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os/scripts/mk-initrd.sh
2016-05-06 10:58:54 -07:00

75 lines
2.8 KiB
Bash
Executable File

#!/bin/bash
set -ex
TARGET=$(pwd)/${1}
SUFFIX=${SUFFIX:-""}
HOST_SUFFIX=${HOST_SUFFIX:-""}
DFS_IMAGE=${DFS_IMAGE:?"DFS_IMAGE not set"}
IS_ROOTFS=${IS_ROOTFS:-0}
cd $(dirname $0)/..
. scripts/build-common
INITRD_DIR=${BUILD}/initrd
rm -rf ${INITRD_DIR}/{usr,init}
mkdir -p ${INITRD_DIR}/usr/{bin,share/ros}
mkdir -p ${INITRD_DIR}/var/lib/system-docker
mkdir -p ${INITRD_DIR}/usr/etc/selinux/ros/{policy,contexts}
if [ "$IS_ROOTFS" == "0" ]; then
cp -rf ${BUILD}/kernel/lib ${INITRD_DIR}/usr/
fi
cp assets/docker ${INITRD_DIR}/usr/bin/docker
if [ "$IS_ROOTFS" == "0" ]; then
cp ${BUILD}/images.tar ${INITRD_DIR}/usr/share/ros/
fi
cp build/os-config.yml ${INITRD_DIR}/usr/share/ros/
cp bin/ros ${INITRD_DIR}/usr/bin/
ln -s usr/bin/ros ${INITRD_DIR}/init
ln -s bin ${INITRD_DIR}/usr/sbin
ln -s usr/sbin ${INITRD_DIR}/sbin
cp assets/selinux/config ${INITRD_DIR}/usr/etc/selinux/
cp assets/selinux/policy.29 ${INITRD_DIR}/usr/etc/selinux/ros/policy/
cp assets/selinux/seusers ${INITRD_DIR}/usr/etc/selinux/ros/
cp assets/selinux/lxc_contexts ${INITRD_DIR}/usr/etc/selinux/ros/contexts/
cp assets/selinux/failsafe_context ${INITRD_DIR}/usr/etc/selinux/ros/contexts/
if [ "$ARCH" == "amd64" ]; then
KERNEL_RELEASE=$(tar xvf assets/modules.tar.gz -C ${INITRD_DIR} | cut -f4 -d/ | cut -f1 -d ' ')
depmod -a -b ${INITRD_DIR}/usr $KERNEL_RELEASE
fi
DFS_ARCH=$(docker create ${DFS_IMAGE}${SUFFIX})
trap "docker rm -fv ${DFS_ARCH}" EXIT
docker export ${DFS_ARCH} | tar xvf - -C ${INITRD_DIR} --exclude=usr/bin/dockerlaunch \
--exclude=usr/bin/docker \
--exclude=usr/share/git-core \
--exclude=usr/bin/git \
--exclude=usr/bin/ssh \
--exclude=usr/libexec/git-core \
usr
if [ "$IS_ROOTFS" == "1" ]; then
DFS=$(docker run -d --privileged -v /lib/modules/$(uname -r):/lib/modules/$(uname -r) ${DFS_IMAGE}${HOST_SUFFIX})
trap "docker rm -fv ${DFS_ARCH} ${DFS}" EXIT
docker exec -i ${DFS} docker load < ${BUILD}/images.tar
docker stop ${DFS}
docker run --rm --volumes-from=${DFS} rancher/os-dapper-base tar -c -C /var/lib/docker ./image | tar -x -C ${INITRD_DIR}/var/lib/system-docker
docker run --rm --volumes-from=${DFS} rancher/os-dapper-base tar -c -C /var/lib/docker ./overlay | tar -x -C ${INITRD_DIR}/var/lib/system-docker
cd ${INITRD_DIR}
tar -czf ${TARGET} .
else
COMPRESS=lzma
[ "$DEV_BUILD" == "1" ] && COMPRESS="gzip -1"
cd ${INITRD_DIR}
find | cpio -H newc -o | ${COMPRESS} > ${TARGET}
fi