X-Git-Url: https://git.grml.org/?p=grml-debootstrap.git;a=blobdiff_plain;f=grml-debootstrap;h=1cba99a69ddff28ea5d52127d1fc2e3480fa1bf6;hp=d456bce45e85fede1b8d4bb5390e98d5daf3667c;hb=95037fa5039580eb081bf568b479d04d1df58786;hpb=5ee5cac4d90c6437cc3dddbca41cc9d07d8d46fe diff --git a/grml-debootstrap b/grml-debootstrap index d456bce..1cba99a 100755 --- a/grml-debootstrap +++ b/grml-debootstrap @@ -7,8 +7,6 @@ ################################################################################ # http://www.debian.org/releases/stable/i386/index.html.en -set -e # exit on any error - # variables {{{ PN="$(basename $0)" VERSION="$(dpkg --list $PN 2>/dev/null| awk '/^i/ {print $3}')" @@ -28,11 +26,6 @@ export LC_ALL=C INTERACTIVE='' # }}} -# source core functions {{{ -. /etc/grml/lsb-functions -. /etc/grml/script-functions -# }}} - # help text {{{ usage() { echo "$PN - wrapper around debootstrap for installing Debian @@ -103,6 +96,120 @@ if [ "$1" = '-h' ] || [ "$1" = '-help' ] || [ "$1" = "--help" ] ; then fi # }}} +# early helper functions {{{ +GOOD='' +WARN='' +BAD='' +NORMAL='' +HILITE='' +BRACKET='' + +einfo() { + einfon "$1\n" + return 0 +} + +einfon() { + [ "${RC_ENDCOL}" != "yes" ] && [ "${LAST_E_CMD}" = "ebegin" ] && echo + printf " ${GOOD}*${NORMAL} $*" + LAST_E_CMD=einfon + return 0 +} + +eerror() { + [ "${RC_ENDCOL}" != "yes" ] && [ "${LAST_E_CMD}" = "ebegin" ] && echo + printf " ${BAD}*${NORMAL} $*\n" + LAST_E_CMD=eerror + return 0 +} + +eend() { + local retval="${1:-0}" + shift + if [ $retval -gt 0 ]; then + printf " ${BAD}-> Failed (rc=${retval})${NORMAL}\n" + fi + return $retval +} + +check4root(){ + if [ "$(id -u 2>/dev/null)" != 0 ] ; then + echo 1>&2 "Error: please run this script with uid 0 (root)." ; return 1 + fi +} + +check4progs(){ + local RC='' + for arg in $* ; do + which $arg >/dev/null 2>&1 || RC="$arg" + done + if [ -n "$RC" ] ; then + echo "$RC not installed" + return 1 + fi +} +# }}} + +# helper functions {{{ +# we want to exit smoothly and clean: +bailout(){ + # make sure $TARGET is not mounted when exiting grml-debootstrap + if [ -n "$MNTPOINT" ] ; then + if grep -q $MNTPOINT /proc/mounts ; then + # make sure nothing is left inside chroot so we can unmount it + [ -x "$MNTPOINT"/etc/init.d/ssh ] && "$MNTPOINT"/etc/init.d/ssh stop + [ -x "$MNTPOINT"/etc/init.d/mdadm ] && "$MNTPOINT"/etc/init.d/mdadm stop + # ugly, but make sure we really don't leave anything (/proc /proc is intended) + for ARG in /sys /proc /proc ; do + [ -x "$MNTPOINT"/bin/umount ] && chroot "$MNTPOINT" umount $ARG >/dev/null 2>&1 || true + done + umount "$MNTPOINT"/dev >/dev/null 2>&1 || true + + [ -d "$MNTPOINT/$ISODIR" ] && umount "$MNTPOINT/$ISODIR" >/dev/null 2>&1 || true + + if [ -n "$DIRECTORY" ] ; then + einfo "Not unmounting $MNTPOINT as you requested me to install into a directory of your own choice." ; eend 0 + else + einfo "Unmounting $MNTPOINT" ; umount "$MNTPOINT" ; eend $? + fi + + if [ -n "$STAGES" ] ; then + echo -n "Removing stages directory ${STAGES}: " + rm -rf "$STAGES" && echo done + fi + + # remove directory only if we used the default with process id inside the name + if echo "$MNTPOINT" | grep -q '/mnt/debootstrap\.' ; then + einfo "Removing directory ${MNTPOINT}" ; rmdir $MNTPOINT ; eend $? + fi + fi + fi + + if [ -n "${ORIG_TARGET}" ] ; then + einfo "Removing loopback mount of file ${ORIG_TARGET}." + kpartx -d "${ORIG_TARGET}" ; eend $? + fi + + [ -n "$1" ] && EXIT="$1" || EXIT="1" + [ -n "$3" ] && einfo "Notice: just remove $STAGES/$3 to reexecute the stage" + + exit "$EXIT" +} +trap bailout HUP INT QUIT TERM + +# we want to execute all the functions only once, simple check for it: +stage() { + if [ -n "$2" ] ; then + echo "$2" > "${STAGES}/${1}" + return 0 + elif grep -q done "${STAGES}/${1}" 2>/dev/null ; then + ewarn "Notice: stage $1 has been executed already, skipping execution therefore." ; eend 0 + ewarn " To reexecute it clean up the according directory inside $STAGES" ; eend 0 + return 1 + fi +} +# }}} + # make sure we have what we need {{{ check4progs debootstrap dialog || exit 1 # }}} @@ -226,7 +333,7 @@ fi welcome_dialog() { dialog --title "$PN" --yesno "Welcome to the interactive configuration of ${PN}. -Do you want to continue installing Debian using this frontend?" 0 0 +Do you want to continue installing Debian using this frontend?" 0 0 || bailout 0 } # }}} @@ -253,6 +360,7 @@ prompt_for_target() TARGET=$(dialog --title "$PN" --single-quoted --stdout \ --menu "Please select the target partition:" 0 0 0 \ $PARTITION_LIST) + [ $? -eq 0 ] || bailout } # }}} @@ -339,6 +447,7 @@ prompt_for_release() squeeze Debian/stable \ wheezy Debian/testing \ sid Debian/unstable)" + [ $? -eq 0 ] || bailout } # }}} @@ -348,6 +457,7 @@ prompt_for_hostname() HOSTNAME="$(dialog --stdout --title "${PN}" --inputbox \ "Please enter the hostname you would like to use for installation:" \ 0 0 $HOSTNAME)" + [ $? -eq 0 ] || bailout } # }}} @@ -359,9 +469,11 @@ prompt_for_password() while [ "$ROOTPW1" != "$ROOTPW2" ]; do ROOTPW1=$(dialog --insecure --stdout --title "${PN}" --passwordbox \ "Please enter the password for the root account:" 10 60) + [ $? -eq 0 ] || bailout ROOTPW2=$(dialog --insecure --stdout --title "${PN}" --passwordbox \ "Please enter the password for the root account again for \ confirmation:" 10 60) + [ $? -eq 0 ] || bailout if [ "$ROOTPW1" != "$ROOTPW2" ]; then $(dialog --stdout --title "${PN}" --ok-label \ @@ -382,17 +494,20 @@ prompt_for_mirror() net "install via network (downloading from mirror)" \ local "install from local directory/mirror" ) + [ $? -eq 0 ] || bailout if [ "$CHOOSE_MIRROR" = 'net' ] ; then [ -n "$MIRROR" ] || MIRROR='http://cdn.debian.net/debian' MIRROR="$(dialog --stdout --title "${PN}" --inputbox \ "Please enter Debian mirror you would like to use for installing packages." \ 0 0 $MIRROR)" + [ $? -eq 0 ] || bailout else # CHOOSE_MIRROR == local [ -n "$ISO" ] || ISO='/mnt/mirror' ISO="$(dialog --stdout --title "${PN}" --inputbox \ "Please enter directory name you would like to use for installing packages." \ 0 0 $ISO)" + [ $? -eq 0 ] || bailout fi } # }}} @@ -435,6 +550,7 @@ PARTITION_LIST=$(for i in $(echo $AVAILABLE_PARTITIONS) ; do dialog --title "$PN" --separate-output \ --checklist "Please select the partitions you would like to use for your $RAIDLEVEL on ${TARGET}:" 0 0 0 \ $PARTITION_LIST 2>$TMPFILE +[ $? -eq 0 ] || bailout RETVAL=$? SELECTED_PARTITIONS="$(cat $TMPFILE)" @@ -450,13 +566,9 @@ if [ $RELEASE = "lenny" ]; then fi ERRORFILE=$(mktemp) -set +e -# TODO: better error handling? yes | mdadm --create "${TARGET}" --level="${RAIDLEVEL}" \ --raid-devices="${NUM_PARTITIONS}" ${METADATA_VERSION} ${SELECTED_PARTITIONS} >/dev/null 2>$ERRORFILE RC=$? -set -e - if [ "$RC" = 0 ] ; then dialog --title "$PN" --msgbox \ "Creating $TARGET was successful." 