mirror of https://github.com/ceph/ceph
66 lines
1.6 KiB
Bash
66 lines
1.6 KiB
Bash
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#!/bin/bash
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die() {
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echo ${@}
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exit 1
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}
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usage()
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{
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cat << EOF
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$0: sets up a chroot environment for building the ceph server
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usage:
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-h Show this message
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-r [install_dir] location of the root filesystem to install to
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example: -r /images/sepia/
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-s [src_dir] location of the directory with the source code
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example: -s ./src/ceph
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EOF
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}
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cleanup() {
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umount -l "${INSTALL_DIR}/mnt/tmp"
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umount -l "${INSTALL_DIR}/proc"
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umount -l "${INSTALL_DIR}/sys"
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}
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INSTALL_DIR=
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SRC_DIR=
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while getopts “hr:s:” OPTION; do
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case $OPTION in
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h) usage; exit 1 ;;
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r) INSTALL_DIR=$OPTARG ;;
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s) SRC_DIR=$OPTARG ;;
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?) usage; exit
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;;
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esac
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done
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[ $EUID -eq 0 ] || die "This script uses chroot, which requires root permissions."
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[ -d "${INSTALL_DIR}" ] || die "No such directory as '${INSTALL_DIR}'. \
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You must specify an install directory with -r"
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[ -d "${SRC_DIR}" ] || die "no such directory as '${SRC_DIR}'. \
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You must specify a source directory with -s"
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readlink -f ${SRC_DIR} || die "readlink failed on ${SRC_DIR}"
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ABS_SRC_DIR=`readlink -f ${SRC_DIR}`
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trap cleanup INT TERM EXIT
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mount --bind "${ABS_SRC_DIR}" "${INSTALL_DIR}/mnt/tmp" || die "bind mount failed"
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mount -t proc none "${INSTALL_DIR}/proc" || die "mounting proc failed"
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mount -t sysfs none "${INSTALL_DIR}/sys" || die "mounting sys failed"
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echo "$0: starting chroot."
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echo "cd /mnt/tmp before building"
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echo
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chroot ${INSTALL_DIR} env HOME=/mnt/tmp /bin/bash
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echo "$0: exiting chroot."
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exit 0
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