ECS: supporting x-aws-assign_public_ip

Allowing users to choose whether their instances should get a public IP address or not.
Defaulting to "no".

Author: BackSlasher

ecs/cloudformation.go

@@ -235,7 +235,10 @@ func (b *ecsAPIService) createService(project *types.Project, service types.Serv
 		return err
 	}
 
-	assignPublicIP := ecsapi.AssignPublicIpEnabled
+        assignPublicIP := "DISABLED"
+	if assignPublicIPSetting, ok := service.Extensions[extensionAssignPublicIp]; ok && assignPublicIPSetting.(bool){
+            assignPublicIP = ecsapi.AssignPublicIpEnabled
+        }
 	launchType := ecsapi.LaunchTypeFargate
 	platformVersion := "1.4.0" // LATEST which is set to 1.3.0 (?) which doesn’t allow efs volumes.
 	if requireEC2(service) {

ecs/cloudformation_test.go

@@ -51,6 +51,17 @@ func TestSimpleConvert(t *testing.T) {
 	golden.Assert(t, result, expected)
 }
 
+func TestSlightlyComplexConvert(t *testing.T) {
+	bytes, err := ioutil.ReadFile("testdata/input/slightly-complex-service.yaml")
+	assert.NilError(t, err)
+	template := convertYaml(t, string(bytes), nil, useDefaultVPC)
+	resultAsJSON, err := marshall(template, "yaml")
+	assert.NilError(t, err)
+	result := fmt.Sprintf("%s\n", string(resultAsJSON))
+	expected := "slightly-complex-cloudformation-conversion.golden"
+	golden.Assert(t, result, expected)
+}
+
 func TestLogging(t *testing.T) {
 	template := convertYaml(t, `
 services:

ecs/testdata/input/slightly-complex-service.yaml

@@ -0,0 +1,9 @@
+services:
+  entrance:
+    image: nginx
+    ports:
+      - "80:80"
+    x-aws-assign_public_ip: true
+
+  sensitive:
+    image: python

ecs/testdata/simple-cloudformation-conversion.golden

@@ -81,7 +81,7 @@ Resources:
           Ref: SimpleTCP80TargetGroup
       NetworkConfiguration:
         AwsvpcConfiguration:
-          AssignPublicIp: ENABLED
+          AssignPublicIp: DISABLED
           SecurityGroups:
           - Ref: DefaultNetwork
           Subnets:

