public KeyRotationHelper(IDAL dal, IKeyVaultConnection keyVaultConnection, IConfiguration configuration, ILogger <KeyRotationHelper> logger)
{
this.dal = dal;
this.keyVaultConnection = keyVaultConnection;
this.configuration = configuration;
this.logger = logger;
RetryCosmosPolicy = GetCosmosRetryPolicy();
}
/// <summary>
/// Run the app
/// </summary>
/// <param name="keyvaultName">Keyvault Name</param>
/// <param name="authType">Authentication Type</param>
/// <param name="logLevel">Log Level</param>
/// <param name="dryRun">Dry Run flag</param>
/// <returns>status</returns>
public static async Task <int> RunApp(string keyvaultName, AuthenticationType authType, LogLevel logLevel, bool dryRun)
{
// validate keyvaultName and convert to URL
if (!KeyVaultHelper.BuildKeyVaultConnectionString(keyvaultName, out string kvUrl))
{
return(-1);
}
try
{
// setup ctl c handler
ctCancel = SetupCtlCHandler();
AppLogLevel = logLevel;
// build the host
host = await BuildHost(kvUrl, authType).ConfigureAwait(false);
if (host == null)
{
return(-1);
}
// don't start the web server
if (dryRun)
{
return(DoDryRun(kvUrl, authType));
}
// log startup messages
LogStartup();
// verify key vault access
IKeyVaultConnection kvConnection = host.Services.GetService <IKeyVaultConnection>();
Task <Microsoft.Azure.KeyVault.Models.SecretBundle> secret = kvConnection.Client.GetSecretAsync(kvConnection.Address, Constants.CosmosDatabase);
// start the webserver
Task w = host.RunAsync();
// this doesn't return except on ctl-c
await w.ConfigureAwait(false);
// use this line instead if you want to re-read the Cosmos connection info on a timer
// await RunKeyRotationCheck(ctCancel, Constants.KeyVaultChangeCheckSeconds).ConfigureAwait(false);
// if not cancelled, app exit -1
return(ctCancel.IsCancellationRequested ? 0 : -1);
}
catch (Exception ex)
{
// end app on error
if (logger != null)
{
logger.LogError($"Exception: {ex}");
}
else
{
Console.WriteLine($"{ex}\nError in Main() {ex.Message}");
}
return(-1);
}
}