def _get_matching_basevm(basedisk_path):
dbconn = DBConnector()
basedisk_path = os.path.abspath(basedisk_path)
basevm_list = dbconn.list_item(BaseVM)
ret_basevm = None
for item in basevm_list:
if basedisk_path == item.disk_path:
ret_basevm = item
break
return dbconn, ret_basevm
def _get_matching_basevm(basedisk_path):
dbconn = DBConnector()
basedisk_path = os.path.abspath(basedisk_path)
basevm_list = dbconn.list_item(BaseVM)
ret_basevm = None
for item in basevm_list:
if basedisk_path == item.disk_path:
ret_basevm = item
break
return dbconn, ret_basevm
class SynthesisServer(SocketServer.TCPServer):
def __init__(self, args):
settings, args = SynthesisServer.process_command_line(args)
self.dbconn = DBConnector()
self.basevm_list = self.check_basevm()
Synthesis_Const.LOCAL_IPADDRESS = "0.0.0.0"
server_address = (Synthesis_Const.LOCAL_IPADDRESS, Synthesis_Const.SERVER_PORT_NUMBER)
self.allow_reuse_address = True
try:
SocketServer.TCPServer.__init__(self, server_address, SynthesisHandler)
except socket.error as e:
sys.stderr.write(str(e))
sys.stderr.write("Check IP/Port : %s\n" % (str(server_address)))
sys.exit(1)
self.socket.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
self.socket.setsockopt(socket.IPPROTO_TCP, socket.TCP_NODELAY, 1)
LOG.info("* Server configuration")
LOG.info(" - Open TCP Server at %s" % (str(server_address)))
LOG.info(" - Disable Nagle(No TCP delay) : %s" \
% str(self.socket.getsockopt(socket.IPPROTO_TCP, socket.TCP_NODELAY)))
LOG.info("-"*50)
# This is cloudlet discovery related part and separated out
'''
if settings.register_server:
try:
self.register_client = RegisterThread(
settings.register_server,
update_period=Synthesis_Const.DIRECTORY_UPDATE_PERIOD)
self.register_client.start()
LOG.info("[INFO] Register to Cloudlet direcory service")
except RegisterError as e:
LOG.info(str(e))
LOG.info("[Warning] Cannot register Cloudlet to central server")
try:
self.rest_server = RESTServer()
self.rest_server.start()
except RESTServerError as e:
LOG.info(str(e))
LOG.info("[Warning] Cannot start REST API Server")
self.rest_server = None
LOG.info("[INFO] Start RESTful API Server")
try:
self.resource_monitor = ResourceMonitorThread()
self.resource_monitor.start()
except ResourceMonitorError as e:
LOG.info(str(e))
LOG.info("[Warning] Cannot register Cloudlet to central server\n")
'''
def handle_error(self, request, client_address):
#SocketServer.TCPServer.handle_error(self, request, client_address)
#sys.stderr.write("handling error from client %s\n" % (str(client_address)))
pass
def expire_all_sessions(self):
from db.table_def import Session
LOG.info("Close all running sessions")
session_list = self.dbconn.list_item(Session)
for item in session_list:
if item.status == Session.STATUS_RUNNING:
item.terminate(Session.STATUS_UNEXPECT_CLOSE)
self.dbconn.session.commit()
def terminate(self):
# expire all existing session
self.expire_all_sessions()
# close all thread
if self.socket != -1:
self.socket.close()
if hasattr(self, 'register_client') and self.register_client != None:
LOG.info("[TERMINATE] Deregister from directory service")
self.register_client.terminate()
self.register_client.join()
if hasattr(self, 'rest_server') and self.rest_server != None:
LOG.info("[TERMINATE] Terminate REST API monitor")
self.rest_server.terminate()
self.rest_server.join()
if hasattr(self, 'resource_monitor') and self.resource_monitor != None:
LOG.info("[TERMINATE] Terminate resource monitor")
self.resource_monitor.terminate()
self.resource_monitor.join()
global session_resources
for (session_id, resource) in session_resources.iteritems():
try:
resource.deallocate()
msg = "Deallocate resources for Session: %s" % str(session_id)
LOG.info(msg)
except Exception as e:
msg = "Failed to deallocate resources for Session : %s" % str(session_id)
LOG.warning(msg)
LOG.info("[TERMINATE] Finish synthesis server connection")
@staticmethod
def process_command_line(argv):
global operation_mode
VERSION = 'VM Synthesis Server: %s' % Cloudlet_Const.VERSION
parser = OptionParser(usage="usage: %prog " + " [option]",
version=VERSION)
parser.add_option(
'-r', '--register-server', action='store', dest='register_server',
default=None, help= 'Domain address for registration server.\n \
Specify this if you like to register your \
Cloudlet to registration server.')
