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Example cloudformation template for auto scaling deploys
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{ | |
"AWSTemplateFormatVersion": "2010-09-09", | |
"Description": "Auto scaling deploy example", | |
"Parameters": { | |
"AvailabilityZone": { | |
"Type": "String", | |
"Default": "us-west-1a" | |
}, | |
"ImageId": { | |
"Type": "String" | |
} | |
}, | |
"Resources": { | |
"VPC": { | |
"Type": "AWS::EC2::VPC", | |
"Properties": { | |
"CidrBlock": "10.0.0.0/16", | |
"EnableDnsSupport": true, | |
"EnableDnsHostnames": true | |
} | |
}, | |
"InternetGateway": { | |
"Type": "AWS::EC2::InternetGateway", | |
"Properties": {} | |
}, | |
"VPCGatewayAttachment": { | |
"Type": "AWS::EC2::VPCGatewayAttachment", | |
"Properties": { | |
"InternetGatewayId": { | |
"Ref": "InternetGateway" | |
}, | |
"VpcId": { | |
"Ref": "VPC" | |
} | |
} | |
}, | |
"PublicSubnet": { | |
"Type": "AWS::EC2::Subnet", | |
"Properties": { | |
"AvailabilityZone": { | |
"Ref": "AvailabilityZone" | |
}, | |
"CidrBlock": "10.0.0.0/24", | |
"VpcId": { | |
"Ref": "VPC" | |
}, | |
"Tags": [ | |
{ | |
"Key": "Name", | |
"Value": "Public" | |
} | |
] | |
} | |
}, | |
"PublicRouteTable": { | |
"Type": "AWS::EC2::RouteTable", | |
"Properties": { | |
"VpcId": { | |
"Ref": "VPC" | |
}, | |
"Tags": [ | |
{ | |
"Key": "Name", | |
"Value": "Public" | |
} | |
] | |
} | |
}, | |
"OutboundConnectionRoute": { | |
"Type": "AWS::EC2::Route", | |
"Properties": { | |
"DestinationCidrBlock": "0.0.0.0/0", | |
"GatewayId": { | |
"Ref": "InternetGateway" | |
}, | |
"RouteTableId": { | |
"Ref": "PublicRouteTable" | |
} | |
} | |
}, | |
"PublicSubnetRouteTableAssociation": { | |
"Type": "AWS::EC2::SubnetRouteTableAssociation", | |
"Properties": { | |
"RouteTableId": { | |
"Ref": "PublicRouteTable" | |
}, | |
"SubnetId": { | |
"Ref": "PublicSubnet" | |
} | |
} | |
}, | |
"WebServerSG": { | |
"Type": "AWS::EC2::SecurityGroup", | |
"Properties": { | |
"VpcId": { | |
"Ref": "VPC" | |
}, | |
"GroupDescription": "Allows inbound http traffic", | |
"SecurityGroupIngress": [ | |
{ | |
"CidrIp": "0.0.0.0/0", | |
"FromPort": 80, | |
"IpProtocol": "tcp", | |
"ToPort": 80 | |
} | |
], | |
"Tags": [ | |
{ | |
"Key": "Name", | |
"Value": "http" | |
} | |
] | |
} | |
}, | |
"LoadBalancer": { | |
"Type": "AWS::ElasticLoadBalancing::LoadBalancer", | |
"Properties": { | |
"LoadBalancerName": "LoadBalancer", | |
"Listeners": [ | |
{ | |
"InstancePort": 80, | |
"InstanceProtocol": "HTTP", | |
"LoadBalancerPort": 80, | |
"Protocol": "HTTP" | |
} | |
], | |
"Scheme": "internet-facing", | |
"SecurityGroups": [ | |
{ | |
"Ref": "WebServerSG" | |
} | |
], | |
"Subnets": [ | |
{ | |
"Ref": "PublicSubnet" | |
} | |
] | |
} | |
}, | |
"AppLaunchConfiguration": { | |
"Type": "AWS::AutoScaling::LaunchConfiguration", | |
"Properties": { | |
"AssociatePublicIpAddress": true, | |
"ImageId": { | |
"Ref": "ImageId" | |
}, | |
"InstanceType": "t2.micro", | |
"SecurityGroups": [] | |
}, | |
"DependsOn": "VPCGatewayAttachment" | |
}, | |
"AppASG": { | |
"Type": "AWS::AutoScaling::AutoScalingGroup", | |
"Properties": { | |
"AvailabilityZones": [ | |
{ | |
"Ref": "AvailabilityZone" | |
} | |
], | |
"DesiredCapacity": 1, | |
"LaunchConfigurationName": { | |
"Ref": "AppLaunchConfiguration" | |
}, | |
"LoadBalancerNames": [ | |
{ | |
"Ref": "LoadBalancer" | |
} | |
], | |
"MaxSize": 2, | |
"MinSize": 1, | |
"VPCZoneIdentifier": [ | |
{ | |
"Ref": "PublicSubnet" | |
} | |
] | |
}, | |
"UpdatePolicy": { | |
"AutoScalingRollingUpdate": { | |
"MinInstancesInService": 1 | |
} | |
} | |
} | |
} | |
} |
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