{ "AWSTemplateFormatVersion" : "2010-09-09", "Description" : "AWS CloudFormation Sample Template Rails_Multi_AZ: Create a highly available, scalable Ruby on Rails stack with a multi-AZ MySQL Amazon RDS database instance for the backend data store. This template demonstrates using the AWS CloudFormation bootstrap scripts to install the packages and files necessary to deploy a Rails application. **WARNING** This template creates one or more Amazon EC2 instances, an Application Load Balancer and an Amazon RDS DB instance. You will be billed for the AWS resources used if you create a stack from this template.", "Parameters" : { "VpcId" : { "Type" : "AWS::EC2::VPC::Id", "Description" : "VpcId of your existing Virtual Private Cloud (VPC)", "ConstraintDescription" : "must be the VPC Id of an existing Virtual Private Cloud." }, "Subnets" : { "Type" : "List", "Description" : "The list of SubnetIds in your Virtual Private Cloud (VPC)", "ConstraintDescription" : "must be a list of at least two existing subnets associated with at least two different availability zones. They should be residing in the selected Virtual Private Cloud." }, "KeyName": { "Description" : "Name of an existing EC2 KeyPair to enable SSH access to the instances", "Type": "AWS::EC2::KeyPair::KeyName", "ConstraintDescription" : "must be the name of an existing EC2 KeyPair." }, "DBName": { "Default": "MyDatabase", "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." }, "DBUser": { "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 for MySQL database access", "Type": "String", "MinLength": "8", "MaxLength": "41", "AllowedPattern" : "[a-zA-Z0-9]*", "ConstraintDescription" : "must contain only alphanumeric characters." }, "DBAllocatedStorage": { "Default": "5", "Description" : "The size of the database (Gb)", "Type": "Number", "MinValue": "5", "MaxValue": "1024", "ConstraintDescription" : "must be between 5 and 1024Gb." }, "DBInstanceClass": { "Description" : "The database instance type", "Type": "String", "Default": "db.t2.small", "AllowedValues" : [ "db.t1.micro", "db.m1.small", "db.m1.medium", "db.m1.large", "db.m1.xlarge", "db.m2.xlarge", "db.m2.2xlarge", "db.m2.4xlarge", "db.m3.medium", "db.m3.large", "db.m3.xlarge", "db.m3.2xlarge", "db.m4.large", "db.m4.xlarge", "db.m4.2xlarge", "db.m4.4xlarge", "db.m4.10xlarge", "db.r3.large", "db.r3.xlarge", "db.r3.2xlarge", "db.r3.4xlarge", "db.r3.8xlarge", "db.m2.xlarge", "db.m2.2xlarge", "db.m2.4xlarge", "db.cr1.8xlarge", "db.t2.micro", "db.t2.small", "db.t2.medium", "db.t2.large"] , "ConstraintDescription" : "must select a valid database instance type." }, "MultiAZDatabase": { "Default": "true", "Description" : "Create a ulti-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" : "t2.small", "AllowedValues" : [ "t1.micro", "t2.nano", "t2.micro", "t2.small", "t2.medium", "t2.large", "m1.small", "m1.medium", "m1.large", "m1.xlarge", "m2.xlarge", "m2.2xlarge", "m2.4xlarge", "m3.medium", "m3.large", "m3.xlarge", "m3.2xlarge", "m4.large", "m4.xlarge", "m4.2xlarge", "m4.4xlarge", "m4.10xlarge", "c1.medium", "c1.xlarge", "c3.large", "c3.xlarge", "c3.2xlarge", "c3.4xlarge", "c3.8xlarge", "c4.large", "c4.xlarge", "c4.2xlarge", "c4.4xlarge", "c4.8xlarge", "g2.2xlarge", "g2.8xlarge", "r3.large", "r3.xlarge", "r3.2xlarge", "r3.4xlarge", "r3.8xlarge", "i2.xlarge", "i2.2xlarge", "i2.4xlarge", "i2.8xlarge", "d2.xlarge", "d2.2xlarge", "d2.4xlarge", "d2.8xlarge", "hi1.4xlarge", "hs1.8xlarge", "cr1.8xlarge", "cc2.8xlarge", "cg1.4xlarge"] , "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." } }, "Mappings" : { "AWSInstanceType2Arch" : { "c1.medium" : { "Arch" : "HVM64" }, "c1.xlarge" : { "Arch" : "HVM64" }, "c3.2xlarge" : { "Arch" : "HVM64" }, "c3.4xlarge" : { "Arch" : "HVM64" }, "c3.8xlarge" : { "Arch" : "HVM64" }, "c3.large" : { "Arch" : "HVM64" }, "c3.xlarge" : { "Arch" : "HVM64" }, "c4.2xlarge" : { "Arch" : "HVM64" }, "c4.4xlarge" : { "Arch" : "HVM64" }, "c4.8xlarge" : { "Arch" : "HVM64" }, "c4.large" : { "Arch" : "HVM64" }, "c4.xlarge" : { "Arch" : "HVM64" }, "cc2.8xlarge" : { "Arch" : "HVM64" }, "cr1.8xlarge" : { "Arch" : "HVM64" }, "d2.2xlarge" : { "Arch" : "HVM64" }, "d2.4xlarge" : { "Arch" : "HVM64" }, "d2.8xlarge" : { "Arch" : "HVM64" }, "d2.xlarge" : { "Arch" : "HVM64" }, "g2.2xlarge" : { "Arch" : "HVMG2" }, "g2.8xlarge" : { "Arch" : "HVMG2" }, "hi1.4xlarge" : { "Arch" : "HVM64" }, "hs1.8xlarge" : { "Arch" : "HVM64" }, "i2.2xlarge" : { "Arch" : "HVM64" }, "i2.4xlarge" : { "Arch" : "HVM64" }, "i2.8xlarge" : { "Arch" : "HVM64" }, "i2.xlarge" : { "Arch" : "HVM64" }, "m1.large" : { "Arch" : "HVM64" }, "m1.medium" : { "Arch" : "HVM64" }, "m1.small" : { "Arch" : "HVM64" }, "m1.xlarge" : { "Arch" : "HVM64" }, "m2.2xlarge" : { "Arch" : "HVM64" }, "m2.4xlarge" : { "Arch" : "HVM64" }, "m2.xlarge" : { "Arch" : "HVM64" }, "m3.2xlarge" : { "Arch" : "HVM64" }, "m3.large" : { "Arch" : "HVM64" }, "m3.medium" : { "Arch" : "HVM64" }, "m3.xlarge" : { "Arch" : "HVM64" }, "m4.10xlarge" : { "Arch" : "HVM64" }, "m4.2xlarge" : { "Arch" : "HVM64" }, "m4.4xlarge" : { "Arch" : "HVM64" }, "m4.large" : { "Arch" : "HVM64" }, "m4.xlarge" : { "Arch" : "HVM64" }, "r3.2xlarge" : { "Arch" : "HVM64" }, "r3.4xlarge" : { "Arch" : "HVM64" }, "r3.8xlarge" : { "Arch" : "HVM64" }, "r3.large" : { "Arch" : "HVM64" }, "r3.xlarge" : { "Arch" : "HVM64" }, "t1.micro" : { "Arch" : "HVM64" }, "t2.large" : { "Arch" : "HVM64" }, "t2.medium" : { "Arch" : "HVM64" }, "t2.micro" : { "Arch" : "HVM64" }, "t2.nano" : { "Arch" : "HVM64" }, "t2.small" : { "Arch" : "HVM64" } }, "AWSInstanceType2NATArch" : { "c1.medium" : { "Arch" : "NATHVM64" }, "c1.xlarge" : { "Arch" : "NATHVM64" }, "c3.2xlarge" : { "Arch" : "NATHVM64" }, "c3.4xlarge" : { "Arch" : "NATHVM64" }, "c3.8xlarge" : { "Arch" : "NATHVM64" }, "c3.large" : { "Arch" : "NATHVM64" }, "c3.xlarge" : { "Arch" : "NATHVM64" }, "c4.2xlarge" : { "Arch" : "NATHVM64" }, "c4.4xlarge" : { "Arch" : "NATHVM64" }, "c4.8xlarge" : { "Arch" : "NATHVM64" }, "c4.large" : { "Arch" : "NATHVM64" }, "c4.xlarge" : { "Arch" : "NATHVM64" }, "cc2.8xlarge" : { "Arch" : "NATHVM64" }, "cr1.8xlarge" : { "Arch" : "NATHVM64" }, "d2.2xlarge" : { "Arch" : "NATHVM64" }, "d2.4xlarge" : { "Arch" : "NATHVM64" }, "d2.8xlarge" : { "Arch" : "NATHVM64" }, "d2.xlarge" : { "Arch" : "NATHVM64" }, "g2.2xlarge" : { "Arch" : "NATHVMG2" }, "g2.8xlarge" : { "Arch" : "NATHVMG2" }, "hi1.4xlarge" : { "Arch" : "NATHVM64" }, "hs1.8xlarge" : { "Arch" : "NATHVM64" }, "i2.2xlarge" : { "Arch" : "NATHVM64" }, "i2.4xlarge" : { "Arch" : "NATHVM64" }, "i2.8xlarge" : { "Arch" : "NATHVM64" }, "i2.xlarge" : { "Arch" : "NATHVM64" }, "m1.large" : { "Arch" : "NATHVM64" }, "m1.medium" : { "Arch" : "NATHVM64" }, "m1.small" : { "Arch" : "NATHVM64" }, "m1.xlarge" : { "Arch" : "NATHVM64" }, "m2.2xlarge" : { "Arch" : "NATHVM64" }, "m2.4xlarge" : { "Arch" : "NATHVM64" }, "m2.xlarge" : { "Arch" : "NATHVM64" }, "m3.2xlarge" : { "Arch" : "NATHVM64" }, "m3.large" : { "Arch" : "NATHVM64" }, "m3.medium" : { "Arch" : "NATHVM64" }, "m3.xlarge" : { "Arch" : "NATHVM64" }, "m4.10xlarge" : { "Arch" : "NATHVM64" }, "m4.2xlarge" : { "Arch" : "NATHVM64" }, "m4.4xlarge" : { "Arch" : "NATHVM64" }, "m4.large" : { "Arch" : "NATHVM64" }, "m4.xlarge" : { "Arch" : "NATHVM64" }, "r3.2xlarge" : { "Arch" : "NATHVM64" }, "r3.4xlarge" : { "Arch" : "NATHVM64" }, "r3.8xlarge" : { "Arch" : "NATHVM64" }, "r3.large" : { "Arch" : "NATHVM64" }, "r3.xlarge" : { "Arch" : "NATHVM64" }, "t1.micro" : { "Arch" : "NATHVM64" }, "t2.large" : { "Arch" : "NATHVM64" }, "t2.medium" : { "Arch" : "NATHVM64" }, "t2.micro" : { "Arch" : "NATHVM64" }, "t2.nano" : { "Arch" : "NATHVM64" }, "t2.small" : { "Arch" : "NATHVM64" } } , "AWSRegionArch2AMI" : { "af-south-1" : {"HVM64" : "ami-0412806bd0f2cf75f", "HVMG2" : "NOT_SUPPORTED"}, "ap-east-1" : {"HVM64" : "ami-0e0a21f8bd5195698", "HVMG2" : "NOT_SUPPORTED"}, "ap-northeast-1" : {"HVM64" : "ami-0c3e3e7af817ad732", "HVMG2" : "NOT_SUPPORTED"}, "ap-northeast-2" : {"HVM64" : "ami-0f8dbbf156e3a5cc6", "HVMG2" : "NOT_SUPPORTED"}, "ap-northeast-3" : {"HVM64" : "ami-02a371c41f08cc499", "HVMG2" : "NOT_SUPPORTED"}, "ap-south-1" : {"HVM64" : "ami-0f4ab3c8db917e421", "HVMG2" : "NOT_SUPPORTED"}, "ap-south-2" : {"HVM64" : "ami-008b9c53bb1dcd29c", "HVMG2" : "NOT_SUPPORTED"}, "ap-southeast-1" : {"HVM64" : "ami-0c3189395e5b39df7", "HVMG2" : "NOT_SUPPORTED"}, "ap-southeast-2" : {"HVM64" : "ami-040d698318c0b1575", "HVMG2" : "NOT_SUPPORTED"}, "ap-southeast-3" : {"HVM64" : "ami-065dcca47dde26602", "HVMG2" : "NOT_SUPPORTED"}, "ap-southeast-4" : {"HVM64" : "ami-043e25432cf94e107", "HVMG2" : "NOT_SUPPORTED"}, "il-central-1" : {"HVM64" : "ami-0054be7d7d9d65a1d", "HVMG2" : "NOT_SUPPORTED"}, "ca-central-1" : {"HVM64" : "ami-05f40104305a2cdf7", "HVMG2" : "NOT_SUPPORTED"}, "cn-north-1" : {"HVM64" : "ami-03f1e08d409b1e5fd", "HVMG2" : "NOT_SUPPORTED"}, "cn-northwest-1" : {"HVM64" : "ami-00093746b9a0e272a", "HVMG2" : "NOT_SUPPORTED"}, "eu-central-1" : {"HVM64" : "ami-0f454ec961da9a046", "HVMG2" : "NOT_SUPPORTED"}, "eu-north-1" : {"HVM64" : "ami-0e78cd18c67fcf512", "HVMG2" : "NOT_SUPPORTED"}, "eu-south-1" : {"HVM64" : "ami-07d048788725b9602", "HVMG2" : "NOT_SUPPORTED"}, "eu-west-1" : {"HVM64" : "ami-0db5ca3e5748fb7e2", "HVMG2" : "NOT_SUPPORTED"}, "eu-west-2" : {"HVM64" : "ami-07baf6b15b7387f24", "HVMG2" : "NOT_SUPPORTED"}, "eu-west-3" : {"HVM64" : "ami-05a13fbd8aa57eedc", "HVMG2" : "NOT_SUPPORTED"}, "me-south-1" : {"HVM64" : "ami-0007de3fdcaba7e44", "HVMG2" : "NOT_SUPPORTED"}, "me-central-1" : {"HVM64" : "ami-06ce88defa3fc74ed", "HVMG2" : "NOT_SUPPORTED"}, "eu-south-2" : {"HVM64" : "ami-051306f4e885d6de4", "HVMG2" : "NOT_SUPPORTED"}, "eu-central-2" : {"HVM64" : "ami-0fcd532574732cb0f", "HVMG2" : "NOT_SUPPORTED"}, "sa-east-1" : {"HVM64" : "ami-07f6e9fce0e888425", "HVMG2" : "NOT_SUPPORTED"}, "us-east-1" : {"HVM64" : "ami-01989ebfd388ea377", "HVMG2" : "NOT_SUPPORTED"}, "us-east-2" : {"HVM64" : "ami-0de69dde1945155da", "HVMG2" : "NOT_SUPPORTED"}, "us-west-1" : {"HVM64" : "ami-08fe20a82dcaa1c92", "HVMG2" : "NOT_SUPPORTED"}, "us-west-2" : {"HVM64" : "ami-05848d23360f5edfe", "HVMG2" : "NOT_SUPPORTED"} } }, "Resources" : { "ApplicationLoadBalancer" : { "Type" : "AWS::ElasticLoadBalancingV2::LoadBalancer", "Properties" : { "Subnets" : { "Ref" : "Subnets"} } }, "ALBListener" : { "Type" : "AWS::ElasticLoadBalancingV2::Listener", "Properties" : { "DefaultActions" : [{ "Type" : "forward", "TargetGroupArn" : { "Ref" : "ALBTargetGroup" } }], "LoadBalancerArn" : { "Ref" : "ApplicationLoadBalancer" }, "Port" : "80", "Protocol" : "HTTP" } }, "ALBTargetGroup" : { "Type" : "AWS::ElasticLoadBalancingV2::TargetGroup", "Properties" : { "HealthCheckIntervalSeconds" : 10, "HealthCheckTimeoutSeconds" : 5, "HealthyThresholdCount" : 2, "Port" : 80, "Protocol" : "HTTP", "UnhealthyThresholdCount" : 5, "VpcId" : {"Ref" : "VpcId"}, "TargetGroupAttributes" : [ { "Key" : "stickiness.enabled", "Value" : "true" }, { "Key" : "stickiness.type", "Value" : "lb_cookie" }, { "Key" : "stickiness.lb_cookie.duration_seconds", "Value" : "30" } ] } }, "WebServerGroup" : { "Type" : "AWS::AutoScaling::AutoScalingGroup", "Properties" : { "VPCZoneIdentifier" : { "Ref" : "Subnets" }, "LaunchConfigurationName" : { "Ref" : "LaunchConfig" }, "MinSize" : "1", "MaxSize" : "5", "DesiredCapacity" : { "Ref" : "WebServerCapacity" }, "TargetGroupARNs" : [ { "Ref" : "ALBTargetGroup" } ] }, "CreationPolicy" : { "ResourceSignal" : { "Timeout" : "PT30M" } }, "UpdatePolicy": { "AutoScalingRollingUpdate": { "MinInstancesInService": "1", "MaxBatchSize": "1", "PauseTime" : "PT30M", "WaitOnResourceSignals": "true" } } }, "LaunchConfig": { "Type" : "AWS::AutoScaling::LaunchConfiguration", "Metadata" : { "AWS::CloudFormation::Init" : { "configSets" : { "full_install" : [ "install_cfn", "install_ruby_2_3_1", "configure_mysql", "install_application" ] }, "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 full_install ", " --region ", { "Ref" : "AWS::Region" }, "\n", "runas=root\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_ruby_2_3_1": { "files": { "/tmp/install_ruby": { "content": { "Fn::Join": [ "\n", [ "#!