0 0 @@ -497,6 +609,7 @@ Last chance to quit. Timeout of 10 seconds running.... Do you want to stop now?" 0 0 2>/dev/null } +# }}} # make sure the user is aware of the used configuration {{{ checkconfiguration() @@ -529,6 +642,7 @@ Is this ok for you? Notice: selecting 'No' will exit ${PN}." dialog --title "$PN" --no-collapse \ --yesno "$INFOTEXT" 0 0 + [ $? -eq 0 ] || bailout 0 else # if not running automatic installation display configuration and prompt for execution: einfo "$PN - Please recheck configuration before execution:" @@ -688,68 +802,6 @@ ISODIR=${ISO##file:} ISODIR=${ISODIR%%/} # }}} -# helper functions {{{ -# we want to exit smoothly and clean: -bailout(){ - # make sure $TARGET is not mounted when exiting grml-debootstrap - if [ -n "$MNTPOINT" ] ; then - if grep -q $MNTPOINT /proc/mounts ; then - # make sure nothing is left inside chroot so we can unmount it - [ -x "$MNTPOINT"/etc/init.d/ssh ] && "$MNTPOINT"/etc/init.d/ssh stop - [ -x "$MNTPOINT"/etc/init.d/mdadm ] && "$MNTPOINT"/etc/init.d/mdadm stop - # ugly, but make sure we really don't leave anything (/proc /proc is intended) - for ARG in /sys /proc /proc ; do - [ -x "$MNTPOINT"/bin/umount ] && chroot "$MNTPOINT" umount $ARG >/dev/null 2>&1 || true - done - umount "$MNTPOINT"/dev >/dev/null 2>&1 || true - - [ -d "$MNTPOINT/$ISODIR" ] && umount "$MNTPOINT/$ISODIR" >/dev/null 2>&1 || true - - if [ -n "$DIRECTORY" ] ; then - einfo "Not unmounting $MNTPOINT as you requested me to install into a directory of your own choice." ; eend 0 - else - einfo "Unmounting $MNTPOINT" ; umount "$MNTPOINT" ; eend $? - fi - - if [ -n "$STAGES" ] ; then - echo -n "Removing stages directory ${STAGES}: " - rm -rf "$STAGES" && echo done - fi - - # remove directory only if we used the default with process id inside the name - if echo "$MNTPOINT" | grep -q '/mnt/debootstrap\.' ; then - einfo "Removing directory ${MNTPOINT}" ; rmdir $MNTPOINT ; eend $? - fi - fi - fi - - if [ -n "${ORIG_TARGET}" ] ; then - einfo "Removing loopback mount of file ${ORIG_TARGET}." - kpartx -d "${ORIG_TARGET}" ; eend $? - fi - - [ -n "$1" ] && EXIT="$1" || EXIT="1" - [ -n "$3" ] && einfo "Notice: just remove $STAGES/$3 to reexecute the stage" - - exit "$EXIT" -} -trap bailout HUP INT QUIT TERM - -# we want to execute all the functions only once, simple check for it: -stage() { - if [ -n "$2" ] ; then - echo "$2" > "${STAGES}/${1}" - return 0 - elif grep -q done "${STAGES}/${1}" 2>/dev/null ; then - ewarn "Notice: stage $1 has been executed already, skipping execution therefore." ; eend 0 - eindent - ewarn "To reexecute it clean up the according directory inside $STAGES" ; eend 0 - eoutdent - return 1 - fi -} -# }}} - # create filesystem {{{ mkfs() { if [ -n "$DIRECTORY" ] ; then