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service.yaml
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service.yaml
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Description: >
A project to show php information using phpinfo() function
Parameters:
Cluster:
Description: Please provide the ECS Cluster ID that this service should run on
Type: String
DesiredCount:
Description: How many instances of this task should we run across our cluster?
Type: Number
Default: 1
Listener:
Description: The Application Load Balancer listener to register with
Type: String
HTTPSListener:
Description: The Application Load Balancer HTTPS listener to register with
Type: String
TargetGroup:
Description: HTTP Target group for Load Balancer
Type: String
HTTPSTargetGroup:
Description: HTTPS Target group for Load Balancer
Type: String
Path:
Description: The path to register with the Application Load Balancer
Type: String
Default: /
ECSServiceAutoScalingRoleARN:
Description: The ECS service auto scaling role ARN
Type: String
OpenRestyImage:
Description: The OpenResty URL from ECR
Type: String
PHPImage:
Description: The PHP URL from ECR
Type: String
Resources:
#HTTP Service
Service:
Type: AWS::ECS::Service
DependsOn: ListenerRule
Properties:
Cluster: !Ref Cluster
Role: !Ref ServiceRole
DesiredCount: !Ref DesiredCount
TaskDefinition: !Ref TaskDefinition
LoadBalancers:
- ContainerName: web
ContainerPort: 80
TargetGroupArn: !Ref TargetGroup
#HTTPS Service
HTTPSService:
Type: AWS::ECS::Service
DependsOn: HTTPSListenerRule
Properties:
Cluster: !Ref Cluster
Role: !Ref ServiceRole
DesiredCount: !Ref DesiredCount
TaskDefinition: !Ref HTTPSTaskDefinition
LoadBalancers:
- ContainerName: web
ContainerPort: 443
TargetGroupArn: !Ref HTTPSTargetGroup
TaskDefinition:
Type: AWS::ECS::TaskDefinition
Properties:
Family: !Join ['', [!Ref 'AWS::StackName', -td]]
TaskRoleArn: !Ref TaskRole
ContainerDefinitions:
# PHP Image
- Name: php-fpm
Essential: true
Image: !Ref PHPImage
Memory: 256
LogConfiguration:
LogDriver: awslogs
Options:
awslogs-group: !Ref CloudWatchLogsGroup
awslogs-region: !Ref AWS::Region
MountPoints:
- ContainerPath: /var/www/html
SourceVolume: ServicesNginxSrc
# Openresty Image
- Name: web
Essential: true
Image: !Ref OpenRestyImage
Memory: 256
MountPoints:
- ContainerPath: /var/www/html
SourceVolume: ServicesNginxSrc
PortMappings:
- ContainerPort: 80
LogConfiguration:
LogDriver: awslogs
Options:
awslogs-group: !Ref CloudWatchLogsGroup
awslogs-region: !Ref AWS::Region
Links:
- php-fpm
Volumes:
- Name: ServicesNginxSrc
# Task definition for HTTPS Service
HTTPSTaskDefinition:
Type: AWS::ECS::TaskDefinition
Properties:
Family: !Join ['', [!Ref 'AWS::StackName', https-td]]
TaskRoleArn: !Ref TaskRole
ContainerDefinitions:
# PHP Image
- Name: php-fpm
Essential: true
Image: !Ref PHPImage
Memory: 256
LogConfiguration:
LogDriver: awslogs
Options:
awslogs-group: !Ref CloudWatchLogsGroup
awslogs-region: !Ref AWS::Region
MountPoints:
- ContainerPath: /var/www/html
SourceVolume: ServicesNginxSrc
# Openresty Image
- Name: web
Essential: true
Image: !Ref OpenRestyImage
Memory: 256
MountPoints:
- ContainerPath: /var/www/html
SourceVolume: ServicesNginxSrc
PortMappings:
- ContainerPort: 443
LogConfiguration:
