#!/bin/bash -e
 

 source common.inc
 

 DIST_TAG=$1
 DIST_VER=$2
 SPEC_DIR=$3
 STAGE_DIR=$4
 ARCH=x86_64
 
 #
 # Docker images for kubernetes-dns artifacts
 #
 K8S_DNS_VER=`cat ${SPEC_DIR}/kubernetes-dns/kubernetes-dns.spec | grep Version | cut -d: -f2 | tr -d ' '`
 K8S_DNS_VER_REL=${K8S_DNS_VER}-`cat ${SPEC_DIR}/kubernetes-dns/kubernetes-dns.spec | grep Release | cut -d: -f2 | tr -d ' ' | cut -d% -f1`
 K8S_DNS_RPM=kubernetes-dns-${K8S_DNS_VER_REL}${DIST_TAG}.${ARCH}.rpm
 K8S_DNS_RPM_FILE=${STAGE_DIR}/RPMS/x86_64/${K8S_DNS_RPM}
 K8S_DNS_BINS=(dnsmasq-nanny kube-dns sidecar)
 
 if [ ! -f ${K8S_DNS_RPM_FILE} ]
 then
     echo "Kubernetes DNS RPM ${K8S_DNS_RPM_FILE} not found. Exiting.."
     exit 1
 fi
 
 for K8S_BIN in ${K8S_DNS_BINS[*]}; do

     IMG_NAME=vmware/photon-${DIST_VER}-k8s-dns-${K8S_BIN}-amd64:${K8S_DNS_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/k8dns
 cp ${K8S_DNS_RPM_FILE} tmp/k8dns/
 pushd ./tmp/k8dns
 rpm2cpio ${K8S_DNS_RPM} | cpio -vid
 popd
 

 setup_repo
 

 for K8S_BIN in ${K8S_DNS_BINS[*]}; do

     IMG_NAME=vmware/photon-${DIST_VER}-k8s-dns-${K8S_BIN}-amd64:${K8S_DNS_VER}

     K8S_TAR_NAME=k8s-dns-${K8S_BIN}-${K8S_DNS_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
 
 rm -rf ./tmp