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poll_delete - Breaks with Large Bot Definitions #1

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jessedoyle opened this issue Sep 23, 2021 · 0 comments
Open

poll_delete - Breaks with Large Bot Definitions #1

jessedoyle opened this issue Sep 23, 2021 · 0 comments

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@jessedoyle
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jessedoyle commented Sep 23, 2021 •
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Hi there!

Thanks for making such a great resource - we've always struggled with Lex tooling in the past, so it's great to see others providing options and custom resources!

It looks like a previous commit removed the poll_create and poll_update functions due to limitations with rule payload sizes.

I see the poll_delete function still exists though. Was it missed?

We're able to build a rather large bot, but it fails to delete or roll back properly if there's an error in the stack.

Here's the error message we're getting:

Received response status [FAILED] from custom resource.

Message returned: ERROR: (truncated) , "CrHelperRule": "arn:aws:events:us-east-1:123456789000:rule/LexBotExample", "CrHelperPermission": "LexBotExample"}' at 'targets.1.member.input' failed to satisfy constraint: 

Member must have length less than or equal to 8192

Is there a way this error can be resolved?

Thanks!
jessedoyle pushed a commit to jessedoyle/aws-lex-v2-cfn-cr that referenced this issue Sep 24, 2021
fix(delete): Remove Deletion Polling
3160103 
* There is an 8KB limit to `AWS::Events::Rule` resources that are
  created by the  `crhelper` library to implement a polling
  strategy for the custom resource.
* The polling strategies for `update` and `create` were previously
  removed in commit ad497ce, but
  the `poll_delete` function was not removed.
* For larger bot definitions (ie. > 8KB), the custom resource
  correctly creates and updates the bot resource, but it will
  fail on deletion with an error message of:

```
'targets.1.member.input' failed to satisfy constraint:

Member must have length less than or equal to 8192
```
* To resolve this issue, simply remove the `poll_delete` function
  and update the `delete_resource` function to wait for the bot
  and the bot alias to be fully deleted.

resolves: aws-samples#1
@jessedoyle jessedoyle mentioned this issue Sep 24, 2021
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fix(delete): Remove Deletion Polling jessedoyle/aws-lex-v2-cfn-cr
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@jessedoyle