# Copyright (C) 2016-2017 Red Hat, Inc. # # 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 from snapshot of one volume. """ 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.mount_ops import mount_volume, umount_volume from glustolibs.gluster.volume_ops import (get_volume_info, volume_reset, volume_start, set_volume_options, get_volume_options) from glustolibs.gluster.volume_libs import ( cleanup_volume, verify_all_process_of_volume_are_online) from glustolibs.gluster.snap_ops import (snap_create, snap_activate, snap_list, snap_clone) @runs_on([['replicated', 'distributed-replicated', 'dispersed', 'distributed', 'distributed-dispersed'], ['glusterfs', 'nfs', 'cifs']]) class CloneSnapshot(GlusterBaseClass): """ CloneSnapTest contains tests which verifies snapshot clone, creating snapshot and performing I/O on mountpoints """ def setUp(self): # SettingUp volume and Mounting the volume 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_clone_delete_snap(self): """ clone from snap of one volume * Create and Mount the volume * Enable some volume options * Creating 2 snapshots and activate * reset the volume * create a clone of snapshots created * Mount both the clones * Perform I/O on mount point * Check volume options of cloned volumes * Create snapshot of the cloned snapshot volume * cleanup snapshots and volumes """ # pylint: disable=too-many-statements, too-many-locals # Enabling Volume options on the volume and validating g.log.info("Enabling volume options for volume %s ", self.volname) options = {" features.uss": "enable"} ret = set_volume_options(self.mnode, self.volname, options) self.assertTrue(ret, ("Failed to set volume options for volume %s" % self.volname)) g.log.info("Successfully set volume options" "for volume %s", self.volname) # Validate feature.uss enabled or not g.log.info("Validating feature.uss is enabled") option = "features.uss" vol_option = get_volume_options(self.mnode, self.volname, option) self.assertEqual(vol_option['features.uss'], 'enable', "Failed" " to validate " "volume options") g.log.info("Successfully validated volume options" "for volume %s", self.volname) # Creating snapshot g.log.info("Starting to Create snapshot") for snap_count in range(0, 2): ret, _, _ = snap_create(self.mnode, self.volname, "snap%s" % snap_count) self.assertEqual(ret, 0, ("Failed to create snapshot for volume %s" % self.volname)) g.log.info("Snapshot snap%s created successfully" "for volume %s", snap_count, self.volname) # Activating snapshot g.log.info("Starting to Activate Snapshot") for snap_count in range(0, 2): ret, _, _ = snap_activate(self.mnode, "snap%s" % snap_count) self.assertEqual(ret, 0, ("Failed to Activate snapshot snap%s" % snap_count)) g.log.info("Snapshot snap%s activated successfully", snap_count) # Reset volume: g.log.info("Starting to Reset Volume") ret, _, _ = volume_reset(self.mnode, self.volname, force=False) self.assertEqual(ret, 0, ("Failed to reset volume %s" % self.volname)) g.log.info("Reset Volume on volume %s is Successful", self.volname) # Validate feature.uss enabled or not g.log.info("Validating feature.uss is enabled") option = "features.uss" vol_option = get_volume_options(self.mnode, self.volname, option) self.assertEqual(vol_option['features.uss'], 'off', "Failed" " to validate " "volume options") g.log.info("Successfully validated volume options" "for volume %s", self.volname) # Verify volume's all process are online g.log.info("Starting to Verify volume's all process are online") ret = verify_all_process_of_volume_are_online(self.mnode, self.volname) self.assertTrue(ret, ("Volume %s : All process are" "not online" % self.volname)) g.log.info("Volume %s : All process are online", self.volname) # Creating and starting a Clone of snapshot g.log.info("Starting to Clone Snapshot") for clone_count in range(0, 2): ret, _, _ = snap_clone(self.mnode, "snap%s" % clone_count, "clone%s" % clone_count) self.assertEqual(ret, 