AWS CloudFormation error

Question

I have a Lambda NET6 and try to deploy it using GitHub workflow. It gives e an error on the command:

>aws cloudformation deploy --template-file ./aws/cfn/lambda-bucket.yml --stack-name pm2dictsstack --parameter-overrides LambdaBucketName=pm2dicts-lambda-apigw-bucket
  shell: /usr/bin/bash -e {0}
  env:
    APPLICATION_PACKAGE: pm2dictslambda
    APPLICATION_NAME: pm2dicts-lambda-apigw
    LAMBDA_BUCKET_NAME: pm2dicts-lambda-apigw-bucket
    LAMBDA_STACK_NAME: pm2dictsstack
    SLN_WORKING_DIR: .
    AWS_DEFAULT_REGION: eu-west-2
    AWS_REGION: eu-west-2
    AWS_ACCESS_KEY_ID: ***
    AWS_SECRET_ACCESS_KEY: ***

Waiting for changeset to be created..
Waiting for stack create/update to complete

Failed to create/update the stack. Run the following command
to fetch the list of events leading up to the failure
aws cloudformation describe-stack-events --stack-name pm2dictsstack

How to fix it?

Answer

Hi Oleg, the JSON command output you've pasted isn't valid as all the `"\"` characters have been stripped in "ResourceProperties" field content.  Output should contain sections like this:

```
"ResourceProperties": "{\"NetworkAclId\":
```

Without the backslashes the JSON pretty-printer can't parse it and make the output readable.  Can you please try again, pasting the content in a "Code" format block here instead of normal text so those characters don't get stripped.

Answer

You asked "I see in AWS Console stacks and one of them: pm2dictsstack UPDATE_ROLLBACK_COMPLETE . May be delete it manually?" - yes you can, but you're throwing away useful diagnostic info!  Have a look at the events there.  It will be the same set accessible via "aws cloudformation describe-stack-events --stack-name pm2dictsstack" which people have been suggesting you run.

Answer

What about this command? 
```
aws cloudformation describe-stack-events --stack-name pm2dictsstack
```

