added a new implementation that stores the ocelot config in consul kv store, had to change some major things and add cache settings as default

test/Ocelot.AcceptanceTests/ConfigurationInConsulTests.cs

@@ -0,0 +1,171 @@
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Net;
+using System.Text;
+using Consul;
+using Microsoft.AspNetCore.Builder;
+using Microsoft.AspNetCore.Hosting;
+using Microsoft.AspNetCore.Http;
+using Newtonsoft.Json;
+using Ocelot.Configuration;
+using Ocelot.Configuration.File;
+using Ocelot.Configuration.Repository;
+using Ocelot.ServiceDiscovery;
+using TestStack.BDDfy;
+using Xunit;
+
+namespace Ocelot.AcceptanceTests
+{
+    public class ConfigurationInConsul : IDisposable
+    {
+        private IWebHost _builder;
+        private readonly Steps _steps;
+        private IWebHost _fakeConsulBuilder;
+        private IOcelotConfiguration _config;
+
+        public ConfigurationInConsul()
+        {
+            _steps = new Steps();
+        }
+
+
+        [Fact]
+        public void should_return_response_200_with_simple_url()
+        {
+            var configuration = new FileConfiguration
+            {
+                ReRoutes = new List<FileReRoute>
+                    {
+                        new FileReRoute
+                        {
+                            DownstreamPathTemplate = "/",
+                            DownstreamScheme = "http",
+                            DownstreamHost = "localhost",
+                            DownstreamPort = 51779,
+                            UpstreamPathTemplate = "/",
+                            UpstreamHttpMethod = "Get",
+
+                        }
+                    },
+                GlobalConfiguration = new FileGlobalConfiguration()
+                {
+                    ServiceDiscoveryProvider = new FileServiceDiscoveryProvider()
+                    {
+                        Provider = "Consul",
+                        Host = "localhost",
+                        Port = 9500
+                    }
+                }
+            };
+
+            var fakeConsulServiceDiscoveryUrl = "http://localhost:9500";
+
+            var consulConfig = new ConsulRegistryConfiguration("localhost", 9500, "Ocelot");
+
+            this.Given(x => GivenThereIsAFakeConsulServiceDiscoveryProvider(fakeConsulServiceDiscoveryUrl))
+                .And(x => x.GivenThereIsAServiceRunningOn("http://localhost:51779", 200, "Hello from Laura"))
+                .And(x => _steps.GivenThereIsAConfiguration(configuration))
+                .And(x => _steps.GivenOcelotIsRunningUsingConsulToStoreConfig(consulConfig))
+                .When(x => _steps.WhenIGetUrlOnTheApiGateway("/"))
+                .Then(x => _steps.ThenTheStatusCodeShouldBe(HttpStatusCode.OK))
+                .And(x => _steps.ThenTheResponseBodyShouldBe("Hello from Laura"))
+                .BDDfy();
+        }
+
+        private void GivenThereIsAFakeConsulServiceDiscoveryProvider(string url)
+        {
+            _fakeConsulBuilder = new WebHostBuilder()
+                            .UseUrls(url)
+                            .UseKestrel()
+                            .UseContentRoot(Directory.GetCurrentDirectory())
+                            .UseIISIntegration()
+                            .UseUrls(url)
+                            .Configure(app =>
+                            {
+                                app.Run(async context =>
+                                {
+                                    if (context.Request.Method.ToLower() == "get" && context.Request.Path.Value == "/v1/kv/OcelotConfiguration")
+                                    {
+                                        var json = JsonConvert.SerializeObject(_config);
+
+                                        var bytes = Encoding.UTF8.GetBytes(json);
+
+                                        var base64 = Convert.ToBase64String(bytes);
+
+                                        var kvp = new FakeConsulGetResponse(base64);
+
+                                        await context.Response.WriteJsonAsync(new FakeConsulGetResponse[]{kvp});
+                                    }
+
+                                    else if (context.Request.Method.ToLower() == "put" && context.Request.Path.Value == "/v1/kv/OcelotConfiguration")
+                                    {
+                                        try
+                                        {
+                                            var reader = new StreamReader(context.Request.Body);
+
+                                            var json = reader.ReadToEnd();
+
+                                            _config = JsonConvert.DeserializeObject<OcelotConfiguration>(json);
+
+                                            var response = JsonConvert.SerializeObject(true);
+
+                                            await context.Response.WriteAsync(response);
+                                        }
+                                        catch (Exception e)
+                                        {
+                                            Console.WriteLine(e);
+                                            throw;
+                                        }
+                                    }
+                                });
+                            })
+                            .Build();
+
+            _fakeConsulBuilder.Start();
+        }
+
+        public class FakeConsulGetResponse
+        {
+            public FakeConsulGetResponse(string value)
+            {
+                Value = value;
+            }
+
+            public int CreateIndex => 100;
+            public int ModifyIndex => 200;
+            public int LockIndex => 200;
+            public string Key => "OcelotConfiguration";
+            public int Flags => 0;
+            public string Value { get; private set; }
+            public string Session => "adf4238a-882b-9ddc-4a9d-5b6758e4159e";
+        }
+
+        private void GivenThereIsAServiceRunningOn(string url, int statusCode, string responseBody)
+        {
+            _builder = new WebHostBuilder()
+                .UseUrls(url)
+                .UseKestrel()
+                .UseContentRoot(Directory.GetCurrentDirectory())
+                .UseIISIntegration()
+                .UseUrls(url)
+                .Configure(app =>
+                {
+                    app.Run(async context =>
+                    {
+                        context.Response.StatusCode = statusCode;
+                        await context.Response.WriteAsync(responseBody);
+                    });
+                })
+                .Build();
+
+            _builder.Start();
+        }
+
+        public void Dispose()
+        {
+            _builder?.Dispose();
+            _steps.Dispose();
+        }
+    }
+}

