virt-manager/tests/storage.py

239 lines
7.9 KiB
Python

#
# 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 os
import unittest
import virtinst.Storage
from virtinst.Storage import StoragePool, StorageVolume
from tests import utils
import libvirt
# pylint: disable=W0212
# Access to protected member, needed to unittest stuff
basepath = os.path.join(os.getcwd(), "tests", "storage-xml")
def generate_uuid_from_string(msg):
res = msg.split("-", 1)
if len(res) > 1:
# Split off common prefix
msg = res[1]
numstr = ""
for c in msg:
numstr += str(ord(c))
numstr *= 32
numstr = numstr[0:32]
return numstr
def _findFreePoolName(conn, namebase):
i = 0
while True:
poolname = namebase + "-%d" % i
try:
StorageVolume.lookup_pool_by_name(conn=conn, pool_name=poolname)
i += 1
except:
return poolname
def createPool(conn, ptype, poolname=None, fmt=None, target_path=None,
source_path=None, source_name=None, uuid=None, iqn=None):
poolclass = StoragePool.get_pool_class(ptype)
if poolname is None:
poolname = _findFreePoolName(conn, str(ptype) + "-pool")
if uuid is None:
uuid = generate_uuid_from_string(poolname)
pool_inst = poolclass(conn=conn, name=poolname, uuid=uuid)
if hasattr(pool_inst, "host"):
pool_inst.host = "some.random.hostname"
if hasattr(pool_inst, "source_path"):
pool_inst.source_path = source_path or "/some/source/path"
if hasattr(pool_inst, "target_path"):
pool_inst.target_path = target_path or "/some/target/path"
if fmt and hasattr(pool_inst, "format"):
pool_inst.format = fmt
if source_name and hasattr(pool_inst, "source_name"):
pool_inst.source_name = source_name
if iqn and hasattr(pool_inst, "iqn"):
pool_inst.iqn = iqn
return poolCompare(pool_inst)
def poolCompare(pool_inst):
filename = os.path.join(basepath, pool_inst.name + ".xml")
out_expect = pool_inst.get_xml_config()
if not os.path.exists(filename):
open(filename, "w").write(out_expect)
utils.diff_compare(out_expect, filename)
return pool_inst.install(build=True, meter=None, create=True)
def createVol(poolobj, volname=None, input_vol=None, clone_vol=None):
volclass = StorageVolume.get_volume_for_pool(pool_object=poolobj)
if volname is None:
volname = poolobj.name() + "-vol"
alloc = 5 * 1024 * 1024 * 1024
cap = 10 * 1024 * 1024 * 1024
vol_inst = volclass(name=volname, capacity=cap, allocation=alloc,
pool=poolobj)
perms = {}
perms["mode"] = 0700
perms["owner"] = 10736
perms["group"] = 10736
vol_inst.perms = perms
if input_vol or clone_vol:
if not virtinst.Storage.is_create_vol_from_supported(poolobj._conn):
return
if input_vol:
vol_inst.input_vol = input_vol
elif clone_vol:
vol_inst = virtinst.Storage.CloneVolume(volname, clone_vol)
filename = os.path.join(basepath, vol_inst.name + ".xml")
# Make sure permissions are properly set
utils.diff_compare(vol_inst.get_xml_config(), filename)
return vol_inst.install(meter=False)
class TestStorage(unittest.TestCase):
def setUp(self):
self.conn = libvirt.open("test:///default")
def testDirPool(self):
poolobj = createPool(self.conn, StoragePool.TYPE_DIR, "pool-dir")
invol = createVol(poolobj)
createVol(poolobj, volname=invol.name() + "input", input_vol=invol)
createVol(poolobj, volname=invol.name() + "clone", clone_vol=invol)
def testFSPool(self):
poolobj = createPool(self.conn, StoragePool.TYPE_FS, "pool-fs")
invol = createVol(poolobj)
createVol(poolobj, volname=invol.name() + "input", input_vol=invol)
createVol(poolobj, volname=invol.name() + "clone", clone_vol=invol)
def testNetFSPool(self):
poolobj = createPool(self.conn, StoragePool.TYPE_NETFS, "pool-netfs")
invol = createVol(poolobj)
createVol(poolobj, volname=invol.name() + "input", input_vol=invol)
createVol(poolobj, volname=invol.name() + "clone", clone_vol=invol)
def testLVPool(self):
poolobj = createPool(self.conn, StoragePool.TYPE_LOGICAL,
"pool-logical")
invol = createVol(poolobj)
createVol(poolobj, volname=invol.name() + "input", input_vol=invol)
createVol(poolobj, volname=invol.name() + "clone", clone_vol=invol)
# Test parsing source name for target path
createPool(self.conn, StoragePool.TYPE_LOGICAL,
"pool-logical-target-srcname",
target_path="/dev/vgfoobar")
# Test with source name
createPool(self.conn, StoragePool.TYPE_LOGICAL, "pool-logical-srcname",
source_name="vgname")
# Test creating with many devices
createPool(self.conn, StoragePool.TYPE_LOGICAL, "pool-logical-manydev",
source_path=["/tmp/path1", "/tmp/path2", "/tmp/path3"],
target_path=None)
def testDiskPool(self):
poolobj = createPool(self.conn, StoragePool.TYPE_DISK,
"pool-disk", fmt="dos")
invol = createVol(poolobj)
createVol(poolobj, volname=invol.name() + "input", input_vol=invol)
createVol(poolobj, volname=invol.name() + "clone", clone_vol=invol)
def testISCSIPool(self):
poolobj = createPool(self.conn, StoragePool.TYPE_ISCSI, "pool-iscsi")
# Not supported
#volobj = createVol(poolobj)
self.assertRaises(RuntimeError, createVol, poolobj)
createPool(self.conn, StoragePool.TYPE_ISCSI, "pool-iscsi-iqn",
iqn="foo.bar.baz.iqn")
def testSCSIPool(self):
poolobj = createPool(self.conn, StoragePool.TYPE_SCSI, "pool-scsi")
# Not supported
#volobj = createVol(poolobj)
self.assertRaises(RuntimeError, createVol, poolobj)
def testMpathPool(self):
poolobj = createPool(self.conn, StoragePool.TYPE_MPATH, "pool-mpath")
# Not supported
#volobj = createVol(poolobj)
self.assertRaises(RuntimeError, createVol, poolobj)
def _enumerateCompare(self, pool_list):
for pool in pool_list:
pool.name = pool.name + str(pool_list.index(pool))
pool.uuid = generate_uuid_from_string(pool.name)
poolCompare(pool)
def testEnumerateLogical(self):
name = "pool-logical-list"
lst = StoragePool.pool_list_from_sources(self.conn, name,
StoragePool.TYPE_LOGICAL)
self._enumerateCompare(lst)
def testEnumerateNetFS(self):
name = "pool-netfs-list"
host = "example.com"
lst = StoragePool.pool_list_from_sources(self.conn, name,
StoragePool.TYPE_NETFS,
host=host)
self._enumerateCompare(lst)
def testEnumerateiSCSI(self):
name = "pool-iscsi-list"
host = "example.com"
lst = StoragePool.pool_list_from_sources(self.conn, name,
StoragePool.TYPE_ISCSI,
host=host)
self.assertTrue(len(lst) == 0)
if __name__ == "__main__":
unittest.main()