Snapshot: Create many clones and verify volume list information

Create 10 clones of snapshot and verify gluster volume list
information

Change-Id: Ibd813680d1890e239deaf415469f7f4dccfa6867
Signed-off-by: srivickynesh <sselvan@redhat.com>

1 files changed, 166 insertions, 0 deletions

diff --git a/tests/functional/snapshot/test_snap_clone_from_snap.py b/tests/functional/snapshot/test_snap_clone_from_snap.py
new file mode 100644
index 000000000..8b8e46eda
--- /dev/null
+++ b/tests/functional/snapshot/test_snap_clone_from_snap.py
@@ -0,0 +1,166 @@
+#  Copyright (C) 2017-2018  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.
+
+"""
+Description:
+
+Test Cases in this module tests the
+Creation of clone volume from snapshot.
+"""
+
+from glusto.core import Glusto as g
+from glustolibs.gluster.exceptions import ExecutionError
+from glustolibs.gluster.gluster_base_class import GlusterBaseClass
+from glustolibs.gluster.gluster_base_class import runs_on
+from glustolibs.gluster.volume_ops import (volume_start,
+                                           get_volume_info, volume_list)
+from glustolibs.gluster.volume_libs import cleanup_volume
+from glustolibs.gluster.snap_ops import (snap_create,
+                                         snap_activate,
+                                         snap_clone)
+from glustolibs.misc.misc_libs import upload_scripts
+
+
+@runs_on([['replicated', 'distributed-replicated', 'dispersed',
+           'distributed-dispersed', 'distributed'],
+          ['glusterfs', 'nfs', 'cifs']])
+class SnapshotCloneValidate(GlusterBaseClass):
+
+    @classmethod
+    def setUpClass(cls):
+        GlusterBaseClass.setUpClass.im_func(cls)
+        cls.snap = "snap0"
+
+        # 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_local_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_local_path)
+        if not ret:
+            raise ExecutionError("Failed to upload IO scripts "
+                                 "to clients ")
+        g.log.info("Successfully uploaded IO scripts to clients %s")
+
+    def setUp(self):
+
+        GlusterBaseClass.setUpClass.im_func(self)
+        g.log.info("Starting to SetUp Volume")
+        ret = self.setup_volume_and_mount_volume(mounts=self.mounts)
+        if not ret:
+            raise ExecutionError("Failed to setup volume %s" % self.volname)
+        g.log.info("Volume %s has been setup successfully", self.volname)
+
+    def test_snap_clone_validate(self):
+
+        """
+        CloneSnapTest contains tests which verifies Clone volume
+        created from snapshot
+
+        Steps:
+
+        1. Create a volume
+        2. Mount the volume
+        3. Perform I/O on mount poit
+        4. Create a snapshot
+        5. Activate the snapshot created in step 4
+        6. Create 10 clones from snapshot created in step 4
+        7. Verify Information about the volumes
+           along with the original volume.
+        8. Validate total number of clone volumes and existing volume
+           with volume list
+        """
+
+        # write files on all mounts
+        g.log.info("Starting IO on all mounts...")
+        g.log.info("mounts: %s", self.mounts)
+        all_mounts_procs = []
+        for mount_obj in self.mounts:
+            cmd = ("python %s create_files "
+                   "-f 10 --base-file-name file %s" % (self.script_upload_path,
+                                                       mount_obj.mountpoint))
+            proc = g.run(self.clients[0], cmd)
+            all_mounts_procs.append(proc)
+        g.log.info("Successfully Performed I/O on all mount points")
+
+        # Creating snapshot:
+        g.log.info("Starting to Create snapshot")
+        ret, _, _ = snap_create(self.mnode, self.volname, self.snap)
+        self.assertEqual(ret, 0, ("Failed to create snapshot for volume %s"
+                                  % self.volname))
+        g.log.info("Snapshot snap1 created successfully for volume %s",
+                   self.volname)
+
+        # Activating snapshot
+        g.log.info("Starting to Activate Snapshot")
+        ret, _, _ = snap_activate(self.mnode, self.snap)
+        self.assertEqual(ret, 0, ("Failed to Activate snapshot %s"
+                                  % self.snap))
+        g.log.info("Snapshot %s activated successfully", self.snap)
+
+        # Creating and starting a Clone of snapshot:
+        g.log.info("Starting to Clone Snapshot")
+        for count in range(1, 11):
+            self.clone = "clone%s" % count
+            ret, _, _ = snap_clone(self.mnode, self.snap, self.clone)
+            self.assertEqual(ret, 0, "Failed to clone %s" % self.clone)
+            g.log.info("%s created successfully", self.clone)
+
+        # Start clone volumes
+        g.log.info("starting to Validate clone volumes are started")
+        for count in range(1, 11):
+            self.clone = "clone%s" % count
+            ret, _, _ = volume_start(self.mnode, self.clone)
+            self.assertEqual(ret, 0, ("Failed to start %s" % self.clone))
+            g.log.info("%s started successfully", self.clone)
+
+        # Validate Volume Started
+        g.log.info("Validating volume started")
+        for count in range(1, 11):
+            self.clone = "clone%s" % count
+            vol_info = get_volume_info(self.mnode, self.clone)
+            if vol_info[self.clone]['statusStr'] != 'Started':
+                raise ExecutionError("Volume %s failed to start" % self.clone)
+            g.log.info("Volume %s is in Started state", self.clone)
+
+        # validate with list information
+        # with 10 clone volume and 1 existing volume
+        g.log.info("Validating with list information")
+        ret, out, _ = volume_list(self.mnode)
+        vlist = out.strip().split('\n')
+        self.assertEqual(len(vlist), 11, "Failed to validate volume list")
+        g.log.info("Successfully validated volumes in list")
+
+    def tearDown(self):
+
+        # Cleanup and umount volume
+        g.log.info("Starting to cleanup volume %s", self.clone)
+        for count in range(1, 11):
+            self.clone = "clone%s" % count
+            ret = cleanup_volume(self.mnode, self.clone)
+            if not ret:
+                raise ExecutionError("Failed to Cleanup cloned volume")
+            g.log.info("successfully Unmount Volume and Cleanup Volume")
+
+        # Unmount and cleanup original volume
+        g.log.info("Starting to unmount and cleanup volume")
+        ret = self.unmount_volume_and_cleanup_volume(mounts=self.mounts)
+        if not ret:
+            raise ExecutionError("Failed to umount"
+                                 "the volume & cleanup Volume")
+        g.log.info("Successful in umounting the volume and Cleanup")