afr: test readlink fop

Polarion test case #RHG3-4094
Signed-off-by: Ravishankar N <ravishankar@redhat.com>

Change-Id: I1f7100ddb6697cfc8749f8cd2c29e14e9bfdb5ce

1 files changed, 125 insertions, 0 deletions

diff --git a/tests/functional/afr/test_readlink.py b/tests/functional/afr/test_readlink.py
new file mode 100644
index 000000000..0f2b34b65
--- /dev/null
+++ b/tests/functional/afr/test_readlink.py
@@ -0,0 +1,125 @@
+#  Copyright (C) 2015-2016  Red Hat, Inc. <http://www.redhat.com>
+#
+#  This program is free software; you can redistribute it and/or modify
+#  it under the terms of the GNU General Public License as published by
+#  the Free Software Foundation; either version 2 of the License, or
+#  any later version.
+#
+#  This program is distributed in the hope that it will be useful,
+#  but WITHOUT ANY WARRANTY; without even the implied warranty of
+#  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+#  GNU General Public License for more details.
+#
+#  You should have received a copy of the GNU General Public License along
+#  with this program; if not, write to the Free Software Foundation, Inc.,
+#  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+
+from glusto.core import Glusto as g
+from glustolibs.gluster.brick_libs import get_all_bricks
+from glustolibs.gluster.exceptions import ExecutionError
+from glustolibs.gluster.gluster_base_class import GlusterBaseClass, runs_on
+from glustolibs.misc.misc_libs import upload_scripts
+from glustolibs.gluster.glusterfile import get_file_stat
+
+
+@runs_on([['replicated'],
+          ['glusterfs']])
+class AfrReadlinkTest(GlusterBaseClass):
+    """
+    Description:
+        Test Case which tests the working of FOPS in AFR.
+    """
+    @classmethod
+    def setUpClass(cls):
+        # Calling GlusterBaseClass setUpClass
+        GlusterBaseClass.setUpClass.im_func(cls)
+
+        # Override replica count to be 3
+        if cls.volume_type == "replicated":
+            cls.volume['voltype'] = {
+                'type': 'replicated',
+                'replica_count': 3,
+                'transport': 'tcp'}
+
+        # Upload io scripts for running IO on mounts
+        g.log.info("Upload io scripts to clients %s for running IO on "
+                   "mounts", cls.clients)
+        script_abs_path = "/usr/share/glustolibs/io/scripts/file_dir_ops.py"
+        cls.script_upload_path = ("/usr/share/glustolibs/io/scripts/"
+                                  "file_dir_ops.py")
+        ret = upload_scripts(cls.clients, script_abs_path)
+        if not ret:
+            raise ExecutionError("Failed to upload IO scripts to clients")
+
+    def setUp(self):
+        # Calling GlusterBaseClass setUp
+        GlusterBaseClass.setUp.im_func(self)
+
+        # Setup Volume and Mount Volume
+        g.log.info("Starting to Setup Volume and Mount Volume")
+        ret = self.setup_volume_and_mount_volume(mounts=self.mounts,
+                                                 volume_create_force=False)
+        if not ret:
+            raise ExecutionError("Failed to Setup_Volume and Mount_Volume")
+        g.log.info("Successful in Setup Volume and Mount Volume")
+
+        self.bricks_list = get_all_bricks(self.mnode, self.volname)
+        self.assertIsNotNone(self.bricks_list, "unable to get list of bricks")
+
+    def tearDown(self):
+        # Cleanup and umount volume
+        g.log.info("Starting to Unmount Volume and Cleanup Volume")
+        ret = self.unmount_volume_and_cleanup_volume(mounts=self.mounts)
+        if not ret:
+            raise ExecutionError("Failed to umount the vol & cleanup Volume")
+        g.log.info("Successful in umounting the volume and Cleanup")
+
+        # Calling GlusterBaseClass teardown
+        GlusterBaseClass.tearDown.im_func(self)
+
+    def test_readlink(self):
+        # create file
+        g.log.info("Creating %s/file.txt", self.mounts[0].mountpoint)
+        cmd = ("echo 'hello_world' > %s/file.txt" % self.mounts[0].mountpoint)
+        ret, _, _ = g.run(self.clients[0], cmd)
+        self.assertEqual(ret, 0, "File creation failed")
+        g.log.info("Created %s/file.txt", self.mounts[0].mountpoint)
+
+        # create symlink
+        g.log.info("Creating %s/symlink.txt to %s/file.txt",
+                   self.mounts[0].mountpoint, self.mounts[0].mountpoint)
+        cmd = ("ln -s file.txt %s/symlink.txt" % self.mounts[0].mountpoint)
+        ret, _, _ = g.run(self.clients[0], cmd)
+        self.assertEqual(ret, 0, "symlink creation failed")
+        g.log.info("Created %s/symlink.txt to %s/file.txt",
+                   self.mounts[0].mountpoint, self.mounts[0].mountpoint)
+
+        # stat symlink on mount and verify file type and permission.
+        g.log.info("Checking file permissions")
+        path = ("%s/symlink.txt" % self.mounts[0].mountpoint)
+        stat_dict = get_file_stat(self.clients[0], path)
+        self.assertEqual(stat_dict['filetype'], 'symbolic link', "Expected "
+                         "symlink but found %s" % stat_dict['filetype'])
+        self.assertEqual(stat_dict['access'], '777', "Expected 777 "
+                         "but found %s" % stat_dict['access'])
+        g.log.info("File permissions for symlink.txt is 777 as expected")
+
+        # readlink to verify contents
+        g.log.info("Performing readlink on %s/symlink.txt",
+                   self.mounts[0].mountpoint)
+        cmd = ("readlink %s/symlink.txt" % self.mounts[0].mountpoint)
+        _, val, _ = g.run(self.clients[0], cmd)
+        content = val.strip()
+        self.assertEqual(content, "file.txt", "Readlink error:got %s"
+                         % content)
+        g.log.info("readlink returned 'file.txt' as expected")
+
+        # stat symlink on bricks and verify file type and permission.
+        g.log.info("Checking file type and permissions on bricks")
+        for brick in self.bricks_list:
+            node, path = brick.split(':')
+            filepath = path + "/symlink.txt"
+            stat_dict = get_file_stat(node, filepath)
+            self.assertEqual(stat_dict['filetype'], 'symbolic link', "Expected"
+                             " symlink but found %s" % stat_dict['filetype'])
+            g.log.info("file permission 777 for symlink.txt on %s", brick)