adding functions setfsuid and setfsgid

Did not add functional tests at the moment. This function requires
superuser privilege to execute

Change-Id: I35c0a6b3eba60586da64ccfb4dc818d403542f41
Signed-off-by: Thiago da Silva <thiago@redhat.com>

3 files changed, 50 insertions, 2 deletions

diff --git a/glusterfs/api.py b/glusterfs/api.py
index 6bc19ea..037c893 100755
--- a/glusterfs/api.py
+++ b/glusterfs/api.py
@@ -223,6 +223,12 @@ glfs_rmdir = ctypes.CFUNCTYPE(ctypes.c_int,
                               ctypes.c_void_p,
                               ctypes.c_char_p)(('glfs_rmdir', client))
 
+glfs_setfsuid = ctypes.CFUNCTYPE(ctypes.c_int,
+                                 ctypes.c_uint)(('glfs_setfsuid', client))
+
+glfs_setfsgid = ctypes.CFUNCTYPE(ctypes.c_int,
+                                 ctypes.c_uint)(('glfs_setfsgid', client))
+
 
 # TODO: creat and open fails on test_create_file_already_exists & test_open_file_not_exist functional testing, # noqa
 # when defined via function prototype.. Need to find RCA. For time being, using it from 'api.glfs_' # noqa
diff --git a/glusterfs/gfapi.py b/glusterfs/gfapi.py
index fc6bb27..16929df 100755
--- a/glusterfs/gfapi.py
+++ b/glusterfs/gfapi.py
@@ -177,8 +177,6 @@ class Dir(object):
 
 class Volume(object):
 
-    # Housekeeping functions.
-
     def __init__(self, host, volid, proto="tcp", port=24007):
         # Add a reference so the module-level variable "api" doesn't
         # get yanked out from under us (see comment above File def'n).
@@ -441,6 +439,20 @@ class Volume(object):
         except OSError as e:
             onerror(self.rmdir, path, e)
 
+    def setfsuid(self, uid):
+        ret = api.glfs_setfsuid(uid)
+        if ret < 0:
+            err = ctypes.get_errno()
+            raise OSError(err, os.strerror(err))
+        return ret
+
+    def setfsgid(self, gid):
+        ret = api.glfs_setfsgid(gid)
+        if ret < 0:
+            err = ctypes.get_errno()
+            raise OSError(err, os.strerror(err))
+        return ret
+
     def setxattr(self, path, key, value, vlen):
         ret = api.glfs_setxattr(self.fs, path, key, value, vlen, 0)
         if ret < 0:
diff --git a/test/unit/gluster/test_gfapi.py b/test/unit/gluster/test_gfapi.py
index 550ba79..f772b0d 100644
--- a/test/unit/gluster/test_gfapi.py
+++ b/test/unit/gluster/test_gfapi.py
@@ -761,6 +761,36 @@ class TestVolume(unittest.TestCase):
             mock_unlink.assert_called_once_with("dir1/file")
             mock_rmdir.assert_called_with("dir1")
 
+    def test_setfsuid_success(self):
+        mock_glfs_setfsuid = Mock()
+        mock_glfs_setfsuid.return_value = 0
+
+        with patch("glusterfs.gfapi.api.glfs_setfsuid", mock_glfs_setfsuid):
+            ret = self.vol.setfsuid(1000)
+            self.assertEquals(ret, 0)
+
+    def test_setfsuid_fail(self):
+        mock_glfs_setfsuid = Mock()
+        mock_glfs_setfsuid.return_value = -1
+
+        with patch("glusterfs.gfapi.api.glfs_setfsuid", mock_glfs_setfsuid):
+            self.assertRaises(OSError, self.vol.setfsuid, 1001)
+
+    def test_setfsgid_success(self):
+        mock_glfs_setfsgid = Mock()
+        mock_glfs_setfsgid.return_value = 0
+
+        with patch("glusterfs.gfapi.api.glfs_setfsgid", mock_glfs_setfsgid):
+            ret = self.vol.setfsgid(1000)
+            self.assertEquals(ret, 0)
+
+    def test_setfsgid_fail(self):
+        mock_glfs_setfsgid = Mock()
+        mock_glfs_setfsgid.return_value = -1
+
+        with patch("glusterfs.gfapi.api.glfs_setfsgid", mock_glfs_setfsgid):
+            self.assertRaises(OSError, self.vol.setfsgid, 1001)
+
     def test_setxattr_success(self):
         mock_glfs_setxattr = Mock()
         mock_glfs_setxattr.return_value = 0