def monitor_fp_event():
handle = cps.event_connect()
cps.event_register(handle, _fp_port_key)
while True:
o = cps.event_wait(handle)
obj = cps_object.CPSObject(obj = o)
_update_fp(obj)
def monitor_events(self):
self.log("Started CPS events listener...")
interfaces_key = cps.key_from_name(
'observed', 'dell-base-if-cmn/if/interfaces-state/interface')
handle = cps.event_connect()
cps.event_register(handle, interfaces_key)
while True:
o = cps.event_wait(handle)
obj = cps_object.CPSObject(obj=o)
# Monitor interfaces
if interfaces_key == obj.get_key():
list = []
cps.get([
cps.key_from_name(
'observed',
'dell-base-if-cmn/if/interfaces-state/interface')
], list)
# Ignore the first entry
for entry in list[1:]:
# Construct a new object for each entry
get_obj = cps_object.CPSObject(obj=entry)
if (obj.get_attr_data("if/interfaces-state/interface/name")
== get_obj.get_attr_data(
"if/interfaces-state/interface/name")):
oper_status = get_obj.get_attr_data(
"if/interfaces-state/interface/oper-status")
# ...
new_list = []
cps.get([
cps.key_from_name(
'target',
'dell-base-if-cmn/if/interfaces/interface')
], new_list)
# Ignore the first entry
for aux_entry in new_list[1:]:
# Construct a new object for each entry
get_aux_obj = cps_object.CPSObject(obj=aux_entry)
if (get_aux_obj.get_attr_data(
"if/interfaces/interface/name") ==
obj.get_attr_data(
"if/interfaces-state/interface/name")):
if_name = get_aux_obj.get_attr_data(
"if/interfaces/interface/name")
#enabled = get_aux_obj.get_attr_data("if/interfaces/interface/enabled")
Utils.cliLogger(if_name, 1)
Utils.cliLogger(0, 1)
interface = Interface(if_name, "", 0, "", "",
oper_status, "", "", "")
Utils.timeLogger(
"EventHandler| CPS event Operstatus changed: "
)
q.put((dh.change_interface, (interface, ), {}))
def _register_ev(qual, obj):
# Listen for cps/node-group events
_key = cps.key_from_name(qual, obj)
handle = cps.event_connect()
cps.event_register(handle, _key)
t = threading.Thread(target=_ev_wait_node_grp, args=(handle, )).start()
def handle_leaked_rt_event():
_leaked_rt_evt_handle = cps.event_connect()
cps.event_register(_leaked_rt_evt_handle, _leaked_rt_key)
while True:
leaked_rt_evt = cps.event_wait(_leaked_rt_evt_handle)
obj = cps_object.CPSObject(obj=leaked_rt_evt)
if obj is None:
continue
if not 'operation' in leaked_rt_evt.keys():
continue
op = None
if leaked_rt_evt['operation'] == 'create':
op = 'add'
if leaked_rt_evt['operation'] == 'delete':
op = 'del'
src_vrf_name = None
af = None
prefix = None
prefix_len = 0
dst_vrf_name = None
try:
dst_vrf_name = obj.get_attr_data(
'os-re/os-leak-route-config/vrf-name')
af = obj.get_attr_data('os-re/os-leak-route-config/af')
prefix = obj.get_attr_data(
'os-re/os-leak-route-config/route-prefix')
prefix = binascii.unhexlify(prefix)
prefix = get_ip_str(af, prefix)
prefix_len = obj.get_attr_data(
'os-re/os-leak-route-config/prefix-len')
src_vrf_name = obj.get_attr_data(
'os-re/os-leak-route-config/src-vrf-name')
except ValueError as e:
log_err(
'Error - Mandatatory object attributes are not present for route leak configuration!'
