ZTP CLI commands (sonic-net#599)

Implemented following commands to use Zero Touch Provisioning

show ztp status
config ztp enable
config ztp disable
config ztp run

Signed-off-by: Rajendra Dendukuri <rajendra.dendukuri@broadcom.com>
Co-authored-by: Akhilesh Samineni <47657796+AkhileshSamineni@users.noreply.github.com>
Co-authored-by: rlhui <48738894+rlhui@users.noreply.github.com>

config/main.py

@@ -2065,6 +2065,41 @@ def naming_mode_alias():
     """Set CLI interface naming mode to ALIAS (Vendor port alias)"""
     set_interface_naming_mode('alias')
 
+@config.group()
+def ztp():
+    """ Configure Zero Touch Provisioning """
+    if os.path.isfile('/usr/bin/ztp') is False:
+        exit("ZTP feature unavailable in this image version")
+
+    if os.geteuid() != 0:
+        exit("Root privileges are required for this operation")
+    pass
+
+@ztp.command()
+@click.option('-y', '--yes', is_flag=True, callback=_abort_if_false,
+                expose_value=False, prompt='ZTP will be restarted. You may lose switch data and connectivity, continue?')
+@click.argument('run', required=False, type=click.Choice(["run"]))
+def run(run):
+    """Restart ZTP of the device."""
+    command = "ztp run -y"
+    run_command(command, display_cmd=True)
+
+@ztp.command()
+@click.option('-y', '--yes', is_flag=True, callback=_abort_if_false,
+                expose_value=False, prompt='Active ZTP session will be stopped and disabled, continue?')
+@click.argument('disable', required=False, type=click.Choice(["disable"]))
+def disable(disable):
+    """Administratively Disable ZTP."""
+    command = "ztp disable -y"
+    run_command(command, display_cmd=True)
+
+@ztp.command()
+@click.argument('enable', required=False, type=click.Choice(["enable"]))
+def enable(enable):
+    """Administratively Enable ZTP."""
+    command = "ztp enable"
+    run_command(command, display_cmd=True)
+
 #
 # 'syslog' group ('config syslog ...')
 #

show/main.py

@@ -2791,9 +2791,29 @@ def zones(verbose):
     cmd = "sudo natconfig -z"
     run_command(cmd, display_cmd=verbose)
 
-# show features
 #
+# 'ztp status' command ("show ztp status")
+#
+@cli.command()
+@click.argument('status', required=False, type=click.Choice(["status"]))
+@click.option('--verbose', is_flag=True, help="Enable verbose output")
+def ztp(status, verbose):
+    """Show Zero Touch Provisioning status"""
+    if os.path.isfile('/usr/bin/ztp') is False:
+        exit("ZTP feature unavailable in this image version")
+
+    if os.geteuid() != 0:
+        exit("Root privileges are required for this operation")
+    pass
 
+    cmd = "ztp status"
+    if verbose:
+       cmd = cmd + " --verbose"
+    run_command(cmd, display_cmd=verbose)
+
+#
+# show features
+#
 @cli.command('features')
 def features():
     """Show status of optional features"""