#!/bin/bash
 
 # This script pushes all of the built images to a registry.
 #
 # Set OS_PUSH_BASE_IMAGES=true to push base images
 # Set OS_PUSH_BASE_REGISTRY to prefix the destination images
 #

 STARTTIME=$(date +%s)

 source "$(dirname "${BASH_SOURCE}")/lib/init.sh"

 # Allow a release to be repushed with a tag
 tag="${OS_PUSH_TAG:-}"
 if [[ -n "${tag}" ]]; then

   if [[ "${tag}" == "HEAD" ]]; then
     if [[ "$( git tag --points-at HEAD | wc -l )" -ne 1 ]]; then
       echo "error: There must be exactly one tag pointing to HEAD to use OS_PUSH_TAG=HEAD"
       exit 1
     fi
     tag=":$( git tag --points-at HEAD)"
   else
     tag=":${tag}"
   fi

 else
   tag=":latest"

 fi
 

 # Source tag
 source_tag="${OS_TAG:-}"
 if [[ -z "${source_tag}" ]]; then
   source_tag="latest"
   file="${OS_ROOT}/_output/local/releases/.commit"
   if [[ -e ${file} ]]; then
     source_tag="$(cat $file)"
   fi
 fi
 

 base_images=(
   openshift/origin-base
   openshift/origin-release
 )

 images=(
   openshift/origin

   openshift/origin-pod

   openshift/origin-deployer
   openshift/origin-docker-builder

   openshift/origin-docker-registry
   openshift/origin-keepalived-ipfailover

   openshift/origin-sti-builder
   openshift/origin-haproxy-router

   openshift/origin-f5-router

   openshift/origin-egress-router

   openshift/origin-recycler

   openshift/origin-gitserver

   openshift/hello-openshift

   openshift/openvswitch
   openshift/node

 )

 PUSH_OPTS=""
 if docker push --help | grep -q force; then
   PUSH_OPTS="--force"
 fi
 

 # Push the base images to a registry
 if [[ "${tag}" == ":latest" ]]; then

   if [[ "${OS_PUSH_BASE_IMAGES-}" != "" ]]; then
     for image in "${base_images[@]}"; do
       if [[ "${OS_PUSH_BASE_REGISTRY-}" != "" ]]; then

         docker tag -f "${image}:${source_tag}" "${OS_PUSH_BASE_REGISTRY}${image}${tag}"

       fi

       docker push ${PUSH_OPTS} "${OS_PUSH_BASE_REGISTRY-}${image}${tag}"

     done

   fi

 fi
 
 # Pull latest in preparation for tagging

 if [[ "${tag}" != ":latest" ]]; then
   if [[ -z "${OS_PUSH_LOCAL-}" ]]; then
     for image in "${images[@]}"; do

       docker pull "${OS_PUSH_BASE_REGISTRY-}${image}:${source_tag}"

     done
   else

     echo "WARNING: Pushing local :${source_tag} images to ${OS_PUSH_BASE_REGISTRY-}*${tag}"

     if [[ -z "${OS_PUSH_ALWAYS:-}" ]]; then
       echo "  CTRL+C to cancel, or any other key to continue"
       read
     fi

   fi

 fi
 
 if [[ "${OS_PUSH_BASE_REGISTRY-}" != "" || "${tag}" != "" ]]; then
   for image in "${images[@]}"; do

     docker tag -f "${image}:${source_tag}" "${OS_PUSH_BASE_REGISTRY-}${image}${tag}"

   done
 fi
 
 for image in "${images[@]}"; do

   docker push ${PUSH_OPTS} "${OS_PUSH_BASE_REGISTRY-}${image}${tag}"

 done

 
 ret=$?; ENDTIME=$(date +%s); echo "$0 took $(($ENDTIME - $STARTTIME)) seconds"; exit "$ret"