/bin/bash", "curl -sSL https://get.rvm.io | bash", "source /etc/profile.d/rvm.sh", "rvm install 2.5", "rvm --default use 2.5", "gem install rails -v 5.2.4.5" ] ] }, "mode": "000500", "owner": "root", "group": "root" } }, "commands": { "01_install_ruby": { "command": "/tmp/install_ruby > /var/log/install_ruby.log" } } }, "configure_mysql" : { "packages" : { "yum" : { "mysql" : [], "mysql-devel" : [], "mysql-libs" : [], "git" : [] } } }, "install_application" : { "files" : { "/tmp/database.yml" : { "content" : { "Fn::Join" : ["", [ "development:\n", " adapter: mysql2\n", " encoding: utf8\n", " reconnect: false\n", " pool: 5\n", " database: ", { "Ref" : "DBName" }, "\n", " username: ", { "Ref" : "DBUser" }, "\n", " password: ", { "Ref" : "DBPassword" }, "\n", " host: ", { "Fn::GetAtt": [ "MySQLDatabase", "Endpoint.Address" ] }, "\n", " port: ", { "Fn::GetAtt": [ "MySQLDatabase", "Endpoint.Port" ] }, "\n" ]]}, "mode" : "000400", "owner" : "root", "group" : "root" }, "/tmp/conditional_migration.rb" : { "content" : { "Fn::Join" : ["", [ "class CreateNotes < ActiveRecord::Migration[5.1]\n", " def change\n", " if ! table_exists?(:notes)\n", " create_table :notes do |t|\n", " t.string :title\n", " t.text :body\n", " t.timestamps\n", " end\n", " end\n", " end\n", "end\n" ]]}, "mode" : "000500", "owner" : "root", "group" : "root" }, "/tmp/install_application" : { "content" : { "Fn::Join" : ["", [ "#!/bin/bash -e\n", "echo install_application started\n", "source /etc/profile.d/rvm.sh\n", "rvm use 2.5\n", "export HOME=/home/ec2-user\n", "export PATH=$PATH:/usr/local/bin\n", "export GEM_HOME=$(ruby -e 'puts Gem.user_dir')\n", "curl --silent --location https://rpm.nodesource.com/setup_14.x |sudo bash -\n", "sudo yum install -y nodejs\n", "cd /home/ec2-user\n", "# Kill the rails server if it is running to allow update\n", "if pgrep ruby &> /dev/null ; then pkill -TERM ruby ; fi\n", "# This sample template creates a new application inline\n", "# Typically you would use files and/or sources to download\n", "# your application package and perform any configuration here.\n", "# Create a new application, with therubyracer javascript library\n", "rails new sample -d mysql --skip-spring --skip-bundle --force\n", "cd /home/ec2-user/sample\n", "sed -i 's/^# \\(.*therubyracer.*$\\)/\\1/' Gemfile\n", "bundle install\n", "# Create a sample scoffold\n", "rails generate scaffold Note title:string body:text --force\n", "# Configure the database connection\n", "mv /tmp/database.yml config\n", "# Since there are multiple instances running, conditionalize the migration\n", "# so that only 1 host creates the tables. In the real world, you may check to\n", "# see if the table matches the schema and do a migrate so that updates work\n", "file=$(find db/migrate/*create_notes* -type f -printf '%f')\n", "mv /tmp/conditional_migration.rb db/migrate/$file\n", "rake db:migrate\n" ]]}, "mode" : "000500", "owner" : "root", "group" : "root" }, "/home/ec2-user/start-application" : { "content" : { "Fn::Join" : ["", [ "#!