tests: micronet: update infra

Signed-off-by: Christian Hopps <chopps@labn.net>

.pylintrc

@@ -0,0 +1,6 @@
+[MASTER]
+init-hook="import sys; sys.path.insert(0, '..')"
+signature-mutators=common_config.retry,retry
+
+[MESSAGES CONTROL]
+disable=I,C,R,W

tests/topotests/bfd_vrf_topo1/test_bfd_vrf_topo1.py

@@ -108,10 +108,10 @@ def setup_module(mod):
     for rname, router in router_list.items():
         # create VRF rx-bfd-cust1 and link rx-eth0 to rx-bfd-cust1
         for cmd in cmds:
-            output = tgen.net[rname].cmd(cmd.format(rname))
+            output = tgen.net[rname].cmd_raises(cmd.format(rname))
         if rname == "r2":
             for cmd in cmds2:
-                output = tgen.net[rname].cmd(cmd.format(rname))
+                output = tgen.net[rname].cmd_raises(cmd.format(rname))
 
     for rname, router in router_list.items():
         router.load_config(

tests/topotests/bgp_evpn_mh/test_evpn_mh.py

@@ -30,6 +30,9 @@
 import os
 import re
 import sys
+import subprocess
+from functools import partial
+
 import pytest
 import json
 import platform
@@ -599,18 +602,20 @@ def test_evpn_ead_update():
 def ping_anycast_gw(tgen):
     # ping the anycast gw from the local and remote hosts to populate
     # the mac address on the PEs
+    python3_path = tgen.net.get_exec_path(["python3", "python"])
     script_path = os.path.abspath(os.path.join(CWD, "../lib/scapy_sendpkt.py"))
     intf = "torbond"
     ipaddr = "45.0.0.1"
     ping_cmd = [
+        python3_path,
         script_path,
         "--imports=Ether,ARP",
         "--interface=" + intf,
-        "'Ether(dst=\"ff:ff:ff:ff:ff:ff\")/ARP(pdst=\"{}\")'".format(ipaddr)
+        'Ether(dst="ff:ff:ff:ff:ff:ff")/ARP(pdst="{}")'.format(ipaddr)
     ]
     for name in ("hostd11", "hostd21"):
-        host = tgen.net[name]
-        stdout = host.cmd(ping_cmd)
+        host = tgen.net.hosts[name]
+        _, stdout, _ = host.cmd_status(ping_cmd, warn=False, stderr=subprocess.STDOUT)
         stdout = stdout.strip()
         if stdout:
             host.logger.debug("%s: arping on %s for %s returned: %s", name, intf, ipaddr, stdout)

tests/topotests/bgp_vrf_dynamic_route_leak/test_bgp_vrf_dynamic_route_leak_topo1.py

@@ -117,8 +117,6 @@
 LOOPBACK_1 = {
     "ipv4": "10.0.0.7/24",
     "ipv6": "fd00:0:0:1::7/64",
-    "ipv4_mask": "255.255.255.0",
-    "ipv6_mask": None,
 }
 LOOPBACK_2 = {
     "ipv4": "10.0.0.16/24",