Python rados.Rados方法代码示例

# 需要导入模块: import rados [as 别名]
# 或者: from rados import Rados [as 别名]
def get_connection(self, conffile, rados_id):
        client = rados.Rados(conffile=conffile, rados_id=rados_id)

        try:
            client.connect(timeout=self.connect_timeout)
        except (rados.Error, rados.ObjectNotFound) as e:
            if self.backend_group and len(self.conf.enabled_backends) > 1:
                reason = _("Error in store configuration: %s") % e
                LOG.debug(reason)
                raise exceptions.BadStoreConfiguration(
                    store_name=self.backend_group, reason=reason)
            else:
                msg = _LE("Error connecting to ceph cluster.")
                LOG.exception(msg)
                raise exceptions.BackendException()
        try:
            yield client
        finally:
            client.shutdown() 

# 需要导入模块: import rados [as 别名]
# 或者: from rados import Rados [as 别名]
def __init__(self, pool, images, backup_dest, conf_file, check_mode=False, compress_mode=False, window_size=7, window_unit='days'):
        '''
        images: list of images to backup
        backup_dest: path where to write the backups
        '''
        super(CephFullBackup, self).__init__()
        if len(set(images)) != len(images):
            raise Exception("Duplicated elements detected in list of images")
        self._pool = pool
        self._images = images
        self._backup_dest = backup_dest
        self._check_mode = check_mode
        self._compress_mode = compress_mode
        # TODO: support also cardinal backup window instead of temporal one, snapshots unit
        self._window_size = window_size
        self._window_unit = window_unit
        # Ceph objects
        cluster = rados.Rados(conffile=conf_file)
        cluster.connect()
        self._ceph_ioctx = cluster.open_ioctx(pool)
        self._ceph_rbd = rbd.RBD()

        # support wildcard for images
        if len(self._images) == 1 and self._images[0] == '*':
            self._images = self._get_images() 

# 需要导入模块: import rados [as 别名]
# 或者: from rados import Rados [as 别名]
def __init__(self, _id, **kwargs):
        """
        Initialize settings, connect to Ceph cluster
        """
        self.osd_id = _id
        self.settings = {
            'conf': "/etc/ceph/ceph.conf",
            'filename': '/var/run/ceph/osd.{}-weight'.format(_id),
            'rfilename': '/var/run/ceph/osd.{}-reweight'.format(_id),
            'timeout': 60,
            'keyring': '/etc/ceph/ceph.client.admin.keyring',
            'client': 'client.admin',
            'delay': 6
        }
        self.settings.update(kwargs)
        log.debug("settings for OSDWeight: {}".format(pprint.pformat(self.settings)))
        self.cluster = rados.Rados(conffile=self.settings['conf'],
                                   conf=dict(keyring=self.settings['keyring']),
                                   name=self.settings['client'])
        try:
            self.cluster.connect()
        except Exception as error:
            raise RuntimeError("connection error: {}".format(error)) 

# 需要导入模块: import rados [as 别名]
# 或者: from rados import Rados [as 别名]
def rbd_from_configuration(
    cluster_name, user_id, ceph_conf_path, storage_pool
):
    try:
        cluster = rados.Rados(conffile=ceph_conf_path)
    except TypeError as e:
        # XXX eliot
        raise e

    try:
        cluster.connect()
    except Exception as e:
        # XXX eliot
        raise e

    if not cluster.pool_exists(storage_pool):
        raise Exception("Pool does not exist")  # XXX eliot
    ioctx = cluster.open_ioctx(storage_pool)

    return CephRBDBlockDeviceAPI(cluster, ioctx, storage_pool, check_output) 

# 需要导入模块: import rados [as 别名]
# 或者: from rados import Rados [as 别名]
def df(**kwargs):
    """
    Return osd df
    """
    settings = {
        'conf': "/etc/ceph/ceph.conf",
        'keyring': '/etc/ceph/ceph.client.admin.keyring',
        'client': 'client.admin',
    }
    settings.update(kwargs)

    cluster = rados.Rados(conffile=settings['conf'],
                          conf=dict(keyring=settings['keyring']),
                          name=settings['client'])

    cluster.connect()
    cmd = json.dumps({"prefix": "osd df", "format": "json"})
    _, output, _ = cluster.mon_command(cmd, b'', timeout=6)
    osd_df = json.loads(output)
    log.debug(json.dumps(osd_df, indent=4))
    return osd_df 

# 需要导入模块: import rados [as 别名]
# 或者: from rados import Rados [as 别名]
def _settings(**kwargs):
    """
    Initialize settings to use the client.storage name and keyring
    if the keyring is available (Only exists on storage nodes.)

