AWS cloudfomation模板2 创建多台主机

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{
"AWSTemplateFormatVersion" : "2010-09-09",
"Description" : "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."
},
"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","m5.2xlarge","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."
},
"WebServerCapacity": {
"Default": "1",
"Description" : "The initial number of WebServer instances",
"Type": "Number",
"MinValue": "1",
"MaxValue": "20",
"ConstraintDescription" : "must be between 1 and 20 EC2 instances."
}
},
"Mappings" : {
"AWSInstanceType2Arch" : {
"t1.micro"    : { "Arch" : "PV64"   },
"t2.nano"     : { "Arch" : "HVM64"  },
"t2.micro"    : { "Arch" : "HVM64"  },
"t2.small"    : { "Arch" : "HVM64"  },
"t2.medium"   : { "Arch" : "HVM64"  },
"t2.large"    : { "Arch" : "HVM64"  },
"m1.small"    : { "Arch" : "PV64"   },
"m1.medium"   : { "Arch" : "PV64"   },
"m1.large"    : { "Arch" : "PV64"   },
"m1.xlarge"   : { "Arch" : "PV64"   },
"m2.xlarge"   : { "Arch" : "PV64"   },
"m2.2xlarge"  : { "Arch" : "PV64"   },
"m2.4xlarge"  : { "Arch" : "PV64"   },
"m3.medium"   : { "Arch" : "HVM64"  },
"m3.large"    : { "Arch" : "HVM64"  },
"m3.xlarge"   : { "Arch" : "HVM64"  },
"m3.2xlarge"  : { "Arch" : "HVM64"  },
"m4.large"    : { "Arch" : "HVM64"  },
"m4.xlarge"   : { "Arch" : "HVM64"  },
"m4.2xlarge"  : { "Arch" : "HVM64"  },
"m4.4xlarge"  : { "Arch" : "HVM64"  },
"m4.10xlarge" : { "Arch" : "HVM64"  },
"m5.2xlarge"    : { "Arch" : "HVM64"  },
"c1.medium"   : { "Arch" : "PV64"   },
"c1.xlarge"   : { "Arch" : "PV64"   },
"c3.large"    : { "Arch" : "HVM64"  },
"c3.xlarge"   : { "Arch" : "HVM64"  },
"c3.2xlarge"  : { "Arch" : "HVM64"  },
"c3.4xlarge"  : { "Arch" : "HVM64"  },
"c3.8xlarge"  : { "Arch" : "HVM64"  },
"c4.large"    : { "Arch" : "HVM64"  },
"c4.xlarge"   : { "Arch" : "HVM64"  },
"c4.2xlarge"  : { "Arch" : "HVM64"  },
"c4.4xlarge"  : { "Arch" : "HVM64"  },
"c4.8xlarge"  : { "Arch" : "HVM64"  },
"g2.2xlarge"  : { "Arch" : "HVMG2"  },
"g2.8xlarge"  : { "Arch" : "HVMG2"  },
"r3.large"    : { "Arch" : "HVM64"  },
"r3.xlarge"   : { "Arch" : "HVM64"  },
"r3.2xlarge"  : { "Arch" : "HVM64"  },
"r3.4xlarge"  : { "Arch" : "HVM64"  },
"r3.8xlarge"  : { "Arch" : "HVM64"  },
"i2.xlarge"   : { "Arch" : "HVM64"  },
"i2.2xlarge"  : { "Arch" : "HVM64"  },
"i2.4xlarge"  : { "Arch" : "HVM64"  },
"i2.8xlarge"  : { "Arch" : "HVM64"  },
"d2.xlarge"   : { "Arch" : "HVM64"  },
"d2.2xlarge"  : { "Arch" : "HVM64"  },
"d2.4xlarge"  : { "Arch" : "HVM64"  },
"d2.8xlarge"  : { "Arch" : "HVM64"  },
"hi1.4xlarge" : { "Arch" : "HVM64"  },
"hs1.8xlarge" : { "Arch" : "HVM64"  },
"cr1.8xlarge" : { "Arch" : "HVM64"  },
"cc2.8xlarge" : { "Arch" : "HVM64"  }
},
"AWSRegionArch2AMI" : {
"us-east-1"        : {"PV64" : "ami-2a69aa47", "HVM64" : "ami-97785bed", "HVMG2" : "ami-0a6e3770"},
"us-west-2"        : {"PV64" : "ami-7f77b31f", "HVM64" : "ami-f2d3638a", "HVMG2" : "ami-ee15a196"},
"us-west-1"        : {"PV64" : "ami-a2490dc2", "HVM64" : "ami-824c4ee2", "HVMG2" : "ami-0da4a46d"},
"eu-west-1"        : {"PV64" : "ami-4cdd453f", "HVM64" : "ami-d834aba1", "HVMG2" : "ami-af8013d6"},
