ogclient/src/live/ogOperations.py

362 lines
13 KiB
Python

#
# Copyright (C) 2020-2021 Soleta Networks <info@soleta.eu>
#
# This program is free software: you can redistribute it and/or modify it under
# the terms of the GNU Affero General Public License as published by the
# Free Software Foundation; either version 3 of the License, or
# (at your option) any later version.
import logging
import os
import subprocess
import fdisk
from src.ogClient import ogClient
from src.ogRest import ThreadState
from src.live.partcodes import GUID_MAP
from src.utils.net import ethtool
from src.utils.menu import generate_menu
from src.utils.fs import mount_mkdir, umount, get_usedperc
from src.utils.probe import os_probe, cache_probe
from src.utils.disk import get_disks
from src.utils.cache import generate_cache_txt
OG_SHELL = '/bin/bash'
class OgLiveOperations:
def __init__(self, config):
self._url = config['opengnsys']['url']
self._url_log = config['opengnsys']['url_log']
def _restartBrowser(self, url):
try:
proc = subprocess.call(["pkill", "-9", "browser"])
proc = subprocess.Popen(["browser", "-qws", url])
except:
raise ValueError('Error: cannot restart browser')
def _refresh_payload_disk(self, cxt, part_setup, num_disk):
part_setup['disk'] = str(num_disk)
part_setup['disk_type'] = 'DISK'
part_setup['code'] = '2' if cxt.label.name == 'gpt' else '1'
part_setup['partition'] = '0'
part_setup['filesystem'] = ''
part_setup['os'] = ''
part_setup['size'] = str(cxt.nsectors * cxt.sector_size // 1024)
part_setup['used_size'] = '0'
def _refresh_payload_partition(self, cxt, pa, part_setup, disk):
parttype = cxt.partition_to_string(pa, fdisk.FDISK_FIELD_TYPEID)
fstype = cxt.partition_to_string(pa, fdisk.FDISK_FIELD_FSTYPE)
padev = cxt.partition_to_string(pa, fdisk.FDISK_FIELD_DEVICE)
size = cxt.partition_to_string(pa, fdisk.FDISK_FIELD_SIZE)
partnum = pa.partno + 1
source = padev
target = padev.replace('dev', 'mnt')
if cxt.label.name == 'gpt':
code = GUID_MAP.get(parttype, 0x0)
else:
code = int(parttype, base=16)
if mount_mkdir(source, target):
probe_result = os_probe(target)
part_setup['os'] = probe_result
part_setup['used_size'] = get_usedperc(target)
umount(target)
else:
part_setup['os'] = ''
part_setup['used_size'] = '0'
part_setup['disk_type'] = ''
part_setup['partition'] = str(partnum)
part_setup['filesystem'] = fstype.upper() if fstype else 'EMPTY'
# part_setup['code'] = hex(code).removeprefix('0x')
part_setup['code'] = hex(code)[2:]
part_setup['size'] = str(int(size) // 1024)
if (part_setup['filesystem'] == 'VFAT'):
part_setup['filesystem'] = 'FAT32'
def _refresh_part_setup_cache(self, cxt, pa, part_setup, cache):
padev = cxt.partition_to_string(pa, fdisk.FDISK_FIELD_DEVICE)
if padev == cache:
part_setup['filesystem'] = 'CACHE'
part_setup['code'] = 'ca'
def poweroff(self):
logging.info('Powering off client')
if os.path.exists('/scripts/oginit'):
cmd = f'source {ogClient.OG_PATH}etc/preinit/loadenviron.sh; ' \
f'{ogClient.OG_PATH}scripts/poweroff'
subprocess.call([cmd], shell=True, executable=OG_SHELL)
else:
subprocess.call(['/sbin/poweroff'])
def reboot(self):
logging.info('Rebooting client')
if os.path.exists('/scripts/oginit'):
cmd = f'source {ogClient.OG_PATH}etc/preinit/loadenviron.sh; ' \
f'{ogClient.OG_PATH}scripts/reboot'
subprocess.call([cmd], shell=True, executable=OG_SHELL)
else:
subprocess.call(['/sbin/reboot'])
def shellrun(self, request, ogRest):
cmd = request.getrun()
cmds = cmd.split(";|\n\r")
self._restartBrowser(self._url_log)
try:
ogRest.proc = subprocess.Popen(cmds,
stdout=subprocess.PIPE,
shell=True,
executable=OG_SHELL)
(output, error) = ogRest.proc.communicate()
except:
logging.error('Exception when running "shell run" subprocess')
raise ValueError('Error: Incorrect command value')
if ogRest.proc.returncode != 0:
logging.warn('Non zero exit code when running: %s', ' '.join(cmds))
else:
logging.info('Shell run command OK')
self.refresh(ogRest)
return output.decode('utf-8')
def session(self, request, ogRest):
disk = request.getDisk()
partition = request.getPartition()
cmd = f'{ogClient.OG_PATH}interfaceAdm/IniciarSesion {disk} {partition}'
try:
ogRest.proc = subprocess.Popen([cmd],
stdout=subprocess.PIPE,
shell=True,
executable=OG_SHELL)
(output, error) = ogRest.proc.communicate()
except:
logging.error('Exception when running session subprocess')
raise ValueError('Error: Incorrect command value')
logging.info('Starting OS at disk %s partition %s', disk, partition)
return output.decode('utf-8')
def software(self, request, path, ogRest):
disk = request.getDisk()
partition = request.getPartition()
self._restartBrowser(self._url_log)
try:
cmd = f'{ogClient.OG_PATH}interfaceAdm/InventarioSoftware {disk} ' \
f'{partition} {path}'
ogRest.proc = subprocess.Popen([cmd],
stdout=subprocess.PIPE,
shell=True,
executable=OG_SHELL)
(output, error) = ogRest.proc.communicate()
except:
logging.error('Exception when running software inventory subprocess')
raise ValueError('Error: Incorrect command value')
self._restartBrowser(self._url)
software = ''
with open(path, 'r') as f:
software = f.read()
logging.info('Software inventory command OK')
return software
def hardware(self, path, ogRest):
self._restartBrowser(self._url_log)
try:
cmd = f'{ogClient.OG_PATH}interfaceAdm/InventarioHardware {path}'
ogRest.proc = subprocess.Popen([cmd],
stdout=subprocess.PIPE,
shell=True,
executable=OG_SHELL)
(output, error) = ogRest.proc.communicate()
except:
logging.error('Exception when running hardware inventory subprocess')
raise ValueError('Error: Incorrect command value')
self._restartBrowser(self._url)
logging.info('Hardware inventory command OK')
return output.decode('utf-8')
def setup(self, request, ogRest):
table_type = request.getType()
disk = request.getDisk()
cache = request.getCache()
cache_size = request.getCacheSize()
partlist = request.getPartitionSetup()
cfg = f'dis={disk}*che={cache}*tch={cache_size}!'
