[config/console][consutil] Support enable/disable console switch (#1275)

* [config/console][consutil] Support enable/disable console switch
* Changed the key to aligned with feature table style

Signed-off-by: Jing Kan jika@microsoft.com

config/console.py

@@ -9,6 +9,38 @@ def console():
     """Console-related configuration tasks"""
     pass
 
+#
+# 'console enable' group ('config console enable')
+#
+@console.command('enable')
+@clicommon.pass_db
+def enable_console_switch(db):
+    """Enable console switch"""
+    config_db = db.cfgdb
+
+    table = "CONSOLE_SWITCH"
+    dataKey1 = 'console_mgmt'
+    dataKey2 = 'enabled'
+
+    data = { dataKey2 : "yes" }
+    config_db.mod_entry(table, dataKey1, data)
+
+#
+# 'console disable' group ('config console disable')
+#
+@console.command('disable')
+@clicommon.pass_db
+def disable_console_switch(db):
+    """Disable console switch"""
+    config_db = db.cfgdb
+
+    table = "CONSOLE_SWITCH"
+    dataKey1 = 'console_mgmt'
+    dataKey2 = 'enabled'
+
+    data = { dataKey2 : "no" }
+    config_db.mod_entry(table, dataKey1, data)
+
 #
 # 'console add' group ('config console add ...')
 #

consutil/lib.py

@@ -22,13 +22,17 @@
 ERR_BUSY = 5
 
 CONSOLE_PORT_TABLE = "CONSOLE_PORT"
+CONSOLE_SWITCH_TABLE = "CONSOLE_SWITCH"
+
 LINE_KEY = "LINE"
 CUR_STATE_KEY = "CUR_STATE"
 
 # CONFIG_DB Keys
 BAUD_KEY = "baud_rate"
 DEVICE_KEY = "remote_device"
 FLOW_KEY = "flow_control"
+FEATURE_KEY = "console_mgmt"
+FEATURE_ENABLED_KEY = "enabled"
 
 # STATE_DB Keys
 STATE_KEY = "state"

consutil/main.py

@@ -17,8 +17,15 @@
     raise ImportError("%s - required module not found" % str(e))
 
 @click.group()
-def consutil():
+@clicommon.pass_db
+def consutil(db):
     """consutil - Command-line utility for interacting with switches via console device"""
+    config_db = db.cfgdb
+    data = config_db.get_entry(CONSOLE_SWITCH_TABLE, FEATURE_KEY)
+    if FEATURE_ENABLED_KEY not in data or data[FEATURE_ENABLED_KEY] == "no":
+        click.echo("Console switch feature is disabled")
+        sys.exit(ERR_DISABLE)
+
     SysInfoProvider.init_device_prefix()
 
 # 'show' subcommand

tests/console_test.py

@@ -20,6 +20,24 @@ class TestConfigConsoleCommands(object):
     def setup_class(cls):
         print("SETUP")
 
+    def test_enable_console_switch(self):
+        runner = CliRunner()
+        db = Db()
+
+        result = runner.invoke(config.config.commands["console"].commands["enable"])
+        print(result.exit_code)
+        print(sys.stderr, result.output)
+        assert result.exit_code == 0
+
+    def test_disable_console_switch(self):
+        runner = CliRunner()
+        db = Db()
+
+        result = runner.invoke(config.config.commands["console"].commands["disable"])
+        print(result.exit_code)
+        print(sys.stderr, result.output)
+        assert result.exit_code == 0
+
     def test_console_add_exists(self):
         runner = CliRunner()
         db = Db()
@@ -465,6 +483,48 @@ def test_sys_info_provider_get_active_console_process_info_nonexists(self):
         proc = SysInfoProvider.get_active_console_process_info("2")
         assert proc is None
 
+class TestConsutil(object):
+    @classmethod
+    def setup_class(cls):
+        print("SETUP")
+
+    @mock.patch('consutil.lib.SysInfoProvider.init_device_prefix', mock.MagicMock(return_value=None))
+    @mock.patch('consutil.main.show', mock.MagicMock(return_value=None))
+    def test_consutil_feature_disabled_null_config(self):
+        runner = CliRunner()
+        db = Db()
+
+        result = runner.invoke(consutil.consutil, ['show'], obj=db)
+        print(result.exit_code)
+        print(sys.stderr, result.output)
+        assert result.exit_code == 1
+        assert result.output == "Console switch feature is disabled\n"
+
+    @mock.patch('consutil.lib.SysInfoProvider.init_device_prefix', mock.MagicMock(return_value=None))
+    @mock.patch('consutil.main.show', mock.MagicMock(return_value=None))
+    def test_consutil_feature_disabled_config(self):
+        runner = CliRunner()
+        db = Db()
+        db.cfgdb.set_entry("CONSOLE_SWITCH", "console_mgmt", { "enabled" : "no" })
+
+        result = runner.invoke(consutil.consutil, ['show'], obj=db)
+        print(result.exit_code)
+        print(sys.stderr, result.output)
+        assert result.exit_code == 1
+        assert result.output == "Console switch feature is disabled\n"
+
+    @mock.patch('consutil.lib.SysInfoProvider.init_device_prefix', mock.MagicMock(return_value=None))
+    @mock.patch('consutil.main.show', mock.MagicMock(return_value=None))
+    def test_consutil_feature_enabled(self):
+        runner = CliRunner()
+        db = Db()
+        db.cfgdb.set_entry("CONSOLE_SWITCH", "console_mgmt", { "enabled" : "yes" })
+
+        result = runner.invoke(consutil.consutil, ['show'], obj=db)
+        print(result.exit_code)
+        print(sys.stderr, result.output)
+        assert result.exit_code == 0
+
 class TestConsutilShow(object):
     @classmethod
     def setup_class(cls):