"eu-west-2"        : {"PV64" : "NOT_SUPPORTED", "HVM64" : "ami-403e2524", "HVMG2" : "NOT_SUPPORTED"},
"eu-west-3"        : {"PV64" : "NOT_SUPPORTED", "HVM64" : "ami-8ee056f3", "HVMG2" : "NOT_SUPPORTED"},
"eu-central-1"     : {"PV64" : "ami-6527cf0a", "HVM64" : "ami-5652ce39", "HVMG2" : "ami-1d58ca72"},
"ap-northeast-1"   : {"PV64" : "ami-3e42b65f", "HVM64" : "ami-6b0d5f0d", "HVMG2" : "ami-edfd658b"},
"ap-northeast-2"   : {"PV64" : "NOT_SUPPORTED", "HVM64" : "ami-863090e8", "HVMG2" : "NOT_SUPPORTED"},
"ap-northeast-3"   : {"PV64" : "NOT_SUPPORTED", "HVM64" : "ami-83444afe", "HVMG2" : "NOT_SUPPORTED"},
"ap-southeast-1"   : {"PV64" : "ami-df9e4cbc", "HVM64" : "ami-68097514", "HVMG2" : "ami-c06013bc"},
"ap-southeast-2"   : {"PV64" : "ami-63351d00", "HVM64" : "ami-942dd1f6", "HVMG2" : "ami-85ef12e7"},
"ap-south-1"       : {"PV64" : "NOT_SUPPORTED", "HVM64" : "ami-531a4c3c", "HVMG2" : "ami-411e492e"},
"us-east-2"        : {"PV64" : "NOT_SUPPORTED", "HVM64" : "ami-f63b1193", "HVMG2" : "NOT_SUPPORTED"},
"ca-central-1"     : {"PV64" : "NOT_SUPPORTED", "HVM64" : "ami-a954d1cd", "HVMG2" : "NOT_SUPPORTED"},
"sa-east-1"        : {"PV64" : "ami-1ad34676", "HVM64" : "ami-84175ae8", "HVMG2" : "NOT_SUPPORTED"},
"cn-north-1"       : {"PV64" : "ami-77559f1a", "HVM64" : "ami-cb19c4a6", "HVMG2" : "NOT_SUPPORTED"},
"cn-northwest-1"   : {"PV64" : "ami-80707be2", "HVM64" : "ami-3e60745c", "HVMG2" : "NOT_SUPPORTED"}
}
},
"Resources" : {
"WebServerGroup" : {
"Type" : "AWS::AutoScaling::AutoScalingGroup",
"Properties" : {
"VPCZoneIdentifier" : { "Ref" : "Subnets" },
"LaunchConfigurationName" : { "Ref" : "LaunchConfig" },
"MinSize" : "1",
"MaxSize" : "20",
"DesiredCapacity" : { "Ref" : "WebServerCapacity" }
},     
"CreationPolicy" : {      
"ResourceSignal" : {
"Count": { "Ref" : "WebServerCapacity" } ,
"Timeout" : "PT15M"
}
}
},
"LaunchConfig": {
"Type" : "AWS::AutoScaling::LaunchConfiguration",
"Metadata" : {
"AWS::CloudFormation::Init" : {
"configSets" : {
"wordpress_install" : ["install_cfn"]
},
"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  wordpress_install ",
"         --region ", { "Ref" : "AWS::Region" }, "\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"]}
}
}
}
}
},
"Properties": {
"AssociatePublicIpAddress":"true",
"InstanceMonitoring":"false",
"ImageId" : { "Fn::FindInMap" : [ "AWSRegionArch2AMI", { "Ref" : "AWS::Region" },
{ "Fn::FindInMap" : [ "AWSInstanceType2Arch", { "Ref" : "InstanceType" }, "Arch" ] } ] },
"InstanceType"   : { "Ref" : "InstanceType" },
"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::StackName" },
"         --resource LaunchConfig ",
"         --configsets wordpress_install  ",
"         --region ", { "Ref" : "AWS::Region" }, "\n",
"/opt/aws/bin/cfn-signal -e $? ",
"         --stack ", { "Ref" : "AWS::StackName" },
"         --resource WebServerGroup ",
"         --region ", { "Ref" : "AWS::Region" }, "\n"
]]}},
"BlockDeviceMappings" : [
{
"DeviceName" : "/dev/sdb",
"Ebs" : { "VolumeSize" : "1", "VolumeType" : "gp2", "DeleteOnTermination" : "true"}
}
]
}
}
}
}