Kubernet Pod initialisation container using python3 aws-cli

aws-configmap.yaml

apiVersion: v1
kind: ConfigMap
metadata:
  name: aws-config
  namespace: default
data:
  region: eu-west-1

aws-secret.yaml

apiVersion: v1
kind: Secret
metadata:
  name: aws-secret
type: Opaque
data:
  AWS_ACCESS_KEY_ID: XXXXXXXX # base64 encoded 
  AWS_SECRET_ACCESS_KEY: XXXXXXXXXXXXXXXX # base64 encoded 

Dockerfile

# company/python3-aws docker image

FROM python:3.7-alpine

RUN pip3 --no-cache install awscli awscli-plugin-endpoint

ENTRYPOINT ["aws"]

# docker build -t company/awscli . 

example-pod.yaml

apiVersion: v1
kind: Pod
metadata:
  name: example-pod
spec:
  volumes:
  - name: shared-data
    emptyDir: {}
  initContainers:
    - name: example-init-container
      image: mikamboo/aws
      command: ['/bin/sh']
      args:
        - '-c' 
        - 'aws s3 ls > /pod-data/data.txt'
      env:
        - name: AWS_DEFAULT_REGION
          valueFrom:
            configMapKeyRef:
              name: aws-config
              key: region
      envFrom:
        - secretRef:
            name: aws-secret
      volumeMounts:
        - name: shared-data
          mountPath: /pod-data     
  containers:
    - name: example-pod-container
      image: k8s.gcr.io/busybox
      command: ['cat', '/pod-data/data.txt']
      volumeMounts:
        - name: shared-data
          mountPath: /pod-data
  restartPolicy: Never

RADME.md

Alpine : AWS CLI

https://hub.docker.com/repository/docker/mikamboo/aws

Dockerfile

FROM python:3.7-alpine

RUN pip3 --no-cache install awscli awscli-plugin-endpoint

ENTRYPOINT ["aws"]

Build

docker build -t mikamboo/aws .

Use

docker run --rm mikamboo/aws aws --version