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moonstone/vanilla_first_setup/utils/processor.py

153 lines
5.8 KiB
Python

# processor.py
#
# Copyright 2022 mirkobrombin
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundationat version 3 of the License.
#
# 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
import shutil
import logging
import tempfile
import subprocess
logger = logging.getLogger("FirstSetup::Processor")
class Processor:
@staticmethod
def run(log_path, pre_run, post_run, commands):
commands = pre_run + commands + post_run
out_run = ""
next_boot = []
next_boot_script_path = os.path.expanduser("~/.local/org.vanillaos.FirstSetup.nextBoot")
next_boot_autostart_path = os.path.expanduser("~/.config/autostart/org.vanillaos.FirstSetup.nextBoot.desktop")
abroot_bin = shutil.which("abroot")
logger.info("processing the following commands: \n%s" %
'\n'.join(commands))
# connection check
cn = subprocess.run(["wget", "-q", "--spider", "cloudflare.com"],
stdout=subprocess.DEVNULL,
stderr=subprocess.DEVNULL)
if cn.returncode != 0:
logger.critical("No internet connection")
return False, "No internet connection."
# nextBoot commands are collected in ~/.local/org.vanillaos.FirstSetup.nextBoot
# and executed at the next boot by a desktop entry
for command in commands:
if command.startswith("!nextBoot"):
next_boot.append(command.replace("!nextBoot", ""))
continue
if len(next_boot) > 0:
with open(next_boot_script_path, "w") as f:
f.write("#!/bin/sh\n")
f.write("# This file was created by FirstSetup\n")
f.write("# Do not edit this file manually\n\n")
for command in next_boot:
f.write(f"{command}\n")
f.write(f"rm -f {next_boot_script_path}\n")
f.write(f"rm -f {next_boot_autostart_path}\n")
f.flush()
f.close()
# setting the file executable
os.chmod(next_boot_script_path, 0o755)
# creating the desktop entry
with open(next_boot_autostart_path, "w") as f:
f.write("[Desktop Entry]\n")
f.write("Name=FirstSetup Next Boot\n")
f.write("Comment=Run FirstSetup commands at the next boot\n")
f.write("Exec=vanilla-first-setup --run-post-script 'sh %s'\n" % next_boot_script_path)
f.write("Terminal=false\n")
f.write("Type=Application\n")
f.write("X-GNOME-Autostart-enabled=true\n")
f.flush()
f.close()
# generating a temporary file to store all the commands so we can
# run them all at once
with tempfile.NamedTemporaryFile(mode='w', delete=False) as f:
f.write("#!/bin/sh\n")
f.write("# This file was created by FirstSetup\n")
f.write("# Do not edit this file manually\n\n")
for command in commands:
if command.startswith("!nextBoot"):
continue
if command.startswith("!noSudo"):
command = command.replace("!noSudo", "sudo -u $USER")
# outRun band is used to run a command outside of the main
# shell script.
if command.startswith("!outRun"):
out_run += command.replace("!outRun", "") + "\n"
f.write(f"{command}\n")
f.flush()
f.close()
# setting the file executable
os.chmod(f.name, 0o755)
# fake the process if VANILLA_FAKE is set
if "VANILLA_FAKE" in os.environ:
logger.info("VANILLA_FAKE is set, skipping the commands")
return True, ""
cmd = ["pkexec", "sh", f.name]
if abroot_bin := shutil.which("abroot"):
cmd = ["pkexec", abroot_bin, "exec", "--assume-yes", "sh", f.name]
#proc = subprocess.run(cmd)
# the above is wrong, we need to show the output in the console but also capture it
proc = subprocess.Popen(cmd, stdout=subprocess.PIPE, stderr=subprocess.STDOUT)
out = proc.communicate()[0].decode("utf-8")
# write the output to the log file so the packager can see what
# happened during the installation process
try:
with open(log_path, 'a') as log:
log.write(out)
log.flush()
except Exception as e:
logger.warning("failed to write to the log file: %s" % e)
logger.warning("the output of the commands is: %s" %
out)
if proc.returncode != 0:
logger.critical(
"Error while processing commands, see log for details.")
return False, out
autostart_file = os.path.expanduser(
"~/.config/autostart/org.vanillaos.FirstSetup.desktop")
if os.path.exists(autostart_file):
os.remove(autostart_file)
# run the outRun commands
if out_run:
logger.info("running outRun commands: \n%s" % out_run)
subprocess.run(out_run, shell=True)
return True, ""