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Feature/more dynamic routes (#508)

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* Made the file config poller use IHostedService, bit more generic, not just need to provide the correct implementations of the repo services and it will poll anything..this means we can open up redis for #458

* removed comments

* #458 allow users to set rate limits per service for dynamic re routes

* #458 added docs for rate limting on dynamic reroutes
This commit is contained in:
Tom Pallister
2018-07-29 20:32:45 +01:00
committed by GitHub
parent 0f2cf2d188
commit b0a20d13b9
19 changed files with 652 additions and 350 deletions
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110
test/Ocelot.AcceptanceTests/ConfigurationInConsulTests.cs
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@ -1,9 +1,10 @@
using System;
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;
@ -22,9 +23,11 @@ namespace Ocelot.AcceptanceTests
private readonly Steps _steps;
private IWebHost _fakeConsulBuilder;
private FileConfiguration _config;
private List<ServiceEntry> _consulServices;
public ConfigurationInConsulTests()
{
_consulServices = new List<ServiceEntry>();
_steps = new Steps();
}
@ -63,7 +66,7 @@ namespace Ocelot.AcceptanceTests
var fakeConsulServiceDiscoveryUrl = "http://localhost:9500";
this.Given(x => GivenThereIsAFakeConsulServiceDiscoveryProvider(fakeConsulServiceDiscoveryUrl))
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())
@ -108,7 +111,7 @@ namespace Ocelot.AcceptanceTests
var fakeConsulServiceDiscoveryUrl = "http://localhost:9502";
this.Given(x => GivenThereIsAFakeConsulServiceDiscoveryProvider(fakeConsulServiceDiscoveryUrl))
this.Given(x => GivenThereIsAFakeConsulServiceDiscoveryProvider(fakeConsulServiceDiscoveryUrl, ""))
.And(x => x.GivenThereIsAServiceRunningOn("http://localhost:51779", "", 200, "Hello from Laura"))
.And(x => _steps.GivenThereIsAConfiguration(configuration))
.And(x => _steps.GivenOcelotIsRunningUsingConsulToStoreConfigAndJsonSerializedCache())
@ -168,7 +171,7 @@ namespace Ocelot.AcceptanceTests
};
this.Given(x => GivenTheConsulConfigurationIs(consulConfig))
.And(x => GivenThereIsAFakeConsulServiceDiscoveryProvider(fakeConsulServiceDiscoveryUrl))
.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())
@ -257,7 +260,7 @@ namespace Ocelot.AcceptanceTests
};
this.Given(x => GivenTheConsulConfigurationIs(consulConfig))
.And(x => GivenThereIsAFakeConsulServiceDiscoveryProvider(fakeConsulServiceDiscoveryUrl))
.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())
@ -269,6 +272,89 @@ namespace Ocelot.AcceptanceTests
.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(() => {
@ -292,7 +378,15 @@ namespace Ocelot.AcceptanceTests
_config = config;
}
private void GivenThereIsAFakeConsulServiceDiscoveryProvider(string url)
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)
@ -336,6 +430,10 @@ namespace Ocelot.AcceptanceTests
throw;
}
}
else if (context.Request.Path.Value == $"/v1/health/service/{serviceName}")
{
await context.Response.WriteJsonAsync(_consulServices);
}
});
})
.Build();