def initCache():
global _initialized
if _initialized:
return None
zfsreturn = runZFS(
["list", "-Hp", "-o", "name,mountpoint,usedbydataset,usedbysnapshots"])
for line in iter(zfsreturn.stdout.splitlines()):
arr = line.split()
dataset, path, data_used, snap_used = arr
zfsmap[path] = dataset
zfsmap[dataset] = path
if path in config.paths:
place = config.paths[path]
zfsmap[place.name] = dataset
place.data_used = data_used
place.snap_used = snap_used
zfsreturn = runZFS(["list", "-Hp", "-t", "snap"])
for line in iter(zfsreturn.stdout.splitlines()):
arr = line.split()
snapname = arr[0]
dataset, snap = snapname.split('@')
if Snapshot.isSnappyZFS(snap) and dataset in zfsmap and zfsmap[
dataset] in config.paths:
newsnapshot = Snapshot.factory(config.paths[zfsmap[dataset]].name,
Snapshot.isSnappyZFS(snap).group(1))
newsnapshot.setZFS(snapname)
_initialized = True
def initCache():
global _initialized
if _initialized:
return None
zfsreturn = runZFS(["list","-Hp","-o","name,mountpoint,usedbydataset,usedbysnapshots"])
for line in iter(zfsreturn.stdout.splitlines()):
arr = line.split()
dataset, path, data_used, snap_used = arr
zfsmap[path] = dataset
zfsmap[dataset] = path
if path in config.paths:
place = config.paths[path]
zfsmap[place.name] = dataset
place.data_used = data_used
place.snap_used = snap_used
zfsreturn = runZFS(["list","-Hp","-t","snap"])
for line in iter(zfsreturn.stdout.splitlines()):
arr = line.split()
snapname = arr[0]
dataset,snap = snapname.split('@')
if Snapshot.isSnappyZFS(snap) and dataset in zfsmap and zfsmap[dataset] in config.paths:
newsnapshot = Snapshot.factory(config.paths[zfsmap[dataset]].name, Snapshot.isSnappyZFS(snap).group(1))
newsnapshot.setZFS(snapname)
_initialized = True
def list():
util.loadSnapshots()
for name, place in sorted(config.places.items()):
print("***** %s (%s) %s / %s" %
(name, place.path, util.readableBytes(
place.data_used), util.readableBytes(place.snap_used)))
Snapshot.printHeader()
for stamp in sorted(snapshots[name].keys(), key=lambda i: int(i)):
snapshots[name][stamp].printListing()
def createSnapshot(place, stamp):
initCache()
zfssnapname = "snappy-%s" % stamp
zfsfullsnapname = "%s@%s" % (zfsmap[place.name], zfssnapname)
print("snapZFS: %s" % zfsfullsnapname)
runZFS(["snapshot", zfsfullsnapname])
# Place this in the global list in case tarsnap is going to want it
newsnapshot = Snapshot.factory(place, stamp)
newsnapshot.setZFS(zfsfullsnapname)
def createSnapshot(place,stamp):
initCache()
zfssnapname = "snappy-%s" % stamp
zfsfullsnapname = "%s@%s" % (zfsmap[place.name],zfssnapname)
print("snapZFS: %s" % zfsfullsnapname)
runZFS(["snapshot", zfsfullsnapname])
# Place this in the global list in case tarsnap is going to want it
newsnapshot = Snapshot.factory(place,stamp)
newsnapshot.setZFS(zfsfullsnapname)
def initCache():
global _initialized
global cache
if _initialized:
return None
if os.path.isfile(CACHE_FILE):
readCache()
else:
tsout = runTarsnap(["--list-archives"])
cache = tsout.stdout.splitlines()
for line in cache:
if Snapshot.isSnappyTS(line):
groups = Snapshot.isSnappyTS(line)
place = groups.group(1)
stamp = groups.group(2)
newsnapshot = Snapshot.factory(place, stamp)
newsnapshot.setTarsnap(line.rstrip())
writeCache()
_initialized = True
def initCache():
global _initialized
global cache
if _initialized:
return None
if os.path.isfile(CACHE_FILE):
readCache()
else:
tsout = runTarsnap(["--list-archives"])
cache = tsout.stdout.splitlines()
for line in cache:
if Snapshot.isSnappyTS(line):
groups = Snapshot.isSnappyTS(line)
place = groups.group(1)
stamp = groups.group(2)
newsnapshot = Snapshot.factory(place,stamp)
newsnapshot.setTarsnap(line.rstrip())
writeCache()
_initialized = True