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template.json
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template.json
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{
"Description": "Drone Continuous Integration (drone.io)",
"Parameters": {
"VPC": {
"Type": "AWS::EC2::VPC::Id",
"Description": "The VPC that needs provisioning"
},
"Subnets": {
"Type": "List<AWS::EC2::Subnet::Id>",
"Description": "The subnets that the load balancer will cover"
},
"KeyName": {
"Type": "AWS::EC2::KeyPair::KeyName",
"Description": "Name of an AWS keypair to use on instances"
},
"CertificateArn": {
"Type": "String"
},
"DroneRemoteConfig": {
"Type": "String",
"Description": "The remote config value for Drone",
"NoEcho": true
},
"DroneRemoteDriver": {
"Type": "String",
"Description": "The remote driver value for Drone"
},
"DroneMemoryAllocation": {
"Type": "Number",
"Description": "The amount of memory to allocate to the Drone container",
"Default": 1024
},
"DroneCpuUnits": {
"Type": "Number",
"Description": "How many CPU units to allocate to the Drone container",
"Default": 512
},
"DroneInstanceType": {
"Type": "String",
"Description": "The EC2 instance type to build",
"Default": "m4.large"
},
"IncomingHttpCidr": {
"Type": "String",
"Description": "A CIDR range to restrict incoming HTTP to the load balancer",
"Default": "0.0.0.0/0"
}
},
"Mappings" : {
"AWSRegionToAMI" : {
"us-east-1": {"AMIID": "ami-cb2305a1"},
"us-west-1": {"AMIID": "ami-bdafdbdd"},
"us-west-2": {"AMIID": "ami-ec75908c"},
"eu-west-1": {"AMIID": "ami-13f84d60"},
"ap-northeast-1": {"AMIID": "ami-e9724c87"},
"ap-southeast-2": {"AMIID": "ami-5f31fd3c"},
"ap-southeast-1": {"AMIID": "ami-83af8ae0"},
"eu-central-1": {"AMIID": "ami-c3253caf"}
}
},
"Resources": {
"Cluster": {
"Type": "AWS::ECS::Cluster"
},
"TaskDefinition": {
"Type": "AWS::ECS::TaskDefinition",
"Properties": {
"ContainerDefinitions": [{
"Name": "Drone",
"Essential": true,
"Image": "drone/drone",
"Memory": {"Ref": "DroneMemoryAllocation"},
"Cpu": {"Ref": "DroneCpuUnits"},
"PortMappings": [{
"HostPort": 80,
"ContainerPort": 8000
}],
"MountPoints": [
{
"ContainerPath": "/var/lib/drone",
"SourceVolume": "drone-volume"
},
{
"ContainerPath": "/var/run/docker.sock",
"SourceVolume": "docker-socket"
}
],
"Environment": [
{"Name": "REMOTE_CONFIG", "Value": {"Ref": "DroneRemoteConfig"}},
{"Name": "REMOTE_DRIVER", "Value": {"Ref": "DroneRemoteDriver"}}
]
}],
"Volumes": [
{
"Name": "drone-volume",
"Host": {
"SourcePath": "/var/lib/drone"
}
},
{
"Name": "docker-socket",
"Host": {
"SourcePath": "/var/run/docker.sock"
}
}
]
}
},
"LoadBalancerSecurityGroup": {
"Type" : "AWS::EC2::SecurityGroup",
"Properties" : {
"GroupDescription": "Security associated to the Drone load balancer",
"VpcId": {"Ref": "VPC"},
"SecurityGroupIngress": [
{
"FromPort": 443,
"ToPort": 443,
"IpProtocol": "tcp",
"CidrIp": {"Ref": "IncomingHttpCidr"}
}
],
"Tags": [
{"Key": "Name", "Value":{ "Fn::Join" : [ "", [{ "Ref": "AWS::StackName" }, "-LoadBalancerSG"]]} }
]
}
},
"InstanceSecurityGroup": {