)
continue
global _vrf_mutex
_vrf_mutex.acquire()
ret_val, nexthop_ip, nexthop_ip6 = _veth_ip_get(
dst_vrf_name, src_vrf_name, True)
_vrf_mutex.release()
if ret_val is False:
log_err('veth info. not found while handling src-vrf:%s af:%s prefix:%s/%s dst-vrd:%s'\
% (src_vrf_name, str(af), prefix, str(prefix_len), dst_vrf_name))
continue
if af == socket.AF_INET6:
nexthop_ip = nexthop_ip6
if dn_base_vrf_tool.process_leaked_rt_config(op, af, dst_vrf_name, prefix,\
prefix_len, nexthop_ip) != True:
log_err('VRF route leaking configuration failed op:%s src-vrf:%s af:%s prefix:%s/%s dst-vrd:%s'\
% (op, src_vrf_name, str(af), prefix, str(prefix_len), dst_vrf_name))
continue
def monitor_media_event():
handle = cps.event_connect()
nas_if.log_info(" registering for media")
cps.event_register(handle, cps.key_from_name('observed', 'base-pas/media'))
while True:
media = cps.event_wait(handle)
obj = cps_object.CPSObject(obj=media)
set_media_info(obj)
def handle_addr_event():
_intf_addr_evt_handle = cps.event_connect()
cps.event_register(_intf_addr_evt_handle, _linux_intf_addr_key)
global _addr_mutex
global _dad_timer
_addr_mutex = Lock()
while True:
intf_evt = cps.event_wait(_intf_addr_evt_handle)
obj = cps_object.CPSObject(obj=intf_evt)
if obj is None:
continue
if not 'operation' in intf_evt.keys():
continue
op = intf_evt['operation']
vrf_name = None
intf_name = None
intf_addr = None
intf_prefix_len = 0
dad_failed = 0
try:
dad_failed = obj.get_attr_data('base-ip/ipv6/dad-failed')
# if DAD is not failed for the IPv6 address, ignore this event.
if dad_failed == 0:
continue
vrf_name = obj.get_attr_data('base-ip/ipv6/vrf-name')
intf_name = obj.get_attr_data('base-ip/ipv6/name')
intf_addr = obj.get_attr_data('base-ip/ipv6/address/ip')
intf_addr = binascii.unhexlify(intf_addr)
intf_addr = socket.inet_ntop(socket.AF_INET6, intf_addr)
intf_prefix_len = obj.get_attr_data(
'base-ip/ipv6/address/prefix-length')
except ValueError as e:
continue
key = '*' + str(vrf_name) + '*' + str(intf_name) + '*' + str(
intf_addr) + '/' + str(intf_prefix_len) + '*'
_addr_mutex.acquire()
val = _intf_addr_dad_failed_list.get(key, None)
if op == 'create' or op == 'set':
if val is None:
_intf_addr_dad_failed_list[key] = 1
if len(_intf_addr_dad_failed_list) == 1:
_dad_timer = Timer(_dad_failure_handle_intvl,
handle_dad_failure_timer)
_dad_timer.start()
elif op == 'delete':
if val is not None:
_intf_addr_dad_failed_list.pop(key, None)
_addr_mutex.release()
def handle_ip_address_event():
_ip_addr_evt_handle = cps.event_connect()
cps.event_register(_ip_addr_evt_handle, _linux_ip_addr_key)
cps.event_register(_ip_addr_evt_handle, _linux_ipv6_addr_key)
global _vrf_ipsvcs_mutex
while True:
ip_evt = cps.event_wait(_ip_addr_evt_handle)
obj = cps_object.CPSObject(obj=ip_evt)
if obj is None:
continue
if not 'operation' in ip_evt.keys():
continue
if _linux_ip_addr_key == obj.get_key():
af = 'ipv4'
else:
af = 'ipv6'
op = ip_evt['operation']
if op == 'create' or op == 'set':
isAdd = 1
else:
isAdd = 0
if af == 'ipv6':
try:
vrf_name = obj.get_attr_data('base-ip/ipv6/vrf-name')
except ValueError as e:
vrf_name = 'default'
if vrf_name != 'default':
_vrf_ipsvcs_mutex.acquire()
ipv6_rule_programming(
obj, isAdd) # this api needs to be protected by lock
_vrf_ipsvcs_mutex.release()
else:
log_info('Default vrf ip address event. Ignore this')
else:
try:
vrf_name = obj.get_attr_data('base-ip/ipv4/vrf-name')
except ValueError as e:
vrf_name = 'default'
if vrf_name != 'default':
_vrf_ipsvcs_mutex.acquire()
ipv4_rule_programming(
obj, isAdd) # this api needs to be protected by lock
_vrf_ipsvcs_mutex.release()
else:
log_info('Default vrf ip address event. Ignore this')
def monitor_phy_media():
media.init_nas_media_info()
handle = cps.event_connect()
cps.event_register(handle, _media_key)
while True:
o = cps.event_wait(handle)
obj = cps_object.CPSObject(obj=o)
print "media event received"
try:
# configure NPU for the media-type change event
media.set_media_info(obj)
except:
# the event could be unrelated to media-type
continue
def monitor_phy_media():
media.init_nas_media_info()
handle = cps.event_connect()
cps.event_register(handle, _media_key)
while True:
o = cps.event_wait(handle)
obj = cps_object.CPSObject(obj=o)
nas_if.log_info("media event received")
try:
# configure NPU for the media-type change event
media.if_media_type_set(obj)
except:
# the event could be unrelated to media-type
continue
