public static IReverseProxyBuilder AddInMemoryRepos(this IReverseProxyBuilder builder)
{
builder.Services.TryAddSingleton <IBackendsRepo, InMemoryBackendsRepo>();
builder.Services.TryAddSingleton <IRoutesRepo, InMemoryRoutesRepo>();
return(builder);
}
public static IReverseProxyBuilder LoadFromEFCore(this IReverseProxyBuilder builder)
{
builder.Services.AddSingleton <ICertificateConfigLoader, CertificateConfigLoader>();
builder.Services.AddSingleton <IReverseProxyStore, EFCoreReverseProxyStore>();
builder.LoadFromStore();
return(builder);
}
public static IReverseProxyBuilder AddProxy(this IReverseProxyBuilder builder)
{
builder.Services.AddSingleton <IProxyHttpClientFactoryFactory, ProxyHttpClientFactoryFactory>();
builder.Services.AddSingleton <ILoadBalancer, LoadBalancer>();
builder.Services.AddSingleton <IHttpProxy, HttpProxy>();
return(builder);
}
public static IReverseProxyBuilder AddConfigBuilder(this IReverseProxyBuilder builder)
{
builder.Services.TryAddSingleton <IConfigValidator, ConfigValidator>();
builder.Services.TryAddSingleton <IRuntimeRouteBuilder, RuntimeRouteBuilder>();
builder.Services.TryAddEnumerable(ServiceDescriptor.Singleton <MatcherPolicy, HeaderMatcherPolicy>());
return(builder);
}
public static IReverseProxyBuilder AddTelemetryShims(this IReverseProxyBuilder builder)
{
// NOTE: Consumers of ReverseProxy are expected to replace these with their own classes
builder.Services.TryAddSingleton <IMetricCreator, NullMetricCreator>();
builder.Services.TryAddSingleton <IOperationLogger, TextOperationLogger>();
return(builder);
}
public static IReverseProxyBuilder AddProxy(this IReverseProxyBuilder builder)
{
builder.Services.TryAddSingleton <IProxyHttpClientFactory, ProxyHttpClientFactory>();
builder.Services.AddHttpProxy();
return(builder);
}
/// <summary>
/// Loads routes and endpoints from config.
/// </summary>
public static IReverseProxyBuilder LoadFromConfig(this IReverseProxyBuilder builder, IConfiguration config)
{
builder.Services.Configure <ProxyConfigOptions>(config);
builder.Services.AddHostedService <ProxyConfigLoader>();
return(builder);
}
public static IReverseProxyBuilder AddRuntimeStateManagers(this IReverseProxyBuilder builder)
{
builder.Services.TryAddSingleton <IDestinationManagerFactory, DestinationManagerFactory>();
builder.Services.TryAddSingleton <IClusterManager, ClusterManager>();
builder.Services.TryAddSingleton <IRouteManager, RouteManager>();
return(builder);
}
public static IReverseProxyBuilder AddRuntimeStateManagers(this IReverseProxyBuilder builder)
{
builder.Services.TryAddSingleton <IEndpointManagerFactory, EndpointManagerFactory>();
builder.Services.TryAddSingleton <IBackendManager, BackendManager>();
builder.Services.TryAddSingleton <IRouteManager, RouteManager>();
return(builder);
}
public static IReverseProxyBuilder AddConfigBuilder(this IReverseProxyBuilder builder)
{
builder.Services.TryAddSingleton <IDynamicConfigBuilder, DynamicConfigBuilder>();
builder.Services.TryAddSingleton <IRouteValidator, RouteValidator>();
builder.Services.TryAddSingleton <IRuntimeRouteBuilder, RuntimeRouteBuilder>();
return(builder);
}
public static IReverseProxyBuilder LoadFromStore(this IReverseProxyBuilder builder)
{
builder.Services.AddSingleton <IProxyConfigProvider>(sp =>
{
return(new InStoreConfigProvider(sp.GetService <ILogger <InStoreConfigProvider> >(), sp.GetRequiredService <IReverseProxyStore>()));
});
return(builder);
}
/// <summary>
/// Loads routes and endpoints from config.