settings, args = parser.parse_args(argv)
return settings, args
def check_basevm(self):
basevm_list = self.dbconn.list_item(BaseVM)
ret_list = list()
LOG.info("-"*50)
LOG.info("* Base VM Configuration")
for index, item in enumerate(basevm_list):
# check file location
(base_diskmeta, base_mempath, base_memmeta) = \
Cloudlet_Const.get_basepath(item.disk_path)
if not os.path.exists(item.disk_path):
LOG.warning("disk image (%s) is not exist" % (item.disk_path))
continue
if not os.path.exists(base_mempath):
LOG.warning("memory snapshot (%s) is not exist" % (base_mempath))
continue
# add to list
ret_list.append(item)
LOG.info(" %d : %s (Disk %d MB, Memory %d MB)" % \
(index, item.disk_path, os.path.getsize(item.disk_path)/1024/1024, \
os.path.getsize(base_mempath)/1024/1024))
LOG.info("-"*50)
if len(ret_list) == 0:
LOG.error("[Error] NO valid Base VM")
sys.exit(2)
return ret_list
class SynthesisServer(SocketServer.TCPServer):
def __init__(self, args):
settings, args = SynthesisServer.process_command_line(args)
self.dbconn = DBConnector()
self.basevm_list = self.check_basevm()
Synthesis_Const.LOCAL_IPADDRESS = "0.0.0.0"
server_address = (Synthesis_Const.LOCAL_IPADDRESS,
Synthesis_Const.SERVER_PORT_NUMBER)
self.allow_reuse_address = True
try:
SocketServer.TCPServer.__init__(self, server_address,
SynthesisHandler)
except socket.error as e:
sys.stderr.write(str(e))
sys.stderr.write("Check IP/Port : %s\n" % (str(server_address)))
sys.exit(1)
self.socket.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
self.socket.setsockopt(socket.IPPROTO_TCP, socket.TCP_NODELAY, 1)
LOG.info("* Server configuration")
LOG.info(" - Open TCP Server at %s" % (str(server_address)))
LOG.info(" - Disable Nagle(No TCP delay) : %s" \
% str(self.socket.getsockopt(socket.IPPROTO_TCP, socket.TCP_NODELAY)))
LOG.info("-" * 50)
# This is cloudlet discovery related part and separated out
'''
if settings.register_server:
try:
self.register_client = RegisterThread(
settings.register_server,
update_period=Synthesis_Const.DIRECTORY_UPDATE_PERIOD)
self.register_client.start()
LOG.info("[INFO] Register to Cloudlet direcory service")
except RegisterError as e:
LOG.info(str(e))
LOG.info("[Warning] Cannot register Cloudlet to central server")
try:
self.rest_server = RESTServer()
self.rest_server.start()
except RESTServerError as e:
LOG.info(str(e))
LOG.info("[Warning] Cannot start REST API Server")
self.rest_server = None
LOG.info("[INFO] Start RESTful API Server")
try:
self.resource_monitor = ResourceMonitorThread()
self.resource_monitor.start()
except ResourceMonitorError as e:
LOG.info(str(e))
LOG.info("[Warning] Cannot register Cloudlet to central server\n")
'''
def handle_error(self, request, client_address):
#SocketServer.TCPServer.handle_error(self, request, client_address)
#sys.stderr.write("handling error from client %s\n" % (str(client_address)))
pass
def expire_all_sessions(self):
from db.table_def import Session
LOG.info("Close all running sessions")
session_list = self.dbconn.list_item(Session)
for item in session_list:
if item.status == Session.STATUS_RUNNING:
item.terminate(Session.STATUS_UNEXPECT_CLOSE)
self.dbconn.session.commit()
def terminate(self):
# expire all existing session
self.expire_all_sessions()
# close all thread
if self.socket != -1:
self.socket.close()
if hasattr(self, 'register_client') and self.register_client != None:
LOG.info("[TERMINATE] Deregister from directory service")
self.register_client.terminate()
self.register_client.join()
if hasattr(self, 'rest_server') and self.rest_server != None:
LOG.info("[TERMINATE] Terminate REST API monitor")
self.rest_server.terminate()
self.rest_server.join()
if hasattr(self, 'resource_monitor') and self.resource_monitor != None:
LOG.info("[TERMINATE] Terminate resource monitor")
self.resource_monitor.terminate()
self.resource_monitor.join()
global session_resources
for (session_id, resource) in session_resources.iteritems():
try:
resource.deallocate()
msg = "Deallocate resources for Session: %s" % str(session_id)
LOG.info(msg)
except Exception as e:
msg = "Failed to deallocate resources for Session : %s" % str(
session_id)
LOG.warning(msg)
LOG.info("[TERMINATE] Finish synthesis server connection")
@staticmethod
def process_command_line(argv):
global operation_mode
VERSION = 'VM Synthesis Server: %s' % Cloudlet_Const.VERSION
parser = OptionParser(usage="usage: %prog " + " [option]",
version=VERSION)
parser.add_option('-r',
'--register-server',
action='store',
dest='register_server',
default=None,
help='Domain address for registration server.\n \
Specify this if you like to register your \
Cloudlet to registration server.')
settings, args = parser.parse_args(argv)
return settings, args
def check_basevm(self):
basevm_list = self.dbconn.list_item(BaseVM)
ret_list = list()
LOG.info("-" * 50)
LOG.info("* Base VM Configuration")
for index, item in enumerate(basevm_list):
# check file location
(base_diskmeta, base_mempath, base_memmeta) = \
Cloudlet_Const.get_basepath(item.disk_path)
if not os.path.exists(item.disk_path):
LOG.warning("disk image (%s) is not exist" % (item.disk_path))
continue
if not os.path.exists(base_mempath):
LOG.warning("memory snapshot (%s) is not exist" %
(base_mempath))
continue
# add to list
ret_list.append(item)
LOG.info(" %d : %s (Disk %d MB, Memory %d MB)" % \
(index, item.disk_path, os.path.getsize(item.disk_path)/1024/1024, \
os.path.getsize(base_mempath)/1024/1024))
LOG.info("-" * 50)
if len(ret_list) == 0:
LOG.error("[Error] NO valid Base VM")
sys.exit(2)
return ret_list