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AWS CloudFormation template for ECS AutoScaling Group
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{ | |
"AWSTemplateFormatVersion": "2010-09-09", | |
"Description": "Template for a VPC with High Availability NAT for ECS", | |
"Parameters": { | |
"ClusterName": { | |
"Description": "The ECS Cluster Name", | |
"Type": "String" | |
}, | |
"InstanceType": { | |
"Description": "NAT instance type", | |
"Type": "String", | |
"Default": "t2.medium", | |
"AllowedValues": [ | |
"t2.medium", | |
"m3.medium", | |
"m3.large", | |
"c3.large" | |
], | |
"ConstraintDescription": "must be a valid EC2 instance type." | |
}, | |
"VPC": { | |
"Description": "The VPC for this cluster", | |
"Type": "AWS::EC2::VPC::Id" | |
}, | |
"Subnets": { | |
"Description": "List of subnets for the ECS Instances", | |
"Type": "List<AWS::EC2::Subnet::Id>" | |
}, | |
"DockerHubAuth": { | |
"Description": "Authentication string for Docker Hub", | |
"Type": "String", | |
"NoEcho": "true" | |
}, | |
"DockerHubEmail": { | |
"Description": "E-Mail for Docker Hub Account", | |
"Type": "String", | |
"NoEcho": "true" | |
}, | |
"KeyName": { | |
"Description": "The SSH Key for the cluster nodes", | |
"Type": "AWS::EC2::KeyPair::KeyName" | |
} | |
}, | |
"Mappings": { | |
"InstanceAMI": { | |
"us-east-1": { | |
"AMI": "ami-5f59ac34" | |
}, | |
"us-west-2": { | |
"AMI": "ami-c188b0f1" | |
}, | |
"eu-west-1": { | |
"AMI": "ami-3db4ca4a" | |
} | |
}, | |
"CIDRs": { | |
"VPC": { | |
"Value": "10.1.0.0/16" | |
}, | |
"PubNet1": { | |
"Value": "10.1.10.0/24" | |
}, | |
"PubNet2": { | |
"Value": "10.1.11.0/24" | |
}, | |
"PubNet3": { | |
"Value": "10.1.12.0/24" | |
}, | |
"PrivNet1": { | |
"Value": "10.1.20.0/24" | |
}, | |
"PrivNet2": { | |
"Value": "10.1.21.0/24" | |
}, | |
"PrivNet3": { | |
"Value": "10.1.22.0/24" | |
} | |
} | |
}, | |
"Conditions": { | |
"DockerAuth": { | |
"Fn::Or": [ | |
{ | |
"Fn::Not": { | |
"Fn::Equals": [ | |
{ | |
"Ref": "DockerHubAuth" | |
}, | |
"" | |
] | |
} | |
}, | |
{ | |
"Fn::Not": { | |
"Fn::Equals": [ | |
{ | |
"Ref": "DockerHubEmail" | |
}, | |
"" | |
] | |
} | |
} | |
] | |
} | |
}, | |
"Resources": { | |
"ECSAutoScalingGroup": { | |
"Type": "AWS::AutoScaling::AutoScalingGroup", | |
"Properties": { | |
"AvailabilityZones": { | |
"Fn::GetAZs": { | |
"Ref": "AWS::Region" | |
} | |
}, | |
"Cooldown": "30", | |
"DesiredCapacity": "0", | |
"MinSize": "0", | |
"MaxSize": "10", | |
"HealthCheckGracePeriod": "50", | |
"HealthCheckType": "EC2", | |
"LaunchConfigurationName": { | |
"Ref": "ECSLaunchConfiguration" | |
}, | |
"MetricsCollection": [ | |
{ | |
"Granularity": "1Minute" | |
} | |
], | |
"VPCZoneIdentifier": { | |
"Ref": "Subnets" | |
}, | |
"Tags": [ | |
{ | |
"PropagateAtLaunch": "true", | |
"Key": "Name", | |
"Value": { | |
"Fn::Join": [ | |
"-", | |
[ | |
{ | |
"Ref": "ClusterName" | |
}, | |
"Node" | |
] | |
] | |
} | |
}, | |
{ | |
"PropagateAtLaunch": "true", | |
"Key": "ECS_Cluster", | |
"Value": { | |
"Ref": "ClusterName" | |
} | |
} | |
] | |
} | |
}, | |
"ECSLaunchConfiguration": { | |
