def refresh_if_config(ip, mask, gw, dns, type):
logging.basicConfig()
logger = logging.getLogger(get_server_logging_name())
logger.setLevel(logging.DEBUG)
logger.debug("Attempting to refresh if configuration of the host")
do_persist = False # flag indicate that the configuration should be persisted
try:
logger.debug("Retrieving current ip configuration")
default_if = route.get_default_if()
eth = Interface(default_if)
current_ip = eth.get_ip()
current_gw = route.get_default_gw()
# handling ip modification
if current_ip != ip:
logger.debug("Need to update the ip address of the default network interface [%s]" % (default_if))
# eth.set_ip(ip)
do_persist = True
else:
logger.debug("No need to update configuration of the interface")
# handling mask modification
tmp_mask = IPAddress(mask)
requested_mask = int(tmp_mask)
if requested_mask != eth.get_netmask():
logger.debug("Need to update the netmask")
# eth.set_netmask(requested_mask)
do_persist = True
else:
logger.debug("No need to update netmask configuration")
# persist if necessary
if do_persist:
logger.debug("Persisting configuration ...")
new_config = {}
new_config["eth"] = default_if
new_config["ip"] = ip
new_config["mask"] = mask
new_config["dns"] = dns
new_config["gw"] = current_gw
new_config["type"] = type # type of configuration (static or dynamic)
# TODO : need to check the distrib to choose the right method to persist data
persist_config_debian_like(new_config)
logger.debug("Network interface configuration successfully updated")
restart_network(default_if)
else:
logger.debug("No need to persist the configuration")
except Exception, ex:
logger.error("Unable to refresh if configuration [%s]" % (ex))
old_url = fhdl.readline()
fhdl.close()
return old_url
def format_netmask(ip_str, netmask_int):
try :
plain_ip = "%s/%s" % (ip_str, netmask_int)
ip = IPNetwork(plain_ip)
return str(ip.netmask)
except Exception :
return '0.0.0.0'
try :
default_if = route.get_default_if();
eth0 = Interface(default_if)
ip = eth0.get_ip()
mask = format_netmask(ip, eth0.get_netmask())
gw = route.get_default_gw()
except Exception :
ip = '0.0.0.0'
mask = '0.0.0.0'
gw = '0.0.0.0'
resolver = Resolver()
# load only the first dns but we may have up to 3 entries
dns = resolver.nameservers[0]
url = get_old_url()
response = { 'statusCode' : 0, 'statusMessage' : 'SUCCESS', 'body' : { 'ip' : ip, 'mask' : mask, 'gw' : gw, 'dns' : dns, 'url' : url.rstrip('\n') , 'message' : 'Configuration successfully loaded' } }
# after processing sending back response as json ...
print "Content-type: application/json\n\n"