def start(self):
self._log.info(self.__class__.__name__, 'Preparing to start the scenario %s.', self._name)
# Before starting controller, copy VPNs configuration file inside the controller conf folder.
# In particular, copy tmp/system.conf and tmp/vpns.xml into controller conf folder.
# Take the files
self._log.debug(self.__class__.__name__, 'Taking the controller\'s configuration files.')
self._system_conf_file = self._fs.get_tmp_folder() + '/system.conf'
self._vpns_conf_file = self._fs.get_tmp_folder() + '/vpns.xml'
# Copy files into controller path (move into FileSystem, the class that handles all application file system
# aspects).
self._log.debug(self.__class__.__name__,
'Coping the controller\'s configuration files into controller\'s path.')
# TODO: move this instructions into FileSystem class
shutil.copy(self._system_conf_file, os.path.expanduser(self._controller_path) + 'conf/')
shutil.copy(self._vpns_conf_file, os.path.expanduser(self._controller_path) + 'conf/vpns/')
# Essentially, this method has in charge the task of running controller
self._log.debug(self.__class__.__name__, 'Starting controller.')
self._controller = ControllerStarter(self._controller_path, self._controller_cmd)
self._controller.start()
self._log.info(self.__class__.__name__, 'Controller has been correctly started.')
class Rm3SdnVpnScenario(Scenario):
def __init__(self, *args, **kwargs):
Scenario.__init__(self)
# The name of the scenario
self._name = self.__class__.__name__
# Take params from kwargs
params = kwargs.get('scenario')
# Number of VPNs
self._number_of_vpns = int(params['number_of_vpns'])
# Controller (actually, the path to the controller. ryu-manager is required.)
self._controller_path = params['controller_path']
# Command to run controller
self._controller_cmd = params['controller_cmd']
# System and VPN's configuration files
self._system_conf_file = None
self._vpns_conf_file = None
# Reference to the controller
self._controller = None
def __repr__(self):
return 'Rm3SdnVpnScenario[#VPNs=%s, controller=%s]' % (self._number_of_vpns, self._controller_path)
'''
Return the name of this scenario.
'''
def get_name(self):
return self._name
'''
Return the number of VPNs declared in this scenario.
'''
def get_number_of_vpns(self):
return self._number_of_vpns
'''
Return the path in which the controller is placed.
'''
def get_controller_path(self):
return self._controller_path
'''
Return the name of the command running the controller.
'''
def get_controller_cmd(self):
return self._controller_cmd
'''
This method allows the creation of this scenario.
'''
def start(self):
self._log.info(self.__class__.__name__, 'Preparing to start the scenario %s.', self._name)
# Before starting controller, copy VPNs configuration file inside the controller conf folder.
# In particular, copy tmp/system.conf and tmp/vpns.xml into controller conf folder.
# Take the files
self._log.debug(self.__class__.__name__, 'Taking the controller\'s configuration files.')
self._system_conf_file = self._fs.get_tmp_folder() + '/system.conf'
self._vpns_conf_file = self._fs.get_tmp_folder() + '/vpns.xml'
# Copy files into controller path (move into FileSystem, the class that handles all application file system
# aspects).
self._log.debug(self.__class__.__name__,
'Coping the controller\'s configuration files into controller\'s path.')
# TODO: move this instructions into FileSystem class
shutil.copy(self._system_conf_file, os.path.expanduser(self._controller_path) + 'conf/')
shutil.copy(self._vpns_conf_file, os.path.expanduser(self._controller_path) + 'conf/vpns/')
# Essentially, this method has in charge the task of running controller
self._log.debug(self.__class__.__name__, 'Starting controller.')
self._controller = ControllerStarter(self._controller_path, self._controller_cmd)
self._controller.start()
self._log.info(self.__class__.__name__, 'Controller has been correctly started.')
'''
This method destroys the scenario previously created.
'''
def destroy(self):
self._log.debug(self.__class__.__name__, 'Stopping scenario %s.', self._name)
# Remove files from tmp dir
self._log.debug(self.__class__.__name__, 'Removing configuration\'s files from temporary folder.')
self._fs.delete(self._system_conf_file)
self._fs.delete(self._vpns_conf_file)
self._log.debug(self.__class__.__name__, 'Stopping the controller.')
# Stop the controller
self._controller.stop()
self._log.info(self.__class__.__name__, 'Scenario %s has been correctly stopped.', self._name)