"Type": "AWS::AutoScaling::LaunchConfiguration", | |
"Properties": { | |
"AssociatePublicIpAddress": "false", | |
"EbsOptimized": "false", | |
"IamInstanceProfile": { | |
"Ref": "IAMInstanceProfile" | |
}, | |
"ImageId": { | |
"Fn::FindInMap": [ | |
"InstanceAMI", | |
{ | |
"Ref": "AWS::Region" | |
}, | |
"AMI" | |
] | |
}, | |
"KeyName": { | |
"Ref": "KeyName" | |
}, | |
"InstanceMonitoring": "true", | |
"InstanceType": { | |
"Ref": "InstanceType" | |
}, | |
"SecurityGroups": [ | |
{ | |
"Ref": "SecurityGroup" | |
} | |
], | |
"UserData": { | |
"Fn::Base64": { | |
"Fn::Join": [ | |
"", | |
[ | |
"#!/bin/bash -v\n", | |
"yum update -y\n", | |
"echo 'ECS_CLUSTER=", | |
{ | |
"Ref": "ClusterName" | |
}, | |
"' > /etc/ecs/ecs.config\n", | |
{ | |
"Fn::If": [ | |
"DockerAuth", | |
"echo 'ECS_ENGINE_AUTH_TYPE=dockercfg' >> /etc/ecs/ecs.config\n", | |
"" | |
] | |
}, | |
{ | |
"Fn::If": [ | |
"DockerAuth", | |
{ | |
"Fn::Join": [ | |
"", | |
"echo 'ECS_ENGINE_AUTH_DATA={\"https://index.docker.io/v1/\": {\"auth\": \"", | |
{ | |
"Ref": "DockerHubAuth" | |
}, | |
"\", \"email\": \"", | |
{ | |
"Ref": "DockerHubEmail" | |
}, | |
"\"}}' >> /etc/ecs/ecs.config\n" | |
] | |
}, | |
"" | |
] | |
} | |
] | |
] | |
} | |
} | |
} | |
}, | |
"SecurityGroup": { | |
"Type": "AWS::EC2::SecurityGroup", | |
"Properties": { | |
"GroupDescription": "Security Group for the NAT Instance", | |
"VpcId": { | |
"Ref": "VPC" | |
}, | |
"SecurityGroupIngress": [ | |
{ | |
"CidrIp": { | |
"Fn::FindInMap": [ | |
"CIDRs", | |
"VPC", | |
"Value" | |
] | |
}, | |
"IpProtocol": "-1", | |
"FromPort": "-1", | |
"ToPort": "-1" | |
} | |
], | |
"Tags": [ | |
{ | |
"Key": "Name", | |
"Value": { | |
"Fn::Join": [ | |
"-", | |
[ | |
{ | |
"Ref": "ClusterName" | |
}, | |
"Nodes", | |
"SG" | |
] | |
] | |
} | |
}, | |
{ | |
"Key": "Role", | |
"Value": "ECSNode" | |
} | |
] | |
} | |
}, | |
"IAMRole": { | |
"Type": "AWS::IAM::Role", | |
"Properties": { | |
"AssumeRolePolicyDocument": { | |
"Statement": [ | |
{ | |
"Effect": "Allow", | |
"Principal": { | |
"Service": [ | |
"ec2.amazonaws.com" | |
] | |
}, | |
"Action": [ | |
"sts:AssumeRole" | |
] | |
} | |
] | |
}, | |
"Path": "/", | |
"Policies": [ | |
{ | |
"PolicyName": { | |
"Fn::Join": [ | |
"-", | |
[ | |
{ | |
"Ref": "AWS::StackName" | |
}, | |
"ecs", | |
"nodes", | |
"role" | |
] | |
] | |
}, | |
"PolicyDocument": { | |
"Statement": [ | |
{ | |
"Effect": "Allow", | |
"Action": [ | |
"ecs:CreateCluster", | |
"ecs:DeregisterContainerInstance", | |
"ecs:DiscoverPollEndpoint", | |
"ecs:Poll", | |
"ecs:RegisterContainerInstance", | |
"ecs:Submit*", | |
"elasticloadbalancing:Describe*", | |
"elasticloadbalancing:DeregisterInstancesFromLoadBalancer", | |
"elasticloadbalancing:RegisterInstancesWithLoadBalancer", | |
"ec2:Describe*", | |
"ec2:AuthorizeSecurityGroupIngress" | |
], | |
"Resource": [ | |
"*" | |
] | |
} | |
] | |
} | |
} | |
] | |
} | |
}, | |
"IAMInstanceProfile": { | |
"Type": "AWS::IAM::InstanceProfile", | |
"Properties": { | |
"Path": "/", | |
"Roles": [ | |
{ | |
"Ref": "IAMRole" | |
} | |
] | |
} | |
} | |
} | |
} |
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