ecs/testdata/slightly-complex-cloudformation-conversion.golden

@@ -0,0 +1,320 @@
+AWSTemplateFormatVersion: 2010-09-09
+Resources:
+  CloudMap:
+    Properties:
+      Description: Service Map for Docker Compose project TestSlightlyComplexConvert
+      Name: TestSlightlyComplexConvert.local
+      Vpc: vpc-123
+    Type: AWS::ServiceDiscovery::PrivateDnsNamespace
+  Cluster:
+    Properties:
+      ClusterName: TestSlightlyComplexConvert
+      Tags:
+      - Key: com.docker.compose.project
+        Value: TestSlightlyComplexConvert
+    Type: AWS::ECS::Cluster
+  Default80Ingress:
+    Properties:
+      CidrIp: 0.0.0.0/0
+      Description: entrance:80/tcp on default network
+      FromPort: 80
+      GroupId:
+        Ref: DefaultNetwork
+      IpProtocol: TCP
+      ToPort: 80
+    Type: AWS::EC2::SecurityGroupIngress
+  DefaultNetwork:
+    Properties:
+      GroupDescription: TestSlightlyComplexConvert Security Group for default network
+      Tags:
+      - Key: com.docker.compose.project
+        Value: TestSlightlyComplexConvert
+      - Key: com.docker.compose.network
+        Value: TestSlightlyComplexConvert_default
+      VpcId: vpc-123
+    Type: AWS::EC2::SecurityGroup
+  DefaultNetworkIngress:
+    Properties:
+      Description: Allow communication within network default
+      GroupId:
+        Ref: DefaultNetwork
+      IpProtocol: "-1"
+      SourceSecurityGroupId:
+        Ref: DefaultNetwork
+    Type: AWS::EC2::SecurityGroupIngress
+  EntranceService:
+    DependsOn:
+    - EntranceTCP80Listener
+    Properties:
+      Cluster:
+        Fn::GetAtt:
+        - Cluster
+        - Arn
+      DeploymentConfiguration:
+        MaximumPercent: 200
+        MinimumHealthyPercent: 100
+      DeploymentController:
+        Type: ECS
+      DesiredCount: 1
+      LaunchType: FARGATE
+      LoadBalancers:
+      - ContainerName: entrance
+        ContainerPort: 80
+        TargetGroupArn:
+          Ref: EntranceTCP80TargetGroup
+      NetworkConfiguration:
+        AwsvpcConfiguration:
+          AssignPublicIp: ENABLED
+          SecurityGroups:
+          - Ref: DefaultNetwork
+          Subnets:
+          - subnet1
+          - subnet2
+      PlatformVersion: 1.4.0
+      PropagateTags: SERVICE
+      SchedulingStrategy: REPLICA
+      ServiceRegistries:
+      - RegistryArn:
+          Fn::GetAtt:
+          - EntranceServiceDiscoveryEntry
+          - Arn
+      Tags:
+      - Key: com.docker.compose.project
+        Value: TestSlightlyComplexConvert
+      - Key: com.docker.compose.service
+        Value: entrance
+      TaskDefinition:
+        Ref: EntranceTaskDefinition
+    Type: AWS::ECS::Service
+  EntranceServiceDiscoveryEntry:
+    Properties:
+      Description: '"entrance" service discovery entry in Cloud Map'
+      DnsConfig:
+        DnsRecords:
+        - TTL: 60
+          Type: A
+        RoutingPolicy: MULTIVALUE
+      HealthCheckCustomConfig:
+        FailureThreshold: 1
+      Name: entrance
+      NamespaceId:
+        Ref: CloudMap
+    Type: AWS::ServiceDiscovery::Service
+  EntranceTCP80Listener:
+    Properties:
+      DefaultActions:
+      - ForwardConfig:
+          TargetGroups:
+          - TargetGroupArn:
+              Ref: EntranceTCP80TargetGroup
+        Type: forward
+      LoadBalancerArn:
+        Ref: LoadBalancer
+      Port: 80
+      Protocol: HTTP
+    Type: AWS::ElasticLoadBalancingV2::Listener
+  EntranceTCP80TargetGroup:
+    Properties:
+      Port: 80
+      Protocol: HTTP
+      Tags:
+      - Key: com.docker.compose.project
+        Value: TestSlightlyComplexConvert
+      TargetType: ip
+      VpcId: vpc-123
+    Type: AWS::ElasticLoadBalancingV2::TargetGroup
+  EntranceTaskDefinition:
+    Properties:
+      ContainerDefinitions:
+      - Command:
+        - .compute.internal
+        - TestSlightlyComplexConvert.local
+        Essential: false
+        Image: docker/ecs-searchdomain-sidecar:1.0
+        LogConfiguration:
+          LogDriver: awslogs
+          Options:
+            awslogs-group:
+              Ref: LogGroup
+            awslogs-region:
+              Ref: AWS::Region
+            awslogs-stream-prefix: TestSlightlyComplexConvert
+        Name: Entrance_ResolvConf_InitContainer
+      - DependsOn:
+        - Condition: SUCCESS
+          ContainerName: Entrance_ResolvConf_InitContainer
+        Essential: true
+        Image: nginx
+        LinuxParameters: {}
+        LogConfiguration:
+          LogDriver: awslogs
+          Options:
+            awslogs-group:
+              Ref: LogGroup
+            awslogs-region:
+              Ref: AWS::Region
+            awslogs-stream-prefix: TestSlightlyComplexConvert
+        Name: entrance
+        PortMappings:
+        - ContainerPort: 80
+          HostPort: 80
+          Protocol: tcp
+      Cpu: "256"
+      ExecutionRoleArn:
+        Ref: EntranceTaskExecutionRole
