Changes in swss-utilities submodule to support NAT feature. (sonic-net#645)

Signed-off-by: [email protected]

Author: lguohan

clear/main.py

@@ -380,5 +380,30 @@ def line(linenum):
     cmd = "consutil clear " + str(linenum)
     run_command(cmd)
 
+#
+# 'nat' group ("clear nat ...")
+#
+
+@cli.group(cls=AliasedGroup, default_if_no_args=False)
+def nat():
+    """Clear the nat info"""
+    pass
+
+# 'statistics' subcommand ("clear nat statistics")
+@nat.command()
+def statistics():
+    """ Clear all NAT statistics """
+
+    cmd = "natclear -s"
+    run_command(cmd)
+
+# 'translations' subcommand ("clear nat translations")
+@nat.command()
+def translations():
+    """ Clear all NAT translations """
+
+    cmd = "natclear -t"
+    run_command(cmd)
+
 if __name__ == '__main__':
     cli()

config/main.py

@@ -19,6 +19,7 @@
 
 import aaa
 import mlnx
+import nat
 
 CONTEXT_SETTINGS = dict(help_option_names=['-h', '--help', '-?'])
 
@@ -404,6 +405,7 @@ def _stop_services():
         'pmon',
         'bgp',
         'hostcfgd',
+        'nat'
     ]
     if asic_type == 'mellanox' and 'pmon' in services_to_stop:
         services_to_stop.remove('pmon')
@@ -432,7 +434,8 @@ def _reset_failed_services():
         'snmp',
         'swss',
         'syncd',
-        'teamd'
+        'teamd',
+        'nat'
     ]
 
     for service in services_to_reset:
@@ -455,6 +458,7 @@ def _restart_services():
         'pmon',
         'lldp',
         'hostcfgd',
+        'nat',
         'sflow',
     ]
     if asic_type == 'mellanox' and 'pmon' in services_to_restart:
@@ -487,6 +491,8 @@ def config():
         exit("Root privileges are required for this operation")
 config.add_command(aaa.aaa)
 config.add_command(aaa.tacacs)
+# === Add NAT Configuration ==========
+config.add_command(nat.nat)
 
 @config.command()
 @click.option('-y', '--yes', is_flag=True, callback=_abort_if_false,