Update bgp suppress fib script for vrf case (sonic-net#17051)

* Update bgp suppress fib script for vrf case

1.Add 'BGP_GLOBALS' into config db
2.Remove 'nhopself' and 'rrclient' from 'BGP_NEIGHBOR'

Change-Id: Ia1685053969117f2e46f19b2f09def19094c410a

* Update test_bgp_suppress_fib.py

Author: echuawu

tests/bgp/test_bgp_suppress_fib.py

@@ -304,6 +304,22 @@ def setup_vrf_cfg(duthost, cfg_facts, nbrhosts, tbinfo):
     """
     cfg_t1 = deepcopy(cfg_facts)
     cfg_t1.pop('config_port_indices', None)
+    for loopback in cfg_t1['LOOPBACK_INTERFACE']:
+        loopback_items = loopback.split('|')
+        if len(loopback_items) == 2 and loopback_items[0] == 'Loopback0':
+            ipaddr = ipaddress.ip_address(loopback_items[1].split('/')[0])
+            if isinstance(ipaddr, ipaddress.IPv4Address):
+                router_id = str(ipaddr)
+                break
+    dut_asn = tbinfo['topo']['properties']['configuration_properties']['common']['dut_asn']
+    if 'BGP_GLOBALS' not in cfg_t1:
+        cfg_t1['BGP_GLOBALS'] = {}
+        cfg_t1['BGP_GLOBALS'][USER_DEFINED_VRF] = {}
+        cfg_t1['BGP_GLOBALS'][USER_DEFINED_VRF]['router_id'] = router_id
+        cfg_t1['BGP_GLOBALS'][USER_DEFINED_VRF]['local_asn'] = dut_asn
+    for bgp_neighbor in cfg_t1['BGP_NEIGHBOR']:
+        cfg_t1['BGP_NEIGHBOR'][bgp_neighbor].pop('nhopself', None)
+        cfg_t1['BGP_NEIGHBOR'][bgp_neighbor].pop('rrclient', None)
     port_list = get_port_connected_with_vm(duthost, nbrhosts)
     vm_list = nbrhosts.keys()
     mg_facts = duthost.get_extended_minigraph_facts(tbinfo)