Add a jaas_ prefix to the service name

README.md

@@ -73,7 +73,7 @@ To remove the service after it completes, run with the `--remove` or `-r` flag:
 ```
 # jaas run --image alexellis2/href-counter:latest --env url=http://blog.alexellis.io/
 
-Service created: peaceful_shirley (uva6bcqyubm1b4c80dghjhb44)
+Service created: jaas_peaceful_shirley (uva6bcqyubm1b4c80dghjhb44)
 ID:  uva6bcqyubm1b4c80dghjhb44  Update at:  2017-03-14 22:19:54.381973142 +0000 UTC
 ...
 
@@ -86,6 +86,8 @@ Printing service logs
 Removing service...
 ```
 
+To help you identify services created with jaas, the service name will be prefixed with jaas.
+
 * Docker authentication for registries
 
 You can use `jaas` with Docker images in private registries or registries which require authentication.

cmd/run.go

@@ -16,6 +16,7 @@ import (
 	"github.com/docker/docker/api/types/filters"
 	"github.com/docker/docker/api/types/swarm"
 	"github.com/docker/docker/client"
+	"github.com/docker/docker/pkg/namesgenerator"
 
 	"github.com/spf13/cobra"
 )
@@ -127,7 +128,11 @@ func runTask(taskRequest TaskRequest) error {
 		spec.TaskTemplate.Placement = placement
 	}
 
-	createResponse, _ := c.ServiceCreate(context.Background(), spec, createOptions)
+	createResponse, err := c.ServiceCreate(context.Background(), spec, createOptions)
+	if err != nil {
+		fmt.Println(err)
+		os.Exit(1)
+	}
 	opts := types.ServiceInspectOptions{InsertDefaults: true}
 
 	service, _, _ := c.ServiceInspectWithRaw(context.Background(), createResponse.ID, opts)
@@ -153,6 +158,7 @@ func makeSpec(image string, envVars []string) swarm.ServiceSpec {
 			},
 		},
 	}
+	spec.Name = "jaas_" + namesgenerator.GetRandomName(0)
 	return spec
 }