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Created October 23, 2017 04:14
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updated-template-CF
{
"AWSTemplateFormatVersion" : "2010-09-09",
"Description" : "AWS CloudFormation Sample Template AutoScalingMultiAZWithNotifications: Create a multi-az, load balanced and Auto Scaled sample web site running on an Apache Web Serever. The application is configured to span all Availability Zones in the region and is Auto-Scaled based on the CPU utilization of the web servers. Notifications will be sent to the operator email address on scaling events. The instances are load balanced with a simple health check against the default web page. **WARNING** This template creates one or more Amazon EC2 instances and an Application Load Balancer. 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<AWS::EC2::Subnet::Id>",
"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."
},
"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."
},
"OperatorEMail": {
"Description": "EMail address to notify if there are any scaling operations",
"Type": "String",
"AllowedPattern": "([a-zA-Z0-9_\\-\\.]+)@((\\[[0-9]{1,3}\\.[0-9]{1,3}\\.[0-9]{1,3}\\.)|(([a-zA-Z0-9\\-]+\\.)+))([a-zA-Z]{2,4}|[0-9]{1,3})(\\]?)",
"ConstraintDescription": "must be a valid email address."
},
"KeyName" : {
"Description" : "The EC2 Key Pair to allow SSH access to the instances",
"Type" : "AWS::EC2::KeyPair::KeyName",
"ConstraintDescription" : "must be the name of an existing EC2 KeyPair."
},
"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" : {
"Region2Examples" : {
"us-east-1" : { "Examples" : "https://s3.amazonaws.com/cloudformation-examples-us-east-1" },
"us-west-2" : { "Examples" : "https://s3-us-west-2.amazonaws.com/cloudformation-examples-us-west-2" },
"us-west-1" : { "Examples" : "https://s3-us-west-1.amazonaws.com/cloudformation-examples-us-west-1" },
"eu-west-1" : { "Examples" : "https://s3-eu-west-1.amazonaws.com/cloudformation-examples-eu-west-1" },
"eu-west-2" : { "Examples" : "https://s3-eu-west-2.amazonaws.com/cloudformation-examples-eu-west-2" },
"eu-central-1" : { "Examples" : "https://s3-eu-central-1.amazonaws.com/cloudformation-examples-eu-central-1" },
"ap-southeast-1" : { "Examples" : "https://s3-ap-southeast-1.amazonaws.com/cloudformation-examples-ap-southeast-1" },
"ap-northeast-1" : { "Examples" : "https://s3-ap-northeast-1.amazonaws.com/cloudformation-examples-ap-northeast-1" },
"ap-northeast-2" : { "Examples" : "https://s3-ap-northeast-2.amazonaws.com/cloudformation-examples-ap-northeast-2" },
"ap-southeast-2" : { "Examples" : "https://s3-ap-southeast-2.amazonaws.com/cloudformation-examples-ap-southeast-2" },
"ap-south-1" : { "Examples" : "https://s3-ap-south-1.amazonaws.com/cloudformation-examples-ap-south-1" },
"us-east-2" : { "Examples" : "https://s3-us-east-2.amazonaws.com/cloudformation-examples-us-east-2" },
"ca-central-1" : { "Examples" : "https://s3-ca-central-1.amazonaws.com/cloudformation-examples-ca-central-1" },
