protected virtual async Task RecordFailedMessageAsync(LambdaLogLevel level, string body, Exception exception)
{
if (!string.IsNullOrEmpty(_deadLetterQueueUrl))
{
await _sqsClient.SendMessageAsync(_deadLetterQueueUrl, body);
}
else
{
LogWarn("dead letter queue not configured");
throw new LambdaFunctionException("dead letter queue not configured", exception);
}
}
private void Log(LambdaLogLevel level, Exception exception, string format, params object[] args)
{
string message = RollbarClient.FormatMessage(format, args);
Log(level, $"{message}", exception?.ToString());
if (level >= LambdaLogLevel.WARNING)
{
if (_rollbarEnabled)
{
try {
Log(LambdaLogLevel.INFO, "rollbar sending data", extra: null);
var result = _rollbarClient.SendAsync(level.ToString(), exception, format, args).Result;
if (!result.IsSuccess)
{
Log(LambdaLogLevel.ERROR, $"Rollbar payload request failed. {result.Message}. UUID: {result.UUID}", extra: null);
}
} catch (Exception e) {
Log(LambdaLogLevel.ERROR, "rollbar SendAsync exception", e.ToString());
}
}
else if (_loggingTopicArn != null)
{
string payload;
try {
// send exception to error-topic
payload = _rollbarClient.CreatePayload(MAX_SNS_SIZE, level.ToString(), exception, format, args);
} catch (Exception e) {
Log(LambdaLogLevel.ERROR, "rollbar CreatePayload exception", e.ToString());
return;
}
try {
// send exception to error-topic
_snsClient.PublishAsync(new PublishRequest {
TopicArn = _loggingTopicArn,
Message = payload
}).Wait();
} catch (Exception e) {
Log(LambdaLogLevel.ERROR, "SNS publish exception", e.ToString());
Log(LambdaLogLevel.INFO, "logging payload", payload);
}
}
}
}
/// <summary> /// Log a message wit the given severity level. The <c>format</c> string is used to create a unique signature for errors. /// Therefore, any error information that varies between occurrences should be provided in the <c>arguments</c> parameter. /// </summary> /// <remarks> /// Nothing is logged if both <paramref name="format"/> and <paramref name="exception"/> are null. /// </remarks> /// <param name="level">The severity level of the log message. See <see cref="LambdaLogLevel"/> for a description of the severity levels.</param> /// <param name="exception">Optional exception to log. The exception is logged with its description and stacktrace. This parameter can be <c>null</c>.</param> /// <param name="format">Optional message to use instead of <c>Exception.Message</c>. This parameter can be <c>null</c>.</param> /// <param name="arguments">Optional arguments for the <c>format</c> parameter.</param> public void Log(LambdaLogLevel level, Exception exception, string format, params object[] arguments) => AppClient.Log(level, exception, format, arguments);
public void Log(LambdaLogLevel level, Exception exception, string format, params object[] arguments)
{
}
private void Log(LambdaLogLevel level, string message, string extra)
=> LambdaLogger.Log($"*** {level.ToString().ToUpperInvariant()}: {message} [{Stopwatch.Elapsed:c}]\n{extra}");
