85 lines
3.4 KiB
C#
85 lines
3.4 KiB
C#
using Com.Ctrip.Framework.Apollo;
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using Microsoft.Extensions.Configuration;
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using Com.Ctrip.Framework.Apollo.Enums;
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using Com.Ctrip.Framework.Apollo.Logging;
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using Microsoft.Extensions.Primitives;
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using System.Reflection;
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namespace DouyinApi.Extensions.Apollo
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{
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public static class ConfigurationBuilderExtensions
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{
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/// <summary>
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/// 接入Apollo
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/// </summary>
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/// <param name="builder"></param>
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/// <param name="jsonPath">apollo配置文件路径 如果写入appsettings.json中 则jsonPath传null即可</param>
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public static void AddConfigurationApollo(this IConfigurationBuilder builder,string jsonPath)
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{
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if (!string.IsNullOrEmpty(jsonPath))
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{
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builder.AddJsonFile(jsonPath, true, false);
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}
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//阿波罗的日志级别调整
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LogManager.UseConsoleLogging(LogLevel.Warn);
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var options = new ApolloOptions();
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var root = builder.Build();
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root.Bind("Apollo", options);
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if (options.Enable)
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{
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var apolloBuilder = builder.AddApollo(root.GetSection("Apollo:Config"));
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foreach (var item in options.Namespaces)
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{
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apolloBuilder.AddNamespace(item.Name, MatchConfigFileFormat(item.Format));
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}
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//监听apollo配置
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Monitor(builder.Build());
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}
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}
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#region private
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/// <summary>
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/// 监听配置
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/// </summary>
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private static void Monitor(IConfigurationRoot root)
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{
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//TODO 需要根据改变执行特定的操作 如 mq redis 等其他跟配置相关的中间件
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//TODO 初步思路：将需要执行特定的操作key和value放入内存字典中，在赋值操作时通过标准事件来执行特定的操作。
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//要重新Build 此时才将Apollo provider加入到ConfigurationBuilder中
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ChangeToken.OnChange(() => root.GetReloadToken(), () =>
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{
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foreach (var apolloProvider in root.Providers.Where(p => p is ApolloConfigurationProvider))
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{
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var property = apolloProvider.GetType().BaseType.GetProperty("Data", BindingFlags.Instance | BindingFlags.NonPublic);
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var data = property.GetValue(apolloProvider) as IDictionary<string, string>;
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foreach (var item in data)
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{
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Console.WriteLine($"key {item.Key} value {item.Value}");
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}
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}
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});
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}
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//匹配格式
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private static ConfigFileFormat MatchConfigFileFormat(string value) => value switch
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{
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"json" => ConfigFileFormat.Json,
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"properties" => ConfigFileFormat.Properties,
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"xml" => ConfigFileFormat.Xml,
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"yml" => ConfigFileFormat.Yml,
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"yaml" => ConfigFileFormat.Yaml,
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"txt" => ConfigFileFormat.Txt,
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_ => throw new FormatException($"与apollo命名空间的所允许的类型不匹配：{string.Join(",", GetConfigFileFormat())}"),
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};
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//获取数据格式对应的枚举
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private static IEnumerable<string> GetConfigFileFormat() => Enum.GetValues<ConfigFileFormat>().Select(u => u.ToString().ToLower());
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#endregion
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}
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}
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