Amazon EC2 Auto Scaling - Amazon EC2 Auto Scaling
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Amazon EC2 Auto Scaling

Amazon EC2 Auto Scaling 提供具体的描述性错误消息来帮助您排查问题。可以从扩展活动的描述中发现错误消息。

从扩展活动中检索错误消息

要从扩展活动的描述中检索错误消息,请使用describe-scaling-activities命令。您拥有可追溯到 6 周的扩展活动记录。扩展活动按开始时间排序,首先列出最新的扩展活动。

要查看特定 Auto Scaling 组的扩展活动,请使用以下命令。

aws autoscaling describe-scaling-activities --auto-scaling-group-name my-asg

以下为响应示例,其中StatusCode包含活动的当前状态,StatusMessage包含错误消息。

{ "Activities": [ { "ActivityId": "3b05dbf6-037c-b92f-133f-38275269dc0f", "AutoScalingGroupName": "my-asg", "Description": "Launching a new EC2 instance: i-003a5b3ffe1e9358e. Status Reason: Instance failed to complete user's Lifecycle Action: Lifecycle Action with token e85eb647-4fe0-4909-b341-a6c42d8aba1f was abandoned: Lifecycle Action Completed with ABANDON Result", "Cause": "At 2021-01-11T00:35:52Z a user request created an AutoScalingGroup changing the desired capacity from 0 to 1. At 2021-01-11T00:35:53Z an instance was started in response to a difference between desired and actual capacity, increasing the capacity from 0 to 1.", "StartTime": "2021-01-11T00:35:55.542Z", "EndTime": "2021-01-11T01:06:31Z", "StatusCode": "Cancelled", "StatusMessage": "Instance failed to complete user's Lifecycle Action: Lifecycle Action with token e85eb647-4fe0-4909-b341-a6c42d8aba1f was abandoned: Lifecycle Action Completed with ABANDON Result", "Progress": 100, "Details": "{\"Subnet ID\":\"subnet-5ea0c127\",\"Availability Zone\":\"us-west-2b\"...}", "AutoScalingGroupARN": "arn:aws:autoscaling:us-west-2:123456789012:autoScalingGroup:283179a2-f3ce-423d-93f6-66bb518232f7:autoScalingGroupName/my-asg" }, ... ] }

有关输出中字段的说明,请参阅活动中的Amazon EC2 Auto Scaling API 参考

要查看已删除的 Auto Scaling 组的扩展活动,请将--include-deleted-groups选项添加到describe-scaling-activities命令,如下所示。

aws autoscaling describe-scaling-activities --auto-scaling-group-name my-asg --include-deleted-groups

以下为响应示例,其中包含已删除组的扩展活动。

{ "Activities": [ { "ActivityId": "e1f5de0e-f93e-1417-34ac-092a76fba220", "AutoScalingGroupName": "my-asg", "Description": "Launching a new EC2 instance. Status Reason: Your Spot request price of 0.001 is lower than the minimum required Spot request fulfillment price of 0.0031. Launching EC2 instance failed.", "Cause": "At 2021-01-13T20:47:24Z a user request update of AutoScalingGroup constraints to min: 1, max: 5, desired: 3 changing the desired capacity from 0 to 3. At 2021-01-13T20:47:27Z an instance was started in response to a difference between desired and actual capacity, increasing the capacity from 0 to 3.", "StartTime": "2021-01-13T20:47:30.094Z", "EndTime": "2021-01-13T20:47:30Z", "StatusCode": "Failed", "StatusMessage": "Your Spot request price of 0.001 is lower than the minimum required Spot request fulfillment price of 0.0031. Launching EC2 instance failed.", "Progress": 100, "Details": "{\"Subnet ID\":\"subnet-5ea0c127\",\"Availability Zone\":\"us-west-2b\"...}", "AutoScalingGroupState": "Deleted", "AutoScalingGroupARN": "arn:aws:autoscaling:us-west-2:123456789012:autoScalingGroup:283179a2-f3ce-423d-93f6-66bb518232f7:autoScalingGroupName/my-asg" }, ... ] }

下表列出了错误消息的类型,并提供问题排查资源的链接,供您在排查问题时使用。