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Fetch a particular flow record using nh_id #470

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40 changes: 15 additions & 25 deletions scripts/ecmp/ecmp_traffic.py
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Original file line number Diff line number Diff line change
Expand Up @@ -111,32 +111,22 @@ def verify_flow_records(self, src_vm, src_ip= None, dst_ip= None):
dpi2 = unicode(9001)
dpi3 = unicode(9002)
dpi_list = [dpi1, dpi2, dpi3]
vn_fq_name= src_vm.vn_fq_name
items_list= src_vm.tap_intf[vn_fq_name].items()
for items, values in items_list:
if items == 'flow_key_idx':
nh_id= values
self.logger.debug('Flow Index of the src_vm is %s'%nh_id)
inspect_h = self.agent_inspect[src_vm.vm_node_ip]
rev_flow_result = False
for iter in range(25):
self.logger.debug('**** Iteration %s *****' % iter)
flowrecords = []
flowrecords = inspect_h.get_vna_fetchallflowrecords()
if type(flowrecords) == types.NoneType:
self.logger.debug('No flows on %s.' %src_vm.vm_node_ip)
break
else:
for rec in flowrecords:
if ((rec['dip'] == src_ip) or (rec['sip'] == src_ip))and (rec['protocol'] == '17'):
self.logger.info(
'Flow between %s and %s exists.' %
(dst_ip, src_ip))
rev_flow_result = True
break
else:
rev_flow_result = False
if rev_flow_result:
break
else:
iter += 1
sleep(5)
assert rev_flow_result, 'Flow between %s and %s not seen' % (
dst_ip, src_ip)
flow_rec = inspect_h.get_vna_fetchflowrecord(
nh= nh_id, sip=src_ip, dip=dst_ip, sport=src_port, dport=dpi1, protocol='17')

flow_result= True
if flow_rec is None:
flow_result= False
else:
self.logger.info('Flow between %s and %s seen' % (dst_ip, src_ip))
assert flow_result, 'Flow between %s and %s not seen' % (dst_ip, src_ip)

return True
# end verify_flow_records
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4 changes: 2 additions & 2 deletions scripts/vna_introspect_utils.py
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Original file line number Diff line number Diff line change
Expand Up @@ -209,12 +209,12 @@ def get_vna_fetchallflowrecords(self):
records = EtreeToDict(xpath).get_all_entry(r)
return records['flow_list']

def get_vna_fetchflowrecord(self, vrf=None, sip=None, dip=None, sport=None, dport=None, protocol=None):
def get_vna_fetchflowrecord(self, nh=None, sip=None, dip=None, sport=None, dport=None, protocol=None):
'''http://10.204.216.15:8085/Snh_FetchFlowRecord?vrf=1&sip=1.1.1.253&dip=2.1.1.253&src_port=0&dst_port=0&protocol=1
usage:self.records=inspect_h.get_vna_fetchflowrecord(vrf='1',sip='1.1.1.253',dip='2.1.1.253',sport='0',dport='0',protocol='1')

return value:[{'vrf': '1'}, {'sip': '1.1.1.253'}, {'dip': '2.1.1.253'}, {'src_port': '0'}, {'dst_port': '0'}, {'protocol': '1'}, {'dest_vrf': '0'}, {'action': '32'}, {'mirror_ip': '0.0.0.0'}, {'mirror_port': '0'}, {'direction': 'ingress'}, {'stats_bytes': '0'}, {'stats_packets': '0'}, {'uuid': 'aa010de9-5eec-48d8-884a-ccbc5de665bb'}, {'nat': 'disabled'}, {'flow_handle': '54518'}, {'interface_idx': '3'}, {'setup_time': '2013-Jun-17 11:28:08.708658'}, {'refcount': '4'}, {'implicit_deny': 'no'}, {'short_flow': 'no'}, {'setup_time_utc': '1371468488708658'}]'''
path = 'Snh_FetchFlowRecord?vrf=' + vrf + '&sip=' + sip + '&dip=' + dip + \
path = 'Snh_FetchFlowRecord?nh=' + nh + '&sip=' + sip + '&dip=' + dip + \
'&src_port=' + sport + '&dst_port=' + \
dport + '&protocol=' + protocol
rec = self.dict_get(path)
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