{ "AWSTemplateFormatVersion" : "2010-09-09", "Description" : "AWS CloudFormation Sample Template VPC_ElastiCache_Cluster: Sample template showing how to create an Amazon ElastiCache Cache Cluster with Auto Discovery and access it from a very simple PHP application within an existing VPC. **WARNING** This template creates an Amazon Ec2 Instance and an Amazon ElastiCache Cluster. You will be billed for the AWS resources used if you create a stack from this template.", "Parameters" : { "VpcId" : { "Type" : "String", "Description" : "VpcId of your existing Virtual Private Cloud (VPC)" }, "CacheSubnets" : { "Type" : "CommaDelimitedList", "Description" : "The list of SubnetIds for the CacheCluster, you need at least 2 subnets in different availability zones" }, "InstanceSubnet" : { "Type" : "String", "Description" : "The SubnetId for the web server instance. It must have internet gateway access and access to the subnets containing the CacheCluster" }, "KeyName": { "Description" : "Name of an existing EC2 KeyPair to enable SSH access to the web server", "Type": "String", "MinLength": "1", "MaxLength": "255", "AllowedPattern" : "[\\x20-\\x7E]*", "ConstraintDescription" : "can contain only ASCII characters." }, "InstanceType" : { "Description" : "WebServer EC2 instance type", "Type" : "String", "Default" : "m1.small", "AllowedValues" : [ "t1.micro","m1.small","m1.medium","m1.large","m1.xlarge", "m3.xlarge", "m3.2xlarge", "m2.xlarge","m2.2xlarge","m2.4xlarge","c1.medium","c1.xlarge","cc1.4xlarge","cc2.8xlarge","cg1.4xlarge", "hi1.4xlarge", "hs1.8xlarge"], "ConstraintDescription" : "must be a valid EC2 instance type." }, "CacheNodeType" : { "Default" : "cache.t1.micro", "Description" : "The compute and memory capacity of the nodes in the Cache Cluster", "Type" : "String", "AllowedValues" : [ "cache.t1.micro", "cache.m1.small", "cache.m1.medium", "cache.m1.large", "cache.m1.xlarge", "cache.m2.xlarge", "cache.m2.2xlarge", "cache.m2.4xlarge", "cache.m3.xlarge", "cache.m3.2xlarge", "cache.c1.xlarge" ], "ConstraintDescription" : "must select a valid Cache Node type." }, "NumberOfCacheNodes" : { "Default": "1", "Description" : "The number of Cache Nodes the Cache Cluster should have", "Type": "Number", "MinValue": "1", "MaxValue": "10", "ConstraintDescription" : "must be between 5 and 10." }, "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" : "PV64" }, "m1.small" : { "Arch" : "PV64" }, "m1.medium" : { "Arch" : "PV64" }, "m1.large" : { "Arch" : "PV64" }, "m1.xlarge" : { "Arch" : "PV64" }, "m3.xlarge" : { "Arch" : "PV64" }, "m3.2xlarge" : { "Arch" : "PV64" }, "m2.xlarge" : { "Arch" : "PV64" }, "m2.2xlarge" : { "Arch" : "PV64" }, "m2.4xlarge" : { "Arch" : "PV64" }, "c1.medium" : { "Arch" : "PV64" }, "c1.xlarge" : { "Arch" : "PV64" }, "cc1.4xlarge" : { "Arch" : "CLU64" }, "cc2.8xlarge" : { "Arch" : "CLU64" }, "cg1.4xlarge" : { "Arch" : "GPU64" }, "hi1.4xlarge" : { "Arch" : "PV64" }, "hs1.8xlarge" : { "Arch" : "PV64" } }, "AWSRegionArch2AMI" : { "us-east-1" : { "PV64" : "ami-05355a6c", "CLU64" : "ami-a73758ce", "GPU64" : "ami-cf3758a6" }, "us-west-2" : { "PV64" : "ami-0358ce33", "CLU64" : "ami-d75bcde7", "GPU64" : "NOT_YET_SUPPORTED" }, "us-west-1" : { "PV64" : "ami-3ffed17a", "CLU64" : "ami-47fed102", "GPU64" : "NOT_YET_SUPPORTED" }, "eu-west-1" : { "PV64" : "ami-c7c0d6b3", "CLU64" : "ami-d1c0d6a5", "GPU64" : "ami-45c0d631" }, "ap-southeast-1" : { "PV64" : "ami-fade91a8", "CLU64" : "ami-18de914a", "GPU64" : "NOT_YET_SUPPORTED" }, "ap-southeast-2" : { "PV64" : "ami-d16bfbeb", "CLU64" : "ami-876bfbbd", "GPU64" : "NOT_YET_SUPPORTED" }, "ap-northeast-1" : { "PV64" : "ami-39b23d38", "CLU64" : "ami-2db33c2c", "GPU64" : "NOT_YET_SUPPORTED" }, "sa-east-1" : { "PV64" : "ami-5253894f", "CLU64" : "ami-38538925", "GPU64" : "NOT_YET_SUPPORTED" } } }, "Resources" : { "CacheSubnetGroup" : { "Type" : "AWS::ElastiCache::SubnetGroup", "Properties" : { "Description" : "Subnets