Split API interface by required SDK func per command

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

ecs/cmd/main/main.go

@@ -98,7 +98,7 @@ func ConvertCommand(clusteropts *clusterOptions, projectOpts *compose.ProjectOpt
 			if err != nil {
 				return err
 			}
-			template, err := client.Convert(project, opts.LoadBalancerArn())
+			template, err := client.Convert(project)
 			if err != nil {
 				return err
 			}
@@ -124,7 +124,7 @@ func UpCommand(clusteropts *clusterOptions, projectOpts *compose.ProjectOptions)
 			if err != nil {
 				return err
 			}
-			return client.ComposeUp(project, opts.LoadBalancerArn())
+			return client.ComposeUp(project)
 		}),
 	}
 	cmd.Flags().StringVar(&opts.loadBalancerArn, "load-balancer", "", "")

ecs/pkg/amazon/api.go

@@ -1,22 +1,7 @@
 package amazon
 
-import (
-	"github.com/awslabs/goformation/v4/cloudformation"
-)
-
 type API interface {
-	ClusterExists(name string) (bool, error)
-	CreateCluster(name string) (string, error)
-	DeleteCluster(name string) error
-
-	GetDefaultVPC() (string, error)
-	GetSubNets(vpcId string) ([]string, error)
-
-	ListRolesForPolicy(policy string) ([]string, error)
-	GetRoleArn(name string) (string, error)
-
-	StackExists(name string) (bool, error)
-	CreateStack(name string, template *cloudformation.Template) error
-	DescribeStackEvents(stack string) error
-	DeleteStack(name string) error
+	downAPI
+	upAPI
+	convertAPI
 }

ecs/pkg/amazon/cloudformation.go

@@ -2,9 +2,10 @@ package amazon
 
 import (
 	"fmt"
+	"strings"
+
 	"github.com/compose-spec/compose-go/types"
 	"github.com/sirupsen/logrus"
-	"strings"
 
 	ecsapi "github.com/aws/aws-sdk-go/service/ecs"
 	"github.com/awslabs/goformation/v4/cloudformation"
@@ -14,7 +15,7 @@ import (
 	"github.com/docker/ecs-plugin/pkg/convert"
 )
 
-func (c client) Convert(project *compose.Project, loadBalancerArn *string) (*cloudformation.Template, error) {
+func (c client) Convert(project *compose.Project) (*cloudformation.Template, error) {
 	template := cloudformation.NewTemplate()
 	vpc, err := c.api.GetDefaultVPC()
 	if err != nil {
@@ -113,3 +114,10 @@ func (c client) GetEcsTaskExecutionRole(spec types.ServiceConfig) (string, error
 	defaultTaskExecutionRole = arn
 	return arn, nil
 }
+
+type convertAPI interface {
+	GetDefaultVPC() (string, error)
+	GetSubNets(vpcId string) ([]string, error)
+	ListRolesForPolicy(policy string) ([]string, error)
+	GetRoleArn(name string) (string, error)
+}

ecs/pkg/amazon/down.go

@@ -11,7 +11,6 @@ func (c *client) ComposeDown(projectName *string, keepLoadBalancer, deleteCluste
 	}
 	fmt.Printf("Delete stack ")
 
-
 	if !deleteCluster {
 		return nil
 	}
@@ -23,3 +22,8 @@ func (c *client) ComposeDown(projectName *string, keepLoadBalancer, deleteCluste
 	fmt.Printf("... done. \n")
 	return nil
 }
+
+type downAPI interface {
+	DeleteStack(name string) error
+	DeleteCluster(name string) error
+}

ecs/pkg/amazon/down_test.go

@@ -1,10 +1,11 @@
 package amazon
 
 import (
+	"testing"
+
 	"github.com/docker/ecs-plugin/pkg/amazon/mock"
 	"github.com/docker/ecs-plugin/pkg/compose"
 	"github.com/golang/mock/gomock"
-	"testing"
 )
 
 func Test_down_dont_delete_cluster(t *testing.T) {
@@ -22,7 +23,7 @@ func Test_down_dont_delete_cluster(t *testing.T) {
 
 	c.ComposeDown(&compose.Project{
 		Name: "test_project",
-	}, false, false)
+	}, false)
 }
 
 func Test_down_delete_cluster(t *testing.T) {
@@ -41,5 +42,5 @@ func Test_down_delete_cluster(t *testing.T) {
 
 	c.ComposeDown(&compose.Project{
 		Name: "test_project",
-	}, false, true)
+	}, true)
 }

ecs/pkg/amazon/up.go

@@ -2,10 +2,12 @@ package amazon
 
 import (
 	"fmt"
+
+	"github.com/awslabs/goformation/v4/cloudformation"
 	"github.com/docker/ecs-plugin/pkg/compose"
 )
 
-func (c *client) ComposeUp(project *compose.Project, loadBalancerArn *string) error {
+func (c *client) ComposeUp(project *compose.Project) error {
 	ok, err := c.api.ClusterExists(c.Cluster)
 	if err != nil {
 		return err
@@ -18,7 +20,7 @@ func (c *client) ComposeUp(project *compose.Project, loadBalancerArn *string) er
 		return fmt.Errorf("we do not (yet) support updating an existing CloudFormation stack")
 	}
 
-	template, err := c.Convert(project, loadBalancerArn)
+	template, err := c.Convert(project)
 	if err != nil {
 		return err
 	}
@@ -33,3 +35,11 @@ func (c *client) ComposeUp(project *compose.Project, loadBalancerArn *string) er
 	// TODO monitor progress
 	return nil
 }
+
+type upAPI interface {
+	ClusterExists(name string) (bool, error)
+	CreateCluster(name string) (string, error)
+	StackExists(name string) (bool, error)
+	CreateStack(name string, template *cloudformation.Template) error
+	DescribeStackEvents(stack string) error
+}