public static IHostBuilder CreateHostBuilder(string[] args) =>
Host.CreateDefaultBuilder(args)
.ConfigureAppConfiguration((hostContext, cb) =>
{
cb.AddJsonFile("appsettings.json", false, false)
.AddJsonFile(
$"appsettings.{hostContext.HostingEnvironment.EnvironmentName}.json",
true, false);
if (hostContext.HostingEnvironment.IsDevelopment())
{
cb.AddUserSecrets <Program>();
}
else
{
var config = cb.Build();
if (!hostContext.HostingEnvironment.IsDevelopment())
{
cb /*.AddKubeConfigMap(KubeClientOptions.FromPodServiceAccount(),
* config[DataFabricSplitterConfig.KubeConfigMapName],
* config[DataFabricSplitterConfig.KubeNamespace],
* reloadOnChange: false)*/
.AddKubeSecret(
KubeClientOptions.FromPodServiceAccount(),
config[DataFabricSplitterConfig.KubeSecretName],
config[DataFabricSplitterConfig.KubeNamespace],
reloadOnChange: false);
}
}
cb.AddEnvironmentVariables();
if (args != null)
{
cb.AddCommandLine(args);
}
})
.ConfigureServices((hostContext, services) =>
{
services
.AddOptions()
.Configure <DataFabricSplitterConfig>(hostContext.Configuration);
services
.AddTransient <IEventHub>(sp =>
new RabbitMQHub(new ConnectionFactory
{
Endpoint = new AmqpTcpEndpoint(new Uri(hostContext.Configuration[nameof(DataFabricSplitterConfig.EventHubEndpoint)])),
DispatchConsumersAsync = true
}))
.AddHostedService <Worker>();
})
.ConfigureLogging((hostingContext, logging) => {
logging
.AddConfiguration(hostingContext.Configuration.GetSection("Logging"))
.AddConsole()
.AddDebug();
});
private static KubeClientOptions GetKubeClientOptions()
{
var options = string.IsNullOrWhiteSpace(Environment.GetEnvironmentVariable("KUBERNETES_SERVICE_HOST"))
? K8sConfig.Load().ToKubeClientOptions()
: KubeClientOptions.FromPodServiceAccount();
options.KubeNamespace = "default";
return(options);
}
public static IWebHostBuilder CreateWebHostBuilder(string[] args) =>
WebHost.CreateDefaultBuilder(args)
.ConfigureAppConfiguration(
(configuration) => configuration.AddKubeConfigMap(
clientOptions: KubeClientOptions.FromPodServiceAccount(),
configMapName: "demo-config",
kubeNamespace: "default",
reloadOnChange: true
)
)
.UseStartup <Startup>();