for part in partlist:
cfg += f'par={part["partition"]}*cpt={part["code"]}*' \
f'sfi={part["filesystem"]}*tam={part["size"]}*' \
f'ope={part["format"]}%'
if ogRest.terminated:
break
cmd = f'{ogClient.OG_PATH}interfaceAdm/Configurar {table_type} {cfg}'
try:
ogRest.proc = subprocess.Popen([cmd],
stdout=subprocess.PIPE,
shell=True,
executable=OG_SHELL)
(output, error) = ogRest.proc.communicate()
except:
logging.error('Exception when running setup subprocess')
raise ValueError('Error: Incorrect command value')
logging.info('Setup command OK')
result = self.refresh(ogRest)
return result
def image_restore(self, request, ogRest):
disk = request.getDisk()
partition = request.getPartition()
name = request.getName()
repo = request.getRepo()
ctype = request.getType()
profile = request.getProfile()
cid = request.getId()
cmd = f'{ogClient.OG_PATH}interfaceAdm/RestaurarImagen {disk} {partition} ' \
f'{name} {repo} {ctype}'
self._restartBrowser(self._url_log)
try:
ogRest.proc = subprocess.Popen([cmd],
stdout=subprocess.PIPE,
shell=True,
executable=OG_SHELL)
(output, error) = ogRest.proc.communicate()
if (ogRest.proc.returncode):
raise Exception
except:
logging.error('Exception when running image restore subprocess')
raise ValueError('Error: Incorrect command value')
self.refresh(ogRest)
logging.info('Image restore command OK')
return output.decode('utf-8')
def image_create(self, path, request, ogRest):
disk = request.getDisk()
partition = request.getPartition()
name = request.getName()
repo = request.getRepo()
cmd_software = f'{ogClient.OG_PATH}interfaceAdm/InventarioSoftware {disk} ' \
f'{partition} {path}'
cmd_create_image = f'{ogClient.OG_PATH}interfaceAdm/CrearImagen {disk} ' \
f'{partition} {name} {repo}'
self._restartBrowser(self._url_log)
try:
ogRest.proc = subprocess.Popen([cmd_software],
stdout=subprocess.PIPE,
shell=True,
executable=OG_SHELL)
(output, error) = ogRest.proc.communicate()
except:
logging.error('Exception when running software inventory subprocess')
raise ValueError('Error: Incorrect command value')
if ogRest.terminated:
return
try:
ogRest.proc = subprocess.Popen([cmd_create_image],
stdout=subprocess.PIPE,
shell=True,
executable=OG_SHELL)
ogRest.proc.communicate()
except:
logging.error('Exception when running "image create" subprocess')
raise ValueError('Error: Incorrect command value')
if ogRest.proc.returncode != 0:
logging.warn('Image creation failed')
raise ValueError('Error: Image creation failed')
with open('/tmp/image.info') as file_info:
line = file_info.readline().rstrip()
image_info = {}
(image_info['clonator'],
image_info['compressor'],
image_info['filesystem'],
image_info['datasize'],
image_info['clientname']) = line.split(':', 5)
os.remove('/tmp/image.info')
self._restartBrowser(self._url)
logging.info('Image creation command OK')
return image_info
def refresh(self, ogRest):
self._restartBrowser(self._url_log)
cache = cache_probe()
disks = get_disks()
interface = os.getenv('DEVICE')
link = ethtool(interface)
parsed = { 'serial_number': '',
'disk_setup': [],
'partition_setup': [],
'link': link
}
for num_disk, disk in enumerate(get_disks(), start=1):
logging.debug('refresh: processing %s', disk)
part_setup = {}
try:
cxt = fdisk.Context(device=f'/dev/{disk}', details=True)
except:
continue
self._refresh_payload_disk(cxt, part_setup, num_disk)
parsed['disk_setup'].append(part_setup)
for pa in cxt.partitions:
part_setup = part_setup.copy()
self._refresh_payload_partition(cxt, pa, part_setup, disk)
self._refresh_part_setup_cache(cxt, pa, part_setup, cache)
parsed['partition_setup'].append(part_setup)
generate_menu(parsed['partition_setup'])
generate_cache_txt()
self._restartBrowser(self._url)
logging.info('Sending response to refresh request')
return parsed
def probe(self, ogRest):
interface = os.getenv('DEVICE')
speed = ethtool(interface)
return {'status': 'OPG' if ogRest.state != ThreadState.BUSY else 'BSY',
'speed': speed}