protected async Task <ILeverConfiguration> FetchConfigurationWithRetriesOnFailAsync(CancellationToken cancellationToken = default)
{
ILeverConfiguration configuration = null;
var maxRetryTimeSecondsString = new ConfigurationManagerAppSettings().GetAppSetting("MaxStartupRetryTimeInSeconds") ?? "100";
var failCount = 0;
var watch = Stopwatch.StartNew();
while (watch.Elapsed < TimeSpan.FromSeconds(double.Parse(maxRetryTimeSecondsString)))
{
try
{
configuration = await FetchConfigurationAsync(cancellationToken);
if (configuration != null)
{
break;
}
}
catch (Exception e)
{
failCount++;
LogHelper.FallbackSafeLog(LogSeverityLevel.Warning,
$"(InstanceId: {Environment.GetEnvironmentVariable("WEBSITE_INSTANCE_ID")}) " +
$"Failed to fetch configuration for service tenant {ServiceTenant}." +
$" This was try number {failCount} after {watch.Elapsed.TotalSeconds} s.", e);
await Task.Delay(TimeSpan.FromSeconds(1), cancellationToken);
}
}
return(configuration);
}
public void ReadNestedSettingFromJsonFile()
{
var getter = new ConfigurationManagerAppSettings().WithLocalSettingsSupport(new FileInfo("Application/appsettings.json"));
UT.Assert.IsNull(getter.GetAppSetting("FruitsAndStars"), "Only stringy values should be supported");
}
public void ReadSimpleSettingsFromJsonFile()
{
var getter = new ConfigurationManagerAppSettings().WithLocalSettingsSupport(new FileInfo("Application/appsettings.json"));
UT.Assert.AreEqual("Bar", getter.GetAppSetting("Foo"));
}