LogDriver: awslogs
Options:
awslogs-group: !Ref CloudWatchLogsGroup
awslogs-region: !Ref AWS::Region
Links:
- php-fpm
Volumes:
- Name: ServicesNginxSrc
CloudWatchLogsGroup:
Type: AWS::Logs::LogGroup
Properties:
LogGroupName: !Ref AWS::StackName
RetentionInDays: 1
ListenerRule:
Type: AWS::ElasticLoadBalancingV2::ListenerRule
Properties:
ListenerArn: !Ref Listener
Priority: 1
Conditions:
- Field: path-pattern
Values:
- !Ref Path
Actions:
- TargetGroupArn: !Ref TargetGroup
Type: forward
# HTTPS Listener Rule
HTTPSListenerRule:
Type: AWS::ElasticLoadBalancingV2::ListenerRule
Properties:
ListenerArn: !Ref HTTPSListener
Priority: 1
Conditions:
- Field: path-pattern
Values:
- !Ref Path
Actions:
- TargetGroupArn: !Ref HTTPSTargetGroup
Type: forward
# This IAM Role grants the service access to register/unregister with the
# Application Load Balancer (ALB). It is based on the default documented here:
# http://docs.aws.amazon.com/AmazonECS/latest/developerguide/service_IAM_role.html
ServiceRole:
Type: AWS::IAM::Role
Properties:
RoleName: !Sub ecs-service-${AWS::StackName}
Path: /
AssumeRolePolicyDocument: |
{
"Statement": [{
"Effect": "Allow",
"Principal": { "Service": [ "ecs.amazonaws.com","application-autoscaling.amazonaws.com" ]},
"Action": [ "sts:AssumeRole" ]
}]
}
Policies:
- PolicyName: !Sub ecs-service-${AWS::StackName}
PolicyDocument:
{
"Version": "2012-10-17",
"Statement":
[
{
"Effect": "Allow",
"Action":
[
"ec2:AuthorizeSecurityGroupIngress",
"ec2:Describe*",
"elasticloadbalancing:DeregisterInstancesFromLoadBalancer",
"elasticloadbalancing:Describe*",
"elasticloadbalancing:RegisterInstancesWithLoadBalancer",
"elasticloadbalancing:DeregisterTargets",
"elasticloadbalancing:DescribeTargetGroups",
"elasticloadbalancing:DescribeTargetHealth",
"elasticloadbalancing:RegisterTargets",
"ecs:DescribeServices",
"ecs:UpdateService"
],
"Resource": "*"
}
]
}
# Task Role
TaskRole:
Type: AWS::IAM::Role
Properties:
Path: /
AssumeRolePolicyDocument: |
{
"Statement": [{
"Action": "sts:AssumeRole",
"Effect": "Allow",
"Principal": { "Service": "ecs-tasks.amazonaws.com" }
}]
}
ServiceScalableTarget:
Type: 'AWS::ApplicationAutoScaling::ScalableTarget'
Properties:
MaxCapacity: 5
MinCapacity: 2
ResourceId: !Join
- /
- - service
- !Ref Cluster
- !GetAtt Service.Name
RoleARN: !Ref ECSServiceAutoScalingRoleARN
ScalableDimension: ecs:service:DesiredCount
ServiceNamespace: ecs
ServiceScaleOutPolicy:
Type: "AWS::ApplicationAutoScaling::ScalingPolicy"
Properties:
PolicyName: ServiceScaleOutPolicy
PolicyType: StepScaling
ScalingTargetId: !Ref ServiceScalableTarget
StepScalingPolicyConfiguration:
AdjustmentType: ChangeInCapacity
Cooldown: 60
MetricAggregationType: Average
StepAdjustments:
- MetricIntervalLowerBound: 0
ScalingAdjustment: 1
ServiceScaleInPolicy:
Type: "AWS::ApplicationAutoScaling::ScalingPolicy"
Properties:
PolicyName: ServiceScaleInPolicy
PolicyType: StepScaling
ScalingTargetId: !Ref ServiceScalableTarget
StepScalingPolicyConfiguration:
AdjustmentType: ChangeInCapacity
Cooldown: 60
MetricAggregationType: Average
StepAdjustments:
- MetricIntervalUpperBound: 0
ScalingAdjustment: -1
CPUScaleOutAlarm:
Type: AWS::CloudWatch::Alarm
Properties:
AlarmName: CPU utilization greater than 75%
