hacked together load balancing reroutes in fileconfig (#211)

* hacked together load balancing reroutes in fileconfig

* some renaming and refactoring

* more renames

* hacked away the old config json

* test for issue 213

* renamed key

* dont share ports

* oops

* updated docs

* mvoed docs around

* port being used
This commit is contained in:
Tom Pallister
2018-01-31 20:34:55 +00:00
committed by GitHub
parent f572d1b0ca
commit 3ac9b3bd87
440 changed files with 29740 additions and 28464 deletions

View File

@ -23,6 +23,8 @@ namespace Ocelot.AcceptanceTests
private int _counterOne;
private int _counterTwo;
private static readonly object _syncLock = new object();
private IWebHost _builder;
private string _downstreamPath;
public ServiceDiscoveryTests()
{
@ -88,7 +90,7 @@ namespace Ocelot.AcceptanceTests
this.Given(x => x.GivenProductServiceOneIsRunning(downstreamServiceOneUrl, 200))
.And(x => x.GivenProductServiceTwoIsRunning(downstreamServiceTwoUrl, 200))
.And(x => x.GivenThereIsAFakeConsulServiceDiscoveryProvider(fakeConsulServiceDiscoveryUrl))
.And(x => x.GivenThereIsAFakeConsulServiceDiscoveryProvider(fakeConsulServiceDiscoveryUrl, serviceName))
.And(x => x.GivenTheServicesAreRegisteredWithConsul(serviceEntryOne, serviceEntryTwo))
.And(x => _steps.GivenThereIsAConfiguration(configuration))
.And(x => _steps.GivenOcelotIsRunning())
@ -98,6 +100,62 @@ namespace Ocelot.AcceptanceTests
.BDDfy();
}
//test from issue 213
[Fact]
public void should_handle_request_to_consul_for_downstream_service_and_make_request()
{
var consulPort = 8505;
var serviceName = "web";
var 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 string[1]{"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,
LoadBalancer = "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_send_request_to_service_after_it_becomes_available()
{
@ -156,7 +214,7 @@ namespace Ocelot.AcceptanceTests
this.Given(x => x.GivenProductServiceOneIsRunning(downstreamServiceOneUrl, 200))
.And(x => x.GivenProductServiceTwoIsRunning(downstreamServiceTwoUrl, 200))
.And(x => x.GivenThereIsAFakeConsulServiceDiscoveryProvider(fakeConsulServiceDiscoveryUrl))
.And(x => x.GivenThereIsAFakeConsulServiceDiscoveryProvider(fakeConsulServiceDiscoveryUrl, serviceName))
.And(x => x.GivenTheServicesAreRegisteredWithConsul(serviceEntryOne, serviceEntryTwo))
.And(x => _steps.GivenThereIsAConfiguration(configuration))
.And(x => _steps.GivenOcelotIsRunning())
@ -217,7 +275,7 @@ namespace Ocelot.AcceptanceTests
}
}
private void GivenThereIsAFakeConsulServiceDiscoveryProvider(string url)
private void GivenThereIsAFakeConsulServiceDiscoveryProvider(string url, string serviceName)
{
_fakeConsulBuilder = new WebHostBuilder()
.UseUrls(url)
@ -229,7 +287,7 @@ namespace Ocelot.AcceptanceTests
{
app.Run(async context =>
{
if(context.Request.Path.Value == "/v1/health/service/product")
if(context.Request.Path.Value == $"/v1/health/service/{serviceName}")
{
await context.Response.WriteJsonAsync(_serviceEntries);
}
@ -310,6 +368,37 @@ namespace Ocelot.AcceptanceTests
_builderTwo.Start();
}
private void GivenThereIsAServiceRunningOn(string baseUrl, string basePath, int statusCode, string responseBody)
{
_builder = new WebHostBuilder()
.UseUrls(baseUrl)
.UseKestrel()
.UseContentRoot(Directory.GetCurrentDirectory())
.UseIISIntegration()
.Configure(app =>
{
app.UsePathBase(basePath);
app.Run(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);
}
});
})
.Build();
_builder.Start();
}
public void Dispose()
{
_builderOne?.Dispose();
@ -317,4 +406,4 @@ namespace Ocelot.AcceptanceTests
_steps.Dispose();
}
}
}
}