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cloudformation.yaml
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AWSTemplateFormatVersion: '2010-09-09'
Parameters:
Tag:
Type: String
Default: latest
KeyName:
Type: AWS::EC2::KeyPair::KeyName
Description: Name of an existing EC2 KeyPair to enable SSH access to the ECS instances.
VpcId:
Type: AWS::EC2::VPC::Id
Description: Select a VPC that allows instances access to the Internet.
SubnetID:
Type: List<AWS::EC2::Subnet::Id>
Description: Select at two subnets in your selected VPC.
DesiredCapacity:
Type: Number
Default: '1'
Description: Number of instances to launch in your ECS cluster.
MaxSize:
Type: Number
Default: '1'
Description: Maximum number of instances that can be launched in your ECS cluster.
InstanceType:
Description: EC2 instance type
Type: String
Default: t2.micro
AllowedValues: [t2.micro, t2.small, t2.medium, t2.large, m3.medium, m3.large,
m3.xlarge, m3.2xlarge, m4.large, m4.xlarge, m4.2xlarge, m4.4xlarge, m4.10xlarge,
c4.large, c4.xlarge, c4.2xlarge, c4.4xlarge, c4.8xlarge, c3.large, c3.xlarge,
c3.2xlarge, c3.4xlarge, c3.8xlarge, r3.large, r3.xlarge, r3.2xlarge, r3.4xlarge,
r3.8xlarge, i2.xlarge, i2.2xlarge, i2.4xlarge, i2.8xlarge]
ConstraintDescription: Please choose a valid instance type.
Mappings:
AWSRegionToAMI:
us-east-1:
AMIID: ami-b2df2ca4 # amzn-ami-2016.09.f-amazon-ecs-optimized
us-east-2:
AMIID: ami-446f3521
us-west-1:
AMIID: ami-9fadf8ff
us-west-2:
AMIID: ami-7abc111a
eu-west-1:
AMIID: ami-a1491ad2
eu-central-1:
AMIID: ami-54f5303b
ap-northeast-1:
AMIID: ami-c393d6a4 # amzn-ami-2016.09.f-amazon-ecs-optimized
ap-southeast-1:
AMIID: ami-a900a3ca
ap-southeast-2:
AMIID: ami-5781be34
Resources:
ECSCluster:
Type: AWS::ECS::Cluster
EcsSecurityGroup:
Type: AWS::EC2::SecurityGroup
Properties:
GroupDescription: ECS Security Group
VpcId: !Ref 'VpcId'
EcsSecurityGroupHTTPinbound:
Type: AWS::EC2::SecurityGroupIngress
Properties:
GroupId: !Ref 'EcsSecurityGroup'
IpProtocol: tcp
FromPort: '80'
ToPort: '80'
CidrIp: 0.0.0.0/0
EcsSecurityGroupSSHinbound:
Type: AWS::EC2::SecurityGroupIngress
Properties:
GroupId: !Ref 'EcsSecurityGroup'
IpProtocol: tcp
FromPort: '22'
ToPort: '22'
CidrIp: 0.0.0.0/0
EcsSecurityGroupALBports:
Type: AWS::EC2::SecurityGroupIngress
Properties:
GroupId: !Ref 'EcsSecurityGroup'
IpProtocol: tcp
FromPort: '31000'
ToPort: '61000'
SourceSecurityGroupId: !Ref 'EcsSecurityGroup'
CloudwatchLogsGroup:
Type: AWS::Logs::LogGroup
Properties:
LogGroupName: !Join ['-', [ECSLogGroup, !Ref 'AWS::StackName']]
RetentionInDays: 14
taskdefinition:
Type: AWS::ECS::TaskDefinition
Properties:
Family: !Join ['', [!Ref 'AWS::StackName', -ecs-demo-app]]
ContainerDefinitions:
- Name: simple-app
Cpu: '10'
Essential: 'true'
Image: !Sub 280058936756.dkr.ecr.ap-northeast-1.amazonaws.com/sample_ecs_service:${Tag}
Memory: '300'
LogConfiguration:
LogDriver: awslogs
Options:
awslogs-group: !Ref 'CloudwatchLogsGroup'
awslogs-region: !Ref 'AWS::Region'
awslogs-stream-prefix: ecs-demo-app
