def is_enabled(cls):
if os.geteuid() != 0:
log.debug("btrfs is only enabled for the root user!")
return False
if not sys.platform.startswith('linux'):
log.debug("btrfs is only enabled on linux!")
return False
elif BTRFS_AVAILABLE:
if "v0.19" in btrfs_cmd("--version"):
log.warning("'btrfs' command v0.19 is incompatible, please upgrade to at least v0.20 to enable btrfs")
return False
return True
else:
return False
def get_old_snapshots(self, keep, interval=None):
old_snapshots = []
for d in self.get_datasets():
if interval:
snapshots = self.filter_snapshots(dataset=d, interval=interval)
if keep == 0:
old_snapshots = []
else:
old_snapshots = old_snapshots + snapshots[:-keep]
else:
log.warning("get_old_snapshots: THIS SHOULD PROBABLY NEVER RUN!")
for i in self.intervals:
x = [s for s in self.get_snapshots() if s.interval == i]
if keep == 0:
old_snapshots = []
else:
old_snapshots = old_snapshots + x[:-keep]
return old_snapshots
def print_snapshot(self, dataset, label):
log.warning("Unimplemented Method: print_snapshot()")
def destroy_snapshot(self, name):
log.warning("Unimplemented Method: destroy_snapshot()")
def get_snapshot_size(self, snapshot):
log.warning("Unimplemented Method: get_snapshot_size()")
def commit_snapshot(self, filesystem, interval, label):
log.warning("Unimplemented Method: commit_snapshot()")
def get_config(self):
log.warning("Unimplemented Method: get_config()")
def get_snapshots(self, filesystem=None):
log.warning("Unimplemented Method: get_snapshots()")
def get_datasets(self):
log.warning("no datasets for fake interface")
def is_enabled(self):
log.warning("Unimplemented Method: is_enabled()")
return False
