CLI - Integrate system info for node (#199)

Integrate system info for node, add `sb node info` command.

superbench/cli/_commands.py

@@ -23,6 +23,8 @@ def load_command_table(self, args):
             g.command('deploy', 'deploy_command_handler')
             g.command('exec', 'exec_command_handler')
             g.command('run', 'run_command_handler')
+        with CommandGroup(self, 'node', 'superbench.cli._node_handler#{}') as g:
+            g.command('info', 'info_command_handler')
         return super().load_command_table(args)
 
     def load_arguments(self, command):

superbench/cli/_node_handler.py

@@ -0,0 +1,19 @@
+# Copyright (c) Microsoft Corporation.
+# Licensed under the MIT License.
+
+"""SuperBench CLI node subgroup command handler."""
+
+from superbench.tools import SystemInfo
+
+
+def info_command_handler():
+    """Get node hardware info.
+
+    Returns:
+        dict: node info.
+    """
+    try:
+        info = SystemInfo().get_all()
+    except Exception as ex:
+        raise RuntimeError('Failed to get node info.') from ex
+    return info

tests/cli/test_sb.py

@@ -81,3 +81,7 @@ def test_sb_run_nonexist_host_file(self):
         """Test sb run, --host-file does not exist, should fail."""
         result = self.cmd('sb run --host-file ./nonexist.yaml', expect_failure=True)
         self.assertEqual(result.exit_code, 1)
+
+    def test_sb_node_info(self):
+        """Test sb node info, should fail."""
+        self.cmd('sb node info', expect_failure=True)