"sa-east-1" : { "Examples" : "https://s3-sa-east-1.amazonaws.com/cloudformation-examples-sa-east-1" },
"cn-north-1" : { "Examples" : "https://s3.cn-north-1.amazonaws.com.cn/cloudformation-examples-cn-north-1" }
},
"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" },
"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" }
},
"AWSInstanceType2NATArch" : {
"t1.micro" : { "Arch" : "NATPV64" },
"t2.nano" : { "Arch" : "NATHVM64" },
"t2.micro" : { "Arch" : "NATHVM64" },
"t2.small" : { "Arch" : "NATHVM64" },
"t2.medium" : { "Arch" : "NATHVM64" },
"t2.large" : { "Arch" : "NATHVM64" },
"m1.small" : { "Arch" : "NATPV64" },
"m1.medium" : { "Arch" : "NATPV64" },
"m1.large" : { "Arch" : "NATPV64" },
"m1.xlarge" : { "Arch" : "NATPV64" },
"m2.xlarge" : { "Arch" : "NATPV64" },
"m2.2xlarge" : { "Arch" : "NATPV64" },
"m2.4xlarge" : { "Arch" : "NATPV64" },
"m3.medium" : { "Arch" : "NATHVM64" },
"m3.large" : { "Arch" : "NATHVM64" },
"m3.xlarge" : { "Arch" : "NATHVM64" },
"m3.2xlarge" : { "Arch" : "NATHVM64" },
"m4.large" : { "Arch" : "NATHVM64" },
"m4.xlarge" : { "Arch" : "NATHVM64" },
"m4.2xlarge" : { "Arch" : "NATHVM64" },
"m4.4xlarge" : { "Arch" : "NATHVM64" },
"m4.10xlarge" : { "Arch" : "NATHVM64" },
"c1.medium" : { "Arch" : "NATPV64" },
"c1.xlarge" : { "Arch" : "NATPV64" },
"c3.large" : { "Arch" : "NATHVM64" },
"c3.xlarge" : { "Arch" : "NATHVM64" },
"c3.2xlarge" : { "Arch" : "NATHVM64" },
"c3.4xlarge" : { "Arch" : "NATHVM64" },
"c3.8xlarge" : { "Arch" : "NATHVM64" },
"c4.large" : { "Arch" : "NATHVM64" },
"c4.xlarge" : { "Arch" : "NATHVM64" },
"c4.2xlarge" : { "Arch" : "NATHVM64" },
"c4.4xlarge" : { "Arch" : "NATHVM64" },
"c4.8xlarge" : { "Arch" : "NATHVM64" },
"g2.2xlarge" : { "Arch" : "NATHVMG2" },
"g2.8xlarge" : { "Arch" : "NATHVMG2" },
"r3.large" : { "Arch" : "NATHVM64" },
"r3.xlarge" : { "Arch" : "NATHVM64" },
"r3.2xlarge" : { "Arch" : "NATHVM64" },
"r3.4xlarge" : { "Arch" : "NATHVM64" },
"r3.8xlarge" : { "Arch" : "NATHVM64" },
"i2.xlarge" : { "Arch" : "NATHVM64" },
"i2.2xlarge" : { "Arch" : "NATHVM64" },
"i2.4xlarge" : { "Arch" : "NATHVM64" },
"i2.8xlarge" : { "Arch" : "NATHVM64" },
"d2.xlarge" : { "Arch" : "NATHVM64" },
"d2.2xlarge" : { "Arch" : "NATHVM64" },
"d2.4xlarge" : { "Arch" : "NATHVM64" },
"d2.8xlarge" : { "Arch" : "NATHVM64" },
"hi1.4xlarge" : { "Arch" : "NATHVM64" },
"hs1.8xlarge" : { "Arch" : "NATHVM64" },
"cr1.8xlarge" : { "Arch" : "NATHVM64" },
"cc2.8xlarge" : { "Arch" : "NATHVM64" }
},
"AWSRegionArch2AMI" : {
"us-east-1" : {"PV64" : "ami-2a69aa47", "HVM64" : "ami-6869aa05", "HVMG2" : "ami-22b68b59"},
"us-west-2" : {"PV64" : "ami-7f77b31f", "HVM64" : "ami-7172b611", "HVMG2" : "ami-be4ea3c6"},
"us-west-1" : {"PV64" : "ami-a2490dc2", "HVM64" : "ami-31490d51", "HVMG2" : "ami-cfe5cfaf"},
"eu-west-1" : {"PV64" : "ami-4cdd453f", "HVM64" : "ami-f9dd458a", "HVMG2" : "ami-aedb26d7"},
"eu-west-2" : {"PV64" : "NOT_SUPPORTED", "HVM64" : "ami-886369ec", "HVMG2" : "NOT_SUPPORTED"},
"eu-central-1" : {"PV64" : "ami-6527cf0a", "HVM64" : "ami-ea26ce85", "HVMG2" : "ami-40b8102f"},
