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# Copyright (C) 2013, 2015 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
# (at your option) 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.
import unittest
import os
import logging
from tests import utils
from virtinst import Cloner
ORIG_NAME = "clone-orig"
CLONE_NAME = "clone-new"
# Create some files to use as test images
FILE1 = "/tmp/virtinst-test1.img"
FILE2 = "/tmp/virtinst-test2.img"
P1_VOL1 = "/dev/default-pool/testvol1.img"
P1_VOL2 = "/dev/default-pool/testvol2.img"
P2_VOL1 = "/dev/cross-pool/testvol1.img"
P2_VOL2 = "/dev/cross-pool/testvol2.img"
POOL1 = "/dev/default-pool"
POOL2 = "/dev/cross-pool"
DISKPOOL = "/dev/disk-pool"
local_files = [FILE1, FILE2]
clonexml_dir = os.path.join(os.getcwd(), "tests/clone-xml")
class TestClone(unittest.TestCase):
def setUp(self):
for f in local_files:
os.system("touch %s" % f)
def tearDown(self):
for f in local_files:
os.unlink(f)
def _clone(self, filebase, disks=None, force_list=None,
skip_list=None, compare=True, conn=None,
clone_disks_file=None):
"""Helper for comparing clone input/output from 2 xml files"""
infile = os.path.join(clonexml_dir, filebase + "-in.xml")
in_content = utils.read_file(infile)
if not conn:
conn = utils.URIs.open_testdriver_cached()
cloneobj = Cloner(conn)
cloneobj.original_xml = in_content
for force in force_list or []:
cloneobj.force_target = force
for skip in skip_list or []:
cloneobj.skip_target = skip
cloneobj = self._default_clone_values(cloneobj, disks)
if compare:
self._clone_compare(cloneobj, filebase,
clone_disks_file=clone_disks_file)
self._clone_define(filebase)
else:
cloneobj.setup_original()
cloneobj.setup_clone()
def _default_clone_values(self, cloneobj, disks=None):
"""Sets default values for the cloned VM."""
cloneobj.clone_name = "clone-new"
cloneobj.clone_uuid = "12345678-1234-1234-1234-123456789012"
cloneobj.clone_macs = ["22:23:45:67:89:00", "22:23:45:67:89:01"]
if disks is None:
disks = ["/dev/disk-pool/disk-vol1", "/tmp/clone2.img",
"/clone3", "/tmp/clone4.img",
"/tmp/clone5.img", None]
cloneobj.clone_paths = disks
return cloneobj
def _clone_compare(self, cloneobj, outbase, clone_disks_file=None):
"""Helps compare output from passed clone instance with an xml file"""
outfile = os.path.join(clonexml_dir, outbase + "-out.xml")
cloneobj.setup_original()
cloneobj.setup_clone()
utils.diff_compare(cloneobj.clone_xml, outfile)
if clone_disks_file:
xml_clone_disks = ""
for i in cloneobj.clone_disks:
xml_clone_disks += i.get_vol_install().get_xml_config()
utils.diff_compare(xml_clone_disks, clone_disks_file)
def _clone_define(self, filebase):
"""Take the valid output xml and attempt to define it on the
connection to ensure we don't get any errors"""
outfile = os.path.join(clonexml_dir, filebase + "-out.xml")
outxml = utils.read_file(outfile)
conn = utils.URIs.open_testdriver_cached()
utils.test_create(conn, outxml)
def testRemoteNoStorage(self):
"""Test remote clone where VM has no storage that needs cloning"""
conn = utils.URIs.open_test_remote()
self._clone("nostorage", conn=conn)
self._clone("noclone-storage", conn=conn)
def testRemoteWithStorage(self):
"""
Test remote clone with storage needing cloning. Should fail,
since libvirt has no storage clone api.
"""
conn = utils.URIs.open_test_remote()
disks = ["%s/1.img" % POOL1, "%s/2.img" % POOL1]
try:
self._clone("general-cfg", disks=disks, conn=conn)
# We shouldn't succeed, so test fails
raise AssertionError("Remote clone with storage passed "
"when it shouldn't.")
except (ValueError, RuntimeError) as e:
# Exception expected
logging.debug("Received expected exception: %s", str(e))
def testCloneStorageManaged(self):
disks = ["%s/new1.img" % POOL1, "%s/new2.img" % DISKPOOL]
self._clone("managed-storage", disks=disks)
def testCloneStorageCrossPool(self):
conn = utils.URIs.open_test_remote()
clone_disks_file = os.path.join(
clonexml_dir, "cross-pool-disks-out.xml")
disks = ["%s/new1.img" % POOL2, "%s/new2.img" % POOL1]
self._clone("cross-pool", disks=disks,
clone_disks_file=clone_disks_file, conn=conn)
def testCloneStorageForce(self):
disks = ["/dev/default-pool/1234.img", None, "/clone2.img"]
self._clone("force", disks=disks, force_list=["hda", "fdb", "sdb"])
def testCloneStorageSkip(self):
disks = ["/dev/default-pool/1234.img", None, "/tmp/clone2.img"]
skip_list = ["hda", "fdb"]
self._clone("skip", disks=disks, skip_list=skip_list)
def testCloneFullPool(self):
try:
self._clone("fullpool",
disks=["/full-pool/test.img"], compare=False)
except Exception:
return
raise AssertionError("Expected exception, but none raised.")
def testCloneNvramAuto(self):
self._clone("nvram-auto")
def testCloneNvramNewpool(self):
self._clone("nvram-newpool")
def testCloneGraphicsPassword(self):
self._clone("graphics-password")
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