AWS CloudWatchLogs 不使用DescribeLogStreamsRequest 按降序返回日志

Question

我正在使用 C# AWS SDK 以（日期时间）降序顺序（最新优先）检索 CloudWatch 日志。因此，按如下方式设置 AmazonCloudWatchLogsClient：

AmazonCloudWatchLogsConfig config = new AmazonCloudWatchLogsConfig {
    RegionEndpoint = Amazon.RegionEndpoint.GetBySystemName("<aws-region>")
};
AmazonCloudWatchLogsClient _client = new AmazonCloudWatchLogsClient(config);
_client.DescribeLogStreamsAsync(new DescribeLogStreamsRequest {
    LogGroupName = "logGroup",
    OrderBy = "LastEventTime",
    Descending = true,
});

并按如下方式设置云监视组和流：

_client.CreateLogGroupAsync(new CreateLogGroupRequest { LogGroupName = "logGroup" });
_client.CreateLogStreamAsync(new CreateLogStreamRequest {
    LogGroupName = "logGroup",
    LogStreamName = "logStream"
});

比按如下方式检索云监视日志：

var request = new GetLogEventsRequest
{
    LogStreamName = "logStream",
    LogGroupName = "logGroup",
    StartTime = DateTime.UtcNow.AddDays(-1),
    EndTime = DateTime.UtcNow,
    Limit = 50,
    StartFromHead = false
};

var response = await GetLogEventsAsync(123, 456, 50, "000/f", "000/b");
var logs = response.Events;

一如既往地接收 日志 最旧的优先，而不是最新的优先。

请提出任何修复建议。

参考： https://docs.aws.amazon.com/ sdkfornet/latest/apidocs/items/TCloudWatchLogsDescribeLogStreamsRequestNET45.html

Answer 1

Shakeel，我想知道您是否尝试过延长方法订购方法？我能够通过使用它来使它起作用：

returnValue.AddRange(logEventsResponse.Events.OrderByDescending(y => y.Timestamp).Select(x => new CloudWatchLogEvent { Message = x.Message, Timestamp = x.Timestamp.AddHours(-5), StreamName = stream.LogStreamName }));

returnValue是type list＆lt; cloudwatchlogevent＆gt; and logeventsResponse是task> task＆lt; getlogeventsponse＆gt; and coundwatchlogevent and coundwatchlogevent是一个简单的类我创建了一个简单的类I创建了：

public class CloudWatchLogEvent
{
    public string Message { get; set; }
    public DateTime Timestamp { get; set; }
    public string StreamName { get; set; }
}