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#529 removed consul deps and introduced delegate to find service discovery provider (#538)

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Tom Pallister 2018-08-12 14:46:46 +05:30 committed by GitHub
parent afe322693e
commit a91235b405
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26 changed files with 101 additions and 2385 deletions
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97
src/Ocelot/Configuration/Repository/ConsulFileConfigurationRepository.cs
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@ -1,97 +0,0 @@
namespace Ocelot.Configuration.Repository
{
using System;
using System.Text;
using System.Threading.Tasks;
using Consul;
using Newtonsoft.Json;
using Ocelot.Configuration.File;
using Ocelot.Infrastructure.Consul;
using Ocelot.Logging;
using Ocelot.Responses;
using Ocelot.ServiceDiscovery.Configuration;
public class ConsulFileConfigurationRepository : IFileConfigurationRepository
{
private readonly IConsulClient _consul;
private readonly string _configurationKey;
private readonly Cache.IOcelotCache<FileConfiguration> _cache;
private readonly IOcelotLogger _logger;
public ConsulFileConfigurationRepository(
Cache.IOcelotCache<FileConfiguration> cache,
IInternalConfigurationRepository repo,
IConsulClientFactory factory,
IOcelotLoggerFactory loggerFactory)
{
_logger = loggerFactory.CreateLogger<ConsulFileConfigurationRepository>();
_cache = cache;
var internalConfig = repo.Get();
_configurationKey = "InternalConfiguration";
string token = null;
if (!internalConfig.IsError)
{
token = internalConfig.Data.ServiceProviderConfiguration.Token;
_configurationKey = !string.IsNullOrEmpty(internalConfig.Data.ServiceProviderConfiguration.ConfigurationKey) ?
internalConfig.Data.ServiceProviderConfiguration.ConfigurationKey : _configurationKey;
}
var config = new ConsulRegistryConfiguration(internalConfig.Data.ServiceProviderConfiguration.Host,
internalConfig.Data.ServiceProviderConfiguration.Port, _configurationKey, token);
_consul = factory.Get(config);
}
public async Task<Response<FileConfiguration>> Get()
{
var config = _cache.Get(_configurationKey, _configurationKey);
if (config != null)
{
return new OkResponse<FileConfiguration>(config);
}
var queryResult = await _consul.KV.Get(_configurationKey);
if (queryResult.Response == null)
{
return new OkResponse<FileConfiguration>(null);
}
var bytes = queryResult.Response.Value;
var json = Encoding.UTF8.GetString(bytes);
var consulConfig = JsonConvert.DeserializeObject<FileConfiguration>(json);
return new OkResponse<FileConfiguration>(consulConfig);
}
public async Task<Response> Set(FileConfiguration ocelotConfiguration)
{
var json = JsonConvert.SerializeObject(ocelotConfiguration, Formatting.Indented);
var bytes = Encoding.UTF8.GetBytes(json);
var kvPair = new KVPair(_configurationKey)
{
Value = bytes
};
var result = await _consul.KV.Put(kvPair);
if (result.Response)
{
_cache.AddAndDelete(_configurationKey, ocelotConfiguration, TimeSpan.FromSeconds(3), _configurationKey);
return new OkResponse();
}
return new ErrorResponse(new UnableToSetConfigInConsulError($"Unable to set FileConfiguration in consul, response status code from consul was {result.StatusCode}"));
}
}
}

3
src/Ocelot/DependencyInjection/IOcelotBuilder.cs
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@ -10,8 +10,8 @@ namespace Ocelot.DependencyInjection
public interface IOcelotBuilder
{
IServiceCollection Services { get; }
IConfiguration Configuration { get; }
IOcelotBuilder AddStoreOcelotConfigurationInConsul();
IOcelotAdministrationBuilder AddAdministration(string path, string secret);
@ -22,6 +22,7 @@ namespace Ocelot.DependencyInjection
IOcelotBuilder AddSingletonDefinedAggregator<T>()
where T : class, IDefinedAggregator;
IOcelotBuilder AddTransientDefinedAggregator<T>()
where T : class, IDefinedAggregator;
}

9
src/Ocelot/DependencyInjection/OcelotBuilder.cs
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@ -40,7 +40,6 @@ namespace Ocelot.DependencyInjection
using Microsoft.Extensions.DependencyInjection.Extensions;
using System.Net.Http;
using Ocelot.Infrastructure;
using Ocelot.Infrastructure.Consul;
using Ocelot.Middleware.Multiplexer;
using ServiceDiscovery.Providers;
using Steeltoe.Common.Discovery;
@ -148,7 +147,6 @@ namespace Ocelot.DependencyInjection
Services.TryAddSingleton<IFileConfigurationPollerOptions, InMemoryFileConfigurationPollerOptions>();
Services.TryAddSingleton<IAddHeadersToResponse, AddHeadersToResponse>();
Services.TryAddSingleton<IPlaceholders, Placeholders>();
Services.TryAddSingleton<IConsulClientFactory, ConsulClientFactory>();
Services.TryAddSingleton<IResponseAggregatorFactory, InMemoryResponseAggregatorFactory>();
Services.TryAddSingleton<IDefinedAggregatorProvider, ServiceLocatorDefinedAggregatorProvider>();
Services.TryAddSingleton<IDownstreamRequestCreator, DownstreamRequestCreator>();
@ -217,13 +215,6 @@ namespace Ocelot.DependencyInjection
return this;
}
public IOcelotBuilder AddStoreOcelotConfigurationInConsul()
{
Services.AddHostedService<FileConfigurationPoller>();
Services.AddSingleton<IFileConfigurationRepository, ConsulFileConfigurationRepository>();
return this;
}
private void AddIdentityServer(Action<IdentityServerAuthenticationOptions> configOptions)
{
Services

22
src/Ocelot/Infrastructure/Consul/ConsulClientFactory.cs
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@ -1,22 +0,0 @@
using System;
using Consul;
using Ocelot.ServiceDiscovery.Configuration;
namespace Ocelot.Infrastructure.Consul
{
public class ConsulClientFactory : IConsulClientFactory
{
public IConsulClient Get(ConsulRegistryConfiguration config)
{
return new ConsulClient(c =>
{
c.Address = new Uri($"http://{config.Host}:{config.Port}");
if (!string.IsNullOrEmpty(config?.Token))
{
c.Token = config.Token;
}
});
}
}
}

10
src/Ocelot/Infrastructure/Consul/IConsulClientFactory.cs
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@ -1,10 +0,0 @@
using Consul;
using Ocelot.ServiceDiscovery.Configuration;
namespace Ocelot.Infrastructure.Consul
{
public interface IConsulClientFactory
{
IConsulClient Get(ConsulRegistryConfiguration config);
}
}

3
src/Ocelot/Middleware/OcelotMiddlewareExtensions.cs
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@ -242,7 +242,8 @@
private static bool UsingConsul(IFileConfigurationRepository fileConfigRepo)
{
return fileConfigRepo.GetType() == typeof(ConsulFileConfigurationRepository);
//todo - remove coupling by string
return fileConfigRepo.GetType().Name == "ConsulFileConfigurationRepository";
}
private static void CreateAdministrationArea(IApplicationBuilder builder, IInternalConfiguration configuration)

1
src/Ocelot/Ocelot.csproj
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@ -46,7 +46,6 @@
<PrivateAssets>all</PrivateAssets>
</PackageReference>
<PackageReference Include="System.Text.RegularExpressions" Version="4.3.0" />
<PackageReference Include="Consul" Version="0.7.2.5" />
<PackageReference Include="Polly" Version="6.0.1" />
<PackageReference Include="IdentityServer4" Version="2.2.0" />
<PackageReference Include="Pivotal.Discovery.ClientCore" Version="2.0.1" />

18
src/Ocelot/ServiceDiscovery/Configuration/ConsulRegistryConfiguration.cs
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@ -1,18 +0,0 @@
namespace Ocelot.ServiceDiscovery.Configuration
{
public class ConsulRegistryConfiguration
{
public ConsulRegistryConfiguration(string host, int port, string keyOfServiceInConsul, string token)
{
Host = string.IsNullOrEmpty(host) ? "localhost" : host;
Port = port > 0 ? port : 8500;
KeyOfServiceInConsul = keyOfServiceInConsul;
Token = token;
}
public string KeyOfServiceInConsul { get; }
public string Host { get; }
public int Port { get; }
public string Token { get; }
}
}

77
src/Ocelot/ServiceDiscovery/Providers/ConsulServiceDiscoveryProvider.cs
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@ -1,77 +0,0 @@
using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading.Tasks;
using Consul;
using Ocelot.Infrastructure.Consul;
using Ocelot.Infrastructure.Extensions;
using Ocelot.Logging;
using Ocelot.ServiceDiscovery.Configuration;
using Ocelot.Values;
namespace Ocelot.ServiceDiscovery.Providers
{
public class ConsulServiceDiscoveryProvider : IServiceDiscoveryProvider
{
private readonly ConsulRegistryConfiguration _config;
private readonly IOcelotLogger _logger;
private readonly IConsulClient _consul;
private const string VersionPrefix = "version-";
public ConsulServiceDiscoveryProvider(ConsulRegistryConfiguration config, IOcelotLoggerFactory factory, IConsulClientFactory clientFactory)
{;
_logger = factory.CreateLogger<ConsulServiceDiscoveryProvider>();
_config = config;
_consul = clientFactory.Get(_config);
}
public async Task<List<Service>> Get()
{
var queryResult = await _consul.Health.Service(_config.KeyOfServiceInConsul, string.Empty, true);
var services = new List<Service>();
foreach (var serviceEntry in queryResult.Response)
{
if (IsValid(serviceEntry))
{
services.Add(BuildService(serviceEntry));
}
else
{
_logger.LogWarning($"Unable to use service Address: {serviceEntry.Service.Address} and Port: {serviceEntry.Service.Port} as it is invalid. Address must contain host only e.g. localhost and port must be greater than 0");
}
}
return services.ToList();
}
private Service BuildService(ServiceEntry serviceEntry)
{
return new Service(
serviceEntry.Service.Service,
new ServiceHostAndPort(serviceEntry.Service.Address, serviceEntry.Service.Port),
serviceEntry.Service.ID,
GetVersionFromStrings(serviceEntry.Service.Tags),
serviceEntry.Service.Tags ?? Enumerable.Empty<string>());
}
private bool IsValid(ServiceEntry serviceEntry)
{
if (string.IsNullOrEmpty(serviceEntry.Service.Address) || serviceEntry.Service.Address.Contains("http://") || serviceEntry.Service.Address.Contains("https://") || serviceEntry.Service.Port <= 0)
{
return false;
}
return true;
}
private string GetVersionFromStrings(IEnumerable<string> strings)
{
return strings
?.FirstOrDefault(x => x.StartsWith(VersionPrefix, StringComparison.Ordinal))
.TrimStart(VersionPrefix);
}
}
}

