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Ocelot/test/Ocelot.IntegrationTests/RaftTests.cs

514 lines
20 KiB
C#

namespace Ocelot.IntegrationTests
{
using Administration;
using Configuration.File;
using DependencyInjection;
using Microsoft.AspNetCore.Hosting;
using Microsoft.Data.Sqlite;
using Microsoft.Extensions.Configuration;
using Microsoft.Extensions.DependencyInjection;
using Middleware;
using Newtonsoft.Json;
using Ocelot.Provider.Rafty;
using Rafty.Infrastructure;
using Shouldly;
using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Net.Http;
using System.Net.Http.Headers;
using System.Threading;
using System.Threading.Tasks;
using Xunit;
using Xunit.Abstractions;
using Wait = Rafty.Infrastructure.Wait;
public class RaftTests : IDisposable
{
private readonly List<IWebHost> _builders;
private readonly List<IWebHostBuilder> _webHostBuilders;
private readonly List<Thread> _threads;
private FilePeers _peers;
private HttpClient _httpClient;
private readonly HttpClient _httpClientForAssertions;
private BearerToken _token;
private HttpResponseMessage _response;
private static readonly object _lock = new object();
private ITestOutputHelper _output;
public RaftTests(ITestOutputHelper output)
{
_output = output;
_httpClientForAssertions = new HttpClient();
_webHostBuilders = new List<IWebHostBuilder>();
_builders = new List<IWebHost>();
_threads = new List<Thread>();
}
[Fact(Skip = "Still not stable, more work required in rafty..")]
public async Task should_persist_command_to_five_servers()
{
var peers = new List<FilePeer>
{
new FilePeer {HostAndPort = "http://localhost:5000"},
new FilePeer {HostAndPort = "http://localhost:5001"},
new FilePeer {HostAndPort = "http://localhost:5002"},
new FilePeer {HostAndPort = "http://localhost:5003"},
new FilePeer {HostAndPort = "http://localhost:5004"}
};
var configuration = new FileConfiguration
{
GlobalConfiguration = new FileGlobalConfiguration
{
}
};
var updatedConfiguration = new FileConfiguration
{
GlobalConfiguration = new FileGlobalConfiguration
{
},
ReRoutes = new List<FileReRoute>()
{
new FileReRoute()
{
DownstreamHostAndPorts = new List<FileHostAndPort>
{
new FileHostAndPort
{
Host = "127.0.0.1",
Port = 80,
}
},
DownstreamScheme = "http",
DownstreamPathTemplate = "/geoffrey",
UpstreamHttpMethod = new List<string> { "get" },
UpstreamPathTemplate = "/"
},
new FileReRoute()
{
DownstreamHostAndPorts = new List<FileHostAndPort>
{
new FileHostAndPort
{
Host = "123.123.123",
Port = 443,
}
},
DownstreamScheme = "https",
DownstreamPathTemplate = "/blooper/{productId}",
UpstreamHttpMethod = new List<string> { "post" },
UpstreamPathTemplate = "/test"
}
}
};
var command = new UpdateFileConfiguration(updatedConfiguration);
GivenThePeersAre(peers);
GivenThereIsAConfiguration(configuration);
GivenFiveServersAreRunning();
await GivenIHaveAnOcelotToken("/administration");
await WhenISendACommandIntoTheCluster(command);
Thread.Sleep(5000);
await ThenTheCommandIsReplicatedToAllStateMachines(command);
}
[Fact(Skip = "Still not stable, more work required in rafty..")]
