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Dyn updater configuration11/9/2022
Run the following command to build the console app: dotnet buildĪfter the build successfully completes, run the following command to run the app locally: dotnet run If you use macOS or Linux, run the following command: export ConnectionString='connection-string-of-your-app-configuration-store' #Dyn updater configuration windowsIf you use Windows PowerShell, run the following command: $Env:ConnectionString = "connection-string-of-your-app-configuration-store" If you use the Windows command prompt, run the following command and restart the command prompt to allow the change to take effect: setx ConnectionString "connection-string-of-your-app-configuration-store" Set an environment variable named ConnectionString, and set it to the access key to your App Configuration store. Calling TryRefreshAsync is a no-op before the configured cache expiration time elapses, so its performance impact is minimal, even if it's called frequently. Another attempt will be made when the configured cache expiration time has passed and the TryRefreshAsync call is triggered by your application activity again. Note that, even if the call TryRefreshAsync fails for any reason, your application will continue to use the cached configuration. In this example, you call TryRefreshAsync every time you press the Enter key. It can also be in a timer if your application is active all the time. For example, it can be when you process an incoming message, an order, or an iteration of a complex task. You will want to include the TryRefreshAsync call where you consider your application active. This design is to avoid phantom requests sent to App Configuration even when your application is idle. You call the TryRefreshAsync method from the interface IConfigurationRefresher to trigger a refresh. In this example, you override the default expiration time of 30 seconds, specifying a time of 10 seconds instead for demonstration purposes.Ĭalling the ConfigureRefresh method alone won't cause the configuration to refresh automatically. The SetCacheExpiration method specifies the minimum time that must elapse before a new request is made to App Configuration to check for any configuration changes. In this example, only the key TestApp:Settings:Message will be refreshed. The Register method has an optional boolean parameter refreshAll that can be used to indicate whether all configuration values should be refreshed if the registered key changes. In the ConfigureRefresh method, a key within your App Configuration store is registered for change monitoring. SetCacheExpiration(TimeSpan.FromSeconds(10)) Ĭonsole.WriteLine(_configuration ? "Hello world!") Refresh.Register("TestApp:Settings:Message") Options.Connect(Environment.GetEnvironmentVariable("ConnectionString")) Var builder = new ConfigurationBuilder() īuilder.AddAzureAppConfiguration(options => Private static IConfigurationRefresher _refresher = null Private static IConfiguration _configuration = null #Dyn updater configuration updateOpen Program.cs and update the code as following. #Dyn updater configuration freeIf you don't have an Azure subscription, create an Azure free account before you begin.įinish the quickstart Create a. Consume the latest configuration in your application.NET Core app to update its configuration in response to changes in an App Configuration store.
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