[supervisor][show][interfaces]Fixed show interfaces command shows warning on Supervisor card

tests/interfaces_test.py

@@ -2,6 +2,7 @@
 import traceback
 
 from click.testing import CliRunner
+from unittest import mock
 
 import show.main as show
 
@@ -292,7 +293,30 @@ def test_show_interfaces_portchannel_in_alias_mode(self):
         traceback.print_tb(result.exc_info[2])
         assert result.exit_code == 0
         assert result.output == show_interfaces_portchannel_in_alias_mode_output
-
+
+    @mock.patch('sonic_py_common.multi_asic.get_port_table', mock.MagicMock(return_value={}))
+    def test_supervisor_show_interfaces_alias_etp1_with_waring(self):
+        runner = CliRunner()
+        os.environ['SONIC_CLI_IFACE_MODE'] = "alias"
+        result = runner.invoke(show.cli.commands["interfaces"].commands["alias"], ["etp1"])
+        os.environ['SONIC_CLI_IFACE_MODE'] = "default"
+        print(result.exit_code)
+        print(result.output)
+        assert result.exit_code != 0
+        assert "Configuration database contains no ports" in result.output
+
+    @mock.patch('sonic_py_common.multi_asic.get_port_table', mock.MagicMock(return_value={}))
+    @mock.patch('sonic_py_common.device_info.is_supervisor', mock.MagicMock(return_value=True))
+    def test_supervisor_show_interfaces_alias_etp1_without_waring(self):
+        runner = CliRunner()
+        os.environ['SONIC_CLI_IFACE_MODE'] = "alias"
+        result = runner.invoke(show.cli.commands["interfaces"].commands["alias"], ["etp1"])
+        os.environ['SONIC_CLI_IFACE_MODE'] = "default"
+        print(result.exit_code)
+        print(result.output)
+        assert result.exit_code != 0
+        assert "Configuration database contains no ports" not in result.output
+
     @classmethod
     def teardown_class(cls):
         print("TEARDOWN")

utilities_common/cli.py

@@ -10,7 +10,7 @@
 import netaddr
 
 from natsort import natsorted
-from sonic_py_common import multi_asic
+from sonic_py_common import multi_asic, device_info
 from utilities_common.db import Db
 from utilities_common.general import load_db_config
 
@@ -131,7 +131,8 @@ def __init__(self, db=None):
 
 
         if not self.port_dict:
-            click.echo(message="Configuration database contains no ports")
+            if not device_info.is_supervisor():
+                click.echo(message="Configuration database contains no ports")
             self.port_dict = {}
 
         for port_name in self.port_dict: