def get_snapshot_size(self, snapshot):
cmd_out = zfs_cmd.list("-H", snapshot.name)
size = cmd_out.split("\t")[1]
if size == "0":
return 0
else:
return size
def get_snapshots(self, filesystem=None):
"""retrieve all ZFS snapshots marked as auto-snapshot"""
if filesystem is None:
raw_list = zfs_cmd.list("-H", "-t", "snapshot")
else:
raw_list = zfs_cmd.list("-H", "-r", "-d1", "-t", "snapshot", filesystem)
zfs_reader = reader(StringIO(raw_list), delimiter="\t")
snapshots = []
for row in zfs_reader:
if "zfs-auto-snap" in row[0]:
dataset, name = row[0].split("@")
_, temp = name.split("_")
split = temp.split("-")
interval = split[0]
label = "-".join(split[1:])
snapshots.append(Snapshot(self, dataset, interval, label, size=row[1]))
return snapshots
def get_datasets(self):
raw_list = zfs_cmd.list("-H")
l = reader(StringIO(raw_list), delimiter="\t")
return [row[0] for row in l]