56
src/Ocelot/ServiceDiscovery/Providers/PolingConsulServiceDiscoveryProvider.cs
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@ -1,56 +0,0 @@
using System;
using System.Collections.Concurrent;
using System.Collections.Generic;
using System.Linq;
using System.Threading;
using System.Threading.Tasks;
using Consul;
using Ocelot.Infrastructure.Consul;
using Ocelot.Infrastructure.Extensions;
using Ocelot.Logging;
using Ocelot.ServiceDiscovery.Configuration;
using Ocelot.Values;
namespace Ocelot.ServiceDiscovery.Providers
{
public class PollingConsulServiceDiscoveryProvider : IServiceDiscoveryProvider
{
private readonly IOcelotLogger _logger;
private readonly IServiceDiscoveryProvider _consulServiceDiscoveryProvider;
private readonly Timer _timer;
private bool _polling;
private List<Service> _services;
private string _keyOfServiceInConsul;
public PollingConsulServiceDiscoveryProvider(int pollingInterval, string keyOfServiceInConsul, IOcelotLoggerFactory factory, IServiceDiscoveryProvider consulServiceDiscoveryProvider)
{;
_logger = factory.CreateLogger<PollingConsulServiceDiscoveryProvider>();
_keyOfServiceInConsul = keyOfServiceInConsul;
_consulServiceDiscoveryProvider = consulServiceDiscoveryProvider;
_services = new List<Service>();
_timer = new Timer(async x =>
{
if(_polling)
{
return;
}
_polling = true;
await Poll();
_polling = false;
}, null, pollingInterval, pollingInterval);
}
public Task<List<Service>> Get()
{
return Task.FromResult(_services);
}
private async Task Poll()
{
_services = await _consulServiceDiscoveryProvider.Get();
}
}
}

53
src/Ocelot/ServiceDiscovery/ServiceDiscoveryProviderFactory.cs
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@ -1,26 +1,31 @@
using System.Collections.Generic;
using Ocelot.Configuration;
using Ocelot.Infrastructure.Consul;
using Ocelot.Logging;
using Ocelot.ServiceDiscovery.Configuration;
using Ocelot.ServiceDiscovery.Providers;
using Ocelot.Values;
namespace Ocelot.ServiceDiscovery
{
using System.Collections.Generic;
using Ocelot.Configuration;
using Ocelot.Logging;
using Ocelot.ServiceDiscovery.Configuration;
using Ocelot.ServiceDiscovery.Providers;
using Ocelot.Values;
using System;
using System.Linq;
using Microsoft.Extensions.DependencyInjection;
using Steeltoe.Common.Discovery;
public class ServiceDiscoveryProviderFactory : IServiceDiscoveryProviderFactory
{
private readonly IOcelotLoggerFactory _factory;
private readonly IConsulClientFactory _consulFactory;
private readonly IDiscoveryClient _eurekaClient;
private readonly List<ServiceDiscoveryFinderDelegate> _delegates;
private readonly IServiceProvider _provider;
public ServiceDiscoveryProviderFactory(IOcelotLoggerFactory factory, IConsulClientFactory consulFactory, IDiscoveryClient eurekaClient)
public ServiceDiscoveryProviderFactory(IOcelotLoggerFactory factory, IDiscoveryClient eurekaClient, IServiceProvider provider)
{
_factory = factory;
_consulFactory = consulFactory;
_eurekaClient = eurekaClient;
_provider = provider;
_delegates = provider
.GetServices<ServiceDiscoveryFinderDelegate>()
.ToList();
}
public IServiceDiscoveryProvider Get(ServiceProviderConfiguration serviceConfig, DownstreamReRoute reRoute)
@ -42,29 +47,27 @@ namespace Ocelot.ServiceDiscovery
return new ConfigurationServiceProvider(services);
}
private IServiceDiscoveryProvider GetServiceDiscoveryProvider(ServiceProviderConfiguration serviceConfig, string serviceName)
private IServiceDiscoveryProvider GetServiceDiscoveryProvider(ServiceProviderConfiguration config, string key)
{
if (serviceConfig.Type?.ToLower() == "servicefabric")
if (config.Type?.ToLower() == "servicefabric")
{
var config = new ServiceFabricConfiguration(serviceConfig.Host, serviceConfig.Port, serviceName);
return new ServiceFabricServiceDiscoveryProvider(config);
var sfConfig = new ServiceFabricConfiguration(config.Host, config.Port, key);
return new ServiceFabricServiceDiscoveryProvider(sfConfig);
}
if (serviceConfig.Type?.ToLower() == "eureka")
if (config.Type?.ToLower() == "eureka")
{
return new EurekaServiceDiscoveryProvider(serviceName, _eurekaClient);
return new EurekaServiceDiscoveryProvider(key, _eurekaClient);
}
var consulRegistryConfiguration = new ConsulRegistryConfiguration(serviceConfig.Host, serviceConfig.Port, serviceName, serviceConfig.Token);
// Todo - dont just hardcode this...only expect Consul at the momement so works.
var finderDelegate = _delegates.FirstOrDefault();
var consulServiceDiscoveryProvider = new ConsulServiceDiscoveryProvider(consulRegistryConfiguration, _factory, _consulFactory);
var provider = finderDelegate?.Invoke(_provider, config, key);
if (serviceConfig.Type?.ToLower() == "pollconsul")
{
return new PollingConsulServiceDiscoveryProvider(serviceConfig.PollingInterval, consulRegistryConfiguration.KeyOfServiceInConsul, _factory, consulServiceDiscoveryProvider);
}
return consulServiceDiscoveryProvider;
return provider;
}
}
public delegate IServiceDiscoveryProvider ServiceDiscoveryFinderDelegate(IServiceProvider provider, ServiceProviderConfiguration config, string key);
}

469
test/Ocelot.AcceptanceTests/ConfigurationInConsulTests.cs
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@ -1,469 +0,0 @@
using System;
using System.Collections.Generic;
using System.Diagnostics;
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.File;
using Shouldly;
using TestStack.BDDfy;
using Xunit;
using static Ocelot.Infrastructure.Wait;
namespace Ocelot.AcceptanceTests
{
using Cache;
public class ConfigurationInConsulTests : IDisposable
{
private IWebHost _builder;
private readonly Steps _steps;
private IWebHost _fakeConsulBuilder;
private FileConfiguration _config;
private List<ServiceEntry> _consulServices;
public ConfigurationInConsulTests()
{
_consulServices = new List<ServiceEntry>();
_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",
DownstreamHostAndPorts = new List<FileHostAndPort>
{
new FileHostAndPort
{
Host = "localhost",
Port = 51779,
}
},
UpstreamPathTemplate = "/",
UpstreamHttpMethod = new List<string> { "Get" },
}
},
GlobalConfiguration = new FileGlobalConfiguration()
{
ServiceDiscoveryProvider = new FileServiceDiscoveryProvider()
{
Host = "localhost",
Port = 9500
}
}
};
var fakeConsulServiceDiscoveryUrl = "http://localhost:9500";
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())
.When(x => _steps.WhenIGetUrlOnTheApiGateway("/"))
.Then(x => _steps.ThenTheStatusCodeShouldBe(HttpStatusCode.OK))
.And(x => _steps.ThenTheResponseBodyShouldBe("Hello from Laura"))
.BDDfy();
}
[Fact]
public void should_load_configuration_out_of_consul()
{
var consulPort = 8500;
var configuration = new FileConfiguration
{
GlobalConfiguration = new FileGlobalConfiguration()
{
ServiceDiscoveryProvider = new FileServiceDiscoveryProvider()
{
Host = "localhost",
Port = consulPort
}
}
};
var fakeConsulServiceDiscoveryUrl = $"http://localhost:{consulPort}";
var consulConfig = new FileConfiguration
{
ReRoutes = new List<FileReRoute>
{
new FileReRoute
{
DownstreamPathTemplate = "/status",
DownstreamScheme = "http",
DownstreamHostAndPorts = new List<FileHostAndPort>
{
new FileHostAndPort
{
Host = "localhost",
Port = 51779,
}
},
UpstreamPathTemplate = "/cs/status",
UpstreamHttpMethod = new List<string> {"Get"}
}
},
GlobalConfiguration = new FileGlobalConfiguration()
{
ServiceDiscoveryProvider = new FileServiceDiscoveryProvider()
{
Host = "localhost",
Port = consulPort
}
}
};
this.Given(x => GivenTheConsulConfigurationIs(consulConfig))
.And(x => GivenThereIsAFakeConsulServiceDiscoveryProvider(fakeConsulServiceDiscoveryUrl, ""))
.And(x => x.GivenThereIsAServiceRunningOn("http://localhost:51779", "/status", 200, "Hello from Laura"))
.And(x => _steps.GivenThereIsAConfiguration(configuration))
.And(x => _steps.GivenOcelotIsRunningUsingConsulToStoreConfig())
.When(x => _steps.WhenIGetUrlOnTheApiGateway("/cs/status"))
.Then(x => _steps.ThenTheStatusCodeShouldBe(HttpStatusCode.OK))
.And(x => _steps.ThenTheResponseBodyShouldBe("Hello from Laura"))
.BDDfy();
}
[Fact]
public void should_load_configuration_out_of_consul_if_it_is_changed()
{
var consulPort = 8506;
var configuration = new FileConfiguration
{
GlobalConfiguration = new FileGlobalConfiguration()
{
ServiceDiscoveryProvider = new FileServiceDiscoveryProvider()
{
Host = "localhost",
Port = consulPort
}
}
};
var fakeConsulServiceDiscoveryUrl = $"http://localhost:{consulPort}";
var consulConfig = new FileConfiguration
{
ReRoutes = new List<FileReRoute>
{
new FileReRoute
{
DownstreamPathTemplate = "/status",
DownstreamScheme = "http",
DownstreamHostAndPorts = new List<FileHostAndPort>
{
new FileHostAndPort
{
Host = "localhost",
Port = 51780,
}
},
UpstreamPathTemplate = "/cs/status",
UpstreamHttpMethod = new List<string> {"Get"}
}
},
GlobalConfiguration = new FileGlobalConfiguration()
{
ServiceDiscoveryProvider = new FileServiceDiscoveryProvider()
{
Host = "localhost",
Port = consulPort
}
}
};
var secondConsulConfig = new FileConfiguration
{
ReRoutes = new List<FileReRoute>
{
new FileReRoute
{
DownstreamPathTemplate = "/status",
DownstreamScheme = "http",
DownstreamHostAndPorts = new List<FileHostAndPort>
{
new FileHostAndPort
{
Host = "localhost",
Port = 51780,
}
},
UpstreamPathTemplate = "/cs/status/awesome",
UpstreamHttpMethod = new List<string> {"Get"}
}
},
GlobalConfiguration = new FileGlobalConfiguration()
{
ServiceDiscoveryProvider = new FileServiceDiscoveryProvider()
{
Host = "localhost",
Port = consulPort
}
}
};
this.Given(x => GivenTheConsulConfigurationIs(consulConfig))
.And(x => GivenThereIsAFakeConsulServiceDiscoveryProvider(fakeConsulServiceDiscoveryUrl, ""))
.And(x => x.GivenThereIsAServiceRunningOn("http://localhost:51780", "/status", 200, "Hello from Laura"))
.And(x => _steps.GivenThereIsAConfiguration(configuration))
.And(x => _steps.GivenOcelotIsRunningUsingConsulToStoreConfig())
.And(x => _steps.WhenIGetUrlOnTheApiGateway("/cs/status"))
.And(x => _steps.ThenTheStatusCodeShouldBe(HttpStatusCode.OK))
.And(x => _steps.ThenTheResponseBodyShouldBe("Hello from Laura"))
.When(x => GivenTheConsulConfigurationIs(secondConsulConfig))
.Then(x => ThenTheConfigIsUpdatedInOcelot())
.BDDfy();
}
[Fact]
public void should_handle_request_to_consul_for_downstream_service_and_make_request_no_re_routes_and_rate_limit()
{
const int consulPort = 8523;
const string serviceName = "web";
const int downstreamServicePort = 8187;
var downstreamServiceOneUrl = $"http://localhost:{downstreamServicePort}";
var fakeConsulServiceDiscoveryUrl = $"http://localhost:{consulPort}";
var serviceEntryOne = new ServiceEntry()
{
Service = new AgentService()
{
Service = serviceName,
Address = "localhost",
Port = downstreamServicePort,
ID = "web_90_0_2_224_8080",
Tags = new[] {"version-v1"}
},
};
var consulConfig = new FileConfiguration
{
DynamicReRoutes = new List<FileDynamicReRoute>
{
new FileDynamicReRoute
{
ServiceName = serviceName,
RateLimitRule = new FileRateLimitRule()
{
EnableRateLimiting = true,
ClientWhitelist = new List<string>(),
Limit = 3,
Period = "1s",
PeriodTimespan = 1000
}
}
},
GlobalConfiguration = new FileGlobalConfiguration
{
ServiceDiscoveryProvider = new FileServiceDiscoveryProvider
{
Host = "localhost",
Port = consulPort
},
RateLimitOptions = new FileRateLimitOptions()
{
ClientIdHeader = "ClientId",
DisableRateLimitHeaders = false,
QuotaExceededMessage = "",
RateLimitCounterPrefix = "",
HttpStatusCode = 428
},
DownstreamScheme = "http",
}
};
var configuration = new FileConfiguration
{
GlobalConfiguration = new FileGlobalConfiguration
{
ServiceDiscoveryProvider = new FileServiceDiscoveryProvider
{
Host = "localhost",
Port = consulPort
}
}
};
this.Given(x => x.GivenThereIsAServiceRunningOn(downstreamServiceOneUrl, "/something", 200, "Hello from Laura"))
.And(x => GivenTheConsulConfigurationIs(consulConfig))
.And(x => x.GivenThereIsAFakeConsulServiceDiscoveryProvider(fakeConsulServiceDiscoveryUrl, serviceName))
.And(x => x.GivenTheServicesAreRegisteredWithConsul(serviceEntryOne))
.And(x => _steps.GivenThereIsAConfiguration(configuration))
.And(x => _steps.GivenOcelotIsRunningUsingConsulToStoreConfig())
.When(x => _steps.WhenIGetUrlOnTheApiGatewayMultipleTimesForRateLimit("/web/something",1))
.Then(x => _steps.ThenTheStatusCodeShouldBe(200))
.When(x => _steps.WhenIGetUrlOnTheApiGatewayMultipleTimesForRateLimit("/web/something", 2))
.Then(x => _steps.ThenTheStatusCodeShouldBe(200))
.When(x => _steps.WhenIGetUrlOnTheApiGatewayMultipleTimesForRateLimit("/web/something",1))
.Then(x => _steps.ThenTheStatusCodeShouldBe(428))
.BDDfy();
}
private void ThenTheConfigIsUpdatedInOcelot()
{
var result = WaitFor(20000).Until(() => {
try
{
_steps.WhenIGetUrlOnTheApiGateway("/cs/status/awesome");
_steps.ThenTheStatusCodeShouldBe(HttpStatusCode.OK);
_steps.ThenTheResponseBodyShouldBe("Hello from Laura");
return true;
}
catch (Exception)
{
return false;
}
});
result.ShouldBeTrue();
}
private void GivenTheConsulConfigurationIs(FileConfiguration config)
{
_config = config;
}
private void GivenTheServicesAreRegisteredWithConsul(params ServiceEntry[] serviceEntries)
{
foreach(var serviceEntry in serviceEntries)
{
_consulServices.Add(serviceEntry);
}
}
private void GivenThereIsAFakeConsulServiceDiscoveryProvider(string url, string serviceName)
{
_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/InternalConfiguration")
{
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/InternalConfiguration")
{
try
{
var reader = new StreamReader(context.Request.Body);
var json = reader.ReadToEnd();
_config = JsonConvert.DeserializeObject<FileConfiguration>(json);
var response = JsonConvert.SerializeObject(true);
await context.Response.WriteAsync(response);
}
catch (Exception e)
{
Console.WriteLine(e);
throw;
}
}
else if (context.Request.Path.Value == $"/v1/health/service/{serviceName}")
{
await context.Response.WriteJsonAsync(_consulServices);
}
});
})
.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 => "InternalConfiguration";
public int Flags => 0;
public string Value { get; private set; }
public string Session => "adf4238a-882b-9ddc-4a9d-5b6758e4159e";
}
private void GivenThereIsAServiceRunningOn(string url, string basePath, int statusCode, string responseBody)
{
_builder = new WebHostBuilder()
.UseUrls(url)
.UseKestrel()
.UseContentRoot(Directory.GetCurrentDirectory())
.UseIISIntegration()
.UseUrls(url)
.Configure(app =>
{
app.UsePathBase(basePath);
app.Run(async context =>
{
context.Response.StatusCode = statusCode;
await context.Response.WriteAsync(responseBody);
});
})
.Build();
_builder.Start();
}
public void Dispose()
{
_builder?.Dispose();
_steps.Dispose();
}
class FakeCache : IOcelotCache<FileConfiguration>
{
public void Add(string key, FileConfiguration value, TimeSpan ttl, string region)
{
throw new NotImplementedException();
}
public void AddAndDelete(string key, FileConfiguration value, TimeSpan ttl, string region)
{
throw new NotImplementedException();
}
public FileConfiguration Get(string key, string region)
{
throw new NotImplementedException();
}
public void ClearRegion(string region)
{
throw new NotImplementedException();
}
}
}
}

