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".

Signed-off-by: Nitzan Raz <nitz.raz@gmail.com>

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

@@ -3,6 +3,7 @@ services:
     image: nginx
     ports:
       - "80:80"
+    x-aws-assign_public_ip: true
 
   sensitive:
     image: httpd

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

@@ -220,7 +220,7 @@ Resources:
       LaunchType: FARGATE
       NetworkConfiguration:
         AwsvpcConfiguration:
-          AssignPublicIp: ENABLED
+          AssignPublicIp: DISABLED
           SecurityGroups:
           - Ref: DefaultNetwork
           Subnets:

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"
 )