ecs cluster create

Signed-off-by: aiordache <anca.iordache@docker.com>

ecs/pkg/amazon/down.go

@@ -12,7 +12,7 @@ func (c *client) ComposeDown(project *compose.Project, keepLoadBalancer bool) er
 	if err != nil {
 		return err
 	}
-
+	c.DeleteCluster()
 	// TODO monitor progress
 	return nil
 }

ecs/pkg/amazon/ecs.go

@@ -1,6 +1,9 @@
 package amazon
 
 import (
+	"errors"
+	"strings"
+
 	"github.com/aws/aws-sdk-go/service/ecs"
 	"github.com/sirupsen/logrus"
 )
@@ -13,3 +16,37 @@ func (c client) RegisterTaskDefinition(task *ecs.RegisterTaskDefinitionInput) (*
 	}
 	return def.TaskDefinition.TaskDefinitionArn, err
 }
+
+func (c client) CreateCluster() (*string, error) {
+	logrus.Debug("Create cluster ", c.Cluster)
+	response, err := c.ECS.CreateCluster(&ecs.CreateClusterInput{ClusterName: &c.Cluster})
+	if err != nil {
+		return nil, err
+	}
+	return response.Cluster.Status, nil
+}
+
+func (c client) DeleteCluster() error {
+	logrus.Debug("Delete cluster ", c.Cluster)
+	response, err := c.ECS.DeleteCluster(&ecs.DeleteClusterInput{Cluster: &c.Cluster})
+	if err != nil {
+		return err
+	}
+	if *response.Cluster.Status == "INACTIVE" {
+		return nil
+	}
+	return errors.New("Failed to delete cluster, status: " + *response.Cluster.Status)
+}
+
+func (c client) ClusterExists() (bool, error) {
+	logrus.Debug("Check if cluster was already created: ", c.Cluster)
+	clusters, err := c.ECS.ListClusters(nil)
+	if err != nil {
+		return false, err
+	}
+	found := false
+	for _, arn := range clusters.ClusterArns {
+		found = found || strings.HasSuffix(*arn, "/"+c.Cluster)
+	}
+	return found, nil
+}

ecs/pkg/amazon/up.go

@@ -10,6 +10,13 @@ import (
 )
 
 func (c *client) ComposeUp(project *compose.Project, loadBalancerArn *string) error {
+	ok, err := c.ClusterExists()
+	if err != nil {
+		return err
+	}
+	if !ok {
+		c.CreateCluster()
+	}
 	template, err := c.Convert(project, loadBalancerArn)
 	if err != nil {
 		return err