# MountPoints:
# - ContainerPath: /usr/local/apache2/htdocs
# SourceVolume: my-vol
PortMappings:
- ContainerPort: 80
# - Name: busybox
# Cpu: 10
# Command: ['/bin/sh -c "while true; do echo ''<html> <head> <title>Amazon ECS
# Sample App</title> <style>body {margin-top: 40px; background-color: #333;}
# </style> </head><body> <div style=color:white;text-align:center> <h1>Amazon
# ECS Sample App</h1> <h2>Congratulations!</h2> <p>Your application is now
# running on a container in Amazon ECS.</p>'' > top; /bin/date > date ;
# echo ''</div></body></html>'' > bottom; cat top date bottom > /usr/local/apache2/htdocs/index.html
# ; sleep 1; done"']
# EntryPoint: [sh, -c]
# Essential: false
# Image: busybox
# Memory: 200
# LogConfiguration:
# LogDriver: awslogs
# Options:
# awslogs-group: !Ref 'CloudwatchLogsGroup'
# awslogs-region: !Ref 'AWS::Region'
# awslogs-stream-prefix: ecs-demo-app
# VolumesFrom:
# - SourceContainer: simple-app
# Volumes:
# - Name: my-vol
ECSALB:
Type: AWS::ElasticLoadBalancingV2::LoadBalancer
Properties:
Name: ECSALB
Scheme: internet-facing
LoadBalancerAttributes:
- Key: idle_timeout.timeout_seconds
Value: '30'
Subnets: !Ref 'SubnetID'
SecurityGroups: [!Ref 'EcsSecurityGroup']
ALBListener:
Type: AWS::ElasticLoadBalancingV2::Listener
DependsOn: ECSServiceRole
Properties:
DefaultActions:
- Type: forward
TargetGroupArn: !Ref 'ECSTG'
LoadBalancerArn: !Ref 'ECSALB'
Port: '80'
Protocol: HTTP
ECSALBListenerRule:
Type: AWS::ElasticLoadBalancingV2::ListenerRule
DependsOn: ALBListener
Properties:
Actions:
- Type: forward
TargetGroupArn: !Ref 'ECSTG'
Conditions:
- Field: path-pattern
Values: [/]
ListenerArn: !Ref 'ALBListener'
Priority: 1
ECSTG:
Type: AWS::ElasticLoadBalancingV2::TargetGroup
DependsOn: ECSALB
Properties:
HealthCheckIntervalSeconds: 10
HealthCheckPath: /
HealthCheckProtocol: HTTP
HealthCheckTimeoutSeconds: 5
HealthyThresholdCount: 2
Name: ECSTG
Port: 80
Protocol: HTTP
UnhealthyThresholdCount: 2
VpcId: !Ref 'VpcId'
ECSAutoScalingGroup:
Type: AWS::AutoScaling::AutoScalingGroup
Properties:
VPCZoneIdentifier: !Ref 'SubnetID'
LaunchConfigurationName: !Ref 'ContainerInstances'
MinSize: '1'
MaxSize: !Ref 'MaxSize'
DesiredCapacity: !Ref 'DesiredCapacity'
CreationPolicy:
ResourceSignal:
Timeout: PT3M
UpdatePolicy:
AutoScalingReplacingUpdate:
WillReplace: 'true'
ContainerInstances:
Type: AWS::AutoScaling::LaunchConfiguration
Properties:
ImageId: !FindInMap [AWSRegionToAMI, !Ref 'AWS::Region', AMIID]
SecurityGroups: [!Ref 'EcsSecurityGroup']
InstanceType: !Ref 'InstanceType'
AssociatePublicIpAddress: true
IamInstanceProfile: !Ref 'EC2InstanceProfile'
KeyName: !Ref 'KeyName'
UserData:
Fn::Base64: !Sub |
#!/bin/bash -xe
echo ECS_CLUSTER=${ECSCluster} >> /etc/ecs/ecs.config
sudo yum install -y aws-cfn-bootstrap
/opt/aws/bin/cfn-signal -e $? --stack ${AWS::StackName} --resource ECSAutoScalingGroup --region ${AWS::Region}
service:
Type: AWS::ECS::Service
DependsOn: ALBListener
Properties:
Cluster: !Ref 'ECSCluster'
DesiredCount: '1'
LoadBalancers:
- ContainerName: simple-app
ContainerPort: '80'
TargetGroupArn: !Ref 'ECSTG'
