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ElastiCache.template
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{
"AWSTemplateFormatVersion" : "2010-09-09",
"Description" : "AWS CloudFormation Sample Template ElastiCache: Sample template showing how to create an Amazon ElastiCache Cache Cluster with Auto Discovery and access it from a very simple PHP application. **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" : {
"KeyName" : {
"Description" : "Name of an existing Amazon EC2 KeyPair for SSH access to the Web Server",
"Type" : "String"
},
"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.m1.small",
"Description" : "The compute and memory capacity of the nodes in the Cache Cluster",
"Type" : "String",
"AllowedValues" : [ "cache.m1.small", "cache.m1.large", "cache.m1.xlarge", "cache.m2.xlarge", "cache.m2.2xlarge", "cache.m2.4xlarge", "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-1624987f", "CLU64" : "ami-08249861", "GPU64" : "ami-02f54a6b" },
"us-west-2" : { "PV64" : "ami-2a31bf1a", "CLU64" : "ami-2431bf14", "GPU64" : "NOT_YET_SUPPORTED" },
"us-west-1" : { "PV64" : "ami-1bf9de5e", "CLU64" : "NOT_YET_SUPPORTED", "GPU64" : "NOT_YET_SUPPORTED" },
"eu-west-1" : { "PV64" : "ami-c37474b7", "CLU64" : "ami-d97474ad", "GPU64" : "ami-1b02026f" },
"ap-southeast-1" : { "PV64" : "ami-a6a7e7f4", "CLU64" : "NOT_YET_SUPPORTED", "GPU64" : "NOT_YET_SUPPORTED" },
"ap-southeast-2" : { "PV64" : "ami-bd990e87", "CLU64" : "NOT_YET_SUPPORTED", "GPU64" : "NOT_YET_SUPPORTED" },
"ap-northeast-1" : { "PV64" : "ami-4e6cd34f", "CLU64" : "NOT_YET_SUPPORTED", "GPU64" : "NOT_YET_SUPPORTED" },
"sa-east-1" : { "PV64" : "ami-1e08d103", "CLU64" : "NOT_YET_SUPPORTED", "GPU64" : "NOT_YET_SUPPORTED" }
}
},
"Resources" : {
"CacheCluster" : {
"Type": "AWS::ElastiCache::CacheCluster",
"Properties": {
"CacheNodeType" : { "Ref" : "CacheNodeType" },
"CacheSecurityGroupNames" : [ { "Ref" : "CacheSecurityGroup" } ],
"Engine" : "memcached",
"NumCacheNodes" : { "Ref" : "NumberOfCacheNodes" }
}
},
"CacheSecurityGroup": {
"Type": "AWS::ElastiCache::SecurityGroup",
"Properties": {
"Description" : "Lock cache down to Web Server access only"
}
},
"CacheSecurityGroupIngress": {
"Type": "AWS::ElastiCache::SecurityGroupIngress",
"Properties": {
"CacheSecurityGroupName" : { "Ref" : "CacheSecurityGroup" },
"EC2SecurityGroupName" : { "Ref" : "WebServerSecurityGroup" }
}
},
"WebServerSecurityGroup" : {
"Type" : "AWS::EC2::SecurityGroup",
"Properties" : {
"GroupDescription" : "Enable HTTP and SSH access",
"SecurityGroupIngress" : [
{"IpProtocol" : "tcp", "FromPort" : "22", "ToPort" : "22", "CidrIp" : { "Ref" : "SSHLocation"} },
{"IpProtocol" : "tcp", "FromPort" : "80", "ToPort" : "80", "CidrIp" : "0.0.0.0/0"}
]
}
},
"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" : ["", [
"<?php\n",
"echo '<h1>AWS CloudFormation sample application for Amazon ElastiCache</h1>';\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', $tmp_object, 10) or die ('Failed to save data to the cache');\n",
"echo '<p>Store data in the cache (data will expire in 10 seconds)</p>';\n",
"\n",
"$get_result = $dynamic_client->get('key');\n",
"echo '<p>Data from the cache:<br/>';\n",
"\n",
"var_dump($get_result);\n",
"\n",
"echo '</p>';\n",
"?>\n"
]]},
"mode" : "000644",
"owner" : "apache",
"group" : "apache"
}
},
"commands" : {
"00_install_memcached_client" : {
"command" : "pecl install https://s3.amazonaws.com/elasticache-downloads/ClusterClient/PHP/latest-64bit"
},
"01_enable_auto_discovery" : {
"command" : "echo 'extension=amazon-elasticache-cluster-client.so' > /etc/php.d/memcached.ini"
}
},
"services" : {
"sysvinit" : {
"httpd" : { "enabled" : "true", "ensureRunning" : "true" },
"sendmail" : { "enabled" : "false", "ensureRunning" : "false" }
}
}
}
}
},
"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",
"# Setup the PHP sample application\n",
"/opt/aws/bin/cfn-init ",
" --stack ", { "Ref" : "AWS::StackName" },
" --resource WebServerHost ",
" --region ", { "Ref" : "AWS::Region" }, "\n",
"# Signal the status of cfn-init\n",
"/opt/aws/bin/cfn-signal -e $? '", { "Ref" : "WebServerWaitHandle" }, "'\n"
]]}}
}
},
"WebServerWaitHandle" : {
"Type" : "AWS::CloudFormation::WaitConditionHandle"
},
"WebServerWaitCondition" : {
"Type" : "AWS::CloudFormation::WaitCondition",
"DependsOn" : "WebServerHost",
"Properties" : {
"Handle" : {"Ref" : "WebServerWaitHandle"},
"Timeout" : "300"
}
}
},
"Outputs" : {
"WebsiteURL" : {
"Value" : { "Fn::Join" : ["", ["http://", { "Fn::GetAtt" : [ "WebServerHost", "PublicDnsName" ]} ]] },
"Description" : "Application URL"
}
}
}