change-imagestreams.sh

#!/bin/bash

SATELLITE_URL=${1}
SATELLITE_PREFIX=${2}
IMAGESTREAM_FILE=${3}

oc get is -o yaml > ${IMAGESTREAM_FILE}
cat ${IMAGESTREAM_FILE} | grep "name: ${SATELLITE_URL}" | awk '{ print $2" "$2 }' > output.txt
sed -E -i "s|(.*)\s${SATELLITE_URL}/(.*)/(.*)|\1\|${SATELLITE_URL}/${SATELLITE_PREFIX}-\2_\3|g" output.txt
for elements in $(cat output.txt)
do 
  ORIG=$(echo "${elements}" | awk -F'|' '{print $1}') ; DEST=$(echo "${elements}" | awk -F'|' '{print $2}'); sed -E -i "s|${ORIG}|${DEST}|g" ${IMAGESTREAM_FILE}
done
rm -f output.txt