/bin/bash -e\n", "source /etc/profile.d/rvm.sh\n", "rvm use 2.5\n", "export HOME=/home/ec2-user\n", "export PATH=$PATH:/usr/local/bin\n", "cd /home/ec2-user/sample\n", "# Startup the application\n", "rails server --binding 0.0.0.0 -p 80 -d\n" ]]}, "mode" : "000500", "owner" : "root", "group" : "root" } }, "commands" : { "01_install_application" : { "command" : "/tmp/install_application > /var/log/install_application.log" }, "02_configure_reboot" : { "command" : "echo /home/ec2-user/start-application >> /etc/rc.local" }, "03_start_application" : { "command" : "/home/ec2-user/start-application" }, "04_cleanup" : { "command" : "rm /tmp/install_application" } } } } }, "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 -xe\n", "yum update -y aws-cfn-bootstrap\n", "/opt/aws/bin/cfn-init -v ", " --stack ", { "Ref" : "AWS::StackId" }, " --resource LaunchConfig ", " --configsets full_install ", " --region ", { "Ref" : "AWS::Region" }, "\n", "/opt/aws/bin/cfn-signal -e $? ", " --stack ", { "Ref" : "AWS::StackId" }, " --resource WebServerGroup ", " --region ", { "Ref" : "AWS::Region" }, "\n" ]]}} } }, "WebServerSecurityGroup" : { "Type" : "AWS::EC2::SecurityGroup", "Properties" : { "GroupDescription" : "Enable HTTP access locked down to the load balancer + SSH access", "SecurityGroupIngress" : [ {"IpProtocol" : "tcp", "FromPort" : "80", "ToPort" : "80", "SourceSecurityGroupId" : {"Fn::Select" : [0, {"Fn::GetAtt" : ["ApplicationLoadBalancer", "SecurityGroups"]}]}}, {"IpProtocol" : "tcp", "FromPort" : "22", "ToPort" : "22", "CidrIp" : { "Ref" : "SSHLocation"}} ], "VpcId" : { "Ref" : "VpcId" } } }, "DBEC2SecurityGroup": { "Type": "AWS::EC2::SecurityGroup", "Properties" : { "GroupDescription": "Open database for access", "SecurityGroupIngress" : [{ "IpProtocol" : "tcp", "FromPort" : "3306", "ToPort" : "3306", "SourceSecurityGroupId" : { "Ref" : "WebServerSecurityGroup" } }], "VpcId" : { "Ref" : "VpcId" } } }, "MySQLDatabase": { "Type": "AWS::RDS::DBInstance", "Properties": { "Engine" : "MySQL", "DBName" : { "Ref": "DBName" }, "MultiAZ" : { "Ref": "MultiAZDatabase" }, "MasterUsername": { "Ref": "DBUser" }, "MasterUserPassword": { "Ref" : "DBPassword" }, "DBInstanceClass": { "Ref" : "DBInstanceClass" }, "AllocatedStorage": { "Ref" : "DBAllocatedStorage" }, "VPCSecurityGroups": [ { "Fn::GetAtt": [ "DBEC2SecurityGroup", "GroupId" ] } ] } } }, "Outputs" : { "WebsiteURL" : { "Value" : { "Fn::Join" : ["", ["http://", { "Fn::GetAtt" : [ "ApplicationLoadBalancer", "DNSName" ]}, "/notes" ]] }, "Description" : "URL for newly created Rails application" } } }