"Type" : "AWS::EC2::SecurityGroup",
"Properties" : {
"GroupDescription": "Only allow traffic via the Drone load balancer",
"SecurityGroupIngress": [
{
"FromPort": 80,
"IpProtocol": "tcp",
"SourceSecurityGroupId": {"Ref": "LoadBalancerSecurityGroup"},
"ToPort": 80
}
],
"VpcId": {"Ref": "VPC"},
"Tags": [
{"Key": "Name", "Value": { "Fn::Join" : [ "", [{ "Ref": "AWS::StackName" }, "-InstanceSG"]]} }
]
}
},
"InstanceRole": {
"Type": "AWS::IAM::Role",
"Properties": {
"AssumeRolePolicyDocument": {
"Statement": [
{
"Effect": "Allow",
"Principal": {
"Service": ["ec2.amazonaws.com"]
},
"Action": ["sts:AssumeRole"]
}
]
},
"Path": "/",
"Policies": [
{
"PolicyName": "droneci-ecs-instance-role",
"PolicyDocument": {
"Version": "2012-10-17",
"Statement": [
{
"Effect": "Allow",
"Action": [
"ecs:CreateCluster",
"ecs:DeregisterContainerInstance",
"ecs:DiscoverPollEndpoint",
"ecs:Poll",
"ecs:RegisterContainerInstance",
"ecs:StartTelemetrySession",
"ecs:Submit*",
"ecr:GetAuthorizationToken",
"ecr:BatchCheckLayerAvailability",
"ecr:GetDownloadUrlForLayer",
"ecr:BatchGetImage",
"logs:CreateLogStream",
"logs:PutLogEvents"
],
"Resource": "*"
}
]
}
}
]
}
},
"ServiceRole": {
"Type": "AWS::IAM::Role",
"Properties": {
"AssumeRolePolicyDocument": {
"Statement": [{
"Effect": "Allow",
"Principal": {
"Service": ["ecs.amazonaws.com"]
},
"Action": ["sts:AssumeRole"]
}]
},
"Path": "/",
"Policies": [
{
"PolicyName": "droneci-ecs-service-role",
"PolicyDocument": {
"Version": "2012-10-17",
"Statement": [{
"Effect": "Allow",
"Action": [
"ec2:AuthorizeSecurityGroupIngress",
"ec2:Describe*",
"elasticloadbalancing:DeregisterInstancesFromLoadBalancer",
"elasticloadbalancing:DeregisterTargets",
"elasticloadbalancing:Describe*",
"elasticloadbalancing:RegisterInstancesWithLoadBalancer",
"elasticloadbalancing:RegisterTargets"
],
"Resource": "*"
}]
}
}
]
}
},
"InstanceProfile": {
"Type": "AWS::IAM::InstanceProfile",
"Properties": {
"Path": "/",
"Roles": [{"Ref": "InstanceRole"}]
}
},
"LoadBalancerTargetGroup" : {
"Type" : "AWS::ElasticLoadBalancingV2::TargetGroup",
"Properties" : {
"HealthCheckIntervalSeconds" : "30",
"HealthCheckPath" : "/login",
"HealthCheckPort" : "traffic-port",
"HealthCheckProtocol" : "HTTP",
"HealthCheckTimeoutSeconds" : "5",
"HealthyThresholdCount" : "5",
"Matcher" : { "HttpCode" : "200" },
"Name" : { "Fn::Join" : [ "", [{ "Ref": "AWS::StackName" }, "-ALBTargetGroup"]]},
"Port" : "80",
"Protocol" : "HTTP",
"Tags" : [
{"Key": "Name", "Value": { "Fn::Join" : [ "", [{ "Ref": "AWS::StackName" }, "-ALBTargetGroup"]]} }
],
"TargetGroupAttributes" : [
{ "Key" : "deregistration_delay.timeout_seconds", "Value" : "300" },
{ "Key" : "stickiness.enabled", "Value" : "false" },
{ "Key" : "stickiness.type", "Value" : "lb_cookie" },
{ "Key" : "stickiness.lb_cookie.duration_seconds", "Value" : "86400" }
],
"UnhealthyThresholdCount" : "2",
"VpcId" : { "Ref": "VPC" }
}
},
"LoadBalancer" : {
"Type" : "AWS::ElasticLoadBalancingV2::LoadBalancer",
"Properties" : {
"Subnets" : { "Ref": "Subnets" },
"LoadBalancerAttributes" : [
