def rollback(self):
try:
yield self.stopNetwork()
except Exception:
pass
#Most important command: this allows us to reboot safely
try:
move(self.backup_file, self.config_file)
finally:
yield self.startNetwork()
if EDENWALL:
saveHaType(self.component.ufwi_conf_var_dir, self.prev_ha_status)
def apply(self):
if exists(FIRST_APPLY_STAMP):
#the first apply comes after a discovery of linux net parameters
#there is a dhclient running
move(FIRST_APPLY_STAMP, SECOND_APPLY_STAMP)
elif exists(SECOND_APPLY_STAMP):
#The second application is made by a human being, maybe a confirmation
#of what dhclient gave us, or not
yield(self.killdhclients())
remove(SECOND_APPLY_STAMP)
yield self.stopNetwork()
move(self.temp_file, self.config_file)
yield self.startNetwork()
self.setEthernetSpeeds()
if EDENWALL:
saveHaType(self.component.ufwi_conf_var_dir, self.ha_status)
