playing around with lb factory

This commit is contained in:
Tom Gardham-Pallister
2017-02-01 06:40:29 +00:00
parent 4a43accc46
commit 0e92976df8
7 changed files with 125 additions and 9 deletions

View File

@ -32,12 +32,19 @@ namespace Ocelot.Configuration.Builder
private string _downstreamScheme;
private string _downstreamHost;
private int _dsPort;
private string _loadBalancer;
public ReRouteBuilder()
{
_additionalScopes = new List<string>();
}
public ReRouteBuilder WithLoadBalancer(string loadBalancer)
{
_loadBalancer = loadBalancer;
return this;
}
public ReRouteBuilder WithDownstreamScheme(string downstreamScheme)
{
_downstreamScheme = downstreamScheme;
@ -200,7 +207,7 @@ namespace Ocelot.Configuration.Builder
_isAuthenticated, new AuthenticationOptions(_authenticationProvider, _authenticationProviderUrl, _scopeName,
_requireHttps, _additionalScopes, _scopeSecret), _configHeaderExtractorProperties, _claimToClaims, _routeClaimRequirement,
_isAuthorised, _claimToQueries, _requestIdHeaderKey, _isCached, _fileCacheOptions, _serviceName,
_useServiceDiscovery, _serviceDiscoveryAddress, _serviceDiscoveryProvider, downstreamHostFunc, _downstreamScheme);
_useServiceDiscovery, _serviceDiscoveryAddress, _serviceDiscoveryProvider, downstreamHostFunc, _downstreamScheme, _loadBalancer);
}
}
}

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@ -97,6 +97,13 @@ namespace Ocelot.Configuration.Creator
&& !string.IsNullOrEmpty(globalConfiguration?.ServiceDiscoveryProvider?.Provider);
//can we do the logic in this func to get the host and port from the load balancer?
//lBfactory.GetLbForThisDownstreamTemplate
//use it in the func to get the next host and port?
//how do we release it? cant callback, could access the lb and release later?
//ideal world we would get the host and port, then make the request using it, then release the connection to the lb
Func<HostAndPort> downstreamHostAndPortFunc = () => new HostAndPort(reRoute.DownstreamHost.Trim('/'), reRoute.DownstreamPort);
if (isAuthenticated)
@ -116,7 +123,8 @@ namespace Ocelot.Configuration.Creator
reRoute.RouteClaimsRequirement, isAuthorised, claimsToQueries,
requestIdKey, isCached, new CacheOptions(reRoute.FileCacheOptions.TtlSeconds),
reRoute.ServiceName, useServiceDiscovery, globalConfiguration?.ServiceDiscoveryProvider?.Provider,
globalConfiguration?.ServiceDiscoveryProvider?.Address, downstreamHostAndPortFunc, reRoute.DownstreamScheme);
globalConfiguration?.ServiceDiscoveryProvider?.Address, downstreamHostAndPortFunc, reRoute.DownstreamScheme,
reRoute.LoadBalancer);
}
return new ReRoute(new DownstreamPathTemplate(reRoute.DownstreamPathTemplate), reRoute.UpstreamTemplate,
@ -125,7 +133,8 @@ namespace Ocelot.Configuration.Creator
reRoute.RouteClaimsRequirement, isAuthorised, new List<ClaimToThing>(),
requestIdKey, isCached, new CacheOptions(reRoute.FileCacheOptions.TtlSeconds),
reRoute.ServiceName, useServiceDiscovery, globalConfiguration?.ServiceDiscoveryProvider?.Provider,
globalConfiguration?.ServiceDiscoveryProvider?.Address, downstreamHostAndPortFunc, reRoute.DownstreamScheme);
globalConfiguration?.ServiceDiscoveryProvider?.Address, downstreamHostAndPortFunc, reRoute.DownstreamScheme,
reRoute.LoadBalancer);
}
private string BuildUpstreamTemplate(FileReRoute reRoute)

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@ -29,5 +29,6 @@ namespace Ocelot.Configuration.File
public string DownstreamScheme {get;set;}
public string DownstreamHost {get;set;}
public int DownstreamPort { get; set; }
public string LoadBalancer {get;set;}
}
}

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@ -10,8 +10,10 @@ namespace Ocelot.Configuration
bool isAuthenticated, AuthenticationOptions authenticationOptions, List<ClaimToThing> configurationHeaderExtractorProperties,
List<ClaimToThing> claimsToClaims, Dictionary<string, string> routeClaimsRequirement, bool isAuthorised, List<ClaimToThing> claimsToQueries,
string requestIdKey, bool isCached, CacheOptions fileCacheOptions, string serviceName, bool useServiceDiscovery,
string serviceDiscoveryProvider, string serviceDiscoveryAddress, Func<HostAndPort> downstreamHostAndPort, string downstreamScheme)
string serviceDiscoveryProvider, string serviceDiscoveryAddress, Func<HostAndPort> downstreamHostAndPort,
string downstreamScheme, string loadBalancer)
{
LoadBalancer = loadBalancer;
DownstreamPathTemplate = downstreamPathTemplate;
UpstreamTemplate = upstreamTemplate;
UpstreamHttpMethod = upstreamHttpMethod;
@ -36,7 +38,6 @@ namespace Ocelot.Configuration
DownstreamHostAndPort = downstreamHostAndPort;
DownstreamScheme = downstreamScheme;
}
public DownstreamPathTemplate DownstreamPathTemplate { get; private set; }
public string UpstreamTemplate { get; private set; }
public string UpstreamTemplatePattern { get; private set; }
@ -57,5 +58,6 @@ namespace Ocelot.Configuration
public string ServiceDiscoveryAddress { get; private set;}
public Func<HostAndPort> DownstreamHostAndPort {get;private set;}
public string DownstreamScheme {get;private set;}
public string LoadBalancer {get;private set;}
}
}

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@ -51,6 +51,8 @@ namespace Ocelot.DownstreamUrlCreator.Middleware
//lease the next address from the lb
//this could return the load balancer which you call next on, that gives you the host and port then you can call release in a try catch
//and if the call works?
var dsHostAndPort = DownstreamRoute.ReRoute.DownstreamHostAndPort();
var dsUrl = _urlBuilder.Build(dsPath.Data.Value, dsScheme, dsHostAndPort);