def monitor_media_events():
handle = cps.event_connect()
cps.event_register(handle, nas_comm.yang.get_value('media_key', 'keys_id'))
while True:
o = cps.event_wait(handle)
obj = cps_object.CPSObject(obj=o)
nas_if.log_info("Media event received")
global mutex
mutex.acquire()
try:
set_intf_request(obj)
except:
logging.exception('logical interface media event failed')
mutex.release()
def handle_interface_event_for_lla_cfg():
_intf_evt_handle = cps.event_connect()
cps.event_register(_intf_evt_handle, _linux_intf_key)
while True:
intf_evt = cps.event_wait(_intf_evt_handle)
obj = cps_object.CPSObject(obj=intf_evt)
if obj is None:
continue
if not 'operation' in intf_evt.keys():
continue
if ((intf_evt['operation'] != 'create')
and (intf_evt['operation'] != 'set')):
continue
vrf_name = None
intf_name = None
intf_mac = None
intf_admin_status = 0
try:
vrf_name = obj.get_attr_data(
'ni/if/interfaces/interface/bind-ni-name')
intf_name = obj.get_attr_data('if/interfaces/interface/name')
intf_mac = obj.get_attr_data(
'dell-if/if/interfaces/interface/phys-address')
intf_admin_status = obj.get_attr_data(
'if/interfaces/interface/enabled')
# if admin status is not enabled, ignore the interface event
if intf_admin_status != 1:
continue
except ValueError as e:
continue
mac_list = intf_mac.split(':')
# Create the LLA
lla_addr = 'fe80::'+hex(int(mac_list[0],16)^2)[2:]+mac_list[1]+':'+mac_list[2]+\
'ff:fe'+mac_list[3]+':'+mac_list[4]+mac_list[5]
lla_addr_with_prefix_len = lla_addr + '/64'
# Configuring the LLA on the L2 intf will lead to error, pass the exception
try:
add_ip_addr(lla_addr_with_prefix_len, intf_name, "ipv6", vrf_name,
False)
except:
pass
def monitor_interface_event():
handle = cps.event_connect()
cps.event_register(handle, _physical_key)
cps.event_register(handle, _logical_if_state_key)
_led_control = media.led_control_get()
while True:
o = cps.event_wait(handle)
obj = cps_object.CPSObject(obj=o)
if _physical_key == obj.get_key():
if o['operation'] != 'create':
continue
nas_if.log_info("physical port creation event")
set_media_type_on_port_create(obj)
elif _logical_if_state_key == obj.get_key():
if_index = _get_obj_attr_value(
obj, 'if/interfaces-state/interface/if-index')
# check if if_index is present
if if_index == None:
nas_if.log_err(
'Interface index not present in the interface state event')
continue
# Get Interface attributes
admin_state = _get_obj_attr_value(
obj, 'if/interfaces-state/interface/admin-status')
if admin_state != None:
# This is admin state change event
try:
if_obj_list = nas_if.nas_os_if_list(
d={'if-index': if_index})
set_media_transceiver(if_obj_list[0])
except:
nas_if.log_err("Unable to set media transceiver for ",
str(if_index))
if _led_control == True:
oper_state = _get_obj_attr_value(
obj, 'if/interfaces-state/interface/oper-status')
if oper_state != None:
try:
set_interface_led(if_obj_list[0])
except:
nas_if.log_err("Error in setting LED")
continue
def monitor_interface_event():
handle = cps.event_connect()
cps.event_register(handle,
nas_comm.yang.get_value('physical_key', 'keys_id'))
cps.event_register(
handle, nas_comm.yang.get_value('logical_if_state_key', 'keys_id'))
cps.event_register(
handle, nas_comm.yang.get_value('obs_logical_if_key', 'keys_id'))
_led_control = media.led_control_get()
while True:
o = cps.event_wait(handle)
obj = cps_object.CPSObject(obj=o)
if nas_comm.yang.get_value('fp_key', 'keys_id') == obj.get_key():
_update_fp(obj)
if nas_comm.yang.get_value('physical_key', 'keys_id') == obj.get_key():
continue
if nas_comm.yang.get_value('obs_logical_if_key',
'keys_id') == obj.get_key():
_process_logical_if_event(obj)
elif nas_comm.yang.get_value('logical_if_state_key',
'keys_id') == obj.get_key():
if_index = _get_obj_attr_value(
obj, 'if/interfaces-state/interface/if-index')
# check if if_index is present
if if_index is None:
nas_if.log_err(
'Interface index not present in the interface state event')
continue
# Get Interface attributes
if_obj_list = nas_if.nas_os_if_list(d={'if-index': if_index})
if if_obj_list is None:
nas_if.log_err(
'Failed to get Interface attributes by ifindex from NAS interface'
)
continue
admin_state = _get_obj_attr_value(
obj, 'if/interfaces-state/interface/admin-status')
if admin_state != None:
# This is admin state change event
try:
set_media_transceiver(if_obj_list[0])
except:
nas_if.log_err(
"Unable to set media transceiver for if_index {}".
