コード例 #1
0
ファイル: tarsnap.py プロジェクト: ricci/snappy
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)
コード例 #2
0
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)
コード例 #3
0
ファイル: util.py プロジェクト: ricci/snappy
def loadSnapshots():
    zfs.initCache()
    tarsnap.initCache()
コード例 #4
0
ファイル: util.py プロジェクト: ricci/snappy
def loadSnapshots():
    zfs.initCache()
    tarsnap.initCache()