def _detach(self, force=False, **kwds):
self._check_connection()
volume_id = self.id or self._native_vol.id
# Remove volume from SCSI host
if self.device and \
((self._native_vol and self._native_vol.virtualmachineid == __cloudstack__['instance_id']) or \
not self._native_vol):
if linux.which('lsscsi'):
scsi = coreutils.lsscsi().get(self.device)
if scsi:
LOG.debug('Removing device from SCSI host')
name = '/sys/class/scsi_host/host{host}/device/target{host}:{bus}:{target}/{host}:{bus}:{target}:{lun}/delete'.format(**scsi)
with open(name, 'w') as fp:
fp.write('1')
LOG.debug('Detaching volume %s', volume_id)
try:
self._conn.detachVolume(volume_id)
except Exception, e:
if 'not attached' in str(e) or \
'Please specify a VM that is either running or stopped' in str(e):
pass
else:
raise
def _detach(self, force=False, **kwds):
self._check_connection()
volume_id = self.id or self._native_vol.id
# Remove volume from SCSI host
if self.device and \
((self._native_vol and self._native_vol.virtualmachineid == __cloudstack__['instance_id']) or \
not self._native_vol):
if linux.which('lsscsi'):
scsi = coreutils.lsscsi().get(self.device)
if scsi:
LOG.debug('Removing device from SCSI host')
name = '/sys/class/scsi_host/host{host}/device/target{host}:{bus}:{target}/{host}:{bus}:{target}:{lun}/delete'.format(**scsi)
with open(name, 'w') as fp:
fp.write('1')
LOG.debug('Detaching volume %s', volume_id)
try:
self._conn.detachVolume(volume_id)
except Exception, e:
if 'not attached' in str(e) or \
'Please specify a VM that is either running or stopped' in str(e):
pass
else:
raise
def test_lsscsi():
out_filename = os.path.abspath(__file__ + "/../../../fixtures/linux/lsscsi.out")
m = mock.Mock(return_value=[open(out_filename).read()])
with mock.patch("scalarizr.linux.system", m):
ret = coreutils.lsscsi()
assert set(ret.keys()) == set(["/dev/sr0", "/dev/sda", "/dev/sdb"])
sdb = ret["/dev/sdb"]
assert sdb["host"] == "2"
assert sdb["bus"] == "0"
assert sdb["target"] == "0"
assert sdb["lun"] == "0"
sda = ret["/dev/sda"]
assert sda["target"] == "1"
assert sda["host"] == "0"
def test_lsscsi():
out_filename = os.path.abspath(__file__ +
'/../../../fixtures/linux/lsscsi.out')
m = mock.Mock(return_value=[open(out_filename).read()])
with mock.patch('scalarizr.linux.system', m):
ret = coreutils.lsscsi()
assert set(ret.keys()) == set(['/dev/sr0', '/dev/sda', '/dev/sdb'])
sdb = ret['/dev/sdb']
assert sdb['host'] == '2'
assert sdb['bus'] == '0'
assert sdb['target'] == '0'
assert sdb['lun'] == '0'
sda = ret['/dev/sda']
assert sda['target'] == '1'
assert sda['host'] == '0'
