def __init__(self, metaaddr, rootpath, mogami_dir):
"""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
@param mogami_dir path of mogami's root directory
"""
# basic information of metadata server
self.metaaddr = metaaddr
self.rootpath = os.path.abspath(rootpath)
self.mogami_dir = mogami_dir
# 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("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.debug("Init complete!!")
def __init__(self, metaaddr, rootpath, mogami_dir):
"""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
@param mogami_dir path of mogami's root directory
"""
# basic information of metadata server
self.metaaddr = metaaddr
self.rootpath = os.path.abspath(rootpath)
self.mogami_dir = mogami_dir
# 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("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.debug("Init complete!!")
def data_add(self, ip, rootpath):
self.sysinfo.add_data_server(ip, rootpath)
print "add data server IP:", ip
print "Now %d data servers are." % len(self.sysinfo.data_list)
MogamiLog.info("delete data server IP: %s" % ip)
MogamiLog.info("Now there are %d data servers." %
len(self.sysinfo.data_list))
def data_add(self, ip, rootpath):
self.sysinfo.add_data_server(ip, rootpath)
print "add data server IP:", ip
print "Now %d data servers are." % len(self.sysinfo.data_list)
MogamiLog.info("delete data server IP: %s" % ip)
MogamiLog.info("Now there are %d data servers." %
len(self.sysinfo.data_list))
def data_del(self, ip):
ret = self.sysinfo.remove_data_server(ip)
if ret == True:
print "delete data server IP:", ip
print "Now %d data servers are." % len(self.sysinfo.data_list)
MogamiLog.info("delete data server IP: %s" % ip)
MogamiLog.info("Now there are %d data servers." %
len(self.sysinfo.data_list))
def data_del(self, ip):
ret = self.sysinfo.remove_data_server(ip)
if ret == True:
print "delete data server IP:", ip
print "Now %d data servers are." % len(self.sysinfo.data_list)
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, mogami_dir):
"""This is the function of MogamiMeta's init.
In this function,
"""
MogamiLog.init("meta", conf.meta_loglevel)
self.sysinfo = MogamiSystemInfo(rootpath, mogami_dir)
"""Check directory for data files.
"""
if os.access(rootpath, os.R_OK and os.W_OK and os.X_OK) == False:
sys.exit("%s is not permitted to use. " % (rootpath, ))
MogamiLog.info("** Mogami metadata server init **")
MogamiLog.debug("rootpath = " + rootpath)
def __init__(self, rootpath, mogami_dir):
"""This is the function of MogamiMeta's init.
In this function,
"""
MogamiLog.init("meta", conf.meta_loglevel)
self.sysinfo = MogamiSystemInfo(rootpath, mogami_dir)
"""Check directory for data files.
"""
if os.access(rootpath, os.R_OK and os.W_OK and os.X_OK) == False:
sys.exit("%s is not permitted to use. " % (rootpath, ))
MogamiLog.info("** Mogami metadata server init **")
MogamiLog.debug("rootpath = " + rootpath)
def fsinit(self, ):
"""Called before fs.main() called.
"""
# initializer log
MogamiLog.info("** Mogami FS init **")
MogamiLog.debug("Success in creating connection to metadata server")
MogamiLog.debug("Init complete!!")
# create a thread for collecting dead threads
collector_thread = System.MogamiThreadCollector(daemons)
collector_thread.start()
# create a thread for telling access pattern logs
tellap_thread = MogamitoTellAccessPattern('/tmp/mogami_ap')
daemons.append(tellap_thread)
tellap_thread.start()
def fsinit(self, ):
"""Called before fs.main() called.
"""
# initializer log
MogamiLog.info("** Mogami FS init **")
MogamiLog.debug("Success in creating connection to metadata server")
MogamiLog.debug("Init complete!!")
# create a thread for collecting dead threads
collector_thread = Daemons.MogamiThreadCollector(daemons)
collector_thread.start()
if conf.ap == True:
# create a thread for telling access pattern logs
tellap_thread = MogamitoTellAccessPattern('/tmp/mogami_ap')
daemons.append(tellap_thread)
tellap_thread.start()
def finalize(self, ):
"""Finalizer of Mogami.
This seems not to be called implicitly...
"""
m_channel.finalize()
MogamiLog.info("** Mogami Unmount **")
def finalize(self, ):
"""Finalizer of Mogami.
This seems not to be called implicitly...
"""
m_channel.finalize()
MogamiLog.info("** Mogami Unmount **")