AlarmDescription: Alarm if cpu utilization greater than 75% of reserved cpu
Namespace: AWS/ECS
MetricName: CPUUtilization
Dimensions:
- Name: ClusterName
Value: !Ref Cluster
- Name: ServiceName
Value: !GetAtt Service.Name
Statistic: Maximum
Period: "60"
EvaluationPeriods: "1"
Threshold: "75"
ComparisonOperator: GreaterThanThreshold
ActionsEnabled: true
AlarmActions:
- !Ref ServiceScaleOutPolicy
CPUScaleInAlarm:
Type: AWS::CloudWatch::Alarm
Properties:
AlarmName: CPU utilization less than 40%
AlarmDescription: Alarm if cpu utilization less than 40% of reserved cpu
Namespace: AWS/ECS
MetricName: CPUUtilization
Dimensions:
- Name: ClusterName
Value: !Ref Cluster
- Name: ServiceName
Value: !GetAtt Service.Name
Statistic: Maximum
# 20 minutes
Period: "1200"
EvaluationPeriods: "1"
Threshold: "40"
ComparisonOperator: LessThanThreshold
ActionsEnabled: true
AlarmActions:
- !Ref ServiceScaleInPolicy
########################################
##############HTTPS#####################
########################################
#HTTPS Service Scalable Target
HTTPSServiceScalableTarget:
Type: 'AWS::ApplicationAutoScaling::ScalableTarget'
Properties:
MaxCapacity: 5
MinCapacity: 2
ResourceId: !Join
- /
- - service
- !Ref Cluster
- !GetAtt HTTPSService.Name
RoleARN: !Ref ECSServiceAutoScalingRoleARN
ScalableDimension: ecs:service:DesiredCount
ServiceNamespace: ecs
#HTTPS Service ScaleOut Policy
HTTPSServiceScaleOutPolicy:
Type: "AWS::ApplicationAutoScaling::ScalingPolicy"
Properties:
PolicyName: HTTPSServiceScaleOutPolicy
PolicyType: StepScaling
ScalingTargetId: !Ref HTTPSServiceScalableTarget
StepScalingPolicyConfiguration:
AdjustmentType: ChangeInCapacity
Cooldown: 60
MetricAggregationType: Average
StepAdjustments:
- MetricIntervalLowerBound: 0
ScalingAdjustment: 1
#HTTPS Service ScaleIn Policy
HTTPSServiceScaleInPolicy:
Type: "AWS::ApplicationAutoScaling::ScalingPolicy"
Properties:
PolicyName: HTTPSServiceScaleInPolicy
PolicyType: StepScaling
ScalingTargetId: !Ref HTTPSServiceScalableTarget
StepScalingPolicyConfiguration:
AdjustmentType: ChangeInCapacity
Cooldown: 60
MetricAggregationType: Average
StepAdjustments:
- MetricIntervalUpperBound: 0
ScalingAdjustment: -1
HTTPSCPUScaleOutAlarm:
Type: AWS::CloudWatch::Alarm
Properties:
AlarmName: CPU utilization greater than 75% in HTTPS Service
AlarmDescription: Alarm if cpu utilization greater than 75% of reserved cpu
Namespace: AWS/ECS
MetricName: CPUUtilization
Dimensions:
- Name: ClusterName
Value: !Ref Cluster
- Name: HTTPSServiceName
Value: !GetAtt HTTPSService.Name
Statistic: Maximum
Period: "60"
EvaluationPeriods: "1"
Threshold: "75"
ComparisonOperator: GreaterThanThreshold
ActionsEnabled: true
AlarmActions:
- !Ref HTTPSServiceScaleOutPolicy
HTTPSCPUScaleInAlarm:
Type: AWS::CloudWatch::Alarm
Properties:
AlarmName: CPU utilization less than 40% in HTTPS Service
AlarmDescription: Alarm if cpu utilization less than 40% of reserved cpu
Namespace: AWS/ECS
MetricName: CPUUtilization
Dimensions:
- Name: ClusterName
Value: !Ref Cluster
- Name: HTTPSServiceName
Value: !GetAtt HTTPSService.Name
Statistic: Maximum
# 20 minutes
Period: "1200"
EvaluationPeriods: "1"
Threshold: "40"
ComparisonOperator: LessThanThreshold
ActionsEnabled: true
AlarmActions:
- !Ref HTTPSServiceScaleInPolicy