Answer

This is a result of command above
{
    "StackEvents": [
        {
            "StackId": "arn:aws:cloudformation:eu-west-2:074745971345:stack/pm2dictsstack/3c16ac30-4280-11ee-854f-06cf05efd900",
            "EventId": "4387bb80-4280-11ee-aff9-02daa29ae6e0",
            "StackName": "pm2dictsstack",
            "LogicalResourceId": "pm2dictsstack",
            "PhysicalResourceId": "arn:aws:cloudformation:eu-west-2:074745971345:stack/pm2dictsstack/3c16ac30-4280-11ee-854f-06cf05efd900",
            "ResourceType": "AWS::CloudFormation::Stack",
            "Timestamp": "2023-08-24T13:15:15.119000+00:00",
            "ResourceStatus": "ROLLBACK_COMPLETE"
        },
        {
            "StackId": "arn:aws:cloudformation:eu-west-2:074745971345:stack/pm2dictsstack/3c16ac30-4280-11ee-854f-06cf05efd900",
            "EventId": "LambdaBucket-DELETE_COMPLETE-2023-08-24T13:15:14.737Z",
            "StackName": "pm2dictsstack",
            "LogicalResourceId": "LambdaBucket",
            "PhysicalResourceId": "",
            "ResourceType": "AWS::S3::Bucket",
            "Timestamp": "2023-08-24T13:15:14.737000+00:00",
            "ResourceStatus": "DELETE_COMPLETE",
            "ResourceProperties": "{\"BucketName\":\"pm2dicts-lambda-apigw-bucket\",\"AccessControl\":\"Private\"}"
        },
        {
            "StackId": "arn:aws:cloudformation:eu-west-2:074745971345:stack/pm2dictsstack/3c16ac30-4280-11ee-854f-06cf05efd900",
            "EventId": "420b0690-4280-11ee-8f36-06fce6ffb782",
            "StackName": "pm2dictsstack",
            "LogicalResourceId": "pm2dictsstack",
            "PhysicalResourceId": "arn:aws:cloudformation:eu-west-2:074745971345:stack/pm2dictsstack/3c16ac30-4280-11ee-854f-06cf05efd900",
            "ResourceType": "AWS::CloudFormation::Stack",
            "Timestamp": "2023-08-24T13:15:12.624000+00:00",
            "ResourceStatus": "ROLLBACK_IN_PROGRESS",
            "ResourceStatusReason": "The following resource(s) failed to create: [LambdaBucket]. Rollback requested by user."
        },
        {
            "StackId": "arn:aws:cloudformation:eu-west-2:074745971345:stack/pm2dictsstack/3c16ac30-4280-11ee-854f-06cf05efd900",
            "EventId": "LambdaBucket-CREATE_FAILED-2023-08-24T13:15:12.225Z",
            "StackName": "pm2dictsstack",
            "LogicalResourceId": "LambdaBucket",
            "PhysicalResourceId": "",
            "ResourceType": "AWS::S3::Bucket",
            "Timestamp": "2023-08-24T13:15:12.225000+00:00",
            "ResourceStatus": "CREATE_FAILED",
            "ResourceStatusReason": "pm2dicts-lambda-apigw-bucket already exists",
            "ResourceProperties": "{\"BucketName\":\"pm2dicts-lambda-apigw-bucket\",\"AccessControl\":\"Private\"}"
        },
        {
            "StackId": "arn:aws:cloudformation:eu-west-2:074745971345:stack/pm2dictsstack/3c16ac30-4280-11ee-854f-06cf05efd900",
            "EventId": "LambdaBucket-CREATE_IN_PROGRESS-2023-08-24T13:15:11.824Z",
            "StackName": "pm2dictsstack",
            "LogicalResourceId": "LambdaBucket",
            "PhysicalResourceId": "",
            "ResourceType": "AWS::S3::Bucket",
            "Timestamp": "2023-08-24T13:15:11.824000+00:00",
            "ResourceStatus": "CREATE_IN_PROGRESS",
            "ResourceProperties": "{\"BucketName\":\"pm2dicts-lambda-apigw-bucket\",\"AccessControl\":\"Private\"}"
        },
        {
            "StackId": "arn:aws:cloudformation:eu-west-2:074745971345:stack/pm2dictsstack/3c16ac30-4280-11ee-854f-06cf05efd900",
            "EventId": "3fc5f890-4280-11ee-a1d8-069187556e26",
            "StackName": "pm2dictsstack",
            "LogicalResourceId": "pm2dictsstack",
            "PhysicalResourceId": "arn:aws:cloudformation:eu-west-2:074745971345:stack/pm2dictsstack/3c16ac30-4280-11ee-854f-06cf05efd900",
            "ResourceType": "AWS::CloudFormation::Stack",
            "Timestamp": "2023-08-24T13:15:08.797000+00:00",
            "ResourceStatus": "CREATE_IN_PROGRESS",
            "ResourceStatusReason": "User Initiated"
        },
        {
            "StackId": "arn:aws:cloudformation:eu-west-2:074745971345:stack/pm2dictsstack/3c16ac30-4280-11ee-854f-06cf05efd900",
            "EventId": "3c163700-4280-11ee-854f-06cf05efd900",
            "StackName": "pm2dictsstack",
            "LogicalResourceId": "pm2dictsstack",
            "PhysicalResourceId": "arn:aws:cloudformation:eu-west-2:074745971345:stack/pm2dictsstack/3c16ac30-4280-11ee-854f-06cf05efd900",
            "ResourceType": "AWS::CloudFormation::Stack",
            "Timestamp": "2023-08-24T13:15:02.902000+00:00",
            "ResourceStatus": "REVIEW_IN_PROGRESS",
            "ResourceStatusReason": "User Initiated"
        }
    ]
}

AWS CloudFormation error

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