0, ("Failed to clone clone%s volume" % clone_count)) g.log.info("clone%s volume created successfully", clone_count) # Start Cloned volume g.log.info("starting to Validate clone volumes are started") for clone_count in range(0, 2): ret, _, _ = volume_start(self.mnode, "clone%s" % clone_count) self.assertEqual(ret, 0, ("Failed to start clone%s" % clone_count)) g.log.info("clone%s started successfully", clone_count) g.log.info("All the clone volumes are started Successfully") # Validate Volume start of cloned volume g.log.info("Starting to Validate Volume start") for clone_count in range(0, 2): vol_info = get_volume_info(self.mnode, "clone%s" % clone_count) if vol_info["clone%s" % clone_count]['statusStr'] != 'Started': raise ExecutionError("Failed to get volume info for clone%s" % clone_count) g.log.info("Volume clone%s is in Started state", clone_count) # Validate feature.uss enabled or not g.log.info("Validating feature.uss is enabled") option = "features.uss" for clone_count in range(0, 2): vol_option = get_volume_options(self.mnode, "clone%s" % clone_count, option) self.assertEqual(vol_option['features.uss'], 'enable', "Failed" " to validate" "volume options") g.log.info("Successfully validated volume options" "for volume clone%s", clone_count) # Mount both the cloned volumes g.log.info("Mounting Cloned Volumes") for mount_obj in range(0, 2): self.mpoint = "/mnt/clone%s" % mount_obj cmd = "mkdir -p %s" % self.mpoint ret, _, _ = g.run(self.clients[0], cmd) self.assertEqual(ret, 0, ("Creation of directory %s" "for mounting" "volume %s failed: Directory already" "present" % (self.mpoint, "clone%s" % mount_obj))) g.log.info("Creation of directory %s for mounting volume %s " "success", self.mpoint, ("clone%s" % mount_obj)) ret, _, _ = mount_volume("clone%s" % mount_obj, self.mount_type, self.mpoint, self.mnode, self.clients[0]) self.assertEqual(ret, 0, ("clone%s is not mounted" % mount_obj)) g.log.info("clone%s is mounted Successfully", mount_obj) # Perform I/O on mount # Start I/O on all mounts g.log.info("Starting to Perform I/O on Mountpoint") all_mounts_procs = [] for mount_obj in range(0, 2): cmd = ("cd /mnt/clone%s/; for i in {1..10};" "do touch file$i; done; cd;") % mount_obj proc = g.run(self.clients[0], cmd) all_mounts_procs.append(proc) g.log.info("I/O on mountpoint is Successfull") # create snapshot g.log.info("Starting to Create snapshot of clone volume") ret0, _, _ = snap_create(self.mnode, "clone0", "snap2") self.assertEqual(ret0, 0, "Failed to create the snapshot" "snap2 from clone0") g.log.info("Snapshots snap2 created successfully from clone0") ret1, _, _ = snap_create(self.mnode, "clone1", "snap3") self.assertEqual(ret1, 0, "Failed to create the snapshot snap3" "from clone1") g.log.info("Snapshots snap3 created successfully from clone1") # Listing all Snapshots present g.log.info("Starting to list all snapshots") ret, _, _ = snap_list(self.mnode) self.assertEqual(ret, 0, ("Failed to list snapshots present")) g.log.info("Snapshots successfully listed") def tearDown(self): # Unmount Cloned volume g.log.info("Starting to Unmount Cloned volume") for count in range(0, 2): self.mpoint = "/mnt/clone%s" % count ret, _, _ = umount_volume(self.clients[0], self.mpoint, self.mount_type) if ret == 1: raise ExecutionError("Unmounting the moint point %s failed" % self.mpoint) g.log.info("Mount point %s deleted successfully", self.mpoint) g.log.info("Unmount Volume Successful") # Cleanup Cloned Volumes g.log.info("Starting to cleanup cloned volumes") for clone_count in range(0, 2): ret = cleanup_volume(self.mnode, "clone%s" % clone_count) if not ret: raise ExecutionError("Failed to cleanup clone%s volume" % clone_count) g.log.info("Successful in clone%s volume cleanup", clone_count) # Unmount and cleanup-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 Unmount and Cleanup Volume") g.log.info("Cleanup Volume Successfully")