def createSnapshot(place, stamp, bwlimit = None, timelimit = None):
initCache()
# Force ZFS cache - probably has already been initialized, but be safe
zfs.initCache()
if not exists(place.name, stamp) or not snapshots[place.name][stamp].hasZFS() == Snapshot.Status.complete:
sys.exit("ERROR: Trying to create tarsnap snapshot but no ZFS snap ({},{})".format(place,stamp,))
extraArgs = [ ]
if bwlimit:
extraArgs.extend(["--maxbw",str(bwlimit)])
snap = snapshots[place.name][stamp]
path = zfs.pathForSnapshot(snap)
now = arrow.now().timestamp
intermediateName = "snappy-%s-%s-intermediate-%s" % (place.name, stamp, now)
print("snapTS: %s" % intermediateName)
result = runTarsnap(extraArgs + ["-c","-f",intermediateName,path], timeout = timelimit)
addToCache(intermediateName)
tssnapname = "snappy-%s-%s" % (place.name, stamp)
print("snapTS: %s" % tssnapname)
runTarsnap(["-c","-f",tssnapname,path], timeout = timelimit)
addToCache(tssnapname)
for partial in [intermediateName] + snap._tarsnap_partials + snap._tarsnap_intermediates:
print("Cleaning up %s" % partial)
runTarsnap(["-d","-f",partial])
removeFromCache(partial)
def createSnapshot(place, stamp, bwlimit=None, timelimit=None):
initCache()
# Force ZFS cache - probably has already been initialized, but be safe
zfs.initCache()
if not exists(place.name, stamp) or not snapshots[
place.name][stamp].hasZFS() == Snapshot.Status.complete:
sys.exit(
"ERROR: Trying to create tarsnap snapshot but no ZFS snap ({},{})".
format(
place,
stamp,
))
extraArgs = []
if bwlimit:
extraArgs.extend(["--maxbw", str(bwlimit)])
snap = snapshots[place.name][stamp]
path = zfs.pathForSnapshot(snap)
now = arrow.now().timestamp
intermediateName = "snappy-%s-%s-intermediate-%s" % (place.name, stamp,
now)
print("snapTS: %s" % intermediateName)
result = runTarsnap(extraArgs + ["-c", "-f", intermediateName, path],
timeout=timelimit)
addToCache(intermediateName)
tssnapname = "snappy-%s-%s" % (place.name, stamp)
print("snapTS: %s" % tssnapname)
runTarsnap(["-c", "-f", tssnapname, path], timeout=timelimit)
addToCache(tssnapname)
for partial in [intermediateName
] + snap._tarsnap_partials + snap._tarsnap_intermediates:
print("Cleaning up %s" % partial)
runTarsnap(["-d", "-f", partial])
removeFromCache(partial)
def loadSnapshots():
zfs.initCache()
tarsnap.initCache()
def loadSnapshots():
zfs.initCache()
tarsnap.initCache()