Make show int stat on supervisor trigger rexec

show/interfaces/__init__.py

@@ -1,5 +1,6 @@
 import json
 import os
+import sys
 
 import subprocess
 import click
@@ -148,6 +149,13 @@ def naming_mode(verbose):
 def status(interfacename, namespace, display, verbose):
     """Show Interface status information"""
 
+    if device_info.is_supervisor():
+        # the command will be executed directly by rexec
+        click.echo("Since the current device is a chassis supervisor, "
+                   "this command will be executed remotely on all linecards")
+        proc = subprocess.run(["rexec", "all"] + ["-c", " ".join(sys.argv)])
+        sys.exit(proc.returncode)
+
     ctx = click.get_current_context()
 
     cmd = ['intfutil', '-c', 'status']

tests/remote_show_test.py

@@ -25,6 +25,40 @@ def mock_rexec_error_cmd(*args):
 '''
 
 
+class TestRexecInterfacesStatus(object):
+    @classmethod
+    def setup_class(cls):
+        pass
+
+    @mock.patch("show.interfaces.device_info.is_supervisor", mock.MagicMock(return_value=True))
+    @mock.patch("sys.argv", ["show", "interfaces", "status"])
+    def test_show_interfaces_status_rexec(self):
+        import show.main as show
+        runner = CliRunner()
+
+        _old_subprocess_run = subprocess.run
+        subprocess.run = mock_rexec_command
+        result = runner.invoke(show.cli.commands["interfaces"].commands["status"])
+        print(result.output)
+        subprocess.run = _old_subprocess_run
+        assert result.exit_code == 0
+        assert MULTI_LC_REXEC_OUTPUT == result.output
+
+    @mock.patch("show.interfaces.device_info.is_supervisor", mock.MagicMock(return_value=True))
+    @mock.patch("sys.argv", ["show", "interfaces", "status"])
+    def test_show_interfaces_status_error_rexec(self):
+        import show.main as show
+        runner = CliRunner()
+
+        _old_subprocess_run = subprocess.run
+        subprocess.run = mock_rexec_error_cmd
+        result = runner.invoke(show.cli.commands["interfaces"].commands["status"])
+        print(result.output)
+        subprocess.run = _old_subprocess_run
+        assert result.exit_code == 1
+        assert MULTI_LC_ERR_OUTPUT == result.output
+
+
 class TestRexecBgp(object):
     @classmethod
     def setup_class(cls):