#!/usr/bin/env python3 # # Copyright (C) 2016 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/>. # # File: vyos-show-version # Purpose: # Displays image version and system information. # Used by the "run show version" command. import os import sys import subprocess import argparse import json import pystache import vyos.version import vyos.limericks parser = argparse.ArgumentParser() parser.add_argument("-a", "--all", action="store_true", help="Include individual package versions") parser.add_argument("-f", "--funny", action="store_true", help="Add something funny to the output") parser.add_argument("-j", "--json", action="store_true", help="Produce JSON output") def read_file(name): try: with open (name, "r") as f: data = f.read() return data.strip() except: # This works since we only read /sys/class/* stuff # with this function return "Unknown" version_output_tmpl = """ Version: VyOS {{version}} Built by: {{built_by}} Built on: {{built_on}} Build ID: {{build_id}} Architecture: {{system_arch}} Boot via: {{boot_via}} System type: {{system_type}} Hardware vendor: {{hardware_vendor}} Hardware model: {{hardware_model}} Hardware S/N: {{hardware_serial}} Hardware UUID: {{hardware_uuid}} Copyright: VyOS maintainers and contributors """ if __name__ == '__main__': args = parser.parse_args() version_data = vyos.version.get_version_data() # Get system architecture (well, kernel architecture rather) version_data['system_arch'] = subprocess.check_output('uname -m', shell=True).decode().strip() # Get hypervisor name, if any system_type = "bare metal" try: hypervisor = subprocess.check_output('hvinfo 2>/dev/null', shell=True).decode().strip() system_type = "{0} guest".format(hypervisor) except subprocess.CalledProcessError: # hvinfo returns 1 if it cannot detect any hypervisor pass version_data['system_type'] = system_type # Get boot type, it can be livecd, installed image, or, possible, a system installed # via legacy "install system" mechanism # In installed images, the squashfs image file is named after its image version, # while on livecd it's just "filesystem.squashfs", that's how we tell a livecd boot # from an installed image boot_via = "installed image" if subprocess.call(""" grep -e '^overlay.*/filesystem.squashfs' /proc/mounts >/dev/null""", shell=True) == 0: boot_via = "livecd" elif subprocess.call(""" grep '^overlay /' /proc/mounts >/dev/null """, shell=True) != 0: boot_via = "legacy non-image installation" version_data['boot_via'] = boot_via # Get hardware details from DMI version_data['hardware_vendor'] = read_file('/sys/class/dmi/id/sys_vendor') version_data['hardware_model'] = read_file('/sys/class/dmi/id/product_name') # These two assume script is run as root, normal users can't access those files version_data['hardware_serial'] = read_file('/sys/class/dmi/id/subsystem/id/product_serial') version_data['hardware_uuid'] = read_file('/sys/class/dmi/id/subsystem/id/product_uuid') if args.json: print(json.dumps(version_data)) sys.exit(0) else: output = pystache.render(version_output_tmpl, version_data).strip() print(output) if args.all: print("Package versions:") os.system("dpkg -l") if args.funny: print(vyos.limericks.get_random())