feat: 为helm chart添加WebUI的辅助容器，用于反向同步配置到ConfigMap

helm-chart/core-webui-cm-sync/Dockerfile

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+# 此镜像用于辅助麦麦的WebUI更新配置文件，随core容器持续运行
+FROM python:3.13-slim
+
+WORKDIR /MaiMBot
+
+COPY . /MaiMBot
+
+RUN pip3 install --no-cache-dir -r requirements.txt
+
+ENTRYPOINT ["python3", "core-webui-cm-sync.py"]

helm-chart/core-webui-cm-sync/core-webui-cm-sync.py

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+#!/bin/python3
+# 这个程序的作用是辅助麦麦的WebUI更新配置文件，随core容器持续运行。
+# 麦麦的配置文件存储于ConfigMap中，挂载进core容器后属于只读文件，无法直接修改。
+# 此程序将core容器内的配置文件替换为可读写的中间层临时文件。启动时将实际配置文件写入，并在后台持续检测文件变化，实时同步到k8s apiServer，反向修改ConfigMap。
+# 工作目录：/MaiMBot/webui-cm-sync
+
+import os
+import time
+from datetime import datetime
+from kubernetes import client, config
+from watchdog.observers import Observer
+from watchdog.events import FileSystemEventHandler
+
+work_dir = '/MaiMBot/webui-cm-sync'
+os.chdir(work_dir)
+
+config.load_incluster_config()
+core_api = client.CoreV1Api()
+with open("/var/run/secrets/kubernetes.io/serviceaccount/namespace", "r") as f:
+    namespace = f.read().strip()
+release_name = os.getenv("RELEASE_NAME")
+configmap_name = f'{release_name}-maibot-core'
+
+# 过滤列表，只监控指定文件
+target_files = {
+    os.path.abspath("model_config.toml"): "model_config.toml",
+    os.path.abspath("bot_config.toml"): "bot_config.toml"
+}
+
+
+def get_configmap():
+    """获取core的ConfigMap内容"""
+    cm = core_api.read_namespaced_config_map(name=configmap_name, namespace=namespace)
+    return cm.data
+
+
+def set_configmap(configmap_data: dict[str, str]):
+    """设置core的ConfigMap内容"""
+    core_api.patch_namespaced_config_map(configmap_name, namespace, {'data': configmap_data})
+
+
+class ConfigObserverHandler(FileSystemEventHandler):
+    """配置文件变化的事件处理器"""
+    def on_modified(self, event):
+        if os.path.abspath(event.src_path) in target_files:
+            print(
+                f'[{datetime.now().strftime("%Y-%m-%d %H:%M:%S")}] File `{event.src_path}` was modified. Start to sync...')
+            with open(event.src_path, "r", encoding="utf-8") as _f:
+                current_data = _f.read()
+            new_cm = {
+                target_files[os.path.abspath("model_config.toml")]: current_data
+            }
+            try:
+                set_configmap(new_cm)
+            except client.exceptions.ApiException as _e:
+                print(f'\tError while setting configmap:\n'
+                      f'\t\tStatus Code: {_e.status}\n'
+                      f'\t\tReason: {_e.reason}')
+
+
+if __name__ == '__main__':
+    # 初始化配置文件
+    print(f'[{datetime.now().strftime("%Y-%m-%d %H:%M:%S")}] Initializing config files...')
+    try:
+        __initial_model_config = get_configmap()['model_config.toml']
+        __initial_bot_config = get_configmap()['bot_config.toml']
+    except client.exceptions.ApiException as e:
+        print(f'\tError while getting configmap:\n'
+              f'\t\tStatus Code: {e.status}\n'
+              f'\t\tReason: {e.reason}')
+        exit(1)
+    with open('model_config.toml', 'w') as f:
+        f.write(__initial_model_config)
+    with open('bot_config.toml', 'w') as f:
+        f.write(__initial_bot_config)
+    with open('ready', 'w') as f:
+        f.write('true')
+    print(f'[{datetime.now().strftime("%Y-%m-%d %H:%M:%S")}] Initializing done. Ready to sync.')
+
+    # 持续检测变化并同步
+    observer = Observer()
+    observer.schedule(ConfigObserverHandler(), '', recursive=False)
+    observer.start()
+    try:
+        while True:
+            time.sleep(1)
+    except KeyboardInterrupt:
+        observer.stop()
+    observer.join()

helm-chart/core-webui-cm-sync/requirements.txt

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+toml~=0.10.2
+kubernetes~=34.1.0
+watchdog~=6.0.0