available for the ElastiCache Cluster", "SubnetIds" : { "Ref" : "CacheSubnets" } } }, "CacheParameters" : { "Type" : "AWS::ElastiCache::ParameterGroup", "Properties" : { "CacheParameterGroupFamily" : "memcached1.4", "Description" : "Parameter group", "Properties" : { "cas_disabled" : "1" } } }, "CacheSecurityGroup" : { "Type" : "AWS::EC2::SecurityGroup", "Properties" : { "GroupDescription" : "Allow access to the cache from the Web Server", "VpcId" : { "Ref" : "VpcId" }, "SecurityGroupIngress" : [ {"IpProtocol" : "tcp", "FromPort" : "0", "ToPort" : "65535", "SourceSecurityGroupId" : { "Ref" : "WebServerSecurityGroup"} } ] } }, "CacheCluster" : { "Type": "AWS::ElastiCache::CacheCluster", "Properties": { "CacheSubnetGroupName" : { "Ref" : "CacheSubnetGroup" }, "CacheNodeType" : { "Ref" : "CacheNodeType" }, "VpcSecurityGroupIds" : [ { "Ref" : "CacheSecurityGroup" } ], "Engine" : "memcached", "NumCacheNodes" : { "Ref" : "NumberOfCacheNodes" } } }, "WebServerSecurityGroup" : { "Type" : "AWS::EC2::SecurityGroup", "Properties" : { "GroupDescription" : "Enable HTTP and SSH access", "VpcId" : { "Ref" : "VpcId" }, "SecurityGroupIngress" : [ {"IpProtocol" : "tcp", "FromPort" : "22", "ToPort" : "22", "CidrIp" : { "Ref" : "SSHLocation"} }, {"IpProtocol" : "tcp", "FromPort" : "80", "ToPort" : "80", "CidrIp" : "0.0.0.0/0"} ] } }, "EIP" : { "Type" : "AWS::EC2::EIP", "Properties" : { "Domain" : "vpc" } }, "EIPAssoc" : { "Type" : "AWS::EC2::EIPAssociation", "Properties" : { "InstanceId" : { "Ref" : "WebServerHost" }, "AllocationId" : { "Fn::GetAtt" : ["EIP", "AllocationId"] } } }, "WebServerHost": { "Type" : "AWS::EC2::Instance", "Metadata" : { "AWS::CloudFormation::Init" : { "config" : { "packages" : { "yum" : { "httpd" : [], "gcc-c++" : [], "php" : [], "php-pear" : [] } }, "files" : { "/var/www/html/index.php" : { "content" : { "Fn::Join" : ["", [ "AWS CloudFormation sample application for Amazon ElastiCache';\n", "\n", "$server_endpoint = '", { "Fn::GetAtt" : [ "CacheCluster", "ConfigurationEndpoint.Address" ]}, "';\n", "$server_port = ", { "Fn::GetAtt" : [ "CacheCluster", "ConfigurationEndpoint.Port" ]}, ";\n", "\n", "/**\n", " * The following will initialize a Memcached client to utilize the Auto Discovery feature.\n", " * \n", " * By configuring the client with the Dynamic client mode with single endpoint, the\n", " * client will periodically use the configuration endpoint to retrieve the current cache\n", " * cluster configuration. This allows scaling the cache cluster up or down in number of nodes\n", " * without requiring any changes to the PHP application. \n", " */\n", "\n", "$dynamic_client = new Memcached();\n", "$dynamic_client->setOption(Memcached::OPT_CLIENT_MODE, Memcached::DYNAMIC_CLIENT_MODE);\n", "$dynamic_client->addServer($server_endpoint, $server_port);\n", "\n", "$tmp_object = new stdClass;\n", "$tmp_object->str_attr = 'test';\n", "$tmp_object->int_attr = 123;\n", "\n", "$dynamic_client->set('key', $tmp_object, 10) or die ('Failed to save data to the cache');\n", "echo '
Store data in the cache (data will expire in 10 seconds)
';\n", "\n", "$get_result = $dynamic_client->get('key');\n", "echo 'Data from the cache:
';\n",
"\n",
"var_dump($get_result);\n",
"\n",
"echo '