/// </summary>
/// <param name="builder"></param>
/// <param name="config"></param>
/// <param name="reloadOnChange"></param>
/// <returns></returns>
public static IReverseProxyBuilder LoadFromConfig(this IReverseProxyBuilder builder, IConfiguration config, bool reloadOnChange = true)
{
builder.Services.Configure <ProxyConfigOptions>(config);
builder.Services.Configure <ProxyConfigOptions>(options => options.ReloadOnChange = reloadOnChange);
builder.Services.AddHostedService <ProxyConfigLoader>();
return(builder);
}
/// <summary>
/// Loads routes and endpoints from config.
/// </summary>
public static IReverseProxyBuilder LoadFromConfig(this IReverseProxyBuilder builder, IConfiguration config)
{
builder.Services.Configure <ConfigurationData>(config);
builder.Services.AddSingleton <ICertificateConfigLoader, CertificateConfigLoader>();
builder.Services.AddSingleton <IProxyConfigProvider, ConfigurationConfigProvider>();
return(builder);
}
public static IReverseProxyBuilder AddHttpSysDelegation(this IReverseProxyBuilder builder)
{
builder.Services.AddSingleton <HttpSysDelegator>();
builder.Services.TryAddSingleton <IHttpSysDelegator>(p => p.GetRequiredService <HttpSysDelegator>());
builder.Services.AddSingleton <IClusterChangeListener>(p => p.GetRequiredService <HttpSysDelegator>());
return(builder);
}
public static IReverseProxyBuilder AddProxy(this IReverseProxyBuilder builder)
{
builder.Services.TryAddSingleton <ITransformBuilder, TransformBuilder>();
builder.Services.TryAddSingleton <IProxyHttpClientFactory, ProxyHttpClientFactory>();
builder.Services.TryAddSingleton <ILoadBalancer, LoadBalancer>();
builder.Services.TryAddSingleton <IRandomFactory, RandomFactory>();
builder.Services.AddHttpProxy();
return(builder);
}
/// <summary>
/// Provides a callback to customize <see cref="SocketsHttpHandler"/> settings used for proxying requests.
/// This will be called each time a cluster is added or changed. Cluster settings are applied to the handler before
/// the callback. Custom data can be provided in the cluster metadata.
/// </summary>
public static IReverseProxyBuilder ConfigureClient(this IReverseProxyBuilder builder, Action <ProxyHttpClientContext, SocketsHttpHandler> configure)
{
builder.Services.AddSingleton <IProxyHttpClientFactory>(services =>
{
var logger = services.GetRequiredService <ILogger <ProxyHttpClientFactory> >();
return(new CallbackProxyHttpClientFactory(logger, configure));
});
return(builder);
}
public static IReverseProxyBuilder LoadFromKubernetes(this IReverseProxyBuilder builder, IConfiguration configuration)
{
_ = configuration ?? throw new ArgumentNullException(nameof(configuration));
AddServices(builder);
builder.Services.Configure <KubernetesDiscoveryOptions>(configuration);
return(builder);
}
/// <summary>
/// Registers a singleton IProxyConfigFilter service. Multiple filters are allowed and they will be run in registration order.
/// </summary>
/// <typeparam name="TService">A class that implements IProxyConfigFilter.</typeparam>
public static IReverseProxyBuilder AddProxyConfigFilter <TService>(this IReverseProxyBuilder builder) where TService : class, IProxyConfigFilter
{
if (builder is null)
{
throw new ArgumentNullException(nameof(builder));
}
builder.Services.AddSingleton <IProxyConfigFilter, TService>();
return(builder);
}
public static IReverseProxyBuilder LoadFromMemory(
this IReverseProxyBuilder builder,
IReadOnlyList <ProxyRoute> routes,
IReadOnlyList <Cluster> clusters)
{
builder.Services.AddSingleton <IProxyConfigProvider>(
new InMemoryConfigProvider(routes, clusters));
return(builder);
}
/// <summary>
/// Provides a callback that will be run for each route to conditionally add transforms.
/// <see cref="AddTransforms(IReverseProxyBuilder, Action{TransformBuilderContext})"/> can be called multiple times to
/// provide multiple callbacks.
