[show/vlan]: fix show vlan config (sonic-net#1050)

use VLAN_MEMBER table to get vlan configuration

Signed-off-by: Guohan Lu <[email protected]>

Author: lguohan

show/vlan.py

@@ -96,24 +96,23 @@ def brief(db, verbose):
 def config(db):
     data = db.cfgdb.get_table('VLAN')
     keys = data.keys()
+    member_data = db.cfgdb.get_table('VLAN_MEMBER')
 
     def tablelize(keys, data):
         table = []
 
         for k in natsorted(keys):
-            if 'members' not in data[k] :
-                r = []
-                r.append(k)
-                r.append(data[k]['vlanid'])
-                table.append(r)
-                continue
+            members = set(data[k].get('members', []))
+            for (vlan, interface_name) in member_data:
+                if vlan == k:
+                    members.add(interface_name)
 
-            for m in data[k].get('members', []):
+            for m in members:
                 r = []
                 r.append(k)
                 r.append(data[k]['vlanid'])
                 if clicommon.get_interface_naming_mode() == "alias":
-                    alias = iface_alias_converter.name_to_alias(m)
+                    alias = clicommon.InterfaceAliasConverter(db).name_to_alias(m)
                     r.append(alias)
                 else:
                     r.append(m)

tests/vlan_test.py

@@ -49,9 +49,21 @@
 """
 
 show_vlan_config_output="""\
-Name        VID
---------  -----
-Vlan1000   1000
+Name        VID  Member      Mode
+--------  -----  ----------  --------
+Vlan1000   1000  Ethernet8   untagged
+Vlan1000   1000  Ethernet12  untagged
+Vlan1000   1000  Ethernet4   untagged
+Vlan1000   1000  Ethernet16  untagged
+"""
+
+show_vlan_config_in_alias_mode_output="""\
+Name        VID  Member    Mode
+--------  -----  --------  --------
+Vlan1000   1000  etp3      untagged
+Vlan1000   1000  etp4      untagged
+Vlan1000   1000  etp2      untagged
+Vlan1000   1000  etp5      untagged
 """
 
 config_vlan_add_dhcp_relay_output="""\
@@ -134,11 +146,11 @@ def test_show_vlan_brief_in_alias_mode(self):
         runner = CliRunner()
         os.environ['SONIC_CLI_IFACE_MODE'] = "alias"
         result = runner.invoke(show.cli.commands["vlan"].commands["brief"])
+        os.environ['SONIC_CLI_IFACE_MODE'] = "default"
         print(result.exit_code)
         print(result.output)
         assert result.exit_code == 0
         assert result.output == show_vlan_brief_in_alias_mode_output
-        os.environ['SONIC_CLI_IFACE_MODE'] = ""
 
     def test_show_vlan_config(self):
         runner = CliRunner()
@@ -148,6 +160,16 @@ def test_show_vlan_config(self):
         assert result.exit_code == 0
         assert result.output == show_vlan_config_output
 
+    def test_show_vlan_config_in_alias_mode(self):
+        runner = CliRunner()
+        os.environ['SONIC_CLI_IFACE_MODE'] = "alias"
+        result = runner.invoke(show.cli.commands["vlan"].commands["config"], [])
+        os.environ['SONIC_CLI_IFACE_MODE'] = "default"
+        print(result.exit_code)
+        print(result.output)
+        assert result.exit_code == 0
+        assert result.output == show_vlan_config_in_alias_mode_output
+
     def test_config_vlan_add_vlan_with_invalid_vlanid(self):
         runner = CliRunner()
         result = runner.invoke(config.config.commands["vlan"].commands["add"], ["4096"])