"ap-northeast-1" : {"PV64" : "ami-3e42b65f", "HVM64" : "ami-374db956", "HVMG2" : "ami-d95aabbf"},
"ap-northeast-2" : {"PV64" : "NOT_SUPPORTED", "HVM64" : "ami-2b408b45", "HVMG2" : "NOT_SUPPORTED"},
"ap-southeast-1" : {"PV64" : "ami-df9e4cbc", "HVM64" : "ami-a59b49c6", "HVMG2" : "ami-15660276"},
"ap-southeast-2" : {"PV64" : "ami-63351d00", "HVM64" : "ami-dc361ebf", "HVMG2" : "ami-0b5a4168"},
"ap-south-1" : {"PV64" : "NOT_SUPPORTED", "HVM64" : "ami-ffbdd790", "HVMG2" : "ami-f4cdb79b"},
"us-east-2" : {"PV64" : "NOT_SUPPORTED", "HVM64" : "ami-f6035893", "HVMG2" : "NOT_SUPPORTED"},
"ca-central-1" : {"PV64" : "NOT_SUPPORTED", "HVM64" : "ami-730ebd17", "HVMG2" : "NOT_SUPPORTED"},
"sa-east-1" : {"PV64" : "ami-1ad34676", "HVM64" : "ami-6dd04501", "HVMG2" : "NOT_SUPPORTED"},
"cn-north-1" : {"PV64" : "ami-77559f1a", "HVM64" : "ami-8e6aa0e3", "HVMG2" : "NOT_SUPPORTED"}
}
},
"Resources" : {
"NotificationTopic": {
"Type": "AWS::SNS::Topic",
"Properties": {
"Subscription": [ { "Endpoint": { "Ref": "OperatorEMail" }, "Protocol": "email" } ]
}
},
"WebServerGroup" : {
"Type" : "AWS::AutoScaling::AutoScalingGroup",
"Properties" : {
"VPCZoneIdentifier" : { "Ref" : "Subnets" },
"LaunchConfigurationName" : { "Ref" : "LaunchConfig" },
"MinSize" : "1",
"MaxSize" : "3",
"TargetGroupARNs" : [ { "Ref" : "ALBTargetGroup" } ],
"NotificationConfiguration" : {
"TopicARN" : { "Ref" : "NotificationTopic" },
"NotificationTypes" : [ "autoscaling:EC2_INSTANCE_LAUNCH",
"autoscaling:EC2_INSTANCE_LAUNCH_ERROR",
"autoscaling:EC2_INSTANCE_TERMINATE",
"autoscaling:EC2_INSTANCE_TERMINATE_ERROR"]
}
},
"CreationPolicy" : {
"ResourceSignal" : {
"Timeout" : "PT5M",
"Count" : "1"
}
},
"UpdatePolicy": {
"AutoScalingRollingUpdate": {
"MinInstancesInService": "1",
"MaxBatchSize": "1",
"PauseTime" : "PT5M",
"WaitOnResourceSignals": "true"
}
}
},
"LaunchConfig" : {
"Type" : "AWS::AutoScaling::LaunchConfiguration",
"Metadata" : {
"Comment" : "Install a simple application",
"AWS::CloudFormation::Init" : {
"config" : {
"packages" : {
"yum" : {
"httpd" : []
}
},
"files" : {
"/var/www/html/index.html" : {
"content" : { "Fn::Join" : ["\n", [
"<img src=\"", {"Fn::FindInMap" : ["Region2Examples", {"Ref" : "AWS::Region"}, "Examples"]}, "/cloudformation_graphic.png\" alt=\"AWS CloudFormation Logo\"/>",
"<h1>Congratulations, you have successfully launched the AWS CloudFormation sample.</h1>"
]]},
"mode" : "000644",
"owner" : "root",
"group" : "root"
},
"/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 ",
" --region ", { "Ref" : "AWS::Region" }, "\n",
"runas=root\n"
]]},
"mode" : "000400",
"owner" : "root",
"group" : "root"
}
},
"services" : {
"sysvinit" : {
"httpd" : { "enabled" : "true", "ensureRunning" : "true" },
"cfn-hup" : { "enabled" : "true", "ensureRunning" : "true",
"files" : ["/etc/cfn/cfn-hup.conf", "/etc/cfn/hooks.d/cfn-auto-reloader.conf"]}
}
}
}
}
},
"Properties" : {
"KeyName" : { "Ref" : "KeyName" },
"ImageId" : { "Fn::FindInMap" : [ "AWSRegionArch2AMI", { "Ref" : "AWS::Region" },
{ "Fn::FindInMap" : [ "AWSInstanceType2Arch", { "Ref" : "InstanceType" }, "Arch" ] } ] },