+      Family: TestSlightlyComplexConvert-entrance
+      Memory: "512"
+      NetworkMode: awsvpc
+      RequiresCompatibilities:
+      - FARGATE
+    Type: AWS::ECS::TaskDefinition
+  EntranceTaskExecutionRole:
+    Properties:
+      AssumeRolePolicyDocument:
+        Statement:
+        - Action:
+          - sts:AssumeRole
+          Condition: {}
+          Effect: Allow
+          Principal:
+            Service: ecs-tasks.amazonaws.com
+        Version: 2012-10-17
+      ManagedPolicyArns:
+      - arn:aws:iam::aws:policy/service-role/AmazonECSTaskExecutionRolePolicy
+      - arn:aws:iam::aws:policy/AmazonEC2ContainerRegistryReadOnly
+      Tags:
+      - Key: com.docker.compose.project
+        Value: TestSlightlyComplexConvert
+      - Key: com.docker.compose.service
+        Value: entrance
+    Type: AWS::IAM::Role
+  LoadBalancer:
+    Properties:
+      Scheme: internet-facing
+      SecurityGroups:
+      - Ref: DefaultNetwork
+      Subnets:
+      - subnet1
+      - subnet2
+      Tags:
+      - Key: com.docker.compose.project
+        Value: TestSlightlyComplexConvert
+      Type: application
+    Type: AWS::ElasticLoadBalancingV2::LoadBalancer
+  LogGroup:
+    Properties:
+      LogGroupName: /docker-compose/TestSlightlyComplexConvert
+    Type: AWS::Logs::LogGroup
+  SensitiveService:
+    Properties:
+      Cluster:
+        Fn::GetAtt:
+        - Cluster
+        - Arn
+      DeploymentConfiguration:
+        MaximumPercent: 200
+        MinimumHealthyPercent: 100
+      DeploymentController:
+        Type: ECS
+      DesiredCount: 1
+      LaunchType: FARGATE
+      NetworkConfiguration:
+        AwsvpcConfiguration:
+          AssignPublicIp: DISABLED
+          SecurityGroups:
+          - Ref: DefaultNetwork
+          Subnets:
+          - subnet1
+          - subnet2
+      PlatformVersion: 1.4.0
+      PropagateTags: SERVICE
+      SchedulingStrategy: REPLICA
+      ServiceRegistries:
+      - RegistryArn:
+          Fn::GetAtt:
+          - SensitiveServiceDiscoveryEntry
+          - Arn
+      Tags:
+      - Key: com.docker.compose.project
+        Value: TestSlightlyComplexConvert
+      - Key: com.docker.compose.service
+        Value: sensitive
+      TaskDefinition:
+        Ref: SensitiveTaskDefinition
+    Type: AWS::ECS::Service
+  SensitiveServiceDiscoveryEntry:
+    Properties:
+      Description: '"sensitive" service discovery entry in Cloud Map'
+      DnsConfig:
+        DnsRecords:
+        - TTL: 60
+          Type: A
+        RoutingPolicy: MULTIVALUE
+      HealthCheckCustomConfig:
+        FailureThreshold: 1
+      Name: sensitive
+      NamespaceId:
+        Ref: CloudMap
+    Type: AWS::ServiceDiscovery::Service
+  SensitiveTaskDefinition:
+    Properties:
+      ContainerDefinitions:
+      - Command:
+        - .compute.internal
+        - TestSlightlyComplexConvert.local
+        Essential: false
+        Image: docker/ecs-searchdomain-sidecar:1.0
+        LogConfiguration:
+          LogDriver: awslogs
+          Options:
+            awslogs-group:
+              Ref: LogGroup
+            awslogs-region:
+              Ref: AWS::Region
+            awslogs-stream-prefix: TestSlightlyComplexConvert
+        Name: Sensitive_ResolvConf_InitContainer
+      - DependsOn:
+        - Condition: SUCCESS
+          ContainerName: Sensitive_ResolvConf_InitContainer
+        Essential: true
+        Image: python
+        LinuxParameters: {}
+        LogConfiguration:
+          LogDriver: awslogs
+          Options:
+            awslogs-group:
+              Ref: LogGroup
+            awslogs-region:
+              Ref: AWS::Region
+            awslogs-stream-prefix: TestSlightlyComplexConvert
+        Name: sensitive
+      Cpu: "256"
+      ExecutionRoleArn:
+        Ref: SensitiveTaskExecutionRole
+      Family: TestSlightlyComplexConvert-sensitive
+      Memory: "512"
+      NetworkMode: awsvpc
+      RequiresCompatibilities:
+      - FARGATE
+    Type: AWS::ECS::TaskDefinition
+  SensitiveTaskExecutionRole:
+    Properties:
+      AssumeRolePolicyDocument:
+        Statement:
+        - Action:
+          - sts:AssumeRole
+          Condition: {}
+          Effect: Allow
+          Principal:
+            Service: ecs-tasks.amazonaws.com
+        Version: 2012-10-17
+      ManagedPolicyArns:
+      - arn:aws:iam::aws:policy/service-role/AmazonECSTaskExecutionRolePolicy
+      - arn:aws:iam::aws:policy/AmazonEC2ContainerRegistryReadOnly
+      Tags:
+      - Key: com.docker.compose.project
+        Value: TestSlightlyComplexConvert
+      - Key: com.docker.compose.service
+        Value: sensitive
+    Type: AWS::IAM::Role
+

ecs/x.go

@@ -31,4 +31,5 @@ const (
 	extensionManagedPolicies = "x-aws-policies"
 	extensionAutoScaling     = "x-aws-autoscaling"
 	extensionCloudFormation  = "x-aws-cloudformation"
+        extensionAssignPublicIp  = "x-aws-assign_public_ip"
 )