#!/bin/bash -e
 
 DIST_TAG=$1
 DIST_VER=$2
 SPEC_DIR=$3
 STAGE_DIR=$4
 ARCH=x86_64
 
 #
 # Docker image for kubernetes nginx ingress controller
 #
 NGINX_INC_VER=`cat ${SPEC_DIR}/nginx-ingress/nginx-ingress.spec | grep Version | cut -d: -f2 | tr -d ' '`
 NGINX_INC_VER_REL=${NGINX_INC_VER}-`cat ${SPEC_DIR}/nginx-ingress/nginx-ingress.spec | grep Release | cut -d: -f2 | tr -d ' ' | cut -d% -f1`
 NGINX_INC_RPM=nginx-ingress-${NGINX_INC_VER_REL}${DIST_TAG}.${ARCH}.rpm
 NGINX_INC_RPM_FILE=${STAGE_DIR}/RPMS/x86_64/${NGINX_INC_RPM}

 NGINX_INC_TAR=nginx-ingress-v${NGINX_INC_VER}.tar

 
 if [ ! -f ${NGINX_INC_RPM_FILE} ]
 then
     echo "nginx ingress RPM ${NGINX_INC_RPM_FILE} not found. Exiting.."
     exit 1
 fi
 

 IMG_NAME=vmware_photon_${DIST_VER}/nginx-ingress:v${NGINX_INC_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
 
 mkdir -p tmp/nginxinc
 cp ${NGINX_INC_RPM_FILE} tmp/nginxinc/
 pushd ./tmp/nginxinc
 rpm2cpio ${NGINX_INC_RPM} | cpio -vid
 popd
 docker build --rm -t ${IMG_NAME} -f Dockerfile.nginx-ingress .
 docker save -o ${NGINX_INC_TAR} ${IMG_NAME}

 gzip ${NGINX_INC_TAR}
 mv -f ${NGINX_INC_TAR}.gz ${STAGE_DIR}/

 
 rm -rf ./tmp