Distinguish limits for Fargate and EC2

Signed-off-by: Nicolas De Loof <nicolas.deloof@gmail.com>

ecs/cloudformation.go

@@ -277,7 +277,7 @@ func (b *ecsAPIService) convert(project *types.Project) (*cloudformation.Templat
 			LoadBalancers: serviceLB,
 			NetworkConfiguration: &ecs.Service_NetworkConfiguration{
 				AwsvpcConfiguration: &ecs.Service_AwsVpcConfiguration{
-					AssignPublicIp: ecsapi.AssignPublicIpDisabled,
+					AssignPublicIp: ecsapi.AssignPublicIpEnabled,
 					SecurityGroups: serviceSecurityGroups,
 					Subnets: []string{
 						cloudformation.Ref(parameterSubnet1Id),

ecs/cloudformation_test.go

@@ -245,6 +245,15 @@ services:
 
 func TestTaskSizeConvert(t *testing.T) {
 	template := convertYaml(t, `
+services:
+  test:
+    image: nginx
+`)
+	def := template.Resources["TestTaskDefinition"].(*ecs.TaskDefinition)
+	assert.Equal(t, def.Cpu, "256")
+	assert.Equal(t, def.Memory, "512")
+
+	template = convertYaml(t, `
 services:
   test:
     image: nginx
@@ -253,11 +262,8 @@ services:
         limits:
           cpus: '0.5'
           memory: 2048M
-        reservations:
-          cpus: '0.5'
-          memory: 2048M
 `)
-	def := template.Resources["TestTaskDefinition"].(*ecs.TaskDefinition)
+	def = template.Resources["TestTaskDefinition"].(*ecs.TaskDefinition)
 	assert.Equal(t, def.Cpu, "512")
 	assert.Equal(t, def.Memory, "2048")
 
@@ -270,13 +276,29 @@ services:
         limits:
           cpus: '4'
           memory: 8192M
-        reservations:
-          cpus: '4'
-          memory: 8192M
 `)
 	def = template.Resources["TestTaskDefinition"].(*ecs.TaskDefinition)
 	assert.Equal(t, def.Cpu, "4096")
 	assert.Equal(t, def.Memory, "8192")
+
+	template = convertYaml(t, `
+services:
+  test:
+    image: nginx
+    deploy:
+      resources:
+        limits:
+          cpus: '4'
+          memory: 792Mb
+        reservations:
+          generic_resources: 
+            - discrete_resource_spec:
+                kind: gpus
+                value: 2
+`)
+	def = template.Resources["TestTaskDefinition"].(*ecs.TaskDefinition)
+	assert.Equal(t, def.Cpu, "4000")
+	assert.Equal(t, def.Memory, "792")
 }
 func TestTaskSizeConvertFailure(t *testing.T) {
 	model := loadConfig(t, `

ecs/convert.go

@@ -323,8 +323,17 @@ func toSystemControls(sysctls types.Mapping) []ecs.TaskDefinition_SystemControl
 const miB = 1024 * 1024
 
 func toLimits(service types.ServiceConfig) (string, string, error) {
-	// All possible CPU/mem values for Fargate
-	cpuToMem := map[int64][]types.UnitBytes{
+	mem, cpu, err := getConfiguredLimits(service)
+	if err != nil {
+		return "", "", err
+	}
+	if requireEC2(service) {
+		// just return configured limits expressed in Mb and CPU units
+		return fmt.Sprint(cpu), fmt.Sprint(mem / miB), nil
+	}
+
+	// All possible cpu/mem values for Fargate
+	fargateCPUToMem := map[int64][]types.UnitBytes{
 		256:  {512, 1024, 2048},
 		512:  {1024, 2048, 3072, 4096},
 		1024: {2048, 3072, 4096, 5120, 6144, 7168, 8192},
@@ -333,37 +342,22 @@ func toLimits(service types.ServiceConfig) (string, string, error) {
 	}
 	cpuLimit := "256"
 	memLimit := "512"
-
-	if service.Deploy == nil {
+	if mem == 0 && cpu == 0 {
 		return cpuLimit, memLimit, nil
 	}
 