test/Ocelot.AcceptanceTests/Steps.cs

@@ -15,9 +15,11 @@ using Microsoft.Extensions.DependencyInjection;
 using Microsoft.Extensions.Logging;
 using Newtonsoft.Json;
 using Ocelot.Configuration.File;
+using Ocelot.Configuration.Repository;
 using Ocelot.DependencyInjection;
 using Ocelot.ManualTest;
 using Ocelot.Middleware;
+using Ocelot.ServiceDiscovery;
 using Shouldly;
 using ConfigurationBuilder = Microsoft.Extensions.Configuration.ConfigurationBuilder;
 
@@ -84,6 +86,22 @@ namespace Ocelot.AcceptanceTests
             _ocelotClient = _ocelotServer.CreateClient();
         }
 
+        public void GivenOcelotIsRunningUsingConsulToStoreConfig(ConsulRegistryConfiguration consulConfig)
+        {
+            _webHostBuilder = new WebHostBuilder();
+
+            _webHostBuilder.ConfigureServices(s =>
+            {
+                s.AddSingleton(_webHostBuilder);
+                s.AddOcelotStoreConfigurationInConsul(consulConfig);
+            });
+
+            _ocelotServer = new TestServer(_webHostBuilder
+                .UseStartup<Startup>());
+
+            _ocelotClient = _ocelotServer.CreateClient();
+        }
+
         internal void ThenTheResponseShouldBe(FileConfiguration expected)
         {
             var response = JsonConvert.DeserializeObject<FileConfiguration>(_response.Content.ReadAsStringAsync().Result);
@@ -138,8 +156,7 @@ namespace Ocelot.AcceptanceTests
                         .WithDictionaryHandle();
                     };
                     
-                    s.AddOcelotOutputCaching(settings);
-                    s.AddOcelot(configuration);
+                    s.AddOcelot(configuration, settings);
                 })
                 .ConfigureLogging(l =>
                 {