keycloak-importer

#!/usr/bin/env bash
###############################################################################
# Copyright (c) 2020, 2022 Eurotech and/or its affiliates and others
#
# This program and the accompanying materials are made
# available under the terms of the Eclipse Public License 2.0
# which is available at https://www.eclipse.org/legal/epl-2.0/
#
# SPDX-License-Identifier: EPL-2.0
#
# Contributors:
#     Eurotech - initial API and implementation
###############################################################################

ERROR=0
DOCKER_ACCOUNT=${DOCKER_ACCOUNT:=kapua}
IMAGE_VERSION=${IMAGE_VERSION:=1.6.11-SNAPSHOT}
KEYCLOAK="keycloak"
TMP_DIR="/tmp/keycloak-container-$(date +%s)"

echo "Creating tmp directory: ${TMP_DIR}..."
mkdir -p "${TMP_DIR}" || die "Cannot create directory '${TMP_DIR}' where to copy files."

echo "Creating tmp directory... DONE!"
echo ""

(
    echo "Exporting Keycloak image..."
    echo "    ${KEYCLOAK}:${IMAGE_VERSION}"
    docker save -o "${TMP_DIR}"/${KEYCLOAK} ${DOCKER_ACCOUNT}/${KEYCLOAK}:${IMAGE_VERSION} &> /dev/null ||
        {
            echo "    Cannot export image: ${KEYCLOAK}:${IMAGE_VERSION}"
            echo "    Perhaps it is not present in the local Docker registry?"
            echo ""
            exit 1
        }
    echo "Exporting Keycloak image... DONE!"
    echo ""

    eval "$(minishift docker-env)"

    echo "Importing Keycloak image into Minishift..."
    echo "${KEYCLOAK}:${IMAGE_VERSION}"
    docker load < "${TMP_DIR}"/${KEYCLOAK} &> /dev/null ||
        {
            echo "    Cannot import image: ${KEYCLOAK}:${IMAGE_VERSION}"
            echo "    Perhaps due to previous errors?"
            exit 1
        }
    echo "Importing Keycloak images into Minishift... DONE!"
    echo ""
) ||
    {
        ERROR=1;
        echo "Exporting/Importing Keycloak image... FAILED!"
        echo "    Perhaps docker images are not present in the local Docker registry?"
        echo "    Please check running command:"
        echo "        docker images"
        echo "    If no '${DOCKER_ACCOUNT}/${KEYCLOAK}*:${IMAGE_VERSION}' image is present, please build it running command:"
        echo "        mvn clean install -Pkeycloak"
        echo ""
    }

echo "Removing tmp directory: ${TMP_DIR}..."
if [ -d "${TMP_DIR}" ]; then
    rm -rf "${TMP_DIR}"
fi
echo "Removing tmp directory... DONE!"

exit ${ERROR}