def import_pool(self):
"""Import zpool
Try to import this zpool
"""
execute('zpool import %s' % self.name)
def export_pool(self):
"""Export zpool
Try to export this zpool
"""
execute('zpool export %s' % self.name)
def set_property(self, key, value):
"""Set property value
Set value for a ZFS property, validated and formatted
"""
skip_quotes="True"
if key not in ZFS_PROPERTIES:
raise ZFSError('Invalid property name')
if key in ZFS_READONLY_PROPERTIES:
raise ZFSError('Readonly property: %s' % key)
if key in ZFS_PROPERTY_VALIDATORS:
if not ZFS_PROPERTY_VALIDATORS[key](value):
raise ZFSError('Unknown value for property %s: %s' % (key, value))
if key in ZFS_BOOLEAN_PROPERTIES:
value = value and 'on' or 'off'
skip_quotes = True
elif value == None:
value = 'none'
if skip_quotes:
execute(['zfs', 'set', '%s=%s' % (key, value), self.name])
else:
execute(['zfs', 'set', '%s="%s"' % (key, value), self.name])
def export_pool(self):
"""Export zpool
Try to export this zpool
"""
execute('zpool export %s' % self.name)
def import_pool(self):
"""Import zpool
Try to import this zpool
"""
execute('zpool import %s' % self.name)
def set_property(self, key, value):
"""Set property value
Set value for a ZFS property, validated and formatted
"""
skip_quotes = "True"
if key not in ZFS_PROPERTIES:
raise ZFSError('Invalid property name')
if key in ZFS_READONLY_PROPERTIES:
raise ZFSError('Readonly property: %s' % key)
if key in ZFS_PROPERTY_VALIDATORS:
if not ZFS_PROPERTY_VALIDATORS[key](value):
raise ZFSError('Unknown value for property %s: %s' %
(key, value))
if key in ZFS_BOOLEAN_PROPERTIES:
value = value and 'on' or 'off'
skip_quotes = True
elif value == None:
value = 'none'
if skip_quotes:
execute(['zfs', 'set', '%s=%s' % (key, value), self.name])
else:
execute(['zfs', 'set', '%s="%s"' % (key, value), self.name])
def remove_snapshot(self, value):
"""Remove existing snapshot
Remove a existing snapshot matching provided name
Raises ZFSError if provided snapshot did not exist
"""
if isinstance(value, basestring):
name = '%s@%s' % (self.name, value)
if name not in self.snapshots:
raise ZFSError('No such snapshot: %s' % name)
elif isinstance(value, ZFSSnapshot):
name = value.name
execute('zfs destroy %s' % name)
def remove_snapshot(self, value):
"""Remove existing snapshot
Remove a existing snapshot matching provided name
Raises ZFSError if provided snapshot did not exist
"""
if isinstance(value, basestring):
name = '%s@%s' % (self.name, value)
if name not in self.snapshots:
raise ZFSError('No such snapshot: %s' % name)
elif isinstance(value, ZFSSnapshot):
name = value.name
execute('zfs destroy %s' % name)
def create_snapshot(self, tag=None):
"""Create named snapshots
Creates a new snapshot with provided name
Raises ZFSError if named snapshot exists
"""
if tag is None:
tag = datetime.now().strftime(SNAPSHOT_DATE_FORMAT)
name = '%s@%s' % (self.name, tag)
if name in self.snapshots:
raise ZFSError('Snapshot already exists: %s' % name)
execute('zfs snapshot %s' % name)
return tag
def filesystems(self):
"""List of filesystems
Return list of ZFS objects for filesystems in this pool
"""
return [ZFS(fs) for fs in execute('zfs list -Hr -o name %s' % self.name) if fs!='']
def get_property(self, key):
"""Return property value
Return value for a ZFS property, validated and formatted
"""
if key not in ZFS_PROPERTIES:
raise ZFSError('Invalid property name')
value = None
cmd = 'zfs get -H %s %s' % (key, self.name)
for line in execute(cmd):
try:
volume, field, value, flags = line.split(None, 3)
if volume == self.name and field == key:
break
except ValueError:
continue
value = None
if value in (
None,
'none',
):
return None
if value == '-' and key in ZFS_OPTIONAL_PROPERTIES:
return None
if key in ZFS_BOOLEAN_PROPERTIES:
return value == 'on'
return value
def create_snapshot(self, tag=None):
"""Create named snapshots
Creates a new snapshot with provided name
Raises ZFSError if named snapshot exists
"""
if tag is None:
tag = datetime.now().strftime(SNAPSHOT_DATE_FORMAT)
name = '%s@%s' % (self.name, tag)
if name in self.snapshots:
raise ZFSError('Snapshot already exists: %s' % name)
execute('zfs snapshot %s' % name)
return tag
def get_property(self, key):
"""Return property value
Return value for a ZFS property, validated and formatted
