netcore集成consul配置中心

引用nuget包

winton.extensions.configuration.consul

配置

控制台程序

 var configbuild = new ConfigurationBuilder()
              .SetBasePath(Directory.GetCurrentDirectory())
              .AddJsonFile("appsettings.json", optional: true);
string consuleurl="http://127.0.0.1:8500";
 var cancellationTokenSource = new CancellationTokenSource();
                configbuild.AddConsul($"{PlatformServices.Default.Application.ApplicationName}/appsettings.json",
                                    cancellationTokenSource.Token,
                                    options =>
                                    {
                                        options.Optional = true;
                                        options.ReloadOnChange = true;
                                        options.OnLoadException = exceptionContext => { exceptionContext.Ignore = true; };
                                        options.ConsulConfigurationOptions = cco => { cco.Address = new Uri(consuleurl); };//若不设置 默认http://127.0.0.1:8500
                                    });
 IConfiguration config = configbuild.Build();

asp.net core

public static void Main(string[] args)
        {
            CreateWebHostBuilder(args).Build().Run();
        }
 
        public static IWebHostBuilder CreateWebHostBuilder(string[] args)
        {
            var cancellationTokenSource = new CancellationTokenSource();
            return WebHost.CreateDefaultBuilder(args)
                .ConfigureAppConfiguration((hostingContext, config) =>
                {
                    var env = hostingContext.HostingEnvironment;
                    hostingContext.Configuration = config.Build();
                    string consul_url = hostingContext.Configuration["Consul_Url"];
                    config.AddConsul(
                                $"{env.ApplicationName}/appsettings.{env.EnvironmentName}.json",
                                cancellationTokenSource.Token,
                                options =>
                                {
                                    options.Optional = true;
                                    options.ReloadOnChange = true;
                                    options.OnLoadException = exceptionContext => { exceptionContext.Ignore = true; };
                                    options.ConsulConfigurationOptions = cco => { cco.Address = new Uri(consul_url); };
                                }
                                ).AddEnvironmentVariables();
 
                    hostingContext.Configuration = config.Build();
                }).UseUrls("http://localhost:5012")
                 .UseStartup<Startup>();
        }

consul配置

配置同物理json文件一致

使用

使用方式同IConfiguration，consul配置更改会自动更新IConfiguration里的数据

配置里获取实体类

nuget引用Microsoft.Extensions.Configuration.Binder

config.GetSection("FileCleanup:Config").Get< T >();