Role: !Ref 'ECSServiceRole'
TaskDefinition: !Ref 'taskdefinition'
ECSServiceRole:
Type: AWS::IAM::Role
Properties:
AssumeRolePolicyDocument:
Statement:
- Effect: Allow
Principal:
Service: [ecs.amazonaws.com]
Action: ['sts:AssumeRole']
Path: /
Policies:
- PolicyName: ecs-service
PolicyDocument:
Statement:
- Effect: Allow
Action: ['elasticloadbalancing:DeregisterInstancesFromLoadBalancer', 'elasticloadbalancing:DeregisterTargets',
'elasticloadbalancing:Describe*', 'elasticloadbalancing:RegisterInstancesWithLoadBalancer',
'elasticloadbalancing:RegisterTargets', 'ec2:Describe*', 'ec2:AuthorizeSecurityGroupIngress']
Resource: '*'
ServiceScalingTarget:
Type: AWS::ApplicationAutoScaling::ScalableTarget
DependsOn: service
Properties:
MaxCapacity: 2
MinCapacity: 1
ResourceId: !Join ['', [service/, !Ref 'ECSCluster', /, !GetAtt [service, Name]]]
RoleARN: !GetAtt [AutoscalingRole, Arn]
ScalableDimension: ecs:service:DesiredCount
ServiceNamespace: ecs
ServiceScalingPolicy:
Type: AWS::ApplicationAutoScaling::ScalingPolicy
Properties:
PolicyName: AStepPolicy
PolicyType: StepScaling
ScalingTargetId: !Ref 'ServiceScalingTarget'
StepScalingPolicyConfiguration:
AdjustmentType: PercentChangeInCapacity
Cooldown: 60
MetricAggregationType: Average
StepAdjustments:
- MetricIntervalLowerBound: 0
ScalingAdjustment: 200
ALB500sAlarmScaleUp:
Type: AWS::CloudWatch::Alarm
Properties:
EvaluationPeriods: '1'
Statistic: Average
Threshold: '10'
AlarmDescription: Alarm if our ALB generates too many HTTP 500s.
Period: '60'
AlarmActions: [!Ref 'ServiceScalingPolicy']
Namespace: AWS/ApplicationELB
Dimensions:
- Name: ECSService
Value: !Ref 'service'
ComparisonOperator: GreaterThanThreshold
MetricName: HTTPCode_ELB_5XX_Count
EC2Role:
Type: AWS::IAM::Role
Properties:
AssumeRolePolicyDocument:
Statement:
- Effect: Allow
Principal:
Service: [ec2.amazonaws.com]
Action: ['sts:AssumeRole']
Path: /
Policies:
- PolicyName: ecs-service
PolicyDocument:
Statement:
- Effect: Allow
Action: ['ecs:CreateCluster', 'ecs:DeregisterContainerInstance', 'ecs:DiscoverPollEndpoint',
'ecs:Poll', 'ecs:RegisterContainerInstance', 'ecs:StartTelemetrySession',
'ecr:GetAuthorizationToken','ecr:BatchGetImage','ecr:GetDownloadUrlForLayer',
'ecs:Submit*', 'logs:CreateLogStream', 'logs:PutLogEvents']
Resource: '*'
AutoscalingRole:
Type: AWS::IAM::Role
Properties:
AssumeRolePolicyDocument:
Statement:
- Effect: Allow
Principal:
Service: [application-autoscaling.amazonaws.com]
Action: ['sts:AssumeRole']
Path: /
Policies:
- PolicyName: service-autoscaling
PolicyDocument:
Statement:
- Effect: Allow
Action: ['application-autoscaling:*', 'cloudwatch:DescribeAlarms', 'cloudwatch:PutMetricAlarm',
'ecs:DescribeServices', 'ecs:UpdateService']
Resource: '*'
EC2InstanceProfile:
Type: AWS::IAM::InstanceProfile
Properties:
Path: /
Roles: [!Ref 'EC2Role']
Outputs:
ecsservice:
Value: !Ref 'service'
ecscluster:
Value: !Ref 'ECSCluster'
ECSALB:
Description: Your ALB DNS URL
Value: !Join ['', [!GetAtt [ECSALB, DNSName]]]
taskdef:
Value: !Ref 'taskdefinition'