"""
if key not in ZFS_PROPERTIES:
raise ZFSError('Invalid property name')
value = None
cmd = 'zfs get -H %s %s' % (key, self.name)
for line in execute(cmd):
try:
volume, field, value, flags = line.split(None, 3)
if volume == self.name and field == key:
break
except ValueError:
continue
value = None
if value in (None, 'none',):
return None
if value == '-' and key in ZFS_OPTIONAL_PROPERTIES:
return None
if key in ZFS_BOOLEAN_PROPERTIES:
return value == 'on'
return value
def poolnames():
"""Pool name list
Return list of ZPool names
"""
names = []
for line in execute('zpool list -H'):
names.append(line.split()[0])
return names
def poolnames():
"""Pool name list
Return list of ZPool names
"""
names = []
for line in execute('zpool list -H'):
names.append(line.split()[0])
return names
def filesystems(self):
"""List of filesystems
Return list of ZFS objects for filesystems in this pool
"""
return [
ZFS(fs) for fs in execute('zfs list -Hr -o name %s' % self.name)
if fs != ''
]
def set_property(self, property, value):
"""Set property value
Set value of a zpool entry, validated and formatted
"""
if property not in ZPOOL_PROPERTIES:
raise ZFSError('Invalid property name')
if property in ZPOOL_READONLY_PROPERTIES:
raise ZFSError('Readonly property: %s' % property)
if property in ZPOOL_PROPERTY_VALIDATORS:
if not ZPOOL_PROPERTY_VALIDATORS[property](value):
raise ZFSError('Unknown value for property %s: %s' % (property, value))
if property in ZPOOL_BOOLEAN_PROPERTIES:
value = value and 'on' or 'off'
elif value == None:
value = 'none'
execute(['zpool', 'set', '%s="%s"' % (property, value), self.name])
def set_property(self, property, value):
"""Set property value
Set value of a zpool entry, validated and formatted
"""
if property not in ZPOOL_PROPERTIES:
raise ZFSError('Invalid property name')
if property in ZPOOL_READONLY_PROPERTIES:
raise ZFSError('Readonly property: %s' % property)
if property in ZPOOL_PROPERTY_VALIDATORS:
if not ZPOOL_PROPERTY_VALIDATORS[property](value):
raise ZFSError('Unknown value for property %s: %s' %
(property, value))
if property in ZPOOL_BOOLEAN_PROPERTIES:
value = value and 'on' or 'off'
elif value == None:
value = 'none'
execute(['zpool', 'set', '%s="%s"' % (property, value), self.name])
def snapshots(self):
"""List of snapshots
Returns list of existing snapshots as ZFSSnapshot objects
"""
snapshots = []
for name in execute('zfs list -Hrt snapshot -o name %s' % self.name):
if name == '':
continue
snapshot = ZFSSnapshot(name)
if snapshot.volume == self.name:
snapshots.append(snapshot)
return snapshots
def snapshots(self):
"""List of snapshots
Returns list of existing snapshots as ZFSSnapshot objects
"""
snapshots = []
for name in execute('zfs list -Hrt snapshot -o name %s' % self.name):
if name == '':
continue
snapshot = ZFSSnapshot(name)
if snapshot.volume == self.name:
snapshots.append(snapshot)
return snapshots
def get_property(self, property):
"""Return property value
Return value of a zpool entry, validated and formatted
"""
if property not in ZPOOL_PROPERTIES:
raise ZFSError('Invalid property name')
value = ' '.join(execute('zpool list -H -o %s %s' % (property, self.name)))
if value == '-' and property in ZPOOL_OPTIONAL_PROPERTIES:
return None
if property in ZPOOL_BOOLEAN_PROPERTIES:
return value == 'on'
if property == 'health' and value not in ZPOOL_HEALTH_STATES:
raise ZFSError('Unknown health state for pool %s: %s' % (self.name, value))
return value
def get_property(self, property):
"""Return property value
Return value of a zpool entry, validated and formatted
"""
if property not in ZPOOL_PROPERTIES:
raise ZFSError('Invalid property name')
value = ' '.join(
execute('zpool list -H -o %s %s' % (property, self.name)))
if value == '-' and property in ZPOOL_OPTIONAL_PROPERTIES:
return None
if property in ZPOOL_BOOLEAN_PROPERTIES:
return value == 'on'
if property == 'health' and value not in ZPOOL_HEALTH_STATES:
raise ZFSError('Unknown health state for pool %s: %s' %
(self.name, value))
return value
def rename(self, name):
if name.count('@') == 0:
name = '%s@%s' % (self.volume, name)
execute('zfs rename %s %s' % (self.name, name))
def rename(self,name):
if name.count('@')==0:
name = '%s@%s' % (self.volume, name)
execute('zfs rename %s %s' % (self.name, name))