public async Task should_persist_command_to_five_servers_when_using_administration_api()
{
var peers = new List<FilePeer>
{
new FilePeer {HostAndPort = "http://localhost:5005"},
new FilePeer {HostAndPort = "http://localhost:5006"},
new FilePeer {HostAndPort = "http://localhost:5007"},
new FilePeer {HostAndPort = "http://localhost:5008"},
new FilePeer {HostAndPort = "http://localhost:5009"}
};
var configuration = new FileConfiguration
{
};
var updatedConfiguration = new FileConfiguration
{
ReRoutes = new List<FileReRoute>()
{
new FileReRoute()
{
DownstreamHostAndPorts = new List<FileHostAndPort>
{
new FileHostAndPort
{
Host = "127.0.0.1",
Port = 80,
}
},
DownstreamScheme = "http",
DownstreamPathTemplate = "/geoffrey",
UpstreamHttpMethod = new List<string> { "get" },
UpstreamPathTemplate = "/"
},
new FileReRoute()
{
DownstreamHostAndPorts = new List<FileHostAndPort>
{
new FileHostAndPort
{
Host = "123.123.123",
Port = 443,
}
},
DownstreamScheme = "https",
DownstreamPathTemplate = "/blooper/{productId}",
UpstreamHttpMethod = new List<string> { "post" },
UpstreamPathTemplate = "/test"
}
}
};
var command = new UpdateFileConfiguration(updatedConfiguration);
GivenThePeersAre(peers);
GivenThereIsAConfiguration(configuration);
GivenFiveServersAreRunning();
await GivenIHaveAnOcelotToken("/administration");
GivenIHaveAddedATokenToMyRequest();
await WhenIPostOnTheApiGateway("/administration/configuration", updatedConfiguration);
await ThenTheCommandIsReplicatedToAllStateMachines(command);
}
private void GivenThePeersAre(List<FilePeer> peers)
{
FilePeers filePeers = new FilePeers();
filePeers.Peers.AddRange(peers);
var json = JsonConvert.SerializeObject(filePeers);
File.WriteAllText("peers.json", json);
_httpClient = new HttpClient();
var ocelotBaseUrl = peers[0].HostAndPort;
_httpClient.BaseAddress = new Uri(ocelotBaseUrl);
}
private async Task WhenISendACommandIntoTheCluster(UpdateFileConfiguration command)
{
async Task<bool> SendCommand()
{
try
{
var p = _peers.Peers.First();
var json = JsonConvert.SerializeObject(command, new JsonSerializerSettings()
{
TypeNameHandling = TypeNameHandling.All
});
var httpContent = new StringContent(json);
httpContent.Headers.ContentType = new MediaTypeHeaderValue("application/json");
using (var httpClient = new HttpClient())
{
httpClient.DefaultRequestHeaders.Authorization = new AuthenticationHeaderValue("Bearer", _token.AccessToken);
var response = await httpClient.PostAsync($"{p.HostAndPort}/administration/raft/command", httpContent);
response.EnsureSuccessStatusCode();
var content = await response.Content.ReadAsStringAsync();
var errorResult = JsonConvert.DeserializeObject<ErrorResponse<UpdateFileConfiguration>>(content);
if (!string.IsNullOrEmpty(errorResult.Error))
{
return false;
}
var okResult = JsonConvert.DeserializeObject<OkResponse<UpdateFileConfiguration>>(content);
if (okResult.Command.Configuration.ReRoutes.Count == 2)
{
return true;
}
}
return false;
}
catch (Exception e)
{
Console.WriteLine(e);
return false;
}
}
var commandSent = await Wait.WaitFor(40000).Until(async () =>
{
var result = await SendCommand();
