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8330f90b56
Fix typo: tyoing > typing Co-authored-by: dw-0 <th33xitus@gmail.com> Co-authored-by: dw-0 <domwil1091+github@gmail.com>
104 lines
4.0 KiB
Python
104 lines
4.0 KiB
Python
# ======================================================================= #
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# Copyright (C) 2020 - 2024 Dominik Willner <th33xitus@gmail.com> #
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# #
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# This file is part of KIAUH - Klipper Installation And Update Helper #
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# https://github.com/dw-0/kiauh #
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# #
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# This file may be distributed under the terms of the GNU GPLv3 license #
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# ======================================================================= #
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from pathlib import Path
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from subprocess import PIPE, CalledProcessError, run
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from core.logger import DialogType, Logger
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from utils.common import check_install_dependencies, get_current_date
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from utils.fs_utils import check_file_exist
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from utils.input_utils import get_confirm, get_string_input
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def change_system_hostname() -> None:
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"""
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Procedure to change the system hostname.
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:return:
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"""
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Logger.print_dialog(
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DialogType.CUSTOM,
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[
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"Changing the hostname of this system allows you to access an installed "
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"webinterface by simply typing the hostname like this in the browser:",
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"\n\n",
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"http://<hostname>.local",
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"\n\n",
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"Example: If you set your hostname to 'my-printer', you can access an "
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"installed webinterface by typing 'http://my-printer.local' in the "
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"browser.",
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],
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custom_title="CHANGE SYSTEM HOSTNAME",
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)
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if not get_confirm("Do you want to change the hostname?", default_choice=False):
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return
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Logger.print_dialog(
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DialogType.CUSTOM,
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[
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"Allowed characters: a-z, 0-9 and '-'",
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"The name must not contain the following:",
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"\n\n",
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"● Any special characters",
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"● No leading or trailing '-'",
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],
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)
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hostname = get_string_input(
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"Enter the new hostname",
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regex=r"^[a-z0-9]+([a-z0-9-]*[a-z0-9])?$",
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)
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if not get_confirm(f"Change the hostname to '{hostname}'?", default_choice=False):
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Logger.print_info("Aborting hostname change ...")
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return
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try:
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Logger.print_status("Changing hostname ...")
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Logger.print_status("Checking for dependencies ...")
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check_install_dependencies({"avahi-daemon"}, include_global=False)
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# create or backup hosts file
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Logger.print_status("Creating backup of hosts file ...")
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hosts_file = Path("/etc/hosts")
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if not check_file_exist(hosts_file, True):
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cmd = ["sudo", "touch", hosts_file.as_posix()]
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run(cmd, stderr=PIPE, check=True)
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else:
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date_time = get_current_date()
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name = f"hosts.{date_time.get('date')}-{date_time.get('time')}.bak"
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hosts_file_backup = Path(f"/etc/{name}")
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cmd = [
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"sudo",
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"cp",
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hosts_file.as_posix(),
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hosts_file_backup.as_posix(),
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]
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run(cmd, stderr=PIPE, check=True)
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Logger.print_ok()
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# call hostnamectl set-hostname <hostname>
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Logger.print_status(f"Setting hostname to '{hostname}' ...")
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cmd = ["sudo", "hostnamectl", "set-hostname", hostname]
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run(cmd, stderr=PIPE, check=True)
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Logger.print_ok()
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# add hostname to hosts file at the end of the file
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Logger.print_status("Writing new hostname to /etc/hosts ...")
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stdin = f"127.0.0.1 {hostname}\n"
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cmd = ["sudo", "tee", "-a", hosts_file.as_posix()]
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run(cmd, input=stdin.encode(), stderr=PIPE, stdout=PIPE, check=True)
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Logger.print_ok()
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Logger.print_ok("New hostname successfully configured!")
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Logger.print_ok("Remember to reboot for the changes to take effect!\n")
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except CalledProcessError as e:
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Logger.print_error(f"Error during change hostname procedure: {e}")
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return
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