public static void EnsureConfigurations([NotNull] Type applicationType, [NotNull] IVostokHostingEnvironmentBuilder builder)
{
void SetupSource(IConfigurationProvider provider, IConfigurationSource source, string[] scope, Type type)
{
if (scope.Any())
{
source = source.ScopeTo(scope);
}
provider.SetupSourceFor(source, type);
}
builder.SetupConfiguration(
b => b.CustomizeConfigurationContext(
context =>
{
foreach (var requirement in RequirementDetector.GetRequiredConfigurations(applicationType))
{
SetupSource(context.ConfigurationProvider, context.ConfigurationSource, requirement.Scope, requirement.Type);
}
foreach (var requirement in RequirementDetector.GetRequiredSecretConfigurations(applicationType))
{
SetupSource(context.SecretConfigurationProvider, context.SecretConfigurationSource, requirement.Scope, requirement.Type);
}
}));
}
public void Should_support_composite_applications()
{
var application = new MultiApplication();
RequirementDetector.RequiresPort(application).Should().BeTrue();
RequirementDetector.GetRequiredConfigurations(application)
.Should()
.ContainSingle()
.Which.Type.Should()
.Be(typeof(string));
var extensions = RequirementDetector.GetRequiredHostExtensions(application).ToArray();
extensions.Should().HaveCount(4);
extensions[0].Type.Should().Be(typeof(IGenericInterface <string>));
extensions[1].Type.Should().Be(typeof(IGenericInterface <string>));
extensions[2].Type.Should().Be(typeof(Guid));
extensions[3].Type.Should().Be(typeof(int));
}
public static void AddVostokEnvironment(this IServiceCollection services, IVostokHostingEnvironment environment, IVostokApplication application)
{
services
.AddSingleton(environment)
.AddSingleton(environment.ApplicationIdentity)
.AddSingleton(environment.ApplicationLimits)
.AddTransient(_ => environment.ApplicationReplicationInfo)
.AddSingleton(environment.Metrics)
.AddSingleton(environment.Log)
.AddSingleton(environment.Tracer)
.AddSingleton(environment.HerculesSink)
.AddSingleton(environment.ConfigurationSource)
.AddSingleton(environment.ConfigurationProvider)
.AddSingleton(environment.ClusterConfigClient)
.AddSingleton(environment.ServiceBeacon)
.AddSingleton(environment.ServiceLocator)
.AddSingleton(environment.ContextGlobals)
.AddSingleton(environment.ContextProperties)
.AddSingleton(environment.ContextConfiguration)
.AddSingleton(environment.Datacenters)
.AddSingleton(environment.HostExtensions);
foreach (var(type, obj) in environment.HostExtensions.GetAll())
{
services.AddSingleton(type, obj);
}
if (environment.HostExtensions.TryGet <IVostokApplicationDiagnostics>(out var diagnostics))
{
services
.AddSingleton(diagnostics.Info)
.AddSingleton(diagnostics.HealthTracker);
}
AddSettingsProviders(services, RequirementDetector.GetRequiredConfigurations(application).Select(r => r.Type), environment.ConfigurationProvider);
AddSettingsProviders(services, RequirementDetector.GetRequiredSecretConfigurations(application).Select(r => r.Type), environment.SecretConfigurationProvider);
services.AddScoped(_ => FlowingContext.Globals.Get <IRequestInfo>());
}