1 files changed, 52 insertions, 0 deletions
diff --git a/pkg/driver/utils.go b/pkg/driver/utils.go
new file mode 100644
index 0000000..2334e27
--- /dev/null
+++ b/pkg/driver/utils.go
@@ -0,0 +1,52 @@
+package driver
+
+import (
+	"fmt"
+	"strings"
+
+	"github.com/container-storage-interface/spec/lib/go/csi"
+	"github.com/golang/glog"
+	"golang.org/x/net/context"
+	"google.golang.org/grpc"
+)
+
+func NewIdentityServer(d *SeaweedFsDriver) *IdentityServer {
+	return &IdentityServer{
+		Driver: d,
+	}
+}
+
+func NewControllerServer(d *SeaweedFsDriver) *ControllerServer {
+	return &ControllerServer{
+		Driver: d,
+	}
+}
+
+func NewControllerServiceCapability(cap csi.ControllerServiceCapability_RPC_Type) *csi.ControllerServiceCapability {
+	return &csi.ControllerServiceCapability{
+		Type: &csi.ControllerServiceCapability_Rpc{
+			Rpc: &csi.ControllerServiceCapability_RPC{
+				Type: cap,
+			},
+		},
+	}
+}
+
+func ParseEndpoint(ep string) (string, string, error) {
+	if strings.HasPrefix(strings.ToLower(ep), "unix://") || strings.HasPrefix(strings.ToLower(ep), "tcp://") {
+		s := strings.SplitN(ep, "://", 2)
+		if s[1] != "" {
+			return s[0], s[1], nil
+		}
+	}
+	return "", "", fmt.Errorf("Invalid endpoint: %v", ep)
+}
+
+func logGRPC(ctx context.Context, req interface{}, info *grpc.UnaryServerInfo, handler grpc.UnaryHandler) (interface{}, error) {
+	glog.V(3).Infof("GRPC call: %s", info.FullMethod)
+	resp, err := handler(ctx, req)
+	if err != nil {
+		glog.Errorf("GRPC error: %v", err)
+	}
+	return resp, err
+}