bin/preload-images

#!/bin/bash
##############################################################################
#
#   Copyright (c) 2019 AT&T Intellectual Property.
#
#   Licensed under the Apache License, Version 2.0 (the "License");
#   you may not use this file except in compliance with the License.
#   You may obtain a copy of the License at
#
#       http://www.apache.org/licenses/LICENSE-2.0
#
#   Unless required by applicable law or agreed to in writing, software
#   distributed under the License is distributed on an "AS IS" BASIS,
#   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
#   See the License for the specific language governing permissions and
#   limitations under the License.
#
##############################################################################

# Installs well-known RIC charts then verifies specified helm chart
# Requires chart tgz archives in /tmp


while [ -n "$1" ]; do # while loop starts

    case "$1" in

    -d) DOCKER_REGISTRY=$2
        shift
        ;;

    -p) IMAGE_DIRECTORY_PATH=$2
	shift
	;;

    *) echo "Option $1 not recognized. Please specify the docker registry path with the -d option and specify the directory path of the images with the -p option."
	;; # In case you typed a different option other than -d or -p

    esac

    shift

done

if [ -z $DOCKER_REGISTRY ]; then
   echo "Please specify the docker registry path with the -d option."
   exit 1
fi

if [ -z $IMAGE_DIRECTORY_PATH ]; then
   echo "Please specify the directory path of the images with the -p option."
   exit 1
fi




for image in $IMAGE_DIRECTORY_PATH/*; do
	OUTPUT=$(docker load -i $image)
	IMAGE_PATH_ORIGINAL=$(echo $OUTPUT | grep image: | awk '{print $3}' )
	IMAGENAME=$(echo $IMAGE_PATH_ORIGINAL | awk '{ n=split($0, a, "/"); print a[n] }')
	echo "************************************************************"
	echo "Loading image $IMAGENAME"
        docker tag $IMAGE_PATH_ORIGINAL $DOCKER_REGISTRY/$IMAGENAME
	RESULT=$(docker push $DOCKER_REGISTRY/$IMAGENAME 2>&1)
        LOGIN_ERROR=$(echo $RESULT |& grep "no basic auth credentials" )
	if [ ! -z "$LOGIN_ERROR" ]; then
            echo "You are not logined to $DOCKER_REGISTRY. Please login by running \"docker login $DOCKER_REGISTRY\""
	    exit 1
	fi
        ACCESS_ERROR=$(echo $RESULT |& grep "denied: requested access to the resource is denied" )
	if [ ! -z "$ACCESS_ERROR" ]; then
            echo "Failed to push image to docker registry: <$DOCKER_REGISTRY>. Please check if it is a typo."
	    exit 1
	fi
done