def tacacs_plus_config_handler(op, old_instance, new_instance, modified_fields=None):
if isinstance(old_instance, TacacsPlusConfig):
if op == 'DELETE':
# deleting the config singleton (presumably during shutdown?)
return
if isinstance(old_instance, TacacsPlusConfig):
config_id = old_instance.id
else:
config_id = 'tacacs'
try:
config = TacacsPlusConfig.objects.get(pk=config_id)
except TacacsPlusConfig.DoesNotExist:
# cons up a dummy config object, not necessary to save it
config = TacacsPlusConfig()
# get current list of hosts (op==DELETE ignored here)
##hosts = TacacsPlusHost.objects.order_by('timestamp')
def timestampSort(h1, h2):
return cmp(h1.timestamp, h2.timestamp)
hosts = sorted(TacacsPlusHost.objects.all(), timestampSort)
# XXX roth -- config is passed as-is, not as a single-element list
cj = serializers.serialize("json", [config])
hj = serializers.serialize("json", hosts)
print "Calling oswrapper with:", [cj, hj]
exec_os_wrapper('TacacsPlusConfig', 'set', [cj, hj])
def tz_config_handler(op, old_instance, new_instance, modified_fields=None):
if op == "DELETE":
if str(old_instance.id) != get_local_controller_id():
return
exec_os_wrapper("UnsetTimezone", 'set')
elif op == "INSERT" or op == "UPDATE":
if str(new_instance.id) != get_local_controller_id():
return
if new_instance.time_zone != None and str(new_instance.time_zone) != "":
exec_os_wrapper("SetTimezone", 'set', [new_instance.time_zone])
def snmp_server_config_handler(op, old_instance, new_instance, modified_fields=None):
if op == 'DELETE':
exec_os_wrapper('UnsetSnmpServerConfig', 'set', [])
elif op == 'INSERT' or op == 'UPDATE':
# enable_changed is true if operation is INSERT, else compare with old instance
if (op == 'INSERT'):
enable_changed = (new_instance.server_enable is True) #since default is False
print 'operation= insert, enable_changed = ', enable_changed
else:
enable_changed = (new_instance.server_enable != old_instance.server_enable)
server_enable = new_instance.server_enable
community = '' if new_instance.community is None else new_instance.community
location = '' if new_instance.location is None else new_instance.location
contact = '' if new_instance.contact is None else new_instance.contact
print "Calling oswrapper with:", [server_enable, community, location, contact, enable_changed]
exec_os_wrapper('SetSnmpServerConfig', 'set',
[server_enable, community, location, contact, enable_changed])
def firewall_entry_handler(op, old_instance, new_instance, modified_fields=None):
#allow in on eth0 proto tcp from any to any port 80
print "XXX: firewall handler called-1"
command = ""
if op == "DELETE" and str(old_instance.interface.controller) == get_local_controller_id():
command += "delete "
instance = old_instance
elif (op == "INSERT" or op == "UPDATE") and str(new_instance.interface.controller) == get_local_controller_id():
instance = new_instance
else:
return
print instance.action
print instance.proto
print instance.port
print instance.src_ip
print instance.vrrp_ip
print "XXX: firewall handler called-2"
controller_interface = instance.interface
eth = 'eth' + str(controller_interface.number) #LOOK! Hardcoded to eth interface
proto_str = ""
if instance.proto != '' and instance.proto != 'vrrp':
proto_str = " proto " + instance.proto
action_str = instance.action
src_str = " from any"
if instance.src_ip != '':
src_str = " from " + instance.src_ip
dst_str = " to any"
if instance.vrrp_ip != '':
dst_str = " to " + instance.vrrp_ip
print "dst_str = ", dst_str
port_str = ""
if instance.port != 0:
port_str = " port " + str(instance.port)
command += (action_str + " in on " + eth + proto_str + src_str + dst_str + port_str)
print command
exec_os_wrapper('ExecuteUfwCommand', 'set', [command])
if instance.port == 6633 and action_str == 'reject' and op != 'DELETE':
exec_os_wrapper('RestartSDNPlatform', 'set', [])
def logging_server_config_handler(op, old_instance, new_instance, modified_fields=None):
if op == "DELETE":
if str(old_instance.id) != get_local_controller_id():
return
exec_os_wrapper("UnsetSyslogServer", 'set',
[old_instance.logging_server, old_instance.logging_level])
elif op == "INSERT" or op == "UPDATE":
if str(new_instance.id) != get_local_controller_id():
return
if new_instance.logging_server != "" and new_instance.logging_enabled:
exec_os_wrapper("SetSyslogServer", 'set',
[new_instance.logging_server, new_instance.logging_level])
else:
exec_os_wrapper("UnsetSyslogServer", 'set',
[new_instance.logging_server, new_instance.logging_level])
def images_user_ssh_key_config_handler(op, old_instance, new_instance, modified_fields=None):
if op == 'INSERT' or op == 'UPDATE':
sshkey = "\"" + str(new_instance.images_user_ssh_key) + "\""
exec_os_wrapper('SetImagesUserSSHKey', 'set', [sshkey])
def controller_alias_config_handler(op, old_instance, new_instance, modified_fields=None):
if op == 'INSERT' or op == 'UPDATE':
if str(new_instance.controller) == get_local_controller_id():
exec_os_wrapper("SetHostname", 'set', [new_instance.alias])
def netvirt_feature_config_handler(op, old_instance, new_instance, modified_fields=None):
if op == "INSERT" or op == "UPDATE":
if new_instance.netvirt_feature:
exec_os_wrapper("SetDefaultConfig", 'set', [new_instance.netvirt_feature])
else:
exec_os_wrapper("SetStaticFlowOnlyConfig", 'set', [new_instance.netvirt_feature])
def vrrp_virtual_router_id_config_handle(op, old_instance, new_instance, modified_fields=None):
if op == "INSERT" or op == "UPDATE":
exec_os_wrapper("SetVrrpVirtualRouterId", 'set',
[new_instance.cluster_number])
def ntp_config_handler(op, old_instance, new_instance, modified_fields=None):
if new_instance != None:
exec_os_wrapper("SetNtpServer", 'set', [new_instance.ntp_server])
# unknown controller node during delete, no need to
# do anything with any of these interfaces
return
else:
raise Exception('Unknown model change trigger network config handler')
if controller_id != get_local_controller_id():
return
if op == 'DELETE':
# don't reconfigure the interfaces during delete, since
# for deletes, the values of ip/netmask don't get updated
dns = ControllerDomainNameServer.objects.filter(
controller=controller_node).order_by('timestamp')
exec_os_wrapper('NetworkConfig', 'set',
[serializers.serialize("json", [controller_node]),
serializers.serialize("json", dns)])
else:
# op != 'DELETE'
#
# XXX what about HA?
# 'ifs' below isn't filtered by controller, the NetConfig
# target will only select interfaces assocaited with the
# controller-node 'localhost.
dns = ControllerDomainNameServer.objects.filter(
controller=controller_node).order_by('-priority')
ifs = ControllerInterface.objects.filter(controller=controller_node)
exec_os_wrapper('NetworkConfig', 'set',
[serializers.serialize("json", [controller_node]),
serializers.serialize("json", dns),
serializers.serialize("json", ifs)])
