[show] Update show run all to cover all asic config in multiasic (#3148)

* [show] Update show run all to cover all asic config in masic

* per comment

Author: wen587

show/main.py

@@ -140,6 +140,24 @@ def get_cmd_output(cmd):
     proc = subprocess.Popen(cmd, text=True, stdout=subprocess.PIPE)
     return proc.communicate()[0], proc.returncode
 
+def get_config_json_by_namespace(namespace):
+    cmd = ['sonic-cfggen', '-d', '--print-data']
+    if namespace is not None and namespace != multi_asic.DEFAULT_NAMESPACE:
+        cmd += ['-n', namespace]
+
+    stdout, rc = get_cmd_output(cmd)
+    if rc:
+        click.echo("Failed to get cmd output '{}':rc {}".format(cmd, rc))
+        raise click.Abort()
+
+    try:
+        config_json = json.loads(stdout)
+    except JSONDecodeError as e:
+        click.echo("Failed to load output '{}':{}".format(cmd, e))
+        raise click.Abort()
+
+    return config_json
+
 # Lazy global class instance for SONiC interface name to alias conversion
 iface_alias_converter = lazy_object_proxy.Proxy(lambda: clicommon.InterfaceAliasConverter())
 
@@ -1403,25 +1421,24 @@ def runningconfiguration():
 @click.option('--verbose', is_flag=True, help="Enable verbose output")
 def all(verbose):
     """Show full running configuration"""
-    cmd = ['sonic-cfggen', '-d', '--print-data']
-    stdout, rc = get_cmd_output(cmd)
-    if rc:
-        click.echo("Failed to get cmd output '{}':rc {}".format(cmd, rc))
-        raise click.Abort()
+    output = {}
+    bgpraw_cmd = "show running-config"
 
-    try:
-        output = json.loads(stdout)
-    except JSONDecodeError as e:
-        click.echo("Failed to load output '{}':{}".format(cmd, e))
-        raise click.Abort()
+    import utilities_common.bgp_util as bgp_util
+    # In multiaisc, the namespace is changed to 'localhost' by design
+    host_config = get_config_json_by_namespace(multi_asic.DEFAULT_NAMESPACE)
+    output['localhost'] = host_config
 
-    if not multi_asic.is_multi_asic():
-        bgpraw_cmd = [constants.RVTYSH_COMMAND, '-c', 'show running-config']
-        bgpraw, rc = get_cmd_output(bgpraw_cmd)
-        if rc:
-            bgpraw = ""
-        output['bgpraw'] = bgpraw
-    click.echo(json.dumps(output, indent=4))
+    if multi_asic.is_multi_asic():
+        ns_list = multi_asic.get_namespace_list()
+        for ns in ns_list:
+            ns_config = get_config_json_by_namespace(ns)
+            ns_config['bgpraw'] = bgp_util.run_bgp_show_command(bgpraw_cmd, ns)
+            output[ns] = ns_config
+        click.echo(json.dumps(output, indent=4))
+    else:
+        host_config['bgpraw'] = bgp_util.run_bgp_show_command(bgpraw_cmd)
+        click.echo(json.dumps(output['localhost'], indent=4))
 
 
 # 'acl' subcommand ("show runningconfiguration acl")

tests/show_test.py

@@ -2,8 +2,10 @@
 import sys
 import click
 import pytest
+import importlib
 import subprocess
 import show.main as show
+import utilities_common.bgp_util as bgp_util
 from unittest import mock
 from click.testing import CliRunner
 from utilities_common import constants
@@ -32,6 +34,12 @@ class TestShowRunAllCommands(object):
     def setup_class(cls):
         print("SETUP")
         os.environ["UTILITIES_UNIT_TESTING"] = "1"
+        cls._old_run_bgp_command = bgp_util.run_bgp_command
+        bgp_util.run_bgp_command = mock.MagicMock(
+            return_value=cls.mock_run_bgp_command())
+
+    def mock_run_bgp_command():
+        return ""
 
     def test_show_runningconfiguration_all_json_loads_failure(self):
         def get_cmd_output_side_effect(*args, **kwargs):
@@ -55,16 +63,62 @@ def get_cmd_output_side_effect(*args, **kwargs):
         with mock.patch('show.main.get_cmd_output',
                 mock.MagicMock(side_effect=get_cmd_output_side_effect)) as mock_get_cmd_output:
             result = CliRunner().invoke(show.cli.commands['runningconfiguration'].commands['all'], [])
-        assert mock_get_cmd_output.call_count == 2
+        assert result.exit_code == 0
+        assert mock_get_cmd_output.call_count == 1
+        assert mock_get_cmd_output.call_args_list == [
+            call(['sonic-cfggen', '-d', '--print-data'])]
+
+    @classmethod
+    def teardown_class(cls):
+        print("TEARDOWN")
+        bgp_util.run_bgp_command = cls._old_run_bgp_command
+        os.environ["PATH"] = os.pathsep.join(os.environ["PATH"].split(os.pathsep)[:-1])
+        os.environ["UTILITIES_UNIT_TESTING"] = "0"
+
+
+class TestShowRunAllCommandsMasic(object):
+    @classmethod
+    def setup_class(cls):
+        print("SETUP")
+        os.environ['UTILITIES_UNIT_TESTING'] = "2"
+        os.environ["UTILITIES_UNIT_TESTING_TOPOLOGY"] = "multi_asic"
+        cls._old_run_bgp_command = bgp_util.run_bgp_command
+        bgp_util.run_bgp_command = mock.MagicMock(
+            return_value=cls.mock_run_bgp_command())
+        # change to multi asic config
+        from .mock_tables import dbconnector
+        from .mock_tables import mock_multi_asic
+        importlib.reload(mock_multi_asic)
+        dbconnector.load_namespace_config()
+
+    def mock_run_bgp_command():
+        return ""
+
+    def test_show_runningconfiguration_all_masic(self):
+        def get_cmd_output_side_effect(*args, **kwargs):
+            return "{}", 0
+        with mock.patch('show.main.get_cmd_output',
+                mock.MagicMock(side_effect=get_cmd_output_side_effect)) as mock_get_cmd_output:
+            result = CliRunner().invoke(show.cli.commands['runningconfiguration'].commands['all'], [])
+        assert result.exit_code == 0
+        assert mock_get_cmd_output.call_count == 3
         assert mock_get_cmd_output.call_args_list == [
             call(['sonic-cfggen', '-d', '--print-data']),
-            call(['rvtysh', '-c', 'show running-config'])]
+            call(['sonic-cfggen', '-d', '--print-data', '-n', 'asic0']),
+            call(['sonic-cfggen', '-d', '--print-data', '-n', 'asic1'])]
 
     @classmethod
     def teardown_class(cls):
         print("TEARDOWN")
+        bgp_util.run_bgp_command = cls._old_run_bgp_command
         os.environ["PATH"] = os.pathsep.join(os.environ["PATH"].split(os.pathsep)[:-1])
         os.environ["UTILITIES_UNIT_TESTING"] = "0"
+        # change back to single asic config
+        from .mock_tables import dbconnector
+        from .mock_tables import mock_single_asic
+        importlib.reload(mock_single_asic)
+        dbconnector.load_namespace_config()
+
 
 @patch('show.main.run_command')
 @pytest.mark.parametrize(