], "HealthCheck" : { "Target" : "HTTP:3000/signup", "HealthyThreshold" : "2", "UnhealthyThreshold" : "5", "Interval" : "10", "Timeout" : "5" } } }, "WebServerGroup" : { "Type" : "AWS::AutoScaling::AutoScalingGroup", "Properties" : { "AvailabilityZones" : { "Fn::GetAZs" : "" }, "LaunchConfigurationName" : { "Ref" : "LaunchConfig" }, "MinSize" : "1", "MaxSize" : "5", "DesiredCapacity" : { "Ref" : "WebServerCapacity" }, "LoadBalancerNames" : [ { "Ref" : "ElasticLoadBalancer" } ] } }, "LaunchConfig": { "Type" : "AWS::AutoScaling::LaunchConfiguration", "Metadata" : { "AWS::CloudFormation::Init" : { "config" : { "packages" : { "yum" : { "gcc-c++" : [], "make" : [], "ruby-devel" : [], "ruby18-rdoc" : [], "rubygems" : [], "mysql" : [], "mysql-devel" : [], "mysql-libs" : [], "libxml2-devel": [], "libxslt-devel": [], "sqlite-devel" : [], "libffi-devel" : [] }, "rubygems" : { "bundler" : [1.2] } }, "sources" : { "/home/ec2-user/tracks" : "https://github.com/TracksApp/tracks/tarball/v2.1" }, "files" : { "/home/ec2-user/tracks/config/database.yml" : { "content" : { "Fn::Join" : ["", [ "production:\n", " adapter: mysql\n", " database: ", { "Ref" : "DBName" }, "\n", " host: ", {"Fn::GetAtt" : ["DBInstance", "Endpoint.Address"]}, "\n", " username: ", { "Ref" : "DBUsername" }, "\n", " password: ", { "Ref" : "DBPassword" }, "\n" ]]}, "mode" : "000644", "owner" : "root", "group" : "root" } } } } }, "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 packages\n", "/opt/aws/bin/cfn-init -s ", { "Ref" : "AWS::StackId" }, " -r LaunchConfig ", " --region ", { "Ref" : "AWS::Region" }, " || error_exit 'Failed to run cfn-init'\n", "# Configure and fire up the service\n", "cd /home/ec2-user/tracks\n", "cp config/site.yml.tmpl config/site.yml\n", "rake db:migrate RAILS_ENV=production\n", "script/server -e production &\n", "# All is well so signal success\n", "/opt/aws/bin/cfn-signal -e 0 -r \"Tracks setup complete\" '", { "Ref" : "WaitHandle" }, "'\n" ]]}} } }, "WaitHandle" : { "Type" : "AWS::CloudFormation::WaitConditionHandle" }, "WaitCondition" : { "Type" : "AWS::CloudFormation::WaitCondition", "DependsOn" : "WebServerGroup", "Properties" : { "Handle" : {"Ref" : "WaitHandle"}, "Timeout" : "900" } }, "DBInstance" : { "Type": "AWS::RDS::DBInstance", "Properties": { "DBName" : { "Ref" : "DBName" }, "Engine" : "MySQL", "MasterUsername" : { "Ref" : "DBUsername" }, "DBInstanceClass" : { "Ref" : "DBClass" }, "MultiAZ" : { "Ref" : "MultiAZDatabase" }, "DBSecurityGroups" : [{ "Ref" : "DBSecurityGroup" }], "AllocatedStorage" : { "Ref" : "DBAllocatedStorage" }, "MasterUserPassword": { "Ref" : "DBPassword" } } }, "DBSecurityGroup": { "Type": "AWS::RDS::DBSecurityGroup", "Properties": { "DBSecurityGroupIngress": { "EC2SecurityGroupName": { "Ref": "WebServerSecurityGroup"} }, "GroupDescription" : "Frontend Access" } }, "WebServerSecurityGroup" : { "Type" : "AWS::EC2::SecurityGroup", "Properties" : { "GroupDescription" : "Enable HTTP access via port 3000 plus SSH access", "SecurityGroupIngress" : [ {"IpProtocol" : "tcp", "FromPort" : "3000", "ToPort" : "3000", "SourceSecurityGroupOwnerId" : {"Fn::GetAtt" : ["ElasticLoadBalancer", "SourceSecurityGroup.OwnerAlias"]},"SourceSecurityGroupName" : {"Fn::GetAtt" : ["ElasticLoadBalancer", "SourceSecurityGroup.GroupName"]}}, {"IpProtocol" : "tcp", "FromPort" : "22", "ToPort" : "22", "CidrIp" : { "Ref" : "SSHLocation"}} ] } } }, "Outputs" : { "WebsiteURL" : { "Value" : { "Fn::Join" : ["", ["http://", { "Fn::GetAtt" : [ "ElasticLoadBalancer", "DNSName" ]}]] }, "Description" : "URL for Tracks" } } }