"SecurityGroups" : [ { "Ref" : "InstanceSecurityGroup" } ],
"InstanceType" : { "Ref" : "InstanceType" },
"UserData" : { "Fn::Base64" : { "Fn::Join" : ["", [
"#!/bin/bash -xe\n",
"yum update -y aws-cfn-bootstrap >> /var/log/cf-bootstrap.log\n",
"yum update -y aws-cli > /var/log/cf-aws-cli-update.log\n",
"/opt/aws/bin/cfn-init -v ",
" --stack ", { "Ref" : "AWS::StackName" },
" --resource LaunchConfig ",
" --region ", { "Ref" : "AWS::Region" }, " > /var/log/cf-init-log\n",
"/opt/aws/bin/cfn-signal -e $? ",
" --stack ", { "Ref" : "AWS::StackName" },
" --resource WebServerGroup ",
" --region ", { "Ref" : "AWS::Region" }, " > /var/log/cfn-signal-log\n"
]]}}
}
},
"WebServerScaleUpPolicy" : {
"Type" : "AWS::AutoScaling::ScalingPolicy",
"Properties" : {
"AdjustmentType" : "ChangeInCapacity",
"AutoScalingGroupName" : { "Ref" : "WebServerGroup" },
"Cooldown" : "60",
"ScalingAdjustment" : "1"
}
},
"WebServerScaleDownPolicy" : {
"Type" : "AWS::AutoScaling::ScalingPolicy",
"Properties" : {
"AdjustmentType" : "ChangeInCapacity",
"AutoScalingGroupName" : { "Ref" : "WebServerGroup" },
"Cooldown" : "60",
"ScalingAdjustment" : "-1"
}
},
"CPUAlarmHigh": {
"Type": "AWS::CloudWatch::Alarm",
"Properties": {
"AlarmDescription": "Scale-up if CPU > 90% for 10 minutes",
"MetricName": "CPUUtilization",
"Namespace": "AWS/EC2",
"Statistic": "Average",
"Period": "300",
"EvaluationPeriods": "2",
"Threshold": "90",
"AlarmActions": [ { "Ref": "WebServerScaleUpPolicy" } ],
"Dimensions": [
{
"Name": "AutoScalingGroupName",
"Value": { "Ref": "WebServerGroup" }
}
],
"ComparisonOperator": "GreaterThanThreshold"
}
},
"CPUAlarmLow": {
"Type": "AWS::CloudWatch::Alarm",
"Properties": {
"AlarmDescription": "Scale-down if CPU < 70% for 10 minutes",
"MetricName": "CPUUtilization",
"Namespace": "AWS/EC2",
"Statistic": "Average",
"Period": "300",
"EvaluationPeriods": "2",
"Threshold": "70",
"AlarmActions": [ { "Ref": "WebServerScaleDownPolicy" } ],
"Dimensions": [
{
"Name": "AutoScalingGroupName",
"Value": { "Ref": "WebServerGroup" }
}
],
"ComparisonOperator": "LessThanThreshold"
}
},
"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" : 30,
"HealthCheckTimeoutSeconds" : 5,
"HealthyThresholdCount" : 3,
"Port" : 80,
"Protocol" : "HTTP",
"UnhealthyThresholdCount" : 5,
"VpcId" : {"Ref" : "VpcId"}
}
},
"InstanceSecurityGroup" : {
"Type" : "AWS::EC2::SecurityGroup",
"Properties" : {
"GroupDescription" : "Enable SSH access and HTTP from the load balancer only",
"SecurityGroupIngress" : [ {
"IpProtocol" : "tcp",
"FromPort" : "22",
"ToPort" : "22",
"CidrIp" : { "Ref" : "SSHLocation"}
},
{
"IpProtocol" : "tcp",
"FromPort" : "80",
"ToPort" : "80",
"SourceSecurityGroupId" : {"Fn::Select" : [0, {"Fn::GetAtt" : ["ApplicationLoadBalancer", "SecurityGroups"]}]}
} ],
"VpcId" : { "Ref" : "VpcId" }
}
}
},
"Outputs" : {
"URL" : {
"Description" : "The URL of the website",
"Value" : { "Fn::Join" : [ "", [ "http://", { "Fn::GetAtt" : [
"ApplicationLoadBalancer", "DNSName" ]}]]}
}
}
}
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