Thread.Sleep(1000);
return result;
});
commandSent.ShouldBeTrue();
}
private async Task ThenTheCommandIsReplicatedToAllStateMachines(UpdateFileConfiguration expecteds)
{
async Task<bool> CommandCalledOnAllStateMachines()
{
try
{
var passed = 0;
foreach (var peer in _peers.Peers)
{
var path = $"{peer.HostAndPort.Replace("/", "").Replace(":", "")}.db";
using (var connection = new SqliteConnection($"Data Source={path};"))
{
connection.Open();
var sql = @"select count(id) from logs";
using (var command = new SqliteCommand(sql, connection))
{
var index = Convert.ToInt32(command.ExecuteScalar());
index.ShouldBe(1);
}
}
_httpClientForAssertions.DefaultRequestHeaders.Authorization = new AuthenticationHeaderValue("Bearer", _token.AccessToken);
var result = await _httpClientForAssertions.GetAsync($"{peer.HostAndPort}/administration/configuration");
var json = await result.Content.ReadAsStringAsync();
var response = JsonConvert.DeserializeObject<FileConfiguration>(json, new JsonSerializerSettings { TypeNameHandling = TypeNameHandling.All });
response.GlobalConfiguration.RequestIdKey.ShouldBe(expecteds.Configuration.GlobalConfiguration.RequestIdKey);
response.GlobalConfiguration.ServiceDiscoveryProvider.Host.ShouldBe(expecteds.Configuration.GlobalConfiguration.ServiceDiscoveryProvider.Host);
response.GlobalConfiguration.ServiceDiscoveryProvider.Port.ShouldBe(expecteds.Configuration.GlobalConfiguration.ServiceDiscoveryProvider.Port);
for (var i = 0; i < response.ReRoutes.Count; i++)
{
for (var j = 0; j < response.ReRoutes[i].DownstreamHostAndPorts.Count; j++)
{
var res = response.ReRoutes[i].DownstreamHostAndPorts[j];
var expected = expecteds.Configuration.ReRoutes[i].DownstreamHostAndPorts[j];
res.Host.ShouldBe(expected.Host);
res.Port.ShouldBe(expected.Port);
}
response.ReRoutes[i].DownstreamPathTemplate.ShouldBe(expecteds.Configuration.ReRoutes[i].DownstreamPathTemplate);
response.ReRoutes[i].DownstreamScheme.ShouldBe(expecteds.Configuration.ReRoutes[i].DownstreamScheme);
response.ReRoutes[i].UpstreamPathTemplate.ShouldBe(expecteds.Configuration.ReRoutes[i].UpstreamPathTemplate);
response.ReRoutes[i].UpstreamHttpMethod.ShouldBe(expecteds.Configuration.ReRoutes[i].UpstreamHttpMethod);
}
passed++;
}
return passed == 5;
}
catch (Exception e)
{
//_output.WriteLine($"{e.Message}, {e.StackTrace}");
Console.WriteLine(e);
return false;
}
}
var commandOnAllStateMachines = await Wait.WaitFor(40000).Until(async () =>
{
var result = await CommandCalledOnAllStateMachines();
Thread.Sleep(1000);
return result;
});
commandOnAllStateMachines.ShouldBeTrue();
}
private async Task WhenIPostOnTheApiGateway(string url, FileConfiguration updatedConfiguration)
{
async Task<bool> SendCommand()
{
var json = JsonConvert.SerializeObject(updatedConfiguration);
var content = new StringContent(json);
content.Headers.ContentType = new MediaTypeHeaderValue("application/json");
_response = await _httpClient.PostAsync(url, content);
var responseContent = await _response.Content.ReadAsStringAsync();
if (responseContent == "There was a problem. This error message sucks raise an issue in GitHub.")
