push-to-registry.sh

#!/usr/bin/env bash
#
usage() {
  echo "Usage:
  $0 <private-registry-addr> <release-name>

  Prerequisite: docker login to both source and destination registry. Regctl tool is installed.
  "
}

DIR=$(dirname $0)

PRIVATE_REGISTRY_ADDR=$1
RELEASE_NAME=$2

if [[ -z "${PRIVATE_REGISTRY_ADDR}" || -z "${RELEASE_NAME}" ]]; then
  usage
  exit 1
fi

IMAGES_LIST=${DIR}/releases/images-list-${RELEASE_NAME}
if [[ ! -f "${IMAGES_LIST}" ]]; then
  usage
  echo "ERROR: cannot file images list in ${IMAGES_LIST} "
  exit 1
fi

JOURNAL_DIR=${JOURNAL_DIR:-$DIR/log/$(date "+%Y-%m-%d_%H%M%S")}
mkdir -p $JOURNAL_DIR
DONE_FILE=$JOURNAL_DIR/done
ERRORS_FILE=$JOURNAL_DIR/errors

if [[ -n "${DRY_RUN}" ]]; then
  echo "DRY_RUN MODE"
  REGCTL="echo regctl"
else
  REGCTL="regctl"
fi

echo "Starting at $(date)"
echo "
IMAGES_LIST=$IMAGES_LIST
JOURNAL_DIR = $JOURNAL_DIR
DONE_DIR = $DONE_DIR
"

DONE_COUNT=0
ERROR_COUNT=0
# there are 3 types of image names:
# 1. non-codefresh like "bitnami/mongo:4.2 || k8s.gcr.io/ingress-nginx/controller:v1.2.0 " - convert to "private-registry-addr/bitnami/mongo:4.2 || private-registry-addr/ingress-nginx/controller:v1.2.0"
# 2. codefresh public images like "codefresh/engine:1.147.8" - convert to "private-registry-addr/codefresh/engine:1.147.8"
# 3. codefresh private images like gcr.io/codefresh-enterprise/codefresh/cf-api:21.153.1 || gcr.io/codefresh-inc/codefresh-io/argo-platform-api-graphql:1.1175.0  - will be convert to "private-registry-addr/codefresh/cf-api:21.153.1 || "private-registry-addr/codefresh/argo-platform-api-graphql:1.1175.0
DELIMITER='codefresh/'
DELIMITER_INC='codefresh-io/'
while read line
do
  [[ -z $line ]] && continue
  SRC_IMAGE=$(echo $line)
  DEST_IMAGE=$(echo $SRC_IMAGE | awk -F"${DELIMITER}|${DELIMITER_INC}" -vPRIVATE_REGISTRY_ADDR=${PRIVATE_REGISTRY_ADDR} \
      '{if($2 == ""){print PRIVATE_REGISTRY_ADDR"/"$1}  else {print PRIVATE_REGISTRY_ADDR"/codefresh/"$2}}' | sed -E -e "s#docker.io\/|registry.k8s.io\/|k8s.gcr.io\/|ghcr.io\/##")
  echo "$SRC_IMAGE    ->    $DEST_IMAGE"

  REGCTL_COPY_COMMAND="$REGCTL image copy $SRC_IMAGE $DEST_IMAGE"

  echo "---------- Copy $SRC_IMAGE to $DEST_IMAGE"
  eval $REGCTL_COPY_COMMAND && echo -e "Copy $DEST_IMAGE completed - $(date) !!!\n" && \

  if [[ $? == 0 ]]; then
    echo "$DEST_IMAGE" >> $DONE_FILE
    DONE_COUNT=$(( DONE_COUNT+1 ))
  else
    echo "ERROR - $PULL_IMAGE to $DEST_IMAGE" >> $ERRORS_FILE
    ERROR_COUNT=$(( ERROR_COUNT+1 ))
  fi

done < $IMAGES_LIST

echo "Completed at $(date) "
echo "Done $DONE_COUNT images - see $DONE_FILE "
if [[ ${ERROR_COUNT} -gt 0 ]]; then
  echo "There are $ERROR_COUNT error - see $ERRORS_FILE "
fi