Friday, February 24, 2017

Running AWS CLI using docker image

For my project i needed to execute AWS commands without having to install awscli or using SDK but do it in a cloud provider agnostic manner. The project in itself requires a separate article but this piece of getting to run awscli built into a docker image (using alpine linux which is very light weight) and executed from Java code seems quite useful by itself outside of the context of my master's project (which by the way is a chatbot for cloud operations management named Amigo).

Docker hub registry entry for the awscli image:
https://hub.docker.com/r/sjsucohort6/docker_awscli/

Docker image with awscli installed. It uses alpine python 2.7 and hence the size of the image is 115MB approx.
This enables one to execute awscli commands without having to install awscli locally.
Usage:
$ docker pull sjsucohort6/docker_awscli
Example command - ecs list-clusters can be executed as:
$ docker run -it --rm -e AWS_DEFAULT_REGION='' -e AWS_ACCESS_KEY_ID='' -e AWS_SECRET_ACCESS_KEY='' --entrypoint aws sjsucohort6/docker_awscli:latest ecs list-clusters
The Java docker-client from Spotify is the one used for the below code that pulls the image from docker hub and executes the command.


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