copy-rook-image-to-vms.sh

#!/bin/bash -e

image_name_pattern=$1
if [[ -z ${image_name_pattern} ]]; then
    echo "image_name_pattern required"
fi

vms="core-01 core-02"

vernum=$2
if [[ -z ${vernum} ]]; then
    vernum="1"
fi

prettyname=$3

imagename=$(docker images -a | grep "${image_name_pattern}" -m 1 | awk '{print $1}')
imagetag=$(docker images -a | grep "${image_name_pattern}" -m 1 | awk '{print $2}')
imagename="${imagename}:${imagetag}"
if [[ ! -z ${prettyname} ]]; then
    devimagename="${prettyname}:dev-${vernum}"
else
    devimagename="${imagename%:*}:dev-${vernum}"
fi

echo "applying dev image ${devimagename} from ${imagename}"

tmpdir=$(mktemp -d)
trap "rm -fr $tmpdir" EXIT
mkdir -p $tmpdir

filename=tmp.docker
filepath=${tmpdir}/${filename}
docker save -o ${filepath} ${imagename}

for vm in ${vms} ; do vagrant scp ${filepath} $vm:~/. ; done
for vm in ${vms} ; do vagrant ssh $vm -- docker load -i ${filename}; done
for vm in ${vms} ; do vagrant ssh $vm -- docker tag ${imagename} ${devimagename}; done

echo "applied dev image ${devimagename}"