Batch Delete Image for ECR with Multiple Image Digests

[vesubramanian]

I want to delete multiple images using their digests with batch_delete_image method. I have a loop to get multiple digests. However, I am not sure about the syntax and couldn't find any examples. I tried passing it as an array of Digests and even with comma separated string, but nothing worked. Can anyone please help with some examples and syntax?

[tim-finnigan]

Hi @vesubramanian here is the boto3 documentation for batch_delete_image: https://boto3.amazonaws.com/v1/documentation/api/latest/reference/services/ecr.html#ECR.Client.batch_delete_image

Does that help? If you're still having issues please share a code snippet of your approach.

[vesubramanian]

Thank you @tim-finnigan. I have seen this link. However, if I want to delete multiple images by passing their Image Digests, how can I achieve that? I need the syntax to pass multiple Image Digests.

[tim-finnigan]

Here is the Request Syntax for that command:

response = client.batch_delete_image(
    registryId='string',
    repositoryName='string',
    imageIds=[
        {
            'imageDigest': 'string',
            'imageTag': 'string'
        },
        {
            'imageDigest': 'string',
            'imageTag': 'string'
        },
    ]
)

You can see there how to pass multiple image digests. Is that what you're trying to do?

[vesubramanian]

Thanks again Tim. The value inside the imageIds [] will be dynamically generated in my case and it will have only multiple imageDigest attributes and no imageTag attribute. The below strImageDigests is formed in a loop from a list of images using string concatenation.
In my case, it will be something like

strImageDigests = { "imageDigest": "FirstImageDigest"},{ "imageDigest": "SecondImageDigest"} response = client.batch_delete_image( registryId='string', repositoryName='string', imageIds=[ strImageDigests ] )

[vesubramanian]

I got it working now. It was expecting a list of dictionaries for the imageIds argument. Below is my code.

imgDigestList = []
for img in imgList:
imgDigestDict = {}
imgDigestDict['imageDigest'] = img['imageDigest']
imgDigestList.append(imgDigestDict)

delResp = client.batch_delete_image(registryId = accountId, repositoryName = repo['repoName'], imageIds = imgDigestList)

Thanks a lot once again for your help.

[tim-finnigan]

Thanks for letting me know, glad you were able to resolve this! I'll go ahead and mark this comment as the answer.