/// </summary>
public static IReverseProxyBuilder AddTransforms(this IReverseProxyBuilder builder, Action <TransformBuilderContext> action)
{
if (action is null)
{
throw new ArgumentNullException(nameof(action));
}
builder.Services.AddSingleton <ITransformProvider>(new ActionTransformProvider(action));
return(builder);
}
/// <summary>
/// Uses Service Fabric dynamic service discovery as the configuration source for the Proxy
/// via a specific implementation of <see cref="IProxyConfigProvider" />.
/// </summary>
public static IReverseProxyBuilder LoadFromServiceFabric(this IReverseProxyBuilder builder, Action <ServiceFabricDiscoveryOptions> configureOptions)
{
_ = configureOptions ?? throw new ArgumentNullException(nameof(configureOptions));
AddServices(builder);
builder.Services.Configure(configureOptions);
return(builder);
}
/// <summary>
/// Loads routes and endpoints from config.
/// </summary>
public static IReverseProxyBuilder LoadFromConfig(this IReverseProxyBuilder builder, IConfiguration config)
{
builder.Services.AddSingleton <ICertificateConfigLoader, CertificateConfigLoader>();
builder.Services.AddSingleton <IProxyConfigProvider>(sp =>
{
// This is required because we're capturing the configuration via a closure
return(new ConfigurationConfigProvider(sp.GetService <ILogger <ConfigurationConfigProvider> >(), config, sp.GetService <ICertificateConfigLoader>()));
});
return(builder);
}
private static void AddServices(IReverseProxyBuilder builder)
{
builder.Services.AddSingleton <IFabricClientWrapper, FabricClientWrapper>();
builder.Services.AddSingleton <IQueryClientWrapper, QueryClientWrapper>();
builder.Services.AddSingleton <IPropertyManagementClientWrapper, PropertyManagementClientWrapper>();
builder.Services.AddSingleton <IServiceManagementClientWrapper, ServiceManagementClientWrapper>();
builder.Services.AddSingleton <IHealthClientWrapper, HealthClientWrapper>();
builder.Services.AddSingleton <ICachedServiceFabricCaller, CachedServiceFabricCaller>();
builder.Services.AddSingleton <IServiceExtensionLabelsProvider, ServiceExtensionLabelsProvider>();
builder.Services.AddSingleton <IDiscoverer, Discoverer>();
builder.Services.AddSingleton <IProxyConfigProvider, ServiceFabricConfigProvider>();
}
public static IReverseProxyBuilder AddRuntimeStateManagers(this IReverseProxyBuilder builder)
{
builder.Services.TryAddSingleton <ITimerFactory, TimerFactory>();
builder.Services.TryAddSingleton <IDestinationHealthUpdater, DestinationHealthUpdater>();
builder.Services.TryAddSingleton <IClusterDestinationsUpdater, ClusterDestinationsUpdater>();
builder.Services.TryAddEnumerable(new[] {
ServiceDescriptor.Singleton <IAvailableDestinationsPolicy, HealthyAndUnknownDestinationsPolicy>(),
ServiceDescriptor.Singleton <IAvailableDestinationsPolicy, HealthyOrPanicDestinationsPolicy>()
});
return(builder);
}
public static IReverseProxyBuilder AddSessionAffinityProvider(this IReverseProxyBuilder builder)
{
builder.Services.TryAddEnumerable(new[] {
new ServiceDescriptor(typeof(IAffinityFailurePolicy), typeof(RedistributeAffinityFailurePolicy), ServiceLifetime.Singleton),
new ServiceDescriptor(typeof(IAffinityFailurePolicy), typeof(Return503ErrorAffinityFailurePolicy), ServiceLifetime.Singleton)
});
builder.Services.TryAddEnumerable(new[] {
new ServiceDescriptor(typeof(ISessionAffinityProvider), typeof(CookieSessionAffinityProvider), ServiceLifetime.Singleton),
new ServiceDescriptor(typeof(ISessionAffinityProvider), typeof(CustomHeaderSessionAffinityProvider), ServiceLifetime.Singleton)
});
return(builder);
}
/// <summary>
/// Uses Service Fabric dynamic service discovery as the configuration source for the Proxy
/// via a specific implementation of <see cref="IProxyConfigProvider" />.
