def setup_config_session(self):
"""
Setup vyos session. A random uuid is generated as a sesssion identifier
($PPID -Shell PID- could be used as well).
"""
identifier = uuid4()
env = {}
env['VYATTA_CHANGES_ONLY_DIR'] = '/opt/vyatta/config/tmp/changes_only_{}'.format(identifier)
env['VYATTA_CONFIG_TEMPLATE'] = '/opt/vyatta/share/vyatta-cfg/templates'
env['VYATTA_ACTIVE_CONFIGURATION_DIR'] = '/opt/vyatta/config/active'
env['VYATTA_EDIT_LEVEL'] = '/'
env['VYATTA_TEMP_CONFIG_DIR'] = '/opt/vyatta/config/tmp/new_config_{}'.format(identifier)
env['VYATTA_TEMPLATE_LEVEL'] = '/'
env['VYATTA_CONFIG_TMP'] = '/opt/vyatta/config/tmp/tmp_{}'.format(identifier)
# Add vyos session environment to system environment. This is not good but actually it seems
# that is the only way to handle a persistant vyos session after spawning a shell.
os.environ.update(env)
logger.info('Setting up a configuration session for Vyos')
# Spawn shell and setup vyos config session
if _run('{} setupSession'.format(VYOS_SHELL_API)):
# Unset vyos session environment and raise an exception
logger.error('Could not create configuration session')
logger.info('Cleaning up session environment variables')
clean_environ(env)
raise SetupSessionFailed('Could not create session !')
self.session_id = identifier
self.session_envs = env
logger.debug('Session identifier is %s', identifier)
logger.debug('Session environment variables: %s', env)
logger.info('Configuration session is set up')
return True
def setup_config_session(self):
"""
Setup vyos session. A random uuid is generated as a sesssion identifier
($PPID -Shell PID- could be used as well).
"""
identifier = uuid4()
env = {}
env['VYATTA_CHANGES_ONLY_DIR'] = '/opt/vyatta/config/tmp/changes_only_{}'.format(
identifier)
env['VYATTA_CONFIG_TEMPLATE'] = '/opt/vyatta/share/vyatta-cfg/templates'
env['VYATTA_ACTIVE_CONFIGURATION_DIR'] = '/opt/vyatta/config/active'
env['VYATTA_EDIT_LEVEL'] = '/'
env['VYATTA_TEMP_CONFIG_DIR'] = '/opt/vyatta/config/tmp/new_config_{}'.format(
identifier)
env['VYATTA_TEMPLATE_LEVEL'] = '/'
env['VYATTA_CONFIG_TMP'] = '/opt/vyatta/config/tmp/tmp_{}'.format(
identifier)
# Add vyos session environment to system environment. This is not good but actually it seems
# that is the only way to handle a persistant vyos session after spawning a shell.
os.environ.update(env)
logger.info('Setting up a configuration session for Vyos')
# Spawn shell and setup vyos config session
if _run('{} setupSession'.format(VYOS_SHELL_API)):
# Unset vyos session environment and raise an exception
logger.error('Could not create configuration session')
logger.info('Cleaning up session environment variables')
clean_environ(env)
raise SetupSessionFailed('Could not create session !')
self.session_id = identifier
self.session_envs = env
logger.debug('Session identifier is %s', identifier)
logger.debug('Session environment variables: %s', env)
logger.info('Configuration session is set up')
return True
def teardown_config_session(self):
"""
End current configuration session.
"""
if not self.session_exists():
logger.warn('Teardown failed. No session available !')
return False
if not _run('{} teardownSession'.format(VYOS_SHELL_API)):
logger.info('Cleaning up session environment variables')
logger.info('Closing Vyos config session')
clean_environ(self.session_envs)
return True
logger.error('Failed to teardown current config session')
logger.warn('The Vyos config session may still open !')
return False
def teardown_config_session(self):
"""
End current configuration session.
"""
if not self.session_exists():
logger.warn('Teardown failed. No session available !')
return False
if not _run('{} teardownSession'.format(VYOS_SHELL_API)):
logger.info('Cleaning up session environment variables')
logger.info('Closing Vyos config session')
clean_environ(self.session_envs)
return True
logger.error('Failed to teardown current config session')
logger.warn('The Vyos config session may still open !')
return False
