#!/bin/bash
set -e

usage() {
cat << EOF
Usage: $0 [OPTIONS] [LABEL]
Push a newly-built image with the given LABEL to gcr.io and DockerHub.

Options:
    -g, --gpu   Push the image with GPU support.
EOF
}

SOURCE_IMAGE='kaggle/python-build'
TARGET_IMAGE='gcr.io/kaggle-images/python'

while :; do
    case "$1" in 
        -h|--help)
            usage
            exit
            ;;
        -g|--gpu)
            SOURCE_IMAGE='kaggle/python-gpu-build'
            TARGET_IMAGE='gcr.io/kaggle-private-byod/python'
            ;;
        -?*)
            usage
            printf 'ERROR: Unknown option: %s\n' "$1" >&2
            exit
            ;;
        *)            
            break
    esac

    shift
done

LABEL=${1:-testing}

readonly SOURCE_IMAGE
readonly TARGET_IMAGE
readonly LABEL

set -x
docker tag "${SOURCE_IMAGE}:latest" "${TARGET_IMAGE}:${LABEL}"
gcloud docker -- push "${TARGET_IMAGE}:${LABEL}"

# Only CPU images are made public at this time.
if [[ "$LABEL" == "latest" && SOURCE_IMAGE = "kaggle/python-build" ]]; then
  docker tag "${SOURCE_IMAGE}:latest" "kaggle/python:${LABEL}"
  docker push "kaggle/python:${LABEL}"
fi