如何获取在哪个步骤功能失败的组件名称

发布于 2025-02-13 22:57:32 字数 202 浏览 1 评论 0原文

我有executionArn stepfunction执行的列表，我正在过滤这些executionArn by status =='失败'。

现在，如何在python中获得stepfunction的确切失败（意思是：执行失败）？

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揽月 2025-02-20 22:57:32

您可以做这样的事情：

import boto3
import jmespath

client = boto3.client('stepfunctions')


full_result = (
    client
    .get_paginator('get_execution_history')
    .paginate(arn=<your arn>)
    .build_full_result()
)

exn_failed_event = jmespath.search('events[?type==`ExecutionFailed`]', full_result)

exn_failed_event字典看起来像这样

[
  {
    'executionFailedEventDetails': {
         'cause': 
           'An error occurred while executing '
           "the state 'Lambda Invoke' (entered "
           'at the event id #4). Invalid path '
           "'$.foo' : No results for path: "
           "$['foo']",
         'error': 'States.Runtime'
    },
    'id': 11,
    'previousEventId': 0,
    'timestamp': datetime.datetime(2022, 7, 11, 19, 0, 24, 2000, tzinfo=tzlocal()),
    'type': 'ExecutionFailed'
  }
]

You can do something like this:

import boto3
import jmespath

client = boto3.client('stepfunctions')


full_result = (
    client
    .get_paginator('get_execution_history')
    .paginate(arn=<your arn>)
    .build_full_result()
)

exn_failed_event = jmespath.search('events[?type==`ExecutionFailed`]', full_result)

The exn_failed_event dictionary will look something like this

[
  {
    'executionFailedEventDetails': {
         'cause': 
           'An error occurred while executing '
           "the state 'Lambda Invoke' (entered "
           'at the event id #4). Invalid path '
           "'$.foo' : No results for path: "
           "$['foo']",
         'error': 'States.Runtime'
    },
    'id': 11,
    'previousEventId': 0,
    'timestamp': datetime.datetime(2022, 7, 11, 19, 0, 24, 2000, tzinfo=tzlocal()),
    'type': 'ExecutionFailed'
  }
]

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屌丝范 2025-02-20 22:57:32

基于有一个搜索方法，您可以在迭代器对象上调用。

因此，您的实际代码可以简化 - 并收集不需要的数据 - 到：

import boto3

failed_events = boto3.client('stepfunctions')
  .get_paginator('get_execution_history')
  .paginate(arn=<your arn>)
  .search('events[?type==`ExecutionFailed`]')

Based on this issue in boto3 repository, it looks like there is a search method that you can call on an iterator object.

So your actual code could be simplified — and gather less unneeded data — to:

import boto3

failed_events = boto3.client('stepfunctions')
  .get_paginator('get_execution_history')
  .paginate(arn=<your arn>)
  .search('events[?type==`ExecutionFailed`]')

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