/// </summary>
public static IReverseProxyBuilder LoadFromServiceFabric(this IReverseProxyBuilder builder)
{
builder.Services.AddSingleton <IQueryClientWrapper, QueryClientWrapper>();
builder.Services.AddSingleton <IPropertyManagementClientWrapper, PropertyManagementClientWrapper>();
builder.Services.AddSingleton <IServiceManagementClientWrapper, ServiceManagementClientWrapper>();
builder.Services.AddSingleton <IHealthClientWrapper, HealthClientWrapper>();
builder.Services.AddSingleton <IServiceFabricCaller, CachedServiceFabricCaller>();
builder.Services.AddSingleton <IServiceExtensionLabelsProvider, ServiceExtensionLabelsProvider>();
builder.Services.AddSingleton <IDiscoverer, Discoverer>();
builder.Services.AddSingleton <IProxyConfigProvider, ServiceFabricConfigProvider>();
return(builder);
}
public static IReverseProxyBuilder AddConfigBuilder(this IReverseProxyBuilder builder)
{
builder.Services.TryAddSingleton <IConfigValidator, ConfigValidator>();
builder.Services.TryAddSingleton <IRandomFactory, RandomFactory>();
builder.AddTransformFactory <ForwardedTransformFactory>();
builder.AddTransformFactory <HttpMethodTransformFactory>();
builder.AddTransformFactory <PathTransformFactory>();
builder.AddTransformFactory <QueryTransformFactory>();
builder.AddTransformFactory <RequestHeadersTransformFactory>();
builder.AddTransformFactory <ResponseTransformFactory>();
builder.Services.TryAddEnumerable(ServiceDescriptor.Singleton <MatcherPolicy, HeaderMatcherPolicy>());
return(builder);
}
public static IReverseProxyBuilder LoadFromMessages(this IReverseProxyBuilder builder)
{
if (builder is null)
{
throw new ArgumentNullException(nameof(builder));
}
var provider = new KubernetesConfigProvider();
builder.Services.AddSingleton <IProxyConfigProvider>(provider);
builder.Services.AddSingleton <IUpdateConfig>(provider);
return(builder);
}
public static IReverseProxyBuilder AddLoadBalancingPolicies(this IReverseProxyBuilder builder)
{
builder.Services.TryAddSingleton <IRandomFactory, RandomFactory>();
builder.Services.TryAddEnumerable(new[] {
new ServiceDescriptor(typeof(ILoadBalancingPolicy), typeof(FirstLoadBalancingPolicy), ServiceLifetime.Singleton),
new ServiceDescriptor(typeof(ILoadBalancingPolicy), typeof(LeastRequestsLoadBalancingPolicy), ServiceLifetime.Singleton),
new ServiceDescriptor(typeof(ILoadBalancingPolicy), typeof(RandomLoadBalancingPolicy), ServiceLifetime.Singleton),
new ServiceDescriptor(typeof(ILoadBalancingPolicy), typeof(PowerOfTwoChoicesLoadBalancingPolicy), ServiceLifetime.Singleton),
new ServiceDescriptor(typeof(ILoadBalancingPolicy), typeof(RoundRobinLoadBalancingPolicy), ServiceLifetime.Singleton)
});
return(builder);
}
/// <summary>
/// Provides a callback to customize <see cref="SocketsHttpHandler"/> settings used for proxying requests.
/// This will be called each time a cluster is added or changed. Cluster settings are applied to the handler before
/// the callback. Custom data can be provided in the cluster metadata.
/// </summary>
public static IReverseProxyBuilder ConfigureHttpClient(this IReverseProxyBuilder builder, Action <ForwarderHttpClientContext, SocketsHttpHandler> configure)
{
if (configure is null)
{
throw new ArgumentNullException(nameof(configure));
}
builder.Services.AddSingleton <IForwarderHttpClientFactory>(services =>
{
var logger = services.GetRequiredService <ILogger <ForwarderHttpClientFactory> >();
return(new CallbackHttpClientFactory(logger, configure));
});
return(builder);
}
