def dataadd(self, rootpath):
ip = self.c_channel.getpeername()
self.sysinfo.add_data_server(ip, rootpath)
MogamiLog.info("delete data server IP: %s" % ip)
MogamiLog.info("Now there are %d data servers." %
len(self.sysinfo.data_list))
def __init__(self, metaaddr, rootpath):
"""This is the function of MogamiMeta's init.
@param metaaddr ip address or hostname of metadata server
@param rootpath path of directory to store data into
"""
# basic information
self.metaaddr = metaaddr
self.rootpath = os.path.abspath(rootpath)
self.filedict = MogamiLocalFileDict()
# check directory for data files
assert os.access(self.rootpath, os.R_OK and os.W_OK and os.X_OK)
# Initialization of Log.
MogamiLog.init(MogamiLog.TYPE_DATA, conf.data_loglevel)
MogamiLog.info("Start initialization...")
MogamiLog.debug("rootpath = " + self.rootpath)
# At first, connect to metadata server and send request to attend.
self.m_channel = channel.MogamiChanneltoMeta()
self.m_channel.connect(self.metaaddr)
MogamiLog.debug("Success in creating connection to metadata server")
self.m_channel.dataadd_req(self.rootpath)
MogamiLog.info("Init complete!!")
def datadel(self, ):
ip = self.c_channel.getpeername()
ret = self.sysinfo.remove_data_server(ip)
if ret == True:
MogamiLog.info("delete data server IP: %s" % ip)
MogamiLog.info("Now there are %d data servers." %
len(self.sysinfo.data_list))
def __init__(self, rootpath):
"""This is the function of MogamiMeta's init.
"""
MogamiLog.init(MogamiLog.TYPE_META, conf.meta_loglevel)
self.sysinfo = MogamiSystemInfo(rootpath)
# create a object to retrieve metadata information (meta repository)
if conf.meta_type == 'fs':
self.meta_rep = metadata.MogamiMetaFS(rootpath)
elif conf.meta_type == 'db':
self.meta_rep = None
else:
sys.exit("meta_type should be 'fs' or 'db' in config file")
MogamiLog.info("** Mogami metadata server init was completed **")
MogamiLog.debug("rootpath = " + rootpath)
def __init__(self, meta_server, *args, **kw):
Fuse.__init__(self, *args, **kw)
MogamiLog.info("** Mogami FS init **")
self.meta_server = meta_server
self.parse(errex=1)
m_channel.connect(self.meta_server)
def finalize(self, ):
"""Finalizer of Mogami.
This seems not to be called implicitly...
"""
m_channel.finalize()
MogamiLog.info("** Mogami Unmount **")