format(str(if_index)))
if _led_control == True:
oper_state = _get_obj_attr_value(
obj, 'if/interfaces-state/interface/oper-status')
if oper_state != None:
try:
set_interface_media_speed(if_obj_list[0])
except:
nas_if.log_err("Error in setting LED")
continue
def monitor_interface_event():
handle = cps.event_connect()
cps.event_register(handle, _physical_key)
cps.event_register(handle, _logical_if_state_key)
_led_control = media.led_control_get()
while True:
o = cps.event_wait(handle)
obj = cps_object.CPSObject(obj=o)
if _physical_key == obj.get_key():
if o['operation'] != 'create':
continue
print "physical port creation event"
set_media_type_on_port_create(obj)
elif _logical_if_state_key == obj.get_key():
if_index = _get_obj_attr_value(obj, 'if/interfaces-state/interface/if-index')
# check if if_index is present
if if_index == None:
print 'Interface index not present in the interface state event'
continue
# Get Interface attributes
admin_state = _get_obj_attr_value(obj, 'if/interfaces-state/interface/admin-status')
if admin_state != None:
# This is admin state change event
try:
if_obj_list = nas_if.nas_os_if_list(d={'if-index':if_index})
set_media_transceiver(if_obj_list[0])
except:
print "Unable to set media transceiver for ", str(if_index)
if _led_control == True:
oper_state = _get_obj_attr_value(obj, 'if/interfaces-state/interface/oper-status')
if oper_state != None:
try:
set_interface_led(if_obj_list[0])
except:
print "Error in setting LED"
continue
# CONDITIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED, INCLUDING WITHOUT
# LIMITATION ANY IMPLIED WARRANTIES OR CONDITIONS OF TITLE, FITNESS
# FOR A PARTICULAR PURPOSE, MERCHANTABLITY OR NON-INFRINGEMENT.
#
# See the Apache Version 2.0 License for specific language governing
# permissions and limitations under the License.
#
import cps
import cps_object
import cps_utils
_ipv4_key = cps.key_from_name('target', 'base-ip/ipv4')
_ipv6_key = cps.key_from_name('target', 'base-ip/ipv6')
if __name__ == '__main__':
# monitor ip change event
handle = cps.event_connect()
cps.event_register(handle, _ipv4_key)
cps.event_register(handle, _ipv6_key)
while True:
o = cps.event_wait(handle)
print o
obj = cps_object.CPSObject(obj=o)
cps_utils.print_obj(obj)
if _ipv4_key == obj.get_key():
print "IPv4 change event received"
elif _ipv6_key == obj.get_key():
print "IPv6 change event received"
# Python code block to register for events
import cps
# Create handle to connect to event service
handle = cps.event_connect()
# Regidter key with event service
cps.event_register(handle, cps.key_from_name('observed',
'base-port/interface'))
while True:
obj = cps.event_wait(handle)
print obj
def init_events():
global cps_ev_hdl
cps_ev_hdl = cps.event_connect()
cps.event_register(
cps_ev_hdl,
cps.key_from_name('observed', 'base-if-linux/if/interfaces/interface'))
def monitor_VLAN_interface_event():
_vlan_handle = cps.event_connect()
cps.event_register(_vlan_handle, _intf_vlan_key)
mcast_utils.log_info('monitor_VLAN_interface_event started')
while True:
vlan_event = cps.event_wait(_vlan_handle)
obj = cps_object.CPSObject(obj=vlan_event)
if obj is None:
mcast_utils.log_err(
'VLAN_MONITOR: Object not present in the event')
continue
if obj.get_key() != _intf_vlan_key:
mcast_utils.log_debug(
'VLAN_MONITOR: Wrong VLAN interface event, ignore')
continue
try:
vlan_name = obj.get_attr_data('if/interfaces/interface/name')
# check if if_name is present
if vlan_name is None:
mcast_utils.log_err(
'VLAN_MONITOR: VLAN name not present in the event')
continue
if 'operation' in vlan_event:
mcast_utils.log_info('VLAN_MONITOR: Received %s %s event' %
(vlan_name, vlan_event['operation']))
if (vlan_event['operation'] == 'create'):
ret = mcast_utils._update_file_system(
mcast_utils._get_path_per_vlan_configs(
vlan_name, "multicast_snooping"), 0)
if ret is True:
mcast_utils.log_info(
'VLAN_MONITOR: Disabled snooping on %s in kernel' %
(vlan_name))
else:
mcast_utils.log_err(
'VLAN_MONITOR: Failed to disable snooping on %s in kernel'
% (vlan_name))
elif (vlan_event['operation'] == 'delete'):
#On VLAN deletion, not sure application sends the snoop disable, even if it sends it comes
#with VLAN id, so for getting ifname NAS interface may not have VLAN and will fail to get name.
