Python init_lockspaceの例

コード例 #1

def main():
    print "Creating the sanlock disk"
    fd, disk = tempfile.mkstemp()
    os.close(fd)

    offset = sanlock.get_alignment(disk)

    SNLK_DISKS = [(disk, offset)]

    print "Registering to sanlock"
    fd = sanlock.register()

    print "Initializing '%s'" % (LOCKSPACE_NAME, )
    sanlock.init_lockspace(LOCKSPACE_NAME, disk)

    print "Initializing '%s' on '%s'" % (RESOURCE_NAME, LOCKSPACE_NAME)
    sanlock.init_resource(LOCKSPACE_NAME, RESOURCE_NAME, SNLK_DISKS)

    print "Acquiring the id '%i' on '%s'" % (HOST_ID, LOCKSPACE_NAME)
    sanlock.add_lockspace(LOCKSPACE_NAME, HOST_ID, disk)

    try:
        print "Acquiring '%s' on '%s'" % (RESOURCE_NAME, LOCKSPACE_NAME)
        sanlock.acquire(LOCKSPACE_NAME, RESOURCE_NAME, SNLK_DISKS, slkfd=fd)
        print "Releasing '%s' on '%s'" % (RESOURCE_NAME, LOCKSPACE_NAME)
        sanlock.release(LOCKSPACE_NAME, RESOURCE_NAME, SNLK_DISKS, slkfd=fd)
    finally:
        print "Releasing the id '%i' on '%s'" % (HOST_ID, LOCKSPACE_NAME)
        sanlock.rem_lockspace(LOCKSPACE_NAME, HOST_ID, disk)

    print "Removing the sanlock disk"
    os.remove(disk)

コード例 #2

ファイル: safelease.py プロジェクト: ekohl/vdsm

 def initLock(self):
     try:
         sanlock.init_lockspace(self._sdUUID, self._idsPath)
         sanlock.init_resource(self._sdUUID, LEASE_NAME, [self._leasesPath])
     except sanlock.SanlockException:
         self.log.warn("Cannot initialize clusterlock", exc_info=True)
         raise se.ClusterLockInitError()

コード例 #3

ファイル: example.py プロジェクト: edwardbadboy/sanlock-ubuntu

def main():
    print "Creating the sanlock disk"
    fd, disk = tempfile.mkstemp()
    os.close(fd)

    offset = sanlock.get_alignment(disk)

    SNLK_DISKS = [(disk, offset)]

    print "Registering to sanlock"
    fd = sanlock.register()

    print "Initializing '%s'" % (LOCKSPACE_NAME,)
    sanlock.init_lockspace(LOCKSPACE_NAME, disk)

    print "Initializing '%s' on '%s'" % (RESOURCE_NAME, LOCKSPACE_NAME)
    sanlock.init_resource(LOCKSPACE_NAME, RESOURCE_NAME, SNLK_DISKS)

    print "Acquiring the id '%i' on '%s'" % (HOST_ID, LOCKSPACE_NAME)
    sanlock.add_lockspace(LOCKSPACE_NAME, HOST_ID, disk)

    try:
        print "Acquiring '%s' on '%s'" % (RESOURCE_NAME, LOCKSPACE_NAME)
        sanlock.acquire(LOCKSPACE_NAME, RESOURCE_NAME, SNLK_DISKS, slkfd=fd)
        print "Releasing '%s' on '%s'" % (RESOURCE_NAME, LOCKSPACE_NAME)
        sanlock.release(LOCKSPACE_NAME, RESOURCE_NAME, SNLK_DISKS, slkfd=fd)
    finally:
        print "Releasing the id '%i' on '%s'" % (HOST_ID, LOCKSPACE_NAME)
        sanlock.rem_lockspace(LOCKSPACE_NAME, HOST_ID, disk)

    print "Removing the sanlock disk"
    os.remove(disk)

コード例 #4

ファイル: clusterlock.py プロジェクト: nirs/vdsm

def initSANLock(sdUUID, idsPath, lease):
    initSANLockLog.debug("Initializing SANLock for domain %s", sdUUID)

    try:
        sanlock.init_lockspace(sdUUID, idsPath)
        sanlock.init_resource(sdUUID, lease.name, [(lease.path, lease.offset)])
    except sanlock.SanlockException:
        initSANLockLog.error("Cannot initialize SANLock for domain %s", sdUUID, exc_info=True)
        raise se.ClusterLockInitError()

コード例 #5

ファイル: clusterlock.py プロジェクト: igoihman/vdsm

def initSANLock(sdUUID, idsPath, lease):
    initSANLockLog.debug("Initializing SANLock for domain %s", sdUUID)

    try:
        sanlock.init_lockspace(sdUUID, idsPath)
        sanlock.init_resource(sdUUID, lease.name, [(lease.path, lease.offset)])
    except sanlock.SanlockException:
        initSANLockLog.error("Cannot initialize SANLock for domain %s",
                             sdUUID, exc_info=True)
        raise se.ClusterLockInitError()

コード例 #6

ファイル: clusterlock.py プロジェクト: futurice/vdsm

def initSANLock(sdUUID, idsPath, leasesPath):
    initSANLockLog.debug("Initializing SANLock for domain %s", sdUUID)

    try:
        sanlock.init_lockspace(sdUUID, idsPath)
        sanlock.init_resource(sdUUID, SDM_LEASE_NAME,
                              [(leasesPath, SDM_LEASE_OFFSET)])
    except sanlock.SanlockException:
        initSANLockLog.error("Cannot initialize SANLock for domain %s",
                             sdUUID, exc_info=True)
        raise se.ClusterLockInitError()

コード例 #7

ファイル: clusterlock.py プロジェクト: rexhsu/vdsm-ubuntu

def initSANLock(sdUUID, idsPath, leasesPath):
    initSANLockLog.debug("Initializing SANLock for domain %s", sdUUID)

    try:
        sanlock.init_lockspace(sdUUID, idsPath)
        sanlock.init_resource(sdUUID, SDM_LEASE_NAME,
                              [(leasesPath, SDM_LEASE_OFFSET)])
    except sanlock.SanlockException:
        initSANLockLog.error("Cannot initialize SANLock for domain %s",
                             sdUUID,
                             exc_info=True)
        raise se.ClusterLockInitError()

コード例 #8

ファイル: python_test.py プロジェクト: ChenFanTony/sanlock

def test_init_lockspace_parse_args(no_sanlock_daemon, name, filename,
                                   encoding):
    path = util.generate_path("/tmp/", filename, encoding)
    with raises_sanlock_errno(errno.ENODEV):
        sanlock.init_lockspace(name, path)