push-image.sh

#!/usr/bin/env bash
#
# Copyright 2016-2018, Intel Corporation
#
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#
# push-image.sh <OS-VER> - pushes the Docker image tagged with OS-VER
#                          to the Docker Hub.
#
# The script utilizes $DOCKER_USER and $DOCKER_PASSWORD variables to log in to
# Docker Hub. The variables can be set in the Travis project's configuration
# for automated builds.
#

set -e

function usage {
	echo "Usage:"
	echo "    push-image.sh <OS-VER>"
	echo "where <OS-VER>, for example, can be 'ubuntu-16.04', provided " \
		"a Docker image tagged with pmem/pmdk:ubuntu-16.04 exists " \
		"locally."
}

# Check if the first argument is nonempty
if [[ -z "$1" ]]; then
	usage
	exit 1
fi

# Check if the image tagged with pmdk/OS-VER exists locally
if [[ ! $(docker images -a | awk -v pattern="^pmem/pmdk:$1\$" \
	'$1":"$2 ~ pattern') ]]
then
	echo "ERROR: wrong argument."
	usage
	exit 1
fi

# Log in to the Docker Hub
docker login -u="$DOCKER_USER" -p="$DOCKER_PASSWORD"

# Push the image to the repository
docker push pmem/pmdk:$1