#and per VLAN rule in kernel may not get deleted. So here on VLAN deletion the per VLAN IGMP/MLD
#rules are deleted.
#
if (snoop_remove_vlan_rules(True, vlan_name)) is False:
mcast_utils.log_debug(
'VLAN_MONITOR: Failed to remove IGMP ebtables rule in kernel for %s'
% (vlan_name))
if (snoop_remove_vlan_rules(False, vlan_name)) is False:
mcast_utils.log_debug(
'VLAN_MONITOR: Failed to remove MLD ebtables rule in kernel for %s'
% (vlan_name))
else:
mcast_utils.log_info(
'VLAN_MONITOR: Received event without operation' %
(vlan_name))
except Exception as e:
mcast_utils.log_err('VLAN_MONITOR: Exception: %s' % e)
import cps
handle = cps.event_connect()
cps.event_register(handle, cps.key_from_name('observed','base-port/interface'))
while True:
obj = cps.event_wait(handle)
print obj
#Python code block for CPS event subscriber application
import cps
import cps_utils
handle = cps.event_connect()
cps.event_register(handle, cps_api_object_key)
while True:
ev = cps.event_wait(handle)
if ev[‘key’] == ...:
... elif ev['key'] == ...:
...
print "\nCheck the qualifier, not a valid qualifier "
cps_trace_usage()
exit(1)
if len(sys.argv) > 2:
_key = cps.key_from_name(in_qual, sys.argv[2])
else:
_key = cps.key_from_qual(in_qual)
print "Key : " + _key
if ((_key == "") or (_key == None)):
print "Check the object name, not a valid object\n"
exit(1)
if len(sys.argv) > 2:
print " Registering for " + in_qual + " " + sys.argv[2]
else:
print " Registering for " + in_qual
handle = cps.event_connect()
cps.event_register(handle, _key)
while True:
ev = cps.event_wait(handle)
print ev['key']
if 'operation' in ev:
print "Operation : ", ev['operation']
cps_utils.print_obj(ev)
#
# THIS CODE IS PROVIDED ON AN *AS IS* BASIS, WITHOUT WARRANTIES OR
# CONDITIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED, INCLUDING WITHOUT
# LIMITATION ANY IMPLIED WARRANTIES OR CONDITIONS OF TITLE, FITNESS
# FOR A PARTICULAR PURPOSE, MERCHANTABLITY OR NON-INFRINGEMENT.
#
# See the Apache Version 2.0 License for specific language governing
# permissions and limitations under the License.
import cps
import cps_object
import cps_utils
_ipv4_key = cps.key_from_name('target', 'base-ip/ipv4')
_ipv6_key = cps.key_from_name('target', 'base-ip/ipv6')
if __name__ == '__main__':
# monitor ip change event
handle = cps.event_connect()
cps.event_register(handle, _ipv4_key)
cps.event_register(handle, _ipv6_key)
while True:
o = cps.event_wait(handle)
print o
obj = cps_object.CPSObject(obj=o)
cps_utils.print_obj(obj)
if _ipv4_key == obj.get_key():
print "IPv4 change event received"
elif _ipv6_key == obj.get_key():
print "IPv6 change event received"
#!/usr/bin/python
import sys
import cps
import cps_object
import cps_utils
import nas_os_utils
print "NHT CPS registration..."
handle = cps.event_connect()
cps.event_register(handle, cps.key_from_name('observed',
'base-route/nh-track'))
while True:
nht_event = cps_object.CPSObject(obj=cps.event_wait(handle))
dest_addr = nht_event.get_attr_data('dest-addr')
nh_count = 0
nh_count = nht_event.get_attr_data('nh-count')
print "Received NHT Event for: ", dest_addr, nh_count
