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# Copyright (C) 2020-2024 Soleta Networks <opengnsys@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 argparse
from config import cfg, OG_CLI_CFG_PATH
from cli.utils import *
import requests
import shutil
import sys
import os
class OgLive():
live_files = [
'oginitrd.img',
'ogvmlinuz',
'filesystem.squashfs',
'oginitrd.img.full.sum',
'ogvmlinuz.full.sum',
'filesystem.squashfs.full.sum'
]
tmp_extension = '.tmp'
@staticmethod
def _get_local_live_path():
local_live = cfg.get('local_live', '/var/www/html/ogrelive')
if not local_live:
print(f'Error: local_live not defined in {OG_CLI_CFG_PATH}')
return None
if not os.path.isdir(local_live):
print(f'Error: {local_live} directoy does not exist')
return None
return local_live
@staticmethod
def list_live(rest, args):
parser = argparse.ArgumentParser(prog='ogcli list live')
parser.add_argument('--remote',
action='store_true',
help='(Optional) Obtain the list of the remote instead of the local lives')
parsed_args = parser.parse_args(args)
if parsed_args.remote:
local_live = OgLive._get_local_live_path()
if not local_live:
return 1
remote_json = os.path.join(local_live, 'ogrelive.json')
try:
with open(remote_json, 'r') as json_file:
remote_data = json_file.read()
except json.JSONDecodeError:
print(f'ERROR: Failed parse malformed JSON file {remote_json}')
return 1
except OSError as e:
print(f'ERROR: cannot open {remote_json}: {e}')
return 1
print_json(remote_data)
return 0
res = rest.get('/oglive/list')
if not res:
return 1
print_json(res.text)
return 0
@staticmethod
def _delete_live_files(live_name, extension):
local_live = OgLive._get_local_live_path()
if not local_live:
return 1
ret = 0
folder_path = os.path.join(local_live, live_name)
for live_file in OgLive.live_files:
target_file = os.path.join(folder_path, live_file) + extension
try:
os.remove(target_file)
except OSError as e:
print(f'Error deleting {target_file}: {e}')
ret = 1
print(f'Successfully deleted {target_file}')
return ret
@staticmethod
def install_live(rest, args):
parser = argparse.ArgumentParser(prog='ogcli install live')
parser.add_argument('--name',
nargs='?',
required=True,
help='Name of the center')
parsed_args = parser.parse_args(args)
live_name = parsed_args.name
server_live = cfg.get('server_live', 'https://opengnsys.soleta.eu/ogrelive')
local_live = OgLive._get_local_live_path()
if not local_live:
return 1
local_dir = os.path.join(local_live, live_name)
if os.path.exists(local_dir):
print(f'Local files for {live_name} found, updating files...')
try:
os.makedirs(local_dir, exist_ok=True)
except OSError as e:
print(f'ERROR: Failed to create directory {local_dir}: {e}')
return 1
# File download
remote_dir = f'{server_live}/{live_name}'
for live_file in OgLive.live_files:
file_url = f'{remote_dir}/{live_file}'
local_file = os.path.join(local_dir, live_file)
response = requests.get(file_url, stream=True, timeout=(5, None))
if response.status_code == 200:
with open(local_file + OgLive.tmp_extension, 'wb') as f:
for chunk in response.iter_content(chunk_size=8192):
f.write(chunk)
print(f'Successfully downloaded {live_file}')
else:
print(f'ERROR: Failed to download {live_file}. Status code: {response.status_code}')
OgLive._delete_live_files(live_name, OgLive.tmp_extension)
return 1
# Checksum verification
check_files = [
os.path.join(local_dir, 'oginitrd.img'),
os.path.join(local_dir, 'ogvmlinuz'),
os.path.join(local_dir, 'filesystem.squashfs'),
]
for check_file in check_files:
local_checksum = compute_md5(check_file + OgLive.tmp_extension)
try:
with open(check_file + '.full.sum' + OgLive.tmp_extension, 'r') as f:
remote_checksum = f.read().strip()
except (FileNotFoundError, PermissionError, OSError) as e:
print(f'ERROR: Cannot read checksum file {check_file}.full.sum: {e}')
OgLive._delete_live_files(live_name, OgLive.tmp_extension)
return -1
if local_checksum != remote_checksum:
print(f'ERROR: Checksum mismatch for {check_file}')
OgLive._delete_live_files(live_name, OgLive.tmp_extension)
return -1
print(f'Checksum is OK for {check_file}')
# move tmp files
for live_file in OgLive.live_files:
target_file = os.path.join(local_dir, live_file)
src_file = target_file + OgLive.tmp_extension
shutil.move(src_file, target_file)
payload = {'name': live_name}
res = rest.post('/oglive/add', payload=payload)
if not res:
return 1
return 0
@staticmethod
def delete_live(rest, args):
parser = argparse.ArgumentParser(prog='ogcli delete live')
parser.add_argument('--name',
nargs='?',
required=True,
help='Name of the center')
parsed_args = parser.parse_args(args)
live_name = parsed_args.name
payload = {'name': live_name}
res = rest.post('/oglive/delete', payload=payload)
if not res:
return 1
local_live = OgLive._get_local_live_path()
if not local_live:
return 1
local_dir = os.path.join(local_live, live_name)
if os.path.exists(local_dir):
shutil.rmtree(local_dir)
return 0
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