#!/bin/bash -e
 
 DIST_TAG=$1
 DIST_VER=$2
 SPEC_DIR=$3
 STAGE_DIR=$4
 ARCH=x86_64
 
 #
 # Docker images for kubernetes artifacts
 #
 K8S_VER=`cat ${SPEC_DIR}/kubernetes/kubernetes.spec | grep Version | cut -d: -f2 | tr -d ' '`
 K8S_VER_REL=${K8S_VER}-`cat ${SPEC_DIR}/kubernetes/kubernetes.spec | grep Release | cut -d: -f2 | tr -d ' ' | cut -d% -f1`
 K8S_RPM=kubernetes-${K8S_VER_REL}${DIST_TAG}.${ARCH}.rpm
 K8S_RPM_FILE=../../../stage/RPMS/x86_64/${K8S_RPM}

 K8S_PAUSE_RPM=kubernetes-pause-${K8S_VER_REL}${DIST_TAG}.${ARCH}.rpm
 K8S_PAUSE_RPM_FILE=../../../stage/RPMS/x86_64/${K8S_PAUSE_RPM}

 
 if [ ! -f ${K8S_RPM_FILE} ]
 then
     echo "Kubernetes RPM ${K8S_RPM_FILE} not found. Exiting.."
     exit 1
 fi
 
 K8S_BINS=(kube-apiserver kube-controller-manager kube-proxy kube-scheduler)
 for K8S_BIN in ${K8S_BINS[*]}; do

     IMG_NAME=vmware_photon_${DIST_VER}/${K8S_BIN}-amd64:v${K8S_VER}

     IMG_ID=`docker images -q ${IMG_NAME} 2> /dev/null`
     if [[ ! -z "${IMG_ID}" ]]; then
         echo "Removing image ${IMG_NAME}"
         docker rmi -f ${IMG_NAME}
     fi
 done
 
 mkdir -p tmp/k8s
 cp ${K8S_RPM_FILE} tmp/k8s/

 cp ${K8S_PAUSE_RPM_FILE} tmp/k8s/

 pushd ./tmp/k8s
 rpm2cpio ${K8S_RPM} | cpio -vid

 rpm2cpio ${K8S_PAUSE_RPM} | cpio -vid

 popd
 
 for K8S_BIN in ${K8S_BINS[*]}; do

     IMG_NAME=vmware_photon_${DIST_VER}/${K8S_BIN}-amd64:v${K8S_VER}

     K8S_TAR_NAME=${K8S_BIN}-v${K8S_VER_REL}.tar

     docker build --rm -t ${IMG_NAME} -f ./Dockerfile.${K8S_BIN} .
     docker save -o ${K8S_TAR_NAME} ${IMG_NAME}

     gzip ${K8S_TAR_NAME}

     mv -f ${K8S_TAR_NAME}.gz ${STAGE_DIR}/docker_images/

 done
 

 
 #
 # K8S Pause container
 #

 PAUSE_IMG_NAME=vmware_photon_${DIST_VER}/pause-amd64:v${K8S_VER}

 PAUSE_TAR_NAME=k8s-pause-v${K8S_VER_REL}.tar

 
 PAUSE_IMG_ID=`docker images -q ${PAUSE_IMG_NAME} 2> /dev/null`
 if [[ ! -z "${PAUSE_IMG_ID}" ]]; then
     echo "Removing image ${PAUSE_IMG_NAME}"
     docker rmi -f ${PAUSE_IMG_NAME}
 fi
 
 docker build --rm -t ${PAUSE_IMG_NAME} -f ./Dockerfile.pause .
 docker save -o ${PAUSE_TAR_NAME} ${PAUSE_IMG_NAME}

 gzip ${PAUSE_TAR_NAME}

 mv -f ${PAUSE_TAR_NAME}.gz ${STAGE_DIR}/docker_images/

 rm -rf ./tmp