I need to setup NLog when Azure Functions instantiates my assembly.
public class Startup : FunctionsStartup {
public Startup()
{
var logger = NLogBuilder.ConfigureNLog("nlog.config").GetCurrentClassLogger();
}
public override void Configure(IFunctionsHostBuilder builder) {
... other setup code
builder.Services.AddLogging((loggingBuilder) =>
{
loggingBuilder.AddNLog();
});
}
}
NLog folks recommend manually shutting down the logger via NLog.LogManager.Shutdown()
. The problem is that I am not sure how to catch the instance of Azure shutting my assembly down.
Does Azure expose a Dispose event of some sort that I am not seeing?
Looks like you are depending on Microsoft Extension Logging, so I would probably hook into its lifetime-logic (Disable AutoShutdown
and enable ShutdownOnDispose
)
public class Startup : FunctionsStartup {
public Startup()
{
var logger = LogManager.Setup()
.SetupExtensions(e => e.AutoLoadAssemblies(false))
.LoadConfigurationFromFile("nlog.config", optional: false)
.LoadConfiguration(builder => builder.LogFactory.AutoShutdown = false)
.GetCurrentClassLogger();
}
public override void Configure(IFunctionsHostBuilder builder) {
... other setup code
builder.Services.AddLogging((loggingBuilder) =>
{
loggingBuilder.AddNLog(new NLogProviderOptions() { ShutdownOnDispose = true });
});
}
}
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