{ "Key" : "access_logs.s3.enabled", "Value" : "false" },
{ "Key" : "deletion_protection.enabled", "Value" : "false" },
{ "Key" : "idle_timeout.timeout_seconds", "Value" : "60" }
],
"SecurityGroups" : [
{ "Ref": "LoadBalancerSecurityGroup" }
],
"Scheme" : "internet-facing",
"Name" : { "Fn::Join" : [ "", [{ "Ref": "AWS::StackName" }, "-ALB"]]},
"Tags" : [
{"Key": "Name", "Value": { "Fn::Join" : [ "", [{ "Ref": "AWS::StackName" }, "-ALB"]]} }
]
}
},
"LoadBalancerSSLListener" : {
"Type" : "AWS::ElasticLoadBalancingV2::Listener",
"Properties" : {
"DefaultActions" : [{
"TargetGroupArn" : { "Ref" : "LoadBalancerTargetGroup" },
"Type" : "forward"
}],
"Certificates": [{ "CertificateArn" : { "Ref" : "CertificateArn" } }],
"LoadBalancerArn" : { "Ref" : "LoadBalancer" },
"Port" : "443",
"Protocol" : "HTTPS"
}
},
"LaunchConfiguration": {
"Type": "AWS::AutoScaling::LaunchConfiguration",
"Metadata": {
"AWS::CloudFormation::Init": {
"config": {
"commands" : {
"01_add_instance_to_cluster" : {
"command": {"Fn::Join": ["", [
"#!/bin/bash\n",
"echo ECS_CLUSTER=", {"Ref": "Cluster"}, " >> /etc/ecs/ecs.config"
]]}
}
},
"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.LaunchConfiguration.Metadata.AWS::CloudFormation::Init\n",
"action=/opt/aws/bin/cfn-init -v ",
" --stack ", {"Ref": "AWS::StackName"},
" --resource LaunchConfiguration ",
" --region ", {"Ref": "AWS::Region"}, "\n",
"runas=root\n"
]]}
}
},
"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,
"IamInstanceProfile": {"Ref": "InstanceProfile"},
"ImageId": {"Fn::FindInMap": ["AWSRegionToAMI", {"Ref" : "AWS::Region"}, "AMIID"]},
"InstanceType": {"Ref": "DroneInstanceType"},
"KeyName": {"Ref": "KeyName"},
"SecurityGroups": [
{"Ref": "InstanceSecurityGroup"}
],
"UserData": {"Fn::Base64": {"Fn::Join": ["", [
"#!/bin/bash -xe\n",
"yum install -y aws-cfn-bootstrap\n",
"/opt/aws/bin/cfn-init -v ",
" --stack ", { "Ref" : "AWS::StackName" },
" --resource LaunchConfiguration ",
" --region ", { "Ref" : "AWS::Region" }, "\n",
"/opt/aws/bin/cfn-signal -e $? ",
" --stack ", { "Ref" : "AWS::StackName" },
" --resource AutoScalingGroup ",
" --region ", { "Ref" : "AWS::Region" }, "\n"
]]}}
}
},
"AutoScalingGroup": {
"Type": "AWS::AutoScaling::AutoScalingGroup",
"Properties": {
"DesiredCapacity": "1",
"MaxSize": "1",
"MinSize": "1",
"HealthCheckType": "EC2",
"LaunchConfigurationName": {"Ref": "LaunchConfiguration"},
"VPCZoneIdentifier": {"Ref": "Subnets"},
"Tags": [
{"Key": "Name", "Value": { "Ref": "AWS::StackName" }, "PropagateAtLaunch": true}
]
}
},
"Service": {
"Type": "AWS::ECS::Service",
"DependsOn": ["AutoScalingGroup"],
"Properties": {
"Cluster": {"Ref": "Cluster"},
"DesiredCount": 1,
"LoadBalancers": [{
"ContainerName": "Drone",
"ContainerPort": "8000",
"TargetGroupArn" : { "Ref" : "LoadBalancerTargetGroup" }
}],
"Role": {"Ref": "ServiceRole"},
"TaskDefinition": {"Ref": "TaskDefinition"}
}
}
},
"Outputs": {
"OAuthEndpoint": {
"Value": {"Fn::Join": ["", [
"https://", {"Fn::GetAtt": ["LoadBalancer", "DNSName"]}, "/authorize"
]]}
}
}
}