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How to auto-update existing registered task definition with specific tags?

Suppose I already have a task definition registered. The task-definition source file is not in the same repository as my code. I want to re-use the registered task definition and only update the container image tag.


How do I do this?


If the option is not supported, I suggest something like this:

IMAGE_TAGS: "<container_name>:<tag_name> <container_name>:<tag_name>"

wherein each tuple sets the tag for a specific container, incase you have a multi-container task definition.

1 answer

0 votes

@Tarek Abdel Sateryou need to use aws cli for that, to update image tag.

If you know some tags that you find your task definition by, use aws cli command describe-task-definition (by family, revision etc.) , describe it, clean up non-acceptable fields , change your image tags.

The new task definition will be registered , because you did change the tags. This how aws ecs works, if you use specific tags. (Task definition ).

If you use latest, the FORCE_NEW_DEPLOYMENT option, that we support, would help you.


Otherwise you will need to register task definition again, because tags has changed, by executing aws command describing task definition and constructing it again, changing only image tags. Don't forget to remove non-acceptable fields like registeredAt, updatedAt etc.


You can find suitable solution here  in the question thread


However we can think more about supporting it from the box. You also can raise a Suggestion request to component Bitbucket Pipelines - Pipes here

or vote for existing ones.


Regards, Galyna



Thank you for the response. I manage the task definition using terraform in a separate repository, so storing `task-definitions.json` in the same repo is not acceptable to us, neither is using latest tag and force deploy.

For now, we're a script to fetch the current task definition from AWS and replacing the image tag with jq.

However, I think this pattern is so common that it needs to be implemented directly into the pipe. I will open a suggestion for this.

The suggestion is here:


I think this is a critical feature that should exist in this pipe, I was surprised it didn't.

In fact, there's already a PR for it but it seems to have been abandoned

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