feat: initialize Evergreen Health backend
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// Admin.NET 项目的版权、商标、专利和其他相关权利均受相应法律法规的保护。使用本项目应遵守相关法律法规和许可证的要求。
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//
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// 本项目主要遵循 MIT 许可证和 Apache 许可证(版本 2.0)进行分发和使用。许可证位于源代码树根目录中的 LICENSE-MIT 和 LICENSE-APACHE 文件。
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//
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// 不得利用本项目从事危害国家安全、扰乱社会秩序、侵犯他人合法权益等法律法规禁止的活动!任何基于本项目二次开发而产生的一切法律纠纷和责任,我们不承担任何责任!
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using Elastic.Clients.Elasticsearch;
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using Elastic.Transport;
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namespace Admin.NET.Core;
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public class ElasticSearchClientFactory
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{
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/// <summary>
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/// 创建 ES 客户端(通用方法)
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/// </summary>
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/// <typeparam name="TOptions">配置类型(支持通用或场景专用)</typeparam>
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/// <param name="configPath">配置文件路径(如 "ElasticSearch:Logging")</param>
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/// <returns>ES 客户端实例(或 null if 未启用)</returns>
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public static ElasticsearchClient? CreateClient<TOptions>(string configPath) where TOptions : ElasticSearchOptions, new()
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{
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// 从配置文件读取当前场景的配置
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var options = App.GetConfig<TOptions>(configPath);
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if (options == null)
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throw Oops.Oh($"未找到{configPath}配置项");
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if (!options.Enabled)
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return null;
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// 验证服务地址
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if (options.ServerUris == null || !options.ServerUris.Any())
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throw new ArgumentException($"ES 配置 {configPath} 未设置 ServerUris");
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// 构建连接池(支持集群)
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var uris = options.ServerUris.Select(uri => new Uri(uri)).ToList();
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var connectionPool = new StaticNodePool(uris);
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var connectionSettings = new ElasticsearchClientSettings(connectionPool)
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.DefaultIndex(options.DefaultIndex) // 设置默认索引
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.DisableDirectStreaming() // 开启请求/响应日志,方便排查问题
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.OnRequestCompleted(response =>
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{
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if (response.HttpStatusCode == 401)
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{
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Console.WriteLine("ES 请求被拒绝:未提供有效认证信息");
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}
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});
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// 配置认证
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ConfigureAuthentication(connectionSettings, options);
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// 配置 HTTPS 证书指纹
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if (!string.IsNullOrEmpty(options.Fingerprint))
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connectionSettings.CertificateFingerprint(options.Fingerprint);
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return new ElasticsearchClient(connectionSettings);
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}
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/// <summary>
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/// 配置认证(通用逻辑)
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/// </summary>
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private static void ConfigureAuthentication(ElasticsearchClientSettings settings, ElasticSearchOptions options)
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{
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switch (options.AuthType)
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{
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case ElasticSearchAuthTypeEnum.Basic:
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settings.Authentication(new BasicAuthentication(options.User, options.Password));
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break;
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case ElasticSearchAuthTypeEnum.ApiKey:
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settings.Authentication(new ApiKey(options.ApiKey));
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break;
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case ElasticSearchAuthTypeEnum.Base64ApiKey:
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settings.Authentication(new Base64ApiKey(options.Base64ApiKey));
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break;
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case ElasticSearchAuthTypeEnum.None:
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// 无需认证
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break;
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default:
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throw new ArgumentOutOfRangeException(nameof(options.AuthType));
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}
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}
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}
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