usb: op-mode: T2560: display USB interface information

vyos@vyos:~$ show system usb
/:  Bus 03.Port 1: Dev 1, Class=root_hub, Driver=ehci-pci/2p, 480M
    |__ Port 1: Dev 2, If 0, Class=Hub, Driver=hub/4p, 480M
        |__ Port 3: Dev 4, If 0, Class=Vendor Specific Class, Driver=qcserial, 480M
        |__ Port 3: Dev 4, If 2, Class=Vendor Specific Class, Driver=qcserial, 480M
        |__ Port 3: Dev 4, If 3, Class=Vendor Specific Class, Driver=qcserial, 480M
        |__ Port 3: Dev 4, If 8, Class=Vendor Specific Class, Driver=qmi_wwan, 480M

vyos@vyos:~$ show system usb serial
No USB to serial converter connected

vyos@vyos:~$ show system usb serial
Device           Model               Vendor
------           ------              ------
usb0b1.3.3.4p1.0 Quad_RS232-HS       Future Technology Devices International, Ltd
usb0b1.3.3.4p1.1 Quad_RS232-HS       Future Technology Devices International, Ltd
usb0b1.3.3.4p1.2 Quad_RS232-HS       Future Technology Devices International, Ltd
usb0b1.3.3.4p1.3 Quad_RS232-HS       Future Technology Devices International, Ltd
usb0b1.3.4p1.0   Quad_RS232-HS       Future Technology Devices International, Ltd
usb0b1.3.4p1.1   Quad_RS232-HS       Future Technology Devices International, Ltd
usb0b1.3.4p1.2   Quad_RS232-HS       Future Technology Devices International, Ltd
usb0b1.3.4p1.3   Quad_RS232-HS       Future Technology Devices International, Ltd
usb0b1.3p1.0     MC7710              Sierra Wireless, Inc.
usb0b1.3p1.2     MC7710              Sierra Wireless, Inc.
usb0b1.3p1.3     MC7710              Sierra Wireless, Inc.
usb0b1.4p1.0     Quad_RS232-HS       Future Technology Devices International, Ltd
usb0b1.4p1.1     Quad_RS232-HS       Future Technology Devices International, Ltd
usb0b1.4p1.2     Quad_RS232-HS       Future Technology Devices International, Ltd
usb0b1.4p1.3     Quad_RS232-HS       Future Technology Devices International, Ltd

1 files changed, 57 insertions, 0 deletions

diff --git a/src/op_mode/show_usb_serial.py b/src/op_mode/show_usb_serial.py
new file mode 100755
index 000000000..776898c25
--- /dev/null
+++ b/src/op_mode/show_usb_serial.py
@@ -0,0 +1,57 @@
+#!/usr/bin/env python3
+#
+# Copyright (C) 2018 VyOS maintainers and contributors
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License version 2 or later as
+# published by the Free Software Foundation.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+import os
+
+from jinja2 import Template
+from pyudev import Context, Devices
+from sys import exit
+
+OUT_TMPL_SRC = """Device           Model               Vendor
+------           ------              ------
+{%- for d in devices %}
+{{ "%-16s" | format(d.device) }} {{ "%-19s" | format(d.model)}} {{d.vendor}}
+{%- endfor %}
+
+"""
+
+data = {
+    'devices': []
+}
+
+
+base_directory = '/dev/serial/by-bus'
+if not os.path.isdir(base_directory):
+    print("No USB to serial converter connected")
+    exit(0)
+
+context = Context()
+for root, dirs, files in os.walk(base_directory):
+    for basename in files:
+        os.path.join(root, basename)
+        device = Devices.from_device_file(context, os.path.join(root, basename))
+        tmp = {
+            'device': basename,
+            'model': device.properties.get('ID_MODEL'),
+            'vendor': device.properties.get('ID_VENDOR_FROM_DATABASE')
+        }
+        data['devices'].append(tmp)
+
+data['devices'] = sorted(data['devices'], key = lambda i: i['device'])
+tmpl = Template(OUT_TMPL_SRC)
+print(tmpl.render(data))
+
+exit(0)