/// <summary>
/// Create a new <see cref="Startup"/>.
/// </summary>
/// <param name="configuration">
/// The application configuration.
/// </param>
public Startup(IConfiguration configuration)
{
if (configuration == null)
{
throw new ArgumentNullException(nameof(configuration));
}
Configuration = configuration;
DatabaseOptions = DatabaseOptions.From(Configuration);
KubernetesOptions = KubernetesOptions.From(Configuration);
}
/// <summary>
/// Add a <see cref="KubeApiClient"/> to the service collection.
/// </summary>
/// <param name="services">
/// The service collection.
/// </param>
public static void AddKubeClient(this IServiceCollection services)
{
if (services == null)
{
throw new ArgumentNullException(nameof(services));
}
if (IsKubernetes)
{
// When running inside Kubernetes, use pod-level service account (e.g. access token from mounted Secret).
services.AddScoped <KubeClient.KubeApiClient>(
serviceProvider => KubeClient.KubeApiClient.CreateFromPodServiceAccount()
);
}
else
{
// For debugging purposes only.
services.AddScoped <KubeClient.KubeApiClient>(serviceProvider =>
{
KubernetesOptions kubeOptions = serviceProvider.GetRequiredService <IOptions <KubernetesOptions> >().Value;
if (String.IsNullOrWhiteSpace(kubeOptions.ApiEndPoint))
{
throw new InvalidOperationException("Application configuration is missing Kubernetes API end-point.");
}
if (String.IsNullOrWhiteSpace(kubeOptions.Token))
{
throw new InvalidOperationException("Application configuration is missing Kubernetes API token.");
}
return(KubeClient.KubeApiClient.Create(
endPointUri: new Uri(kubeOptions.ApiEndPoint),
accessToken: kubeOptions.Token
));
});
}
}
