refactor: improve nginx config generation

Signed-off-by: Dominik Willner <th33xitus@gmail.com>

kiauh/components/webui_client/__init__.py

@@ -0,0 +1,12 @@
+# ======================================================================= #
+#  Copyright (C) 2020 - 2024 Dominik Willner <th33xitus@gmail.com>        #
+#                                                                         #
+#  This file is part of KIAUH - Klipper Installation And Update Helper    #
+#  https://github.com/dw-0/kiauh                                          #
+#                                                                         #
+#  This file may be distributed under the terms of the GNU GPLv3 license  #
+# ======================================================================= #
+
+from pathlib import Path
+
+MODULE_PATH = Path(__file__).resolve().parent

kiauh/components/webui_client/client_setup.py

@@ -12,6 +12,7 @@ from typing import List
 
 from components.klipper.klipper import Klipper
 from components.moonraker.moonraker import Moonraker
+from components.webui_client import MODULE_PATH
 from components.webui_client.base_data import (
     BaseWebClient,
     BaseWebClientConfig,
@@ -34,18 +35,15 @@ from components.webui_client.client_utils import (
 )
 from core.instance_manager.instance_manager import InstanceManager
 from core.settings.kiauh_settings import KiauhSettings
-from utils import NGINX_SITES_AVAILABLE, NGINX_SITES_ENABLED
 from utils.common import check_install_dependencies
 from utils.config_utils import add_config_section
 from utils.fs_utils import (
     copy_common_vars_nginx_cfg,
     copy_upstream_nginx_cfg,
     create_nginx_cfg,
-    create_symlink,
     get_next_free_port,
     is_valid_port,
     read_ports_from_nginx_configs,
-    remove_file,
     unzip,
 )
 from utils.input_utils import get_confirm, get_number_input
@@ -54,7 +52,6 @@ from utils.sys_utils import (
     cmd_sysctl_service,
     download_file,
     get_ipv4_addr,
-    set_nginx_permissions,
 )
 
 
@@ -141,7 +138,15 @@ def install_client(client: BaseWebClient) -> None:
 
         copy_upstream_nginx_cfg()
         copy_common_vars_nginx_cfg()
-        create_client_nginx_cfg(client, port)
+        create_nginx_cfg(
+            display_name=client.display_name,
+            cfg_name=client.name,
+            template_src=MODULE_PATH.joinpath("assets/nginx_cfg"),
+            PORT=port,
+            ROOT_DIR=client.client_dir,
+            NAME=client.name,
+        )
+
         if kl_instances:
             symlink_webui_nginx_log(kl_instances)
         cmd_sysctl_service("nginx", "restart")
@@ -190,20 +195,3 @@ def update_client(client: BaseWebClient) -> None:
 
     if client.client == WebClientType.MAINSAIL:
         restore_mainsail_config_json()
-
-
-def create_client_nginx_cfg(client: BaseWebClient, port: int) -> None:
-    display_name = client.display_name
-    root_dir = client.client_dir
-    source = NGINX_SITES_AVAILABLE.joinpath(client.name)
-    target = NGINX_SITES_ENABLED.joinpath(client.name)
-    try:
-        Logger.print_status(f"Creating NGINX config for {display_name} ...")
-        remove_file(Path("/etc/nginx/sites-enabled/default"), True)
-        create_nginx_cfg(client.name, port, root_dir)
-        create_symlink(source, target, True)
-        set_nginx_permissions()
-        Logger.print_ok(f"NGINX config for {display_name} successfully created.")
-    except Exception:
-        Logger.print_error(f"Creating NGINX config for {display_name} failed!")
-        raise

kiauh/utils/fs_utils.py

@@ -122,21 +122,23 @@ def copy_common_vars_nginx_cfg() -> None:
         raise
 
 
-def create_nginx_cfg(name: str, port: int, root_dir: Path) -> None:
+def generate_nginx_cfg_from_template(name: str, template_src: Path, **kwargs) -> None:
     """
-    Creates an NGINX config from a template file and replaces all placeholders
+    Creates an NGINX config from a template file and
+    replaces all placeholders passed as kwargs. A placeholder must be defined
+    in the template file as %{placeholder}%.
     :param name: name of the config to create
-    :param port: listen port
-    :param root_dir: directory of the static files
+    :param template_src: the path to the template file
     :return: None
     """
     tmp = Path.home().joinpath(f"{name}.tmp")
-    shutil.copy(MODULE_PATH.joinpath("assets/nginx_cfg"), tmp)
+    shutil.copy(template_src, tmp)
     with open(tmp, "r+") as f:
         content = f.read()
-        content = content.replace("%NAME%", name)
-        content = content.replace("%PORT%", str(port))
-        content = content.replace("%ROOT_DIR%", str(root_dir))
+
+        for key, value in kwargs.items():
+            content = content.replace(f"%{key}%", str(value))
+
         f.seek(0)
         f.write(content)
         f.truncate()
@@ -151,6 +153,30 @@ def create_nginx_cfg(name: str, port: int, root_dir: Path) -> None:
         raise
 
 
+def create_nginx_cfg(
+    display_name: str,
+    cfg_name: str,
+    template_src: Path,
+    **kwargs,
+) -> None:
+    from utils.sys_utils import set_nginx_permissions
+
+    try:
+        Logger.print_status(f"Creating NGINX config for {display_name} ...")
+
+        source = NGINX_SITES_AVAILABLE.joinpath(cfg_name)
+        target = NGINX_SITES_ENABLED.joinpath(cfg_name)
+        remove_file(Path("/etc/nginx/sites-enabled/default"), True)
+        generate_nginx_cfg_from_template(cfg_name, template_src=template_src, **kwargs)
+        create_symlink(source, target, True)
+        set_nginx_permissions()
+
+        Logger.print_ok(f"NGINX config for {display_name} successfully created.")
+    except Exception:
+        Logger.print_error(f"Creating NGINX config for {display_name} failed!")
+        raise
+
+
 def read_ports_from_nginx_configs() -> List[int]:
     """
     Helper function to iterate over all NGINX configs and read all ports defined for listen