def create(self, volume, snapshot, tranzit_path, complete_cb=None):
try:
if snapshot.id in self._state_map:
raise StorageError('Snapshot %s is already %s. Cannot create it again' % (
snapshot.id, self._state_map[snapshot.id]))
clear_queue(self._upload_queue)
if not os.path.exists(self._pigz_bin):
if linux.os['family'] == 'Debian' and linux.os['release'] >= (10, 4):
pkgmgr.installed('pigz')
elif linux.os['family'] == 'RedHat' and linux.os['release'] >= (6, 0):
pkgmgr.epel_repository()
pkgmgr.installed('pigz')
self._chunks_md5 = {}
self._state_map[snapshot.id] = Snapshot.CREATING
#self.prepare_tranzit_vol(volume.tranzit_vol)
snap_lv = self._lvm.create_lv_snapshot(volume.device, self.SNAPSHOT_LV_NAME, extents='100%FREE')
self._logger.info('Created LVM snapshot %s for volume %s', snap_lv, volume.device)
self._return_ev.clear()
t = threading.Thread(name='%s creator' % snapshot.id, target=self._create,
args=(volume, snapshot, snap_lv, tranzit_path, complete_cb))
t.start()
self._return_ev.wait()
except:
if complete_cb:
complete_cb()
raise
snapshot.snap_strategy = 'data'
snapshot.path = os.path.join(volume.snap_backend['path'],
'%s.%s' % (snapshot.id, self.MANIFEST_NAME))
return snapshot
def _gzip_bin(self):
if self.try_pigz:
mgr = pkgmgr.package_mgr()
if not mgr.info('pigz')['installed']:
try:
pkgmgr.epel_repository()
mgr.installed("pigz")
except:
LOG.debug("PIGZ install with epel failed, using gzip."\
" Caught %s", repr(sys.exc_info()[1]))
else:
return self.pigz_bin
else:
return self.pigz_bin
return self.gzip_bin
def create(self, volume, snapshot, tranzit_path, complete_cb=None):
try:
if snapshot.id in self._state_map:
raise StorageError(
'Snapshot %s is already %s. Cannot create it again' %
(snapshot.id, self._state_map[snapshot.id]))
clear_queue(self._upload_queue)
if not os.path.exists(self._pigz_bin):
if linux.os['family'] == 'Debian' and linux.os['release'] >= (
10, 4):
pkgmgr.installed('pigz')
elif linux.os['family'] == 'RedHat' and linux.os[
'release'] >= (6, 0):
pkgmgr.epel_repository()
pkgmgr.installed('pigz')
self._chunks_md5 = {}
self._state_map[snapshot.id] = Snapshot.CREATING
#self.prepare_tranzit_vol(volume.tranzit_vol)
snap_lv = self._lvm.create_lv_snapshot(volume.device,
self.SNAPSHOT_LV_NAME,
extents='100%FREE')
self._logger.info('Created LVM snapshot %s for volume %s', snap_lv,
volume.device)
self._return_ev.clear()
t = threading.Thread(name='%s creator' % snapshot.id,
target=self._create,
args=(volume, snapshot, snap_lv, tranzit_path,
complete_cb))
t.start()
self._return_ev.wait()
except:
if complete_cb:
complete_cb()
raise
snapshot.snap_strategy = 'data'
snapshot.path = os.path.join(
volume.snap_backend['path'],
'%s.%s' % (snapshot.id, self.MANIFEST_NAME))
return snapshot
def _check_pigz(self):
try:
pkgmgr.check_software(['pigz'])
except pkgmgr.SoftwareError:
pkgmgr.epel_repository()
pkgmgr.installed('pigz', updatedb=True)
def test_epel_repository(system, install, info):
info.return_value = {'installed': None}
pkgmgr.epel_repository()
install.assert_called_once_with(pkgmgr.EPEL_RPM_URL)
def test_epel_repository(system, install, info):
info.return_value = {'installed': None}
pkgmgr.epel_repository()
install.assert_called_once_with(pkgmgr.EPEL_RPM_URL)