1
test/Ocelot.AcceptanceTests/Ocelot.AcceptanceTests.csproj
View File

@ -50,7 +50,6 @@
<PackageReference Include="Microsoft.DotNet.InternalAbstractions" Version="1.0.500-preview2-1-003177" />
<PackageReference Include="Shouldly" Version="3.0.0" />
<PackageReference Include="TestStack.BDDfy" Version="4.3.2" />
<PackageReference Include="Consul" Version="0.7.2.5" />
<PackageReference Include="xunit" Version="2.3.1" />
<PackageReference Include="Butterfly.Client.AspNetCore" Version="0.0.8" />
<PackageReference Include="Rafty" Version="0.4.4" />

564
test/Ocelot.AcceptanceTests/ServiceDiscoveryTests.cs
View File

@ -2,12 +2,9 @@ namespace Ocelot.AcceptanceTests
{
using System;
using System.Collections.Generic;
using System.Linq;
using System.Net;
using Consul;
using Microsoft.AspNetCore.Http;
using Ocelot.Configuration.File;
using Shouldly;
using TestStack.BDDfy;
using Xunit;
using Newtonsoft.Json;
@ -16,20 +13,13 @@ namespace Ocelot.AcceptanceTests
public class ServiceDiscoveryTests : IDisposable
{
private readonly Steps _steps;
private readonly List<ServiceEntry> _consulServices;
private readonly List<IServiceInstance> _eurekaInstances;
private int _counterOne;
private int _counterTwo;
private static readonly object SyncLock = new object();
private string _downstreamPath;
private string _receivedToken;
private readonly ServiceHandler _serviceHandler;
public ServiceDiscoveryTests()
{
_serviceHandler = new ServiceHandler();
_steps = new Steps();
_consulServices = new List<ServiceEntry>();
_eurekaInstances = new List<IServiceInstance>();
}
@ -80,479 +70,6 @@ namespace Ocelot.AcceptanceTests
.BDDfy();
}
[Fact]
public void should_use_consul_service_discovery_and_load_balance_request()
{
var consulPort = 8502;
var serviceName = "product";
var downstreamServiceOneUrl = "http://localhost:50881";
var downstreamServiceTwoUrl = "http://localhost:50882";
var fakeConsulServiceDiscoveryUrl = $"http://localhost:{consulPort}";
var serviceEntryOne = new ServiceEntry()
{
Service = new AgentService()
{
Service = serviceName,
Address = "localhost",
Port = 50881,
ID = Guid.NewGuid().ToString(),
Tags = new string[0]
},
};
var serviceEntryTwo = new ServiceEntry()
{
Service = new AgentService()
{
Service = serviceName,
Address = "localhost",
Port = 50882,
ID = Guid.NewGuid().ToString(),
Tags = new string[0]
},
};
var configuration = new FileConfiguration
{
ReRoutes = new List<FileReRoute>
{
new FileReRoute
{
DownstreamPathTemplate = "/",
DownstreamScheme = "http",
UpstreamPathTemplate = "/",
UpstreamHttpMethod = new List<string> { "Get" },
ServiceName = serviceName,
LoadBalancerOptions = new FileLoadBalancerOptions { Type = "LeastConnection" },
UseServiceDiscovery = true,
}
},
GlobalConfiguration = new FileGlobalConfiguration()
{
ServiceDiscoveryProvider = new FileServiceDiscoveryProvider()
{
Host = "localhost",
Port = consulPort
}
}
};
this.Given(x => x.GivenProductServiceOneIsRunning(downstreamServiceOneUrl, 200))
.And(x => x.GivenProductServiceTwoIsRunning(downstreamServiceTwoUrl, 200))
.And(x => x.GivenThereIsAFakeConsulServiceDiscoveryProvider(fakeConsulServiceDiscoveryUrl, serviceName))
.And(x => x.GivenTheServicesAreRegisteredWithConsul(serviceEntryOne, serviceEntryTwo))
.And(x => _steps.GivenThereIsAConfiguration(configuration))
.And(x => _steps.GivenOcelotIsRunning())
.When(x => _steps.WhenIGetUrlOnTheApiGatewayMultipleTimes("/", 50))
.Then(x => x.ThenTheTwoServicesShouldHaveBeenCalledTimes(50))
.And(x => x.ThenBothServicesCalledRealisticAmountOfTimes(24, 26))
.BDDfy();
}
[Fact]
public void should_handle_request_to_consul_for_downstream_service_and_make_request()
{
const int consulPort = 8505;
const string serviceName = "web";
const string downstreamServiceOneUrl = "http://localhost:8080";
var fakeConsulServiceDiscoveryUrl = $"http://localhost:{consulPort}";
var serviceEntryOne = new ServiceEntry()
{
Service = new AgentService()
{
Service = serviceName,
Address = "localhost",
Port = 8080,
ID = "web_90_0_2_224_8080",
Tags = new[] {"version-v1"}
},
};
var configuration = new FileConfiguration
{
ReRoutes = new List<FileReRoute>
{
new FileReRoute
{
DownstreamPathTemplate = "/api/home",
DownstreamScheme = "http",
UpstreamPathTemplate = "/home",
UpstreamHttpMethod = new List<string> { "Get", "Options" },
ServiceName = serviceName,
LoadBalancerOptions = new FileLoadBalancerOptions { Type = "LeastConnection" },
UseServiceDiscovery = true,
}
},
GlobalConfiguration = new FileGlobalConfiguration()
{
ServiceDiscoveryProvider = new FileServiceDiscoveryProvider()
{
Host = "localhost",
Port = consulPort
}
}
};
this.Given(x => x.GivenThereIsAServiceRunningOn(downstreamServiceOneUrl, "/api/home", 200, "Hello from Laura"))
.And(x => x.GivenThereIsAFakeConsulServiceDiscoveryProvider(fakeConsulServiceDiscoveryUrl, serviceName))
.And(x => x.GivenTheServicesAreRegisteredWithConsul(serviceEntryOne))
.And(x => _steps.GivenThereIsAConfiguration(configuration))
.And(x => _steps.GivenOcelotIsRunning())
.When(x => _steps.WhenIGetUrlOnTheApiGateway("/home"))
.Then(x => _steps.ThenTheStatusCodeShouldBe(HttpStatusCode.OK))
.And(x => _steps.ThenTheResponseBodyShouldBe("Hello from Laura"))
.BDDfy();
}
[Fact]
public void should_handle_request_to_consul_for_downstream_service_and_make_request_no_re_routes()
{
const int consulPort = 8513;
const string serviceName = "web";
const int downstreamServicePort = 8087;
var downstreamServiceOneUrl = $"http://localhost:{downstreamServicePort}";
var fakeConsulServiceDiscoveryUrl = $"http://localhost:{consulPort}";
var serviceEntryOne = new ServiceEntry()
{
Service = new AgentService()
{
Service = serviceName,
Address = "localhost",
Port = downstreamServicePort,
ID = "web_90_0_2_224_8080",
Tags = new[] {"version-v1"}
},
};
var configuration = new FileConfiguration
{
GlobalConfiguration = new FileGlobalConfiguration
{
ServiceDiscoveryProvider = new FileServiceDiscoveryProvider
{
Host = "localhost",
Port = consulPort
},
DownstreamScheme = "http",
HttpHandlerOptions = new FileHttpHandlerOptions
{
AllowAutoRedirect = true,
UseCookieContainer = true,
UseTracing = false
},
QoSOptions = new FileQoSOptions
{
TimeoutValue = 100,
DurationOfBreak = 1000,
ExceptionsAllowedBeforeBreaking = 1
}
}
};
this.Given(x => x.GivenThereIsAServiceRunningOn(downstreamServiceOneUrl, "/something", 200, "Hello from Laura"))
.And(x => x.GivenThereIsAFakeConsulServiceDiscoveryProvider(fakeConsulServiceDiscoveryUrl, serviceName))
.And(x => x.GivenTheServicesAreRegisteredWithConsul(serviceEntryOne))
.And(x => _steps.GivenThereIsAConfiguration(configuration))
.And(x => _steps.GivenOcelotIsRunning())
.When(x => _steps.WhenIGetUrlOnTheApiGateway("/web/something"))
.Then(x => _steps.ThenTheStatusCodeShouldBe(HttpStatusCode.OK))
.And(x => _steps.ThenTheResponseBodyShouldBe("Hello from Laura"))
.BDDfy();
}
[Fact]
public void should_use_consul_service_discovery_and_load_balance_request_no_re_routes()
{
var consulPort = 8510;
var serviceName = "product";
var serviceOnePort = 50888;
var serviceTwoPort = 50889;
var downstreamServiceOneUrl = $"http://localhost:{serviceOnePort}";
var downstreamServiceTwoUrl = $"http://localhost:{serviceTwoPort}";
var fakeConsulServiceDiscoveryUrl = $"http://localhost:{consulPort}";
var serviceEntryOne = new ServiceEntry()
{
Service = new AgentService()
{
Service = serviceName,
Address = "localhost",
Port = serviceOnePort,
ID = Guid.NewGuid().ToString(),
Tags = new string[0]
},
};
var serviceEntryTwo = new ServiceEntry()
{
Service = new AgentService()
{
Service = serviceName,
Address = "localhost",
Port = serviceTwoPort,
ID = Guid.NewGuid().ToString(),
Tags = new string[0]
},
};
var configuration = new FileConfiguration
{
GlobalConfiguration = new FileGlobalConfiguration()
{
ServiceDiscoveryProvider = new FileServiceDiscoveryProvider()
{
Host = "localhost",
Port = consulPort
},
LoadBalancerOptions = new FileLoadBalancerOptions { Type = "LeastConnection" },
DownstreamScheme = "http"
}
};
this.Given(x => x.GivenProductServiceOneIsRunning(downstreamServiceOneUrl, 200))
.And(x => x.GivenProductServiceTwoIsRunning(downstreamServiceTwoUrl, 200))
.And(x => x.GivenThereIsAFakeConsulServiceDiscoveryProvider(fakeConsulServiceDiscoveryUrl, serviceName))
.And(x => x.GivenTheServicesAreRegisteredWithConsul(serviceEntryOne, serviceEntryTwo))
.And(x => _steps.GivenThereIsAConfiguration(configuration))
.And(x => _steps.GivenOcelotIsRunning())
.When(x => _steps.WhenIGetUrlOnTheApiGatewayMultipleTimes($"/{serviceName}/", 50))
.Then(x => x.ThenTheTwoServicesShouldHaveBeenCalledTimes(50))
.And(x => x.ThenBothServicesCalledRealisticAmountOfTimes(24, 26))
.BDDfy();
}
[Fact]
public void should_use_token_to_make_request_to_consul()
{
var token = "abctoken";
var consulPort = 8515;
var serviceName = "web";
var downstreamServiceOneUrl = "http://localhost:8081";
