support/dockerfiles/k8s-docker-images/build-k8s-docker-images.sh
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 #!/bin/bash -e
 
 DIST_TAG=$1
 DIST_VER=$2
 SPEC_DIR=$3
 STAGE_DIR=$4
 ARCH=x86_64
 
 #
 # Docker images for kubernetes artifacts
 #
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 for file in ${SPEC_DIR}/kubernetes/kubernetes-*.spec; do
     K8S_VER=`cat ${file} | grep "^Version:" | cut -d: -f2 | tr -d ' '`
     K8S_VER_REL=${K8S_VER}-`cat ${file} | grep "^Release:" | cut -d: -f2 | tr -d ' ' | cut -d% -f1`
     K8S_RPM=kubernetes-${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}
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     if [ ! -f ${K8S_RPM_FILE} ]
     then
         echo "Kubernetes RPM ${K8S_RPM_FILE} not found. Exiting.."
         exit 1
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     fi
 
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     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
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     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
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     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 ${STAGE_DIR}/docker_images/
     done
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     #
     # K8S Pause container
     #
     PAUSE_IMG_NAME=vmware/photon-${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
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     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/
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     rm -rf ./tmp
 done