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Copy pathECS-CF-springboot-ALB-single-service.yml
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ECS-CF-springboot-ALB-single-service.yml
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AWSTemplateFormatVersion: '2010-09-09'
Parameters:
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.small
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-eca289fb
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-9cd57ffd
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
Service1taskdefinition:
Type: AWS::ECS::TaskDefinition
Properties:
ContainerDefinitions:
- Name: service1container
Cpu: '10'
Essential: 'true'
Image: 356967975209.dkr.ecr.us-east-1.amazonaws.com/springbootservice1:1.1
Memory: '300'
LogConfiguration:
LogDriver: awslogs
Options:
awslogs-group: !Ref 'CloudwatchLogsGroup'
awslogs-region: !Ref 'AWS::Region'
awslogs-stream-prefix: ecs-demo-app
PortMappings:
- ContainerPort: 2221
# Creating Application Load Balancer
ECSALB:
Type: AWS::ElasticLoadBalancingV2::LoadBalancer
Properties:
Name: ECSALB
Scheme: internet-facing
LoadBalancerAttributes:
- Key: idle_timeout.timeout_seconds
Value: 60
Subnets: !Ref 'SubnetId'
SecurityGroups: [!Ref 'EcsSecurityGroup']
# Creating a default target group. This is not used, instead a separate
# target group is created per-service for each service (../services/*)
DefaultTargetGroup:
Type: AWS::ElasticLoadBalancingV2::TargetGroup
DependsOn: ECSALB
Properties:
Name: DefaultTargetGroup
Port: 80
Protocol: HTTP
VpcId: !Ref 'VpcId'
# LB Listener - single listener will service to all services
ALBListener:
Type: AWS::ElasticLoadBalancingV2::Listener
DependsOn: ECSServiceRole
Properties:
DefaultActions:
- Type: forward
TargetGroupArn: !Ref 'DefaultTargetGroup'
LoadBalancerArn: !Ref 'ECSALB'
Port: 80
Protocol: HTTP
# Target Group for Service1
Service1TargetGroup:
Type: AWS::ElasticLoadBalancingV2::TargetGroup
DependsOn: ECSALB
Properties:
HealthCheckIntervalSeconds: 90
HealthCheckPath: /service1
HealthCheckProtocol: HTTP
HealthCheckTimeoutSeconds: 10
HealthyThresholdCount: 2
Name: Service1TargetGroup
Port: 80
Protocol: HTTP
Matcher:
HttpCode: 200-299
UnhealthyThresholdCount: 2
VpcId: !Ref 'VpcId'
# Listener rule for service1
Service1ListenerRule:
Type: AWS::ElasticLoadBalancingV2::ListenerRule
DependsOn: ALBListener
Properties:
Actions:
- Type: forward
TargetGroupArn: !Ref 'Service1TargetGroup'
Conditions:
- Field: path-pattern
Values: [/service1*]
ListenerArn: !Ref 'ALBListener'
Priority: 1
ECSAutoScalingGroup:
Type: AWS::AutoScaling::AutoScalingGroup
Properties:
VPCZoneIdentifier: !Ref 'SubnetId'
LaunchConfigurationName: !Ref 'AutoScalLaunchConfig'
MinSize: '1'
MaxSize: !Ref 'MaxSize'
DesiredCapacity: !Ref 'DesiredCapacity'
CreationPolicy:
ResourceSignal:
Timeout: PT15M
UpdatePolicy:
AutoScalingRollingUpdate:
MinInstancesInService: 1
MaxBatchSize: 1
PauseTime: PT15M
SuspendProcesses:
- HealthCheck
- ReplaceUnhealthy
- AZRebalance
- AlarmNotification
- ScheduledActions
WaitOnResourceSignals: true
AutoScalLaunchConfig:
Type: AWS::AutoScaling::LaunchConfiguration
Properties:
ImageId: !FindInMap [AWSRegionToAMI, !Ref 'AWS::Region', AMIID]
SecurityGroups: [!Ref 'EcsSecurityGroup']
InstanceType: !Ref 'InstanceType'
IamInstanceProfile: !Ref 'EC2InstanceProfile'
KeyName: !Ref 'KeyName'
UserData:
Fn::Base64: !Sub |
#!/bin/bash -xe
echo ECS_CLUSTER=${ECSCluster} >> /etc/ecs/ecs.config
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: Service1ListenerRule
Properties:
Cluster: !Ref 'ECSCluster'
DesiredCount: '1'
LoadBalancers:
- ContainerName: service1container
ContainerPort: '2221'
TargetGroupArn: !Ref 'Service1TargetGroup'
Role: !Ref 'ECSServiceRole'
TaskDefinition: !Ref 'Service1taskdefinition'
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: LoadBalancer
Value: !GetAtt
- ECSALB
- LoadBalancerFullName
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',
'ecs:Submit*', 'logs:CreateLogStream', 'logs:PutLogEvents', 'ecr:BatchCheckLayerAvailability',
'ecr:BatchGetImage', 'ecr:GetDownloadUrlForLayer', 'ecr:GetAuthorizationToken']
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 'Service1taskdefinition'