forked from pool/grub2
Accepting request 245532 from home:michael-chang:test
- update snapper plugin for rollback support * refresh grub2-snapper-plugin.sh OBS-URL: https://build.opensuse.org/request/show/245532 OBS-URL: https://build.opensuse.org/package/show/Base:System/grub2?expand=0&rev=107
This commit is contained in:
Michael Chang
Git OBS Bridge
parent
165a6b361f
commit
f605727964
@ -18,117 +18,148 @@ set -e
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grub_mkconfig="/usr/sbin/grub2-mkconfig"
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grub_mkrelpath="/usr/bin/grub2-mkrelpath"
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grub_script_check="/usr/bin/grub2-script-check"
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grub_setting="/etc/default/grub"
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grub_cfg="/boot/grub2/grub.cfg"
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grub_snapshot_cfg="/boot/grub2/snapshot_submenu.cfg"
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snapshot_submenu_name="snapshot_submenu.cfg"
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snapshot_menuentry_name="snapshot_menuentry.cfg"
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snapshot_menuentry_cfg="boot/grub2/${snapshot_menuentry_name}"
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snapper_snapshot_path="/.snapshots"
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snapshot_submenu_name="grub-snapshot.cfg"
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snapper_snapshots_cfg="${snapper_snapshot_path}/${snapshot_submenu_name}"
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rel_root=`"$grub_mkrelpath" /`
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# add hotkeys for s390. (bnc#885668)
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hotkey=
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incr_hotkey()
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{
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[ -n "$hotkey" ] || return
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expr $hotkey + 1
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}
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print_hotkey()
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{
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keys="123456789abdfgijklmnoprstuvwyz"
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if [ -z "$hotkey" ]||[ $hotkey -eq 0 ]||[ $hotkey -gt 30 ]; then
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return
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fi
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echo "--hotkey=$(expr substr $keys $hotkey 1)"
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}
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snapshot_submenu_refresh () {
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for s_dir in /.snapshots/*; do
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snapshot_submenu () {
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s_dir="$1"
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snapshot="${s_dir}/snapshot"
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snapper_cfg="${s_dir}/${snapshot_submenu_name}"
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num="`basename $s_dir`"
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if [ ! -d "$snapshot" ]; then
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rm -f "${snapper_cfg}"
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rm -f "${s_dir}/${snapshot_menuentry_name}"
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continue
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fi
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# bnc#864842 Important snapshots are not marked as such in grub2 menu
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# the format is "important distribution version (kernel_version, timestamp, pre/post)"
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cfgs="${s_dir}/${snapshot_menuentry_name} ${snapshot}/${snapshot_menuentry_cfg}"
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date=`xmllint --xpath '/snapshot/date/text()' "${s_dir}/info.xml" || echo ""`
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date=`echo $date | sed 's/\(.*\) \(.*\):.*/\1,\2/'`
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important=`xmllint --xpath "/snapshot/userdata[key='important']/value/text()" "${s_dir}/info.xml" || echo ""`
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date=`echo $date | sed 's/\(.*\) \(.*\):.*/\1T\2/'`
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important=`xmllint --xpath "/snapshot/userdata[key='important']/value/text()" "${s_dir}/info.xml" 2>/dev/null || echo ""`
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stype=`xmllint --xpath '/snapshot/type/text()' "${s_dir}/info.xml" || echo ""`
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kernel_ver=`readlink /boot/vmlinuz | sed 's/vmlinuz-\([^-]*\).*/\1/'`
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kernel_ver=`readlink ${snapshot}/boot/vmlinuz | sed -e 's/^vmlinuz-//' -e 's/-default$//'`
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if [ -z "$kernel_ver" -a -L ${snapshot}/boot/image ]; then
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kernel_ver=`readlink ${snapshot}/boot/image | sed -e 's/^image-//' -e 's/-default$//'`
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fi
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eval `cat ${snapshot}/etc/os-release`
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test "$important" = "yes" && important="*" || important=""
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test "$important" = "yes" && important="*" || important=" "
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test "$stype" = "single" && stype=""
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if test -n "$stype"; then
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title="${important}${NAME} $VERSION ($kernel_ver,$date,$stype)"
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else
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title="${important}${NAME} $VERSION ($kernel_ver,$date)"
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test -z "$stype" || stype=",$stype"
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desc=`xmllint --xpath '/snapshot/description/text()' "${s_dir}/info.xml" 2>/dev/null || echo ""`
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#test "$desc" = "timeline" && return 1
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test -z "$desc" || desc=",$desc"
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title="${important}${NAME} $VERSION ($kernel_ver,$date$stype$desc)"
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cat <<EOF
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if [ -f "${snapper_snapshot_path}/$num/snapshot/boot/grub2/grub.cfg" ]; then
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snapshot_found=true
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saved_subvol=\$btrfs_subvol
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menuentry `print_hotkey` "$title" "${snapper_snapshot_path}/$num/snapshot" "`$grub_mkrelpath ${snapper_snapshot_path}/${num}/snapshot`" {
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btrfs_subvol="\$2"
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extra_cmdline="rootflags=subvol=\$3"
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export extra_cmdline
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snapshot_num=$num
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export snapshot_num
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configfile "\$btrfs_subvol/boot/grub2/grub.cfg"
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btrfs_subvol=\$saved_subvol
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}
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fi
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cat <<EOF > "${snapper_cfg}.new"
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for x in $cfgs; do
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snap="${rel_root}${snapshot}"
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snap_cfg="${rel_root}\$x"
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EOF
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hotkey=`incr_hotkey`
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return 0
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}
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if [ -f "\$snap_cfg" ]; then
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snapshot_found=true
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submenu "$title" "\$snap" "\$snap_cfg" {
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set subvol="\$2"
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export subvol
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source "\$3"
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}
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break
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snapper_snapshots_cfg_refresh () {
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if [ ! -d "$snapper_snapshot_path" ]; then
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return
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fi
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for s_dir in ${snapper_snapshot_path}/*; do
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snapshot="${s_dir}/snapshot"
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# list only read-only snapshot (bnc#878528)
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if [ -w "$snapshot" ]; then
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continue
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fi
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if [ -r "${s_dir}/info.xml" -a -r "${s_dir}/snapshot/boot/grub2/grub.cfg" ]; then
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cs="${s_dir}\n${cs}"
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fi
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done
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EOF
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if grub2-script-check "${snapper_cfg}.new"; then
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mv -f "${snapper_cfg}.new" "${snapper_cfg}"
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fi
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hk=""
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[ -z "$hotkey" ] || hk="--hotkey=s"
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done
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for c in `echo -e "${cs}" | sort -Vr`; do
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if ! snapshot_submenu "$c" > "${c}/${snapshot_submenu_name}