[WIP] Adding mount options to functions.

gateway/handlers/createhandler.go

@@ -93,6 +93,7 @@ func makeSpec(request *requests.CreateFunctionRequest, maxRestarts uint64, resta
 			},
 			ContainerSpec: swarm.ContainerSpec{
 				Image:  request.Image,
+				Mounts: request.Mounts,
 				Labels: labels,
 			},
 			Networks: nets,

gateway/requests/requests.go

@@ -3,6 +3,8 @@
 
 package requests
 
+import  "github.com/docker/docker/api/types/mount"
+
 // CreateFunctionRequest create a function in the swarm.
 type CreateFunctionRequest struct {
 	// Service corresponds to a Docker Service
@@ -31,7 +33,10 @@ type CreateFunctionRequest struct {
 	// Secrets list of secrets to be made available to function
 	Secrets []string `json:"secrets"`
 
-	// Labels are metadata for functions which may be used by the
+	// Mounts to be mounted by the container running the function
+	Mounts []mount.Mount `json:"mounts,omitempty"`
+
+        // Labels are metadata for functions which may be used by the
 	// back-end for making scheduling or routing decisions
 	Labels *map[string]string `json:"labels"`
 }

gateway/tests/integration/createfunction_test.go

@@ -10,6 +10,7 @@ import (
 	"testing"
 
 	"github.com/openfaas/faas/gateway/requests"
+	"github.com/docker/docker/api/types/mount"
 )
 
 func createFunction(request requests.CreateFunctionRequest) (string, int, error) {
@@ -46,6 +47,43 @@ func TestCreate_ValidRequest(t *testing.T) {
 	deleteFunction("test_resizer")
 }
 
+func TestCreate_ValidMountRequest(t *testing.T) {
+	mounts := []mount.Mount{
+		mount.Mount{
+			Type: "volume",
+			Source: "Test1",
+			Target: "/tmp",
+		},
+		mount.Mount{
+			Type: "bind",
+			Source: "/tmp",
+			Target: "/tmp",
+		},
+	}
+	request := requests.CreateFunctionRequest{
+		Service:    "test_resizer",
+		Image:      "functions/resizer",
+		Network:    "func_functions",
+		Mounts:		mounts,
+		EnvProcess: "",
+	}
+
+	_, code, err := createFunction(request)
+
+	if err != nil {
+		t.Log(err)
+		t.Fail()
+	}
+
+	expectedErrorCode := http.StatusOK
+	if code != expectedErrorCode {
+		t.Errorf("Got HTTP code: %d, want %d\n", code, expectedErrorCode)
+		return
+	}
+
+	deleteFunction("test_resizer")
+}
+
 func TestCreate_InvalidImage(t *testing.T) {
 	request := requests.CreateFunctionRequest{
 		Service:    "test_resizer",