/// <summary>
/// Adds a Functions Framework console logger, either using a "single line per log entry" plain text format or a JSON format,
/// depending on the execution environment.
/// </summary>
/// <param name="builder">The logging builder to add the logger to.</param>
/// <param name="context">The context of the web host builder being configured.</param>
/// <returns>The original builder, for method chaining.</returns>
public static ILoggingBuilder AddFunctionsConsoleLogging(this ILoggingBuilder builder, WebHostBuilderContext context)
{
var options = FunctionsFrameworkOptions.FromConfiguration(context.Configuration);
ILoggerProvider provider = options.JsonLogging
? new FactoryLoggerProvider(category => new JsonConsoleLogger(category))
: new FactoryLoggerProvider(category => new SimpleConsoleLogger(category));
builder.AddProvider(provider);
return(builder);
}
private static FunctionsFrameworkOptions BindOptions(IConfigurationSource source)
{
var configuration = new ConfigurationBuilder().Add(source).Build();
return(FunctionsFrameworkOptions.FromConfiguration(configuration));
}
private static FunctionsFrameworkOptions BindOptions(params string[] args)
{
var configuration = new ConfigurationBuilder().AddFunctionsCommandLine(args).Build();
return(FunctionsFrameworkOptions.FromConfiguration(configuration));
}
/// <summary>
/// Configures Kestrel to listen to the port and address specified in the Functions Framework configuration.
/// </summary>
/// <param name="builder">The web host builder to configure.</param>
/// <returns>The original builder, for method chaining.</returns>
public static IWebHostBuilder ConfigureKestrelForFunctionsFramework(this IWebHostBuilder builder) =>
builder.ConfigureKestrel((context, serverOptions) =>
{
var options = FunctionsFrameworkOptions.FromConfiguration(context.Configuration);
serverOptions.Listen(options.GetIPAddress(), options.Port);
});