private static async Task CleanupKeyVault()
{
// Get the reference date for removal of keys (expired at least 2 hours ago)
var referenceDateTime = DateTime.Now.AddHours(-2);
// This job cleans up the expired keys from the Azure Key Vault
var vault = new KeyVaultService();
// Get all the keys stored in Key Vault
var allKeys = await vault.ListKeysAsync();
// Check for expired keys
foreach (var key in allKeys)
{
var currentKey = await vault.GetFullKeyAsync(key);
if (currentKey.Attributes.Expires <= referenceDateTime)
{
// The key is expired, let's remove it
await vault.RemoveKeyAsync(key);
// Log the action
Console.WriteLine($"Deleted key {key} that expired on {currentKey.Attributes.Expires}");
}
else
{
Console.WriteLine($"Key {key} is not yet expired");
}
// Delay to avoid throttling
System.Threading.Thread.Sleep(TimeSpan.FromSeconds(1));
}
}