From c44ab12c86689065978950d2ed92bb131b2a932c Mon Sep 17 00:00:00 2001
From: Alexander Morozov <lk4d4@docker.com>
Date: Wed, 11 Mar 2015 11:44:56 -0700
Subject: [PATCH] Add information Type method for Factory

Signed-off-by: Alexander Morozov <lk4d4@docker.com>
---
 factory.go            | 3 +++
 factory_linux.go      | 4 ++++
 factory_linux_test.go | 4 ++++
 3 files changed, 11 insertions(+)

diff --git a/factory.go b/factory.go
index 37e629645..0c9fa63a3 100644
--- a/factory.go
+++ b/factory.go
@@ -41,4 +41,7 @@ type Factory interface {
 	// pipe connection error
 	// system error
 	StartInitialization(pipefd uintptr) error
+
+	// Type returns info string about factory type (e.g. lxc, libcontainer...)
+	Type() string
 }
diff --git a/factory_linux.go b/factory_linux.go
index 468398c01..ecd3dd5c9 100644
--- a/factory_linux.go
+++ b/factory_linux.go
@@ -172,6 +172,10 @@ func (l *LinuxFactory) Load(id string) (Container, error) {
 	}, nil
 }
 
+func (l *LinuxFactory) Type() string {
+	return "libcontainer"
+}
+
 // StartInitialization loads a container by opening the pipe fd from the parent to read the configuration and state
 // This is a low level implementation detail of the reexec and should not be consumed externally
 func (l *LinuxFactory) StartInitialization(pipefd uintptr) (err error) {
diff --git a/factory_linux_test.go b/factory_linux_test.go
index 19fc77ba5..968f6a965 100644
--- a/factory_linux_test.go
+++ b/factory_linux_test.go
@@ -43,6 +43,10 @@ func TestFactoryNew(t *testing.T) {
 	if lfactory.Root != root {
 		t.Fatalf("expected factory root to be %q but received %q", root, lfactory.Root)
 	}
+
+	if factory.Type() != "libcontainer" {
+		t.Fatalf("unexpected factory type: %q, expected %q", factory.Type(), "libcontainer")
+	}
 }
 
 func TestFactoryLoadNotExists(t *testing.T) {