-	limits := service.Deploy.Resources.Limits
-	if limits == nil {
-		return cpuLimit, memLimit, nil
-	}
-
-	if limits.NanoCPUs == "" {
-		return cpuLimit, memLimit, nil
-	}
-
-	v, err := opts.ParseCPUs(limits.NanoCPUs)
-	if err != nil {
-		return "", "", err
-	}
-
 	var cpus []int64
-	for k := range cpuToMem {
+	for k := range fargateCPUToMem {
 		cpus = append(cpus, k)
 	}
 	sort.Slice(cpus, func(i, j int) bool { return cpus[i] < cpus[j] })
 
-	for _, cpu := range cpus {
-		mem := cpuToMem[cpu]
-		if v <= cpu*miB {
-			for _, m := range mem {
-				if limits.MemoryBytes <= m*miB {
-					cpuLimit = strconv.FormatInt(cpu, 10)
+	for _, fargateCPU := range cpus {
+		options := fargateCPUToMem[fargateCPU]
+		if cpu <= fargateCPU {
+			for _, m := range options {
+				if mem <= m*miB {
+					cpuLimit = strconv.FormatInt(fargateCPU, 10)
 					memLimit = strconv.FormatInt(int64(m), 10)
 					return cpuLimit, memLimit, nil
 				}
@@ -373,6 +367,27 @@ func toLimits(service types.ServiceConfig) (string, string, error) {
 	return "", "", fmt.Errorf("the resources requested are not supported by ECS/Fargate")
 }
 
+func getConfiguredLimits(service types.ServiceConfig) (types.UnitBytes, int64, error) {
+	if service.Deploy == nil {
+		return 0, 0, nil
+	}
+
+	limits := service.Deploy.Resources.Limits
+	if limits == nil {
+		return 0, 0, nil
+	}
+
+	if limits.NanoCPUs == "" {
+		return limits.MemoryBytes, 0, nil
+	}
+	v, err := opts.ParseCPUs(limits.NanoCPUs)
+	if err != nil {
+		return 0, 0, err
+	}
+
+	return limits.MemoryBytes, v / 1e6, nil
+}
+
 func toContainerReservation(service types.ServiceConfig) (string, int) {
 	cpuReservation := ".0"
 	memReservation := 0

ecs/sdk.go

@@ -92,7 +92,7 @@ func (s sdk) CheckRequirements(ctx context.Context, region string) error {
 	if *serviceLongArnFormat != "enabled" {
 		return fmt.Errorf("this tool requires the \"new ARN resource ID format\".\n"+
 			"Check https://%s.console.aws.amazon.com/ecs/home#/settings\n"+
-			"Learn more: https://aws.amazon.com/blogs/compute/migrating-your-amazon-ecs-deployment-to-the-new-arn-and-resource-ID-format-2", region)
+			"Learn more: https://aws.amazon.com/blogs/compute/migrating-your-amazon-ecs-deployment-to-the-new-arn-and-resource-id-format-2", region)
 	}
 	return nil
 }

ecs/tags.go

@@ -1,5 +1,5 @@
 /*
-   Copyright 2020 Docker, Inc.
+   Copyright 2020 Docker Compose CLI authors
 
    Licensed under the Apache License, Version 2.0 (the "License");
    you may not use this file except in compliance with the License.

ecs/testdata/simple/simple-cloudformation-conversion.golden

@@ -107,7 +107,7 @@
         ],
         "NetworkConfiguration": {
           "AwsvpcConfiguration": {
-            "AssignPublicIp": "DISABLED",
+            "AssignPublicIp": "ENABLED",
             "SecurityGroups": [
               {
                 "Ref": "TestSimpleConvertDefaultNetwork"