var fakeConsulServiceDiscoveryUrl = $"http://localhost:{consulPort}";
var serviceEntryOne = new ServiceEntry()
{
Service = new AgentService()
{
Service = serviceName,
Address = "localhost",
Port = 8081,
ID = "web_90_0_2_224_8080",
Tags = new[] { "version-v1" }
},
};
var configuration = new FileConfiguration
{
ReRoutes = new List<FileReRoute>
{
new FileReRoute
{
DownstreamPathTemplate = "/api/home",
DownstreamScheme = "http",
UpstreamPathTemplate = "/home",
UpstreamHttpMethod = new List<string> { "Get", "Options" },
ServiceName = serviceName,
LoadBalancerOptions = new FileLoadBalancerOptions { Type = "LeastConnection" },
UseServiceDiscovery = true,
}
},
GlobalConfiguration = new FileGlobalConfiguration()
{
ServiceDiscoveryProvider = new FileServiceDiscoveryProvider()
{
Host = "localhost",
Port = consulPort,
Token = token
}
}
};
this.Given(_ => GivenThereIsAServiceRunningOn(downstreamServiceOneUrl, "/api/home", 200, "Hello from Laura"))
.And(_ => GivenThereIsAFakeConsulServiceDiscoveryProvider(fakeConsulServiceDiscoveryUrl, serviceName))
.And(_ => GivenTheServicesAreRegisteredWithConsul(serviceEntryOne))
.And(_ => _steps.GivenThereIsAConfiguration(configuration))
.And(_ => _steps.GivenOcelotIsRunning())
.When(_ => _steps.WhenIGetUrlOnTheApiGateway("/home"))
.Then(_ => _steps.ThenTheStatusCodeShouldBe(HttpStatusCode.OK))
.And(_ => _steps.ThenTheResponseBodyShouldBe("Hello from Laura"))
.And(_ => _receivedToken.ShouldBe(token))
.BDDfy();
}
[Fact]
public void should_send_request_to_service_after_it_becomes_available_in_consul()
{
var consulPort = 8501;
var serviceName = "product";
var downstreamServiceOneUrl = "http://localhost:50879";
var downstreamServiceTwoUrl = "http://localhost:50880";
var fakeConsulServiceDiscoveryUrl = $"http://localhost:{consulPort}";
var serviceEntryOne = new ServiceEntry()
{
Service = new AgentService()
{
Service = serviceName,
Address = "localhost",
Port = 50879,
ID = Guid.NewGuid().ToString(),
Tags = new string[0]
},
};
var serviceEntryTwo = new ServiceEntry()
{
Service = new AgentService()
{
Service = serviceName,
Address = "localhost",
Port = 50880,
ID = Guid.NewGuid().ToString(),
Tags = new string[0]
},
};
var configuration = new FileConfiguration
{
ReRoutes = new List<FileReRoute>
{
new FileReRoute
{
DownstreamPathTemplate = "/",
DownstreamScheme = "http",
UpstreamPathTemplate = "/",
UpstreamHttpMethod = new List<string> { "Get" },
ServiceName = serviceName,
LoadBalancerOptions = new FileLoadBalancerOptions { Type = "LeastConnection" },
UseServiceDiscovery = true,
}
},
GlobalConfiguration = new FileGlobalConfiguration()
{
ServiceDiscoveryProvider = new FileServiceDiscoveryProvider()
{
Host = "localhost",
Port = consulPort
}
}
};
this.Given(x => x.GivenProductServiceOneIsRunning(downstreamServiceOneUrl, 200))
.And(x => x.GivenProductServiceTwoIsRunning(downstreamServiceTwoUrl, 200))
.And(x => x.GivenThereIsAFakeConsulServiceDiscoveryProvider(fakeConsulServiceDiscoveryUrl, serviceName))
.And(x => x.GivenTheServicesAreRegisteredWithConsul(serviceEntryOne, serviceEntryTwo))
.And(x => _steps.GivenThereIsAConfiguration(configuration))
.And(x => _steps.GivenOcelotIsRunning())
.And(x => _steps.WhenIGetUrlOnTheApiGatewayMultipleTimes("/", 10))
.And(x => x.ThenTheTwoServicesShouldHaveBeenCalledTimes(10))
.And(x => x.ThenBothServicesCalledRealisticAmountOfTimes(4, 6))
.And(x => WhenIRemoveAService(serviceEntryTwo))
.And(x => GivenIResetCounters())
.And(x => _steps.WhenIGetUrlOnTheApiGatewayMultipleTimes("/", 10))
.And(x => ThenOnlyOneServiceHasBeenCalled())
.And(x => WhenIAddAServiceBackIn(serviceEntryTwo))
.And(x => GivenIResetCounters())
.When(x => _steps.WhenIGetUrlOnTheApiGatewayMultipleTimes("/", 10))
.Then(x => x.ThenTheTwoServicesShouldHaveBeenCalledTimes(10))
.And(x => x.ThenBothServicesCalledRealisticAmountOfTimes(4, 6))
.BDDfy();
}
[Fact]
public void should_handle_request_to_poll_consul_for_downstream_service_and_make_request()
{
const int consulPort = 8518;
const string serviceName = "web";
const int downstreamServicePort = 8082;
var downstreamServiceOneUrl = $"http://localhost:{downstreamServicePort}";
var fakeConsulServiceDiscoveryUrl = $"http://localhost:{consulPort}";
var serviceEntryOne = new ServiceEntry()
{
Service = new AgentService()
{
Service = serviceName,
Address = "localhost",
Port = downstreamServicePort,
ID = $"web_90_0_2_224_{downstreamServicePort}",
Tags = new[] {"version-v1"}
},
};
var configuration = new FileConfiguration
{
ReRoutes = new List<FileReRoute>
{
new FileReRoute
{
DownstreamPathTemplate = "/api/home",
DownstreamScheme = "http",
UpstreamPathTemplate = "/home",
UpstreamHttpMethod = new List<string> { "Get", "Options" },
ServiceName = serviceName,
LoadBalancerOptions = new FileLoadBalancerOptions { Type = "LeastConnection" },
UseServiceDiscovery = true,
}
},
GlobalConfiguration = new FileGlobalConfiguration()
{
ServiceDiscoveryProvider = new FileServiceDiscoveryProvider()
{
Host = "localhost",
Port = consulPort,
Type = "PollConsul",
PollingInterval = 0
}
}
};
this.Given(x => x.GivenThereIsAServiceRunningOn(downstreamServiceOneUrl, "/api/home", 200, "Hello from Laura"))
.And(x => x.GivenThereIsAFakeConsulServiceDiscoveryProvider(fakeConsulServiceDiscoveryUrl, serviceName))
.And(x => x.GivenTheServicesAreRegisteredWithConsul(serviceEntryOne))
.And(x => _steps.GivenThereIsAConfiguration(configuration))
.And(x => _steps.GivenOcelotIsRunning())
.When(x => _steps.WhenIGetUrlOnTheApiGatewayWaitingForTheResponseToBeOk("/home"))
.Then(x => _steps.ThenTheStatusCodeShouldBe(HttpStatusCode.OK))
.And(x => _steps.ThenTheResponseBodyShouldBe("Hello from Laura"))
.BDDfy();
}
private void WhenIAddAServiceBackIn(ServiceEntry serviceEntryTwo)
{
_consulServices.Add(serviceEntryTwo);
}
private void ThenOnlyOneServiceHasBeenCalled()
{
_counterOne.ShouldBe(10);
_counterTwo.ShouldBe(0);
}
private void WhenIRemoveAService(ServiceEntry serviceEntryTwo)
{
_consulServices.Remove(serviceEntryTwo);
}
private void GivenIResetCounters()
{
_counterOne = 0;
_counterTwo = 0;
}
private void ThenBothServicesCalledRealisticAmountOfTimes(int bottom, int top)
{
_counterOne.ShouldBeInRange(bottom, top);
_counterOne.ShouldBeInRange(bottom, top);
}
private void ThenTheTwoServicesShouldHaveBeenCalledTimes(int expected)
{
var total = _counterOne + _counterTwo;
total.ShouldBe(expected);
}
private void GivenTheServicesAreRegisteredWithConsul(params ServiceEntry[] serviceEntries)
{
foreach(var serviceEntry in serviceEntries)
{
_consulServices.Add(serviceEntry);
}
}
private void GivenTheServicesAreRegisteredWithEureka(params IServiceInstance[] serviceInstances)
{
foreach (var instance in serviceInstances)
@ -631,68 +148,6 @@ namespace Ocelot.AcceptanceTests
});
}
private void GivenThereIsAFakeConsulServiceDiscoveryProvider(string url, string serviceName)
{
_serviceHandler.GivenThereIsAServiceRunningOn(url, async context =>
{
if (context.Request.Path.Value == $"/v1/health/service/{serviceName}")
{
if (context.Request.Headers.TryGetValue("X-Consul-Token", out var values))
{
_receivedToken = values.First();
}
await context.Response.WriteJsonAsync(_consulServices);
}
});
}
private void GivenProductServiceOneIsRunning(string url, int statusCode)
{
_serviceHandler.GivenThereIsAServiceRunningOn(url, async context =>
{
try
{
string response;
lock (SyncLock)
{
_counterOne++;
response = _counterOne.ToString();
}
context.Response.StatusCode = statusCode;
await context.Response.WriteAsync(response);
}
catch (Exception exception)
{
await context.Response.WriteAsync(exception.StackTrace);
}
});
}
private void GivenProductServiceTwoIsRunning(string url, int statusCode)
{
_serviceHandler.GivenThereIsAServiceRunningOn(url, async context =>
{
try
{
string response;
lock (SyncLock)
{
_counterTwo++;
response = _counterTwo.ToString();
}
context.Response.StatusCode = statusCode;
await context.Response.WriteAsync(response);
}
catch (Exception exception)
{
await context.Response.WriteAsync(exception.StackTrace);
}
});
}
private void GivenEurekaProductServiceOneIsRunning(string url)
{
_serviceHandler.GivenThereIsAServiceRunningOn(url, async context =>
@ -709,25 +164,6 @@ namespace Ocelot.AcceptanceTests
});
}
private void GivenThereIsAServiceRunningOn(string baseUrl, string basePath, int statusCode, string responseBody)
{
_serviceHandler.GivenThereIsAServiceRunningOn(baseUrl, basePath, async context =>
{
_downstreamPath = !string.IsNullOrEmpty(context.Request.PathBase.Value) ? context.Request.PathBase.Value : context.Request.Path.Value;
if (_downstreamPath != basePath)
{
context.Response.StatusCode = statusCode;
await context.Response.WriteAsync("downstream path didnt match base path");
}
else
{
context.Response.StatusCode = statusCode;
await context.Response.WriteAsync(responseBody);
}
});
}
public void Dispose()
{
_serviceHandler?.Dispose();

46
test/Ocelot.AcceptanceTests/Steps.cs
View File

@ -422,34 +422,6 @@
header.First().ShouldBe(value);
}
public void GivenOcelotIsRunningUsingConsulToStoreConfig()
{
_webHostBuilder = new WebHostBuilder();
_webHostBuilder
.ConfigureAppConfiguration((hostingContext, config) =>
{
config.SetBasePath(hostingContext.HostingEnvironment.ContentRootPath);
var env = hostingContext.HostingEnvironment;
config.AddJsonFile("appsettings.json", optional: true, reloadOnChange: false)
.AddJsonFile($"appsettings.{env.EnvironmentName}.json", optional: true, reloadOnChange: false);
config.AddJsonFile("ocelot.json", optional: true, reloadOnChange: false);
config.AddEnvironmentVariables();
})
.ConfigureServices(s =>
{
s.AddOcelot().AddStoreOcelotConfigurationInConsul();
})
.Configure(app =>
{
app.UseOcelot().Wait();
});
_ocelotServer = new TestServer(_webHostBuilder);
_ocelotClient = _ocelotServer.CreateClient();
}
/// <summary>
/// This is annoying cos it should be in the constructor but we need to set up the file before calling startup so its a step.
/// </summary>
@ -576,24 +548,6 @@
_response = _ocelotClient.GetAsync(url).Result;
}
public void WhenIGetUrlOnTheApiGatewayWaitingForTheResponseToBeOk(string url)
{
var result = WaitFor(2000).Until(() => {
try
{
_response = _ocelotClient.GetAsync(url).Result;
_response.EnsureSuccessStatusCode();
return true;
}
catch(Exception)
{
return false;
}
});
result.ShouldBeTrue();
}
public void WhenIGetUrlOnTheApiGateway(string url, string cookie, string value)
{
var request = _ocelotServer.CreateRequest(url);

151
test/Ocelot.AcceptanceTests/TwoDownstreamServicesTests.cs
View File

@ -1,151 +0,0 @@
namespace Ocelot.AcceptanceTests
{
using System;
using System.Collections.Generic;
using System.Net;
using Consul;
using Microsoft.AspNetCore.Http;
using Ocelot.Configuration.File;
using TestStack.BDDfy;
using Xunit;
public class TwoDownstreamServicesTests : IDisposable
{
private readonly Steps _steps;
private readonly List<ServiceEntry> _serviceEntries;
private string _downstreamPathOne;
private string _downstreamPathTwo;
private readonly ServiceHandler _serviceHandler;
public TwoDownstreamServicesTests()
{
_serviceHandler = new ServiceHandler();
_steps = new Steps();
_serviceEntries = new List<ServiceEntry>();
}
[Fact]
public void should_fix_issue_194()
{
var consulPort = 8503;
var downstreamServiceOneUrl = "http://localhost:8362";
var downstreamServiceTwoUrl = "http://localhost:8330";
var fakeConsulServiceDiscoveryUrl = $"http://localhost:{consulPort}";
var configuration = new FileConfiguration
{
ReRoutes = new List<FileReRoute>
{
new FileReRoute
{
DownstreamPathTemplate = "/api/user/{user}",
DownstreamScheme = "http",
DownstreamHostAndPorts = new List<FileHostAndPort>
{
new FileHostAndPort
{
Host = "localhost",
Port = 8362,
}
},
UpstreamPathTemplate = "/api/user/{user}",
UpstreamHttpMethod = new List<string> { "Get" },
},
new FileReRoute
{
DownstreamPathTemplate = "/api/product/{product}",
DownstreamScheme = "http",
DownstreamHostAndPorts = new List<FileHostAndPort>
{
new FileHostAndPort
{
Host = "localhost",
Port = 8330,
}
},
UpstreamPathTemplate = "/api/product/{product}",
UpstreamHttpMethod = new List<string> { "Get" },
}
},
GlobalConfiguration = new FileGlobalConfiguration()
{
ServiceDiscoveryProvider = new FileServiceDiscoveryProvider()
{
Host = "localhost",
Port = consulPort
}
}
};
this.Given(x => x.GivenProductServiceOneIsRunning(downstreamServiceOneUrl, "/api/user/info", 200, "user"))
.And(x => x.GivenProductServiceTwoIsRunning(downstreamServiceTwoUrl, "/api/product/info", 200, "product"))
.And(x => x.GivenThereIsAFakeConsulServiceDiscoveryProvider(fakeConsulServiceDiscoveryUrl))
.And(x => _steps.GivenThereIsAConfiguration(configuration))
.And(x => _steps.GivenOcelotIsRunning())
.When(x => _steps.WhenIGetUrlOnTheApiGateway("/api/user/info?id=1"))
.Then(x => _steps.ThenTheStatusCodeShouldBe(HttpStatusCode.OK))
.And(x => _steps.ThenTheResponseBodyShouldBe("user"))
.When(x => _steps.WhenIGetUrlOnTheApiGateway("/api/product/info?id=1"))
.Then(x => _steps.ThenTheStatusCodeShouldBe(HttpStatusCode.OK))
.And(x => _steps.ThenTheResponseBodyShouldBe("product"))
.BDDfy();
}
private void GivenThereIsAFakeConsulServiceDiscoveryProvider(string url)
{
_serviceHandler.GivenThereIsAServiceRunningOn(url, async context =>
{
if (context.Request.Path.Value == "/v1/health/service/product")
{
await context.Response.WriteJsonAsync(_serviceEntries);
}
});
}
private void GivenProductServiceOneIsRunning(string baseUrl, string basePath, int statusCode, string responseBody)
{
_serviceHandler.GivenThereIsAServiceRunningOn(baseUrl, basePath, async context =>
{
_downstreamPathOne = !string.IsNullOrEmpty(context.Request.PathBase.Value)
? context.Request.PathBase.Value
: context.Request.Path.Value;
if (_downstreamPathOne != basePath)
{
context.Response.StatusCode = statusCode;
await context.Response.WriteAsync("downstream path didnt match base path");
}
else
{
context.Response.StatusCode = statusCode;
await context.Response.WriteAsync(responseBody);
}
});
}
private void GivenProductServiceTwoIsRunning(string baseUrl, string basePath, int statusCode, string responseBody)
{
_serviceHandler.GivenThereIsAServiceRunningOn(baseUrl, basePath, async context =>
{
_downstreamPathTwo = !string.IsNullOrEmpty(context.Request.PathBase.Value) ? context.Request.PathBase.Value : context.Request.Path.Value;
if (_downstreamPathTwo != basePath)
{
context.Response.StatusCode = statusCode;
await context.Response.WriteAsync("downstream path didnt match base path");
}
else
{
context.Response.StatusCode = statusCode;
await context.Response.WriteAsync(responseBody);
}
});
}
public void Dispose()
{
_serviceHandler?.Dispose();
_steps.Dispose();
}
}
}

94
test/Ocelot.AcceptanceTests/WebSocketTests.cs
View File

@ -6,8 +6,6 @@ namespace Ocelot.AcceptanceTests
using System.Text;
using System.Threading;
using System.Threading.Tasks;
using Consul;
using Microsoft.AspNetCore.Http;
using Ocelot.Configuration.File;
using Shouldly;
using TestStack.BDDfy;
@ -17,7 +15,6 @@ namespace Ocelot.AcceptanceTests
{
private readonly List<string> _secondRecieved;
private readonly List<string> _firstRecieved;
private readonly List<ServiceEntry> _serviceEntries;
private readonly Steps _steps;
private readonly ServiceHandler _serviceHandler;
@ -27,7 +24,6 @@ namespace Ocelot.AcceptanceTests
_steps = new Steps();
_firstRecieved = new List<string>();
_secondRecieved = new List<string>();
_serviceEntries = new List<ServiceEntry>();
}
[Fact]
@ -109,77 +105,6 @@ namespace Ocelot.AcceptanceTests
.BDDfy();
}
[Fact]
public void should_proxy_websocket_input_to_downstream_service_and_use_service_discovery_and_load_balancer()
{
var downstreamPort = 5007;
var downstreamHost = "localhost";
var secondDownstreamPort = 5008;
var secondDownstreamHost = "localhost";
var serviceName = "websockets";
var consulPort = 8509;
var fakeConsulServiceDiscoveryUrl = $"http://localhost:{consulPort}";
var serviceEntryOne = new ServiceEntry()
{
Service = new AgentService()
{
Service = serviceName,
Address = downstreamHost,
Port = downstreamPort,
ID = Guid.NewGuid().ToString(),
Tags = new string[0]
},
};
var serviceEntryTwo = new ServiceEntry()
{
Service = new AgentService()
{
Service = serviceName,
Address = secondDownstreamHost,
Port = secondDownstreamPort,
ID = Guid.NewGuid().ToString(),
Tags = new string[0]
},
};
var config = new FileConfiguration
{
ReRoutes = new List<FileReRoute>
{
new FileReRoute
{
UpstreamPathTemplate = "/",
DownstreamPathTemplate = "/ws",
DownstreamScheme = "ws",
LoadBalancerOptions = new FileLoadBalancerOptions { Type = "RoundRobin" },
ServiceName = serviceName,
UseServiceDiscovery = true
}
},
GlobalConfiguration = new FileGlobalConfiguration
{
ServiceDiscoveryProvider = new FileServiceDiscoveryProvider
{
Host = "localhost",
Port = consulPort,
Type = "consul"
}
}
};
this.Given(_ => _steps.GivenThereIsAConfiguration(config))
.And(_ => _steps.StartFakeOcelotWithWebSockets())
.And(_ => GivenThereIsAFakeConsulServiceDiscoveryProvider(fakeConsulServiceDiscoveryUrl, serviceName))
.And(_ => GivenTheServicesAreRegisteredWithConsul(serviceEntryOne, serviceEntryTwo))
.And(_ => StartFakeDownstreamService($"http://{downstreamHost}:{downstreamPort}", "/ws"))
.And(_ => StartSecondFakeDownstreamService($"http://{secondDownstreamHost}:{secondDownstreamPort}", "/ws"))
.When(_ => WhenIStartTheClients())
.Then(_ => ThenBothDownstreamServicesAreCalled())
.BDDfy();
}
private void ThenBothDownstreamServicesAreCalled()
{
_firstRecieved.Count.ShouldBe(10);
@ -195,25 +120,6 @@ namespace Ocelot.AcceptanceTests
});
}
private void GivenTheServicesAreRegisteredWithConsul(params ServiceEntry[] serviceEntries)
{
foreach (var serviceEntry in serviceEntries)
{
_serviceEntries.Add(serviceEntry);
}
}
private void GivenThereIsAFakeConsulServiceDiscoveryProvider(string url, string serviceName)
{
_serviceHandler.GivenThereIsAServiceRunningOn(url, async context =>
{
if (context.Request.Path.Value == $"/v1/health/service/{serviceName}")
{
await context.Response.WriteJsonAsync(_serviceEntries);
}
});
}
private async Task WhenIStartTheClients()
{
var firstClient = StartClient("ws://localhost:5000/");

1
test/Ocelot.IntegrationTests/Ocelot.IntegrationTests.csproj
View File

@ -42,7 +42,6 @@
<PackageReference Include="IdentityServer4" Version="2.2.0" />
<PackageReference Include="Shouldly" Version="3.0.0" />
<PackageReference Include="TestStack.BDDfy" Version="4.3.2" />
<PackageReference Include="Consul" Version="0.7.2.5" />
<PackageReference Include="Rafty" Version="0.4.4" />
<PackageReference Include="Microsoft.Data.SQLite" Version="2.1.0" />
</ItemGroup>

1
test/Ocelot.ManualTest/Ocelot.ManualTest.csproj
View File

@ -36,7 +36,6 @@
<PackageReference Include="Microsoft.Extensions.Logging.Console" Version="2.1.1" />
<PackageReference Include="Microsoft.Extensions.Logging.Debug" Version="2.1.1" />
<PackageReference Include="Microsoft.Extensions.Options.ConfigurationExtensions" Version="2.1.1" />
<PackageReference Include="Consul" Version="0.7.2.5" />
<PackageReference Include="Polly" Version="6.0.1" />
<PackageReference Include="StyleCop.Analyzers" Version="1.0.2">
<PrivateAssets>all</PrivateAssets>

263
test/Ocelot.UnitTests/Configuration/ConsulFileConfigurationRepositoryTests.cs
View File

@ -1,263 +0,0 @@
namespace Ocelot.UnitTests.Configuration
{
using Xunit;
using TestStack.BDDfy;
using Shouldly;
using Ocelot.Configuration.Repository;
using Moq;
using Ocelot.Infrastructure.Consul;
using Ocelot.Logging;
using Ocelot.Configuration.File;
using Ocelot.Cache;
using System;
using System.Collections.Generic;
using Ocelot.Responses;
using System.Threading.Tasks;
using Ocelot.Configuration;
using Ocelot.Configuration.Builder;
using Ocelot.ServiceDiscovery.Configuration;
using Consul;
using Newtonsoft.Json;
using System.Text;
using System.Threading;
using System.Linq;
public class ConsulFileConfigurationRepositoryTests
{
private ConsulFileConfigurationRepository _repo;
private Mock<IOcelotCache<FileConfiguration>> _cache;
private Mock<IInternalConfigurationRepository> _internalRepo;
private Mock<IConsulClientFactory> _factory;
private Mock<IOcelotLoggerFactory> _loggerFactory;
private Mock<IConsulClient> _client;
private Mock<IKVEndpoint> _kvEndpoint;
private FileConfiguration _fileConfiguration;
private Response _setResult;
private Response<FileConfiguration> _getResult;
public ConsulFileConfigurationRepositoryTests()
{
_cache = new Mock<IOcelotCache<FileConfiguration>>();
_internalRepo = new Mock<IInternalConfigurationRepository>();
_loggerFactory = new Mock<IOcelotLoggerFactory>();
_factory = new Mock<IConsulClientFactory>();
_client = new Mock<IConsulClient>();
_kvEndpoint = new Mock<IKVEndpoint>();
_client
.Setup(x => x.KV)
.Returns(_kvEndpoint.Object);
_factory
.Setup(x => x.Get(It.IsAny<ConsulRegistryConfiguration>()))
.Returns(_client.Object);
_internalRepo
.Setup(x => x.Get())
.Returns(new OkResponse<IInternalConfiguration>(new InternalConfiguration(new List<ReRoute>(), "", new ServiceProviderConfigurationBuilder().Build(), "", It.IsAny<LoadBalancerOptions>(), It.IsAny<string>(), It.IsAny<QoSOptions>(), It.IsAny<HttpHandlerOptions>())));
_repo = new ConsulFileConfigurationRepository(_cache.Object, _internalRepo.Object, _factory.Object, _loggerFactory.Object);
}
[Fact]
public void should_set_config()
{
var config = FakeFileConfiguration();
this.Given(_ => GivenIHaveAConfiguration(config))
.And(_ => GivenWritingToConsulSucceeds())
.When(_ => WhenISetTheConfiguration())
.Then(_ => ThenTheConfigurationIsStoredAs(config))
.BDDfy();
}
[Fact]
public void should_get_config()
{
var config = FakeFileConfiguration();
this.Given(_ => GivenIHaveAConfiguration(config))
.And(_ => GivenFetchFromConsulSucceeds())
.When(_ => WhenIGetTheConfiguration())
.Then(_ => ThenTheConfigurationIs(config))
.BDDfy();
}
[Fact]
public void should_get_null_config()
{
this.Given(_ => GivenFetchFromConsulReturnsNull())
.When(_ => WhenIGetTheConfiguration())
.Then(_ => ThenTheConfigurationIsNull())
.BDDfy();
}
[Fact]
public void should_get_config_from_cache()
{
var config = FakeFileConfiguration();
this.Given(_ => GivenIHaveAConfiguration(config))
.And(_ => GivenFetchFromCacheSucceeds())
.When(_ => WhenIGetTheConfiguration())
.Then(_ => ThenTheConfigurationIs(config))
.BDDfy();
}
[Fact]
public void should_set_config_key()
{
var config = FakeFileConfiguration();
this.Given(_ => GivenIHaveAConfiguration(config))
.And(_ => GivenTheConfigKeyComesFromFileConfig("Tom"))
.And(_ => GivenFetchFromConsulSucceeds())
.When(_ => WhenIGetTheConfiguration())
.And(_ => ThenTheConfigKeyIs("Tom"))
.BDDfy();
}
[Fact]
public void should_set_default_config_key()
{
var config = FakeFileConfiguration();
this.Given(_ => GivenIHaveAConfiguration(config))
.And(_ => GivenFetchFromConsulSucceeds())
.When(_ => WhenIGetTheConfiguration())
.And(_ => ThenTheConfigKeyIs("InternalConfiguration"))
.BDDfy();
}
private void ThenTheConfigKeyIs(string expected)
{
_kvEndpoint
.Verify(x => x.Get(expected, It.IsAny<CancellationToken>()), Times.Once);
}
private void GivenTheConfigKeyComesFromFileConfig(string key)
{
_internalRepo
.Setup(x => x.Get())
.Returns(new OkResponse<IInternalConfiguration>(new InternalConfiguration(new List<ReRoute>(), "",
new ServiceProviderConfigurationBuilder().WithConfigurationKey(key).Build(), "",
new LoadBalancerOptionsBuilder().Build(), "", new QoSOptionsBuilder().Build(),
new HttpHandlerOptionsBuilder().Build())));
_repo = new ConsulFileConfigurationRepository(_cache.Object, _internalRepo.Object, _factory.Object, _loggerFactory.Object);
}
private void ThenTheConfigurationIsNull()
{
_getResult.Data.ShouldBeNull();
}
private void ThenTheConfigurationIs(FileConfiguration config)
{
var expected = JsonConvert.SerializeObject(config, Formatting.Indented);
var result = JsonConvert.SerializeObject(_getResult.Data, Formatting.Indented);
result.ShouldBe(expected);
}
private async Task WhenIGetTheConfiguration()
{
_getResult = await _repo.Get();
}
private void GivenWritingToConsulSucceeds()
{
var response = new WriteResult<bool>();
response.Response = true;
_kvEndpoint
.Setup(x => x.Put(It.IsAny<KVPair>(), It.IsAny<CancellationToken>())).ReturnsAsync(response);
}
private void GivenFetchFromCacheSucceeds()
{
_cache.Setup(x => x.Get(It.IsAny<string>(), It.IsAny<string>())).Returns(_fileConfiguration);
}
private void GivenFetchFromConsulReturnsNull()
{
QueryResult<KVPair> result = new QueryResult<KVPair>();
_kvEndpoint
.Setup(x => x.Get(It.IsAny<string>(), It.IsAny<CancellationToken>()))
.ReturnsAsync(result);
}
private void GivenFetchFromConsulSucceeds()
{
var json = JsonConvert.SerializeObject(_fileConfiguration, Formatting.Indented);
var bytes = Encoding.UTF8.GetBytes(json);
var kvp = new KVPair("OcelotConfiguration");
kvp.Value = bytes;
var query = new QueryResult<KVPair>();
query.Response = kvp;
_kvEndpoint
.Setup(x => x.Get(It.IsAny<string>(), It.IsAny<CancellationToken>()))
.ReturnsAsync(query);
}
private void ThenTheConfigurationIsStoredAs(FileConfiguration config)
{
var json = JsonConvert.SerializeObject(config, Formatting.Indented);
var bytes = Encoding.UTF8.GetBytes(json);
_kvEndpoint
.Verify(x => x.Put(It.Is<KVPair>(k => k.Value.SequenceEqual(bytes)), It.IsAny<CancellationToken>()), Times.Once);
}
private async Task WhenISetTheConfiguration()
{
_setResult = await _repo.Set(_fileConfiguration);
}
private void GivenIHaveAConfiguration(FileConfiguration config)
{
_fileConfiguration = config;
}
private FileConfiguration FakeFileConfiguration()
{
var reRoutes = new List<FileReRoute>
{
new FileReRoute
{
DownstreamHostAndPorts = new List<FileHostAndPort>
{
new FileHostAndPort
{
Host = "123.12.12.12",
Port = 80,
}
},
DownstreamScheme = "https",
DownstreamPathTemplate = "/asdfs/test/{test}"
}
};
var globalConfiguration = new FileGlobalConfiguration
{
ServiceDiscoveryProvider = new FileServiceDiscoveryProvider
{
Port = 198,
Host = "blah"
}
};
return new FileConfiguration
{
GlobalConfiguration = globalConfiguration,
ReRoutes = reRoutes
};
}
}
}

62
test/Ocelot.UnitTests/DependencyInjection/OcelotBuilderTests.cs
View File

@ -1,28 +1,23 @@
using System;
using System.Collections.Generic;
using System.Linq;
using System.Net.Http;
using Microsoft.AspNetCore.Hosting;
using Microsoft.AspNetCore.Hosting.Internal;
using Microsoft.Extensions.Configuration;
using Microsoft.Extensions.DependencyInjection;
using Ocelot.Cache;
using Ocelot.Configuration;
using Ocelot.Configuration.File;
using Ocelot.Configuration.Setter;
using Ocelot.DependencyInjection;
using Ocelot.Requester;
using Ocelot.UnitTests.Requester;
using Shouldly;
using IdentityServer4.AccessTokenValidation;
using TestStack.BDDfy;
using Xunit;
using static Ocelot.UnitTests.Middleware.UserDefinedResponseAggregatorTests;
using Ocelot.Middleware.Multiplexer;
namespace Ocelot.UnitTests.DependencyInjection
{
using Butterfly;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Net.Http;
using Microsoft.AspNetCore.Hosting;
using Microsoft.AspNetCore.Hosting.Internal;
using Microsoft.Extensions.Configuration;
using Microsoft.Extensions.DependencyInjection;
using Ocelot.Configuration.Setter;
using Ocelot.DependencyInjection;
using Ocelot.Requester;
using Ocelot.UnitTests.Requester;
using Shouldly;
using IdentityServer4.AccessTokenValidation;
using TestStack.BDDfy;
using Xunit;
using static Ocelot.UnitTests.Middleware.UserDefinedResponseAggregatorTests;
using Ocelot.Middleware.Multiplexer;
public class OcelotBuilderTests
{
@ -80,15 +75,6 @@ namespace Ocelot.UnitTests.DependencyInjection
.BDDfy();
}
[Fact]
public void should_set_up_consul()
{
this.Given(x => WhenISetUpOcelotServices())
.When(x => WhenISetUpConsul())
.Then(x => ThenAnExceptionIsntThrown())
.BDDfy();
}
[Fact]
public void should_set_up_rafty()
{
@ -271,18 +257,6 @@ namespace Ocelot.UnitTests.DependencyInjection
first.ShouldBe(second);
}
private void WhenISetUpConsul()
{
try
{
_ocelotBuilder.AddStoreOcelotConfigurationInConsul();
}
catch (Exception e)
{
_ex = e;
}
}
private void WhenISetUpRafty()
{
try

2
test/Ocelot.UnitTests/Infrastructure/InMemoryBusTests.cs
View File

@ -22,7 +22,7 @@ namespace Ocelot.UnitTests.Infrastructure
called = true;
});
_bus.Publish(new object(), 1);
await Task.Delay(10);
await Task.Delay(100);
called.ShouldBeTrue();
}

297
test/Ocelot.UnitTests/ServiceDiscovery/ConsulServiceDiscoveryProviderTests.cs
View File

@ -1,297 +0,0 @@
using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using Consul;
using Microsoft.AspNetCore.Builder;
using Microsoft.AspNetCore.Hosting;
using Microsoft.AspNetCore.Http;
using Moq;
using Ocelot.Infrastructure.Consul;
using Ocelot.Logging;
using Ocelot.ServiceDiscovery.Configuration;
using Ocelot.ServiceDiscovery.Providers;
using Ocelot.Values;
using Xunit;
using TestStack.BDDfy;
using Shouldly;
namespace Ocelot.UnitTests.ServiceDiscovery
{
public class ConsulServiceDiscoveryProviderTests : IDisposable
{
private IWebHost _fakeConsulBuilder;
private readonly List<ServiceEntry> _serviceEntries;
private ConsulServiceDiscoveryProvider _provider;
private readonly string _serviceName;
private readonly int _port;
private readonly string _consulHost;
private readonly string _fakeConsulServiceDiscoveryUrl;
private List<Service> _services;
private readonly Mock<IOcelotLoggerFactory> _factory;
private readonly Mock<IOcelotLogger> _logger;
private string _receivedToken;
private readonly IConsulClientFactory _clientFactory;
public ConsulServiceDiscoveryProviderTests()
{
_serviceName = "test";
_port = 8500;
_consulHost = "localhost";
_fakeConsulServiceDiscoveryUrl = $"http://{_consulHost}:{_port}";
_serviceEntries = new List<ServiceEntry>();
_factory = new Mock<IOcelotLoggerFactory>();
_clientFactory = new ConsulClientFactory();
_logger = new Mock<IOcelotLogger>();
_factory.Setup(x => x.CreateLogger<ConsulServiceDiscoveryProvider>()).Returns(_logger.Object);
var config = new ConsulRegistryConfiguration(_consulHost, _port, _serviceName, null);
_provider = new ConsulServiceDiscoveryProvider(config, _factory.Object, _clientFactory);
}
[Fact]
public void should_return_service_from_consul()
{
var serviceEntryOne = new ServiceEntry()
{
Service = new AgentService()
{
Service = _serviceName,
Address = "localhost",
Port = 50881,
ID = Guid.NewGuid().ToString(),
Tags = new string[0]
},
};
this.Given(x =>GivenThereIsAFakeConsulServiceDiscoveryProvider(_fakeConsulServiceDiscoveryUrl, _serviceName))
.And(x => GivenTheServicesAreRegisteredWithConsul(serviceEntryOne))
.When(x => WhenIGetTheServices())
.Then(x => ThenTheCountIs(1))
.BDDfy();
}
[Fact]
public void should_use_token()
{
var token = "test token";
var config = new ConsulRegistryConfiguration(_consulHost, _port, _serviceName, token);
_provider = new ConsulServiceDiscoveryProvider(config, _factory.Object, _clientFactory);
var serviceEntryOne = new ServiceEntry()
{
Service = new AgentService()
{
Service = _serviceName,
Address = "localhost",
Port = 50881,
ID = Guid.NewGuid().ToString(),
Tags = new string[0]
},
};
this.Given(_ => GivenThereIsAFakeConsulServiceDiscoveryProvider(_fakeConsulServiceDiscoveryUrl, _serviceName))
.And(_ => GivenTheServicesAreRegisteredWithConsul(serviceEntryOne))
.When(_ => WhenIGetTheServices())
.Then(_ => ThenTheCountIs(1))
.And(_ => _receivedToken.ShouldBe(token))
.BDDfy();
}
[Fact]
public void should_not_return_services_with_invalid_address()
{
var serviceEntryOne = new ServiceEntry()
{
Service = new AgentService()
{
Service = _serviceName,
Address = "http://localhost",
Port = 50881,
ID = Guid.NewGuid().ToString(),
Tags = new string[0]
},
};
var serviceEntryTwo = new ServiceEntry()
{
Service = new AgentService()
{
Service = _serviceName,
Address = "http://localhost",
Port = 50888,
ID = Guid.NewGuid().ToString(),
Tags = new string[0]
},
};
this.Given(x => GivenThereIsAFakeConsulServiceDiscoveryProvider(_fakeConsulServiceDiscoveryUrl, _serviceName))
.And(x => GivenTheServicesAreRegisteredWithConsul(serviceEntryOne, serviceEntryTwo))
.When(x => WhenIGetTheServices())
.Then(x => ThenTheCountIs(0))
.And(x => ThenTheLoggerHasBeenCalledCorrectlyForInvalidAddress())
.BDDfy();
}
[Fact]
public void should_not_return_services_with_empty_address()
{
var serviceEntryOne = new ServiceEntry()
{
Service = new AgentService()
{
Service = _serviceName,
Address = "",
Port = 50881,
ID = Guid.NewGuid().ToString(),
Tags = new string[0]
},
};
var serviceEntryTwo = new ServiceEntry()
{
Service = new AgentService()
{
Service = _serviceName,
Address = null,
Port = 50888,
ID = Guid.NewGuid().ToString(),
Tags = new string[0]
},
};
this.Given(x => GivenThereIsAFakeConsulServiceDiscoveryProvider(_fakeConsulServiceDiscoveryUrl, _serviceName))
.And(x => GivenTheServicesAreRegisteredWithConsul(serviceEntryOne, serviceEntryTwo))
.When(x => WhenIGetTheServices())
.Then(x => ThenTheCountIs(0))
.And(x => ThenTheLoggerHasBeenCalledCorrectlyForEmptyAddress())
.BDDfy();
}
[Fact]
public void should_not_return_services_with_invalid_port()
{
var serviceEntryOne = new ServiceEntry()
{
Service = new AgentService()
{
Service = _serviceName,
Address = "localhost",
Port = -1,
ID = Guid.NewGuid().ToString(),
Tags = new string[0]
},
};
var serviceEntryTwo = new ServiceEntry()
{
Service = new AgentService()
{
Service = _serviceName,
Address = "localhost",
Port = 0,
ID = Guid.NewGuid().ToString(),
Tags = new string[0]
},
};
this.Given(x => GivenThereIsAFakeConsulServiceDiscoveryProvider(_fakeConsulServiceDiscoveryUrl, _serviceName))
.And(x => GivenTheServicesAreRegisteredWithConsul(serviceEntryOne, serviceEntryTwo))
.When(x => WhenIGetTheServices())
.Then(x => ThenTheCountIs(0))
.And(x => ThenTheLoggerHasBeenCalledCorrectlyForInvalidPorts())
.BDDfy();
}
private void ThenTheLoggerHasBeenCalledCorrectlyForInvalidAddress()
{
_logger.Verify(
x => x.LogWarning(
"Unable to use service Address: http://localhost and Port: 50881 as it is invalid. Address must contain host only e.g. localhost and port must be greater than 0"),
Times.Once);
_logger.Verify(
x => x.LogWarning(
"Unable to use service Address: http://localhost and Port: 50888 as it is invalid. Address must contain host only e.g. localhost and port must be greater than 0"),
Times.Once);
}
private void ThenTheLoggerHasBeenCalledCorrectlyForEmptyAddress()
{
_logger.Verify(
x => x.LogWarning(
"Unable to use service Address: and Port: 50881 as it is invalid. Address must contain host only e.g. localhost and port must be greater than 0"),
Times.Once);
_logger.Verify(
x => x.LogWarning(
"Unable to use service Address: and Port: 50888 as it is invalid. Address must contain host only e.g. localhost and port must be greater than 0"),
Times.Once);
}
private void ThenTheLoggerHasBeenCalledCorrectlyForInvalidPorts()
{
_logger.Verify(
x => x.LogWarning(
"Unable to use service Address: localhost and Port: -1 as it is invalid. Address must contain host only e.g. localhost and port must be greater than 0"),
Times.Once);
_logger.Verify(
x => x.LogWarning(
"Unable to use service Address: localhost and Port: 0 as it is invalid. Address must contain host only e.g. localhost and port must be greater than 0"),
Times.Once);
}
private void ThenTheCountIs(int count)
{
_services.Count.ShouldBe(count);
}
private void WhenIGetTheServices()
{
_services = _provider.Get().GetAwaiter().GetResult();
}
private void GivenTheServicesAreRegisteredWithConsul(params ServiceEntry[] serviceEntries)
{
foreach (var serviceEntry in serviceEntries)
{
_serviceEntries.Add(serviceEntry);
}
}
private void GivenThereIsAFakeConsulServiceDiscoveryProvider(string url, string serviceName)
{
_fakeConsulBuilder = new WebHostBuilder()
.UseUrls(url)
.UseKestrel()
.UseContentRoot(Directory.GetCurrentDirectory())
.UseIISIntegration()
.UseUrls(url)
.Configure(app =>
{
app.Run(async context =>
{
if (context.Request.Path.Value == $"/v1/health/service/{serviceName}")
{
if (context.Request.Headers.TryGetValue("X-Consul-Token", out var values))
{
_receivedToken = values.First();
}
await context.Response.WriteJsonAsync(_serviceEntries);
}
});
})
.Build();
_fakeConsulBuilder.Start();
}
public void Dispose()
{
_fakeConsulBuilder?.Dispose();
}
}
}

80
test/Ocelot.UnitTests/ServiceDiscovery/PollingConsulServiceDiscoveryProviderTests.cs
View File

@ -1,80 +0,0 @@
namespace Ocelot.UnitTests.ServiceDiscovery
{
using System;
using System.Collections.Generic;
using Moq;
using Ocelot.Logging;
using Ocelot.ServiceDiscovery.Providers;
using Ocelot.Values;
using Xunit;
using TestStack.BDDfy;
using Shouldly;
using static Ocelot.Infrastructure.Wait;
public class PollingConsulServiceDiscoveryProviderTests
{
private readonly int _delay;
private PollingConsulServiceDiscoveryProvider _provider;
private readonly List<Service> _services;
private readonly Mock<IOcelotLoggerFactory> _factory;
private readonly Mock<IOcelotLogger> _logger;
private readonly Mock<IServiceDiscoveryProvider> _consulServiceDiscoveryProvider;
private List<Service> _result;
public PollingConsulServiceDiscoveryProviderTests()
{
_services = new List<Service>();
_delay = 1;
_factory = new Mock<IOcelotLoggerFactory>();
_logger = new Mock<IOcelotLogger>();
_factory.Setup(x => x.CreateLogger<PollingConsulServiceDiscoveryProvider>()).Returns(_logger.Object);
_consulServiceDiscoveryProvider = new Mock<IServiceDiscoveryProvider>();
}
[Fact]
public void should_return_service_from_consul()
{
var service = new Service("", new ServiceHostAndPort("", 0), "", "", new List<string>());
this.Given(x => GivenConsulReturns(service))
.When(x => WhenIGetTheServices(1))
.Then(x => ThenTheCountIs(1))
.BDDfy();
}
private void GivenConsulReturns(Service service)
{
_services.Add(service);
_consulServiceDiscoveryProvider.Setup(x => x.Get()).ReturnsAsync(_services);
}
private void ThenTheCountIs(int count)
{
_result.Count.ShouldBe(count);
}
private void WhenIGetTheServices(int expected)
{
_provider = new PollingConsulServiceDiscoveryProvider(_delay, "", _factory.Object, _consulServiceDiscoveryProvider.Object);
var result = WaitFor(3000).Until(() => {
try
{
_result = _provider.Get().GetAwaiter().GetResult();
if(_result.Count == expected)
{
return true;
}
return false;
}
catch(Exception)
{
return false;
}
});
result.ShouldBeTrue();
}
}
}

17
test/Ocelot.UnitTests/ServiceDiscovery/ServiceFabricServiceDiscoveryProviderTests.cs
View File

@ -1,23 +1,12 @@
using Ocelot.ServiceDiscovery.Configuration;
using Ocelot.ServiceDiscovery.Providers;
namespace Ocelot.UnitTests.ServiceDiscovery
namespace Ocelot.UnitTests.ServiceDiscovery
{
using System;
using System.Collections.Generic;
using System.IO;
using System.Text;
using Consul;
using Microsoft.AspNetCore.Builder;
using Microsoft.AspNetCore.Hosting;
using Microsoft.AspNetCore.Http;
using Moq;
using Ocelot.Logging;
using Ocelot.ServiceDiscovery;
using Ocelot.Values;
using Xunit;
using TestStack.BDDfy;
using Shouldly;
using Ocelot.ServiceDiscovery.Configuration;
using Ocelot.ServiceDiscovery.Providers;
public class ServiceFabricServiceDiscoveryProviderTests
{

83
test/Ocelot.UnitTests/ServiceDiscovery/ServiceProviderFactoryTests.cs
View File

@ -1,39 +1,41 @@
using System;
using System.Collections.Generic;
using Moq;
using Ocelot.Configuration;
using Ocelot.Configuration.Builder;
using Ocelot.Infrastructure.Consul;
using Ocelot.Logging;
using Ocelot.ServiceDiscovery;
using Ocelot.ServiceDiscovery.Providers;
using Shouldly;
using TestStack.BDDfy;
using Xunit;
namespace Ocelot.UnitTests.ServiceDiscovery
{
using Pivotal.Discovery.Client;
using System;
using System.Threading.Tasks;
using Microsoft.Extensions.DependencyInjection;
using Steeltoe.Common.Discovery;
using Values;
using System.Collections.Generic;
using Moq;
using Ocelot.Configuration;
using Ocelot.Configuration.Builder;
using Ocelot.Logging;
using Ocelot.ServiceDiscovery;
using Ocelot.ServiceDiscovery.Providers;
using Shouldly;
using TestStack.BDDfy;
using Xunit;
public class ServiceProviderFactoryTests
{
private ServiceProviderConfiguration _serviceConfig;
private IServiceDiscoveryProvider _result;
private readonly ServiceDiscoveryProviderFactory _factory;
private ServiceDiscoveryProviderFactory _factory;
private DownstreamReRoute _reRoute;
private Mock<IOcelotLoggerFactory> _loggerFactory;
private Mock<IDiscoveryClient> _discoveryClient;
private Mock<IOcelotLogger> _logger;
private IServiceProvider _provider;
private IServiceCollection _collection;
public ServiceProviderFactoryTests()
{
_loggerFactory = new Mock<IOcelotLoggerFactory>();
_logger = new Mock<IOcelotLogger>();
_loggerFactory.Setup(x => x.CreateLogger<PollingConsulServiceDiscoveryProvider>()).Returns(_logger.Object);
_discoveryClient = new Mock<IDiscoveryClient>();
var consulClient = new Mock<IConsulClientFactory>();
_factory = new ServiceDiscoveryProviderFactory(_loggerFactory.Object, consulClient.Object, _discoveryClient.Object);
_collection = new ServiceCollection();
_provider = _collection.BuildServiceProvider();
_factory = new ServiceDiscoveryProviderFactory(_loggerFactory.Object, _discoveryClient.Object, _provider);
}
[Fact]
@ -72,7 +74,7 @@ namespace Ocelot.UnitTests.ServiceDiscovery
}
[Fact]
public void should_return_consul_service_provider()
public void should_call_delegate()
{
var reRoute = new DownstreamReRouteBuilder()
.WithServiceName("product")
@ -83,27 +85,9 @@ namespace Ocelot.UnitTests.ServiceDiscovery
.Build();
this.Given(x => x.GivenTheReRoute(serviceConfig, reRoute))
.And(x => GivenAFakeDelegate())
.When(x => x.WhenIGetTheServiceProvider())
.Then(x => x.ThenTheServiceProviderIs<ConsulServiceDiscoveryProvider>())
.BDDfy();
}
[Fact]
public void should_return_polling_consul_service_provider()
{
var reRoute = new DownstreamReRouteBuilder()
.WithServiceName("product")
.WithUseServiceDiscovery(true)
.Build();
var serviceConfig = new ServiceProviderConfigurationBuilder()
.WithType("PollConsul")
.WithPollingInterval(100000)
.Build();
this.Given(x => x.GivenTheReRoute(serviceConfig, reRoute))
.When(x => x.WhenIGetTheServiceProvider())
.Then(x => x.ThenTheServiceProviderIs<PollingConsulServiceDiscoveryProvider>())
.Then(x => x.ThenTheDelegateIsCalled())
.BDDfy();
}
@ -143,6 +127,27 @@ namespace Ocelot.UnitTests.ServiceDiscovery
.BDDfy();
}
private void GivenAFakeDelegate()
{
ServiceDiscoveryFinderDelegate fake = (provider, config, name) => new Fake();
_collection.AddSingleton(fake);
_provider = _collection.BuildServiceProvider();
_factory = new ServiceDiscoveryProviderFactory(_loggerFactory.Object, _discoveryClient.Object, _provider);
}
class Fake : IServiceDiscoveryProvider
{
public Task<List<Service>> Get()
{
return null;
}
}
private void ThenTheDelegateIsCalled()
{
_result.GetType().Name.ShouldBe("Fake");
}
private void ThenTheFollowingServicesAreReturned(List<DownstreamHostAndPort> downstreamAddresses)
{
var result = (ConfigurationServiceProvider)_result;