    Otherwise, rely on the default which is client.admin. See
    rados.Rados.
    """
    settings = {}
    storage_keyring = '/etc/ceph/ceph.client.storage.keyring'
    if os.path.exists(storage_keyring):
        settings = {
            'keyring': storage_keyring,
            'client': 'client.storage'
        }
        settings.update(kwargs)
    return settings 

# 需要导入模块: import rados [as 别名]
# 或者: from rados import Rados [as 别名]
def _mon_command(self, cmd_request):
        """ Issue a command to the monitor """

        buf_s = '{}'
        conf_file = "/etc/ceph/{}.conf".format(self.cluster_name)

        start = time.time()
        with rados.Rados(conffile=conf_file) as cluster:
            cmd = {'prefix': cmd_request, 'format': 'json'}
            rc, buf_s, out = cluster.mon_command(json.dumps(cmd), b'')
        end = time.time()

        self.logger.debug("_mon_command call '{}' :"
                          " {:.3f}s".format(cmd_request,
                                        (end - start)))

        return json.loads(buf_s) 

# 需要导入模块: import rados [as 别名]
# 或者: from rados import Rados [as 别名]
def get_rbd_pools(self):
        """
        Look at the rados pools to filter out pools that would normally not
        be associated with rbd images
        :return: (list) of pools that may contain rbd images
        """
        skip_pools = ('default.rgw', '.rgw.')

        start = time.time()
        conf_file = "/etc/ceph/{}.conf".format(self.cluster_name)
        with rados.Rados(conffile=conf_file) as cluster:
            rados_pools = sorted(cluster.list_pools())
        end = time.time()

        self.logger.debug('lspools took {:.3f}s'.format(end - start))

        filtered_pools = [pool for pool in rados_pools
                          if not pool.startswith(skip_pools)]

        return filtered_pools 

# 需要导入模块: import rados [as 别名]
# 或者: from rados import Rados [as 别名]
def _perform_rados_call(self):
        """The actual Rados interaction."""
        with Rados(conffile=self._ceph_config,
                   rados_id="landscape-client") as cluster:

            cluster_stats = cluster.get_cluster_stats()
            if self._ceph_ring_id is None:
                fsid = unicode(cluster.get_fsid(), "utf-8")
                self._ceph_ring_id = fsid

        return cluster_stats 

# 需要导入模块: import rados [as 别名]
# 或者: from rados import Rados [as 别名]
def _connect(self):
        """
        Connect to Ceph cluster
        """
        self.cluster = rados.Rados(conffile=self.settings['conf'])
        self.cluster.connect() 

# 需要导入模块: import rados [as 别名]
# 或者: from rados import Rados [as 别名]
def _tree(**kwargs):
    """
    Return osd tree
    """
    cluster = rados.Rados(**kwargs)
    cluster.connect()
    cmd = json.dumps({"prefix": "osd tree", "format": "json"})
    _, output, _ = cluster.mon_command(cmd, b'', timeout=6)
    osd_tree = json.loads(output)
    log.debug(json.dumps(osd_tree, indent=4))
    return osd_tree 

# 需要导入模块: import rados [as 别名]
# 或者: from rados import Rados [as 别名]
def __init__(self, pool, namespace):
        self.pool = pool
        self.namespace = namespace
        self.rados = rados.Rados(conffile="/etc/ceph/ceph.conf", name="client.admin")
        self.rados.connect() 

# 需要导入模块: import rados [as 别名]
# 或者: from rados import Rados [as 别名]
def find_pool(applications, preferred_pool=None):
    try:
        import rados
    except ImportError:
        raise Exception("This method should not be called before Ceph is "
                        "installed")

    if not isinstance(applications, list):
        applications = [applications]

    cluster = rados.Rados(conffile="/etc/ceph/ceph.conf")
    cluster.connect()

    pools = [pool for pool in cluster.list_pools()]
    for pool in pools:
        if pool == preferred_pool:
            cluster.shutdown()
            return pool

    eligible_pools = []
    for pool in pools:
        pool_id = cluster.pool_lookup(pool)
        ioctx = cluster.open_ioctx(pool)
        for app in ioctx.application_list():
            if app in applications:
                eligible_pools.append((pool_id, pool))
        ioctx.close()

    cluster.shutdown()

    if not eligible_pools:
        return None

    eligible_pools = sorted(eligible_pools, key=lambda e: e[0])
    if [pool for _, pool in eligible_pools if pool == preferred_pool]:
        return preferred_pool
    return eligible_pools[0][1] 

# 需要导入模块: import rados [as 别名]
# 或者: from rados import Rados [as 别名]
def __init__(self, pool, client_name, namespace=None):
        self.pool = pool
        self.namespace = namespace
        self.rados = rados.Rados(conffile="/etc/ceph/ceph.conf",
                                 name=client_name)
        self.rados.connect() 

# 需要导入模块: import rados [as 别名]
# 或者: from rados import Rados [as 别名]
def __init__(self, conf, pool_size=5):
        self.conf = conf
        self.pool = queue.Queue(pool_size)
        if conf.ceph_client_id:
            self.cluster = rados.Rados(conffile=conf.ceph_conf_file, rados_id=conf.ceph_client_id)
        else:
            self.cluster = rados.Rados(conffile=conf.ceph_conf_file)
        self.lock = threading.Lock()