{
return false;
}
if (string.IsNullOrEmpty(responseContent))
{
return false;
}
return _response.IsSuccessStatusCode;
}
var commandSent = await Wait.WaitFor(40000).Until(async () =>
{
var result = await SendCommand();
Thread.Sleep(1000);
return result;
});
commandSent.ShouldBeTrue();
}
private void GivenIHaveAddedATokenToMyRequest()
{
_httpClient.DefaultRequestHeaders.Authorization = new AuthenticationHeaderValue("Bearer", _token.AccessToken);
}
private async Task GivenIHaveAnOcelotToken(string adminPath)
{
async Task<bool> AddToken()
{
try
{
var tokenUrl = $"{adminPath}/connect/token";
var formData = new List<KeyValuePair<string, string>>
{
new KeyValuePair<string, string>("client_id", "admin"),
new KeyValuePair<string, string>("client_secret", "secret"),
new KeyValuePair<string, string>("scope", "admin"),
new KeyValuePair<string, string>("grant_type", "client_credentials")
};
var content = new FormUrlEncodedContent(formData);
var response = await _httpClient.PostAsync(tokenUrl, content);
var responseContent = await response.Content.ReadAsStringAsync();
if (!response.IsSuccessStatusCode)
{
return false;
}
_token = JsonConvert.DeserializeObject<BearerToken>(responseContent);
var configPath = $"{adminPath}/.well-known/openid-configuration";
response = await _httpClient.GetAsync(configPath);
return response.IsSuccessStatusCode;
}
catch (Exception)
{
return false;
}
}
var addToken = await Wait.WaitFor(40000).Until(async () =>
{
var result = await AddToken();
Thread.Sleep(1000);
return result;
});
addToken.ShouldBeTrue();
}
private void GivenThereIsAConfiguration(FileConfiguration fileConfiguration)
{
var configurationPath = $"{Directory.GetCurrentDirectory()}/ocelot.json";
var jsonConfiguration = JsonConvert.SerializeObject(fileConfiguration);
if (File.Exists(configurationPath))
{
File.Delete(configurationPath);
}
File.WriteAllText(configurationPath, jsonConfiguration);
var text = File.ReadAllText(configurationPath);
configurationPath = $"{AppContext.BaseDirectory}/ocelot.json";
if (File.Exists(configurationPath))
{
File.Delete(configurationPath);
}
File.WriteAllText(configurationPath, jsonConfiguration);
text = File.ReadAllText(configurationPath);
}
private void GivenAServerIsRunning(string url)
{
lock (_lock)
{
IWebHostBuilder webHostBuilder = new WebHostBuilder();
webHostBuilder.UseUrls(url)
.UseKestrel()
.UseContentRoot(Directory.GetCurrentDirectory())
.ConfigureAppConfiguration((hostingContext, config) =>
{
config.SetBasePath(hostingContext.HostingEnvironment.ContentRootPath);
var env = hostingContext.HostingEnvironment;
config.AddJsonFile("appsettings.json", optional: true, reloadOnChange: false)
.AddJsonFile($"appsettings.{env.EnvironmentName}.json", optional: true, reloadOnChange: false);
config.AddJsonFile("ocelot.json", false, false);
config.AddJsonFile("peers.json", optional: true, reloadOnChange: false);
#pragma warning disable CS0618
config.AddOcelotBaseUrl(url);
#pragma warning restore CS0618
config.AddEnvironmentVariables();
})
.ConfigureServices(x =>
{
x.AddSingleton(new NodeId(url));
x
.AddOcelot()
.AddAdministration("/administration", "secret")
.AddRafty();
})
.Configure(app =>
{
app.UseOcelot().Wait();
});
var builder = webHostBuilder.Build();
builder.Start();
_webHostBuilders.Add(webHostBuilder);
_builders.Add(builder);
}
}
private void GivenFiveServersAreRunning()
{
var bytes = File.ReadAllText("peers.json");
_peers = JsonConvert.DeserializeObject<FilePeers>(bytes);
foreach (var peer in _peers.Peers)
{
File.Delete(peer.HostAndPort.Replace("/", "").Replace(":", ""));
File.Delete($"{peer.HostAndPort.Replace("/", "").Replace(":", "")}.db");
var thread = new Thread(() => GivenAServerIsRunning(peer.HostAndPort));
thread.Start();
_threads.Add(thread);
}
}
public void Dispose()
{
foreach (var builder in _builders)
{
builder?.Dispose();
}
foreach (var peer in _peers.Peers)
{
try
{
File.Delete(peer.HostAndPort.Replace("/", "").Replace(":", ""));
File.Delete($"{peer.HostAndPort.Replace("/", "").Replace(":", "")}.db");
}
catch (Exception e)
{
Console.WriteLine(e);
}
}
}
}
}