protected override bool Unbind(ServiceCredentials credentials)
{
if (credentials == null)
{
return false;
}
bool success = true;
Logger.Debug(Strings.SqlNodeUnbindServiceDebugMessage, credentials.SerializeToJson());
string name = credentials.Name;
string user = credentials.User;
ProvisionedService serviceInstance = ProvisionedService.GetService(name);
// Remove the binding form the local db
var binding = serviceInstance.Bindings.FirstOrDefault(p => p.User == user);
serviceInstance.Bindings.Remove(binding);
if (!ProvisionedService.Save())
{
Logger.Error(Strings.SqlNodeCannotSaveProvisionedServicesErrorMessage, credentials.SerializeToJson());
throw new FileServiceErrorException(FileServiceErrorException.FileServiceLocalDBError);
}
try
{
DeleteInstanceUser(user);
}
catch (Exception ex)
{
Logger.Error("Unable to delete bound user {1} for instance {0}. Exception: {2}", name, user, ex.ToString());
success = false;
}
return success;
}
protected override bool Unbind(ServiceCredentials credentials)
{
if (credentials == null)
{
return false;
}
Logger.Debug(Strings.SqlNodeUnbindServiceDebugMessage, credentials.SerializeToJson());
string user = credentials.User;
string databaseName = credentials.Name;
using (SqlConnection databaseConnection = new SqlConnection(this.ConnectionString))
{
databaseConnection.Open();
databaseConnection.ChangeDatabase(databaseName);
using (SqlCommand cmdUserExists = new SqlCommand(string.Format(CultureInfo.InvariantCulture, "select count(*) from sys.sysusers where name=N'{0}'", user), databaseConnection))
{
int userCount = (int)cmdUserExists.ExecuteScalar();
if (userCount != 1)
{
throw new MSSqlErrorException(MSSqlErrorException.MSSqlCredentialsNotFound, user);
}
}
}
this.DeleteDatabaseUser(user);
return true;
}
/// <summary>
/// Binds a shared directory to an app.
/// </summary>
/// <param name="name">The name of the service.</param>
/// <param name="bindOptions">Binding options.</param>
/// <param name="credentials">Already existing credentials.</param>
/// <returns>
/// A new set of credentials used for binding.
/// </returns>
protected override ServiceCredentials Bind(string name, Dictionary<string, object> bindOptions, ServiceCredentials credentials)
{
Logger.Debug(Strings.SqlNodeBindServiceDebugMessage, name, JsonConvertibleObject.SerializeToJson(bindOptions));
ProvisionedService service = ProvisionedService.GetService(name);
if (service == null)
{
throw new FileServiceErrorException(FileServiceErrorException.FileServiceConfigNotFound, name);
}
string user = null;
string password = null;
if (credentials != null)
{
user = credentials.User;
password = credentials.Password;
}
else
{
user = "******" + Credentials.GenerateCredential();
password = "******" + Credentials.GenerateCredential();
}
var binding = new ServiceBinding
{
User = user,
Password = password
};
Bind(service, binding);
service.Bindings.Add(binding);
if (!ProvisionedService.Save())
{
Logger.Error(Strings.SqlNodeCannotSaveProvisionedServicesErrorMessage, credentials == null ? string.Empty : credentials.SerializeToJson());
throw new FileServiceErrorException(FileServiceErrorException.FileServiceLocalDBError);
}
ServiceCredentials response = this.GenerateCredential(name, user, password, service.Port.Value);
Logger.Debug(Strings.SqlNodeBindResponseDebugMessage, response.SerializeToJson());
this.bindingServed += 1;
return response;
}