odboy
5f67274e3f
- 新增 kenaito-conf-bash-client（Bash 4.0+，依赖 curl、jq）及对应 demo - 新增 kenaito-conf-dart-client（Dart 2.12+，空安全）及对应 demo - 新增 Dockerfile.bash（debian:bookworm-slim）和 Dockerfile.dart（dart:3.5） - README 技术栈和项目结构补充 Bash、Dart 客户端 - README_EN.md 同步更新 - README_DOCKERFILE.md 补充 Bash、Dart 构建命令 - 修复 Bash 客户端 curl 2>&1 混入 stderr 导致响应解析失败 - 修复 Dart 客户端 latest.fetch.timestamp 类型转换兼容 string/num
80 lines
2.3 KiB
Dart
80 lines
2.3 KiB
Dart
import 'dart:io';
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import '../kenaito-conf-dart-client/lib/kenaito_conf.dart';
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String getEnvVar(String key, String defaultValue) {
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final value = Platform.environment[key];
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return (value != null && value.isNotEmpty) ? value : defaultValue;
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}
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void main() async {
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// 配置值（可被远程配置覆盖）
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final configValues = <String, String>{
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'database.host': getEnvVar('DATABASE_HOST', '192.168.1.1'),
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'database.port': getEnvVar('DATABASE_PORT', '8888'),
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'database.name': getEnvVar('DATABASE_NAME', 'xxxx'),
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'database.user': getEnvVar('DATABASE_USER', 'xxxx'),
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'database.password': getEnvVar('DATABASE_PASSWORD', 'xxxxxxxx'),
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};
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final config = Config(
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baseUrl: getEnvVar('KENAITO_BASE_URL', 'http://localhost:8080'),
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appName: getEnvVar('KENAITO_APP_NAME', 'kenaito-dart-demo'),
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env: getEnvVar('KENAITO_ENV', 'daily'),
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version: getEnvVar('KENAITO_VERSION', 'latest'),
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token: getEnvVar('KENAITO_TOKEN', ''),
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syncInterval: int.parse(getEnvVar('KENAITO_SYNC_INTERVAL', '10')),
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cacheDir: getEnvVar('KENAITO_CACHE_DIR', '.'),
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);
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final client = Client(config);
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// 监听配置变更
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client.onChange((Map<String, String> changed) {
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print('Config changed:');
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changed.forEach((key, value) {
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print(' $key = $value');
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if (configValues.containsKey(key)) {
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configValues[key] = value;
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print(' [updated] $key = $value');
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}
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});
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});
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// 启动客户端
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try {
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await client.start();
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final remote = client.getAll();
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configValues.forEach((key, _) {
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if (remote.containsKey(key)) {
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configValues[key] = remote[key]!;
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}
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});
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print('loaded ${remote.length} configs from remote\n');
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} catch (e) {
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print('Failed to init config client, using local defaults: $e\n');
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}
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// 显示当前配置
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print('Current configs:');
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final sortedKeys = configValues.keys.toList()..sort();
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for (final key in sortedKeys) {
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print(' $key = ${configValues[key]}');
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}
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print('\nListening for config changes... (press Ctrl+C to stop)\n');
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// 信号处理
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ProcessSignal.sigint.watch().listen((_) {
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print('\nShutting down...');
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client.stop = true;
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exit(0);
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});
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// 同步循环
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while (!client.stop) {
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await client.syncOnce();
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await Future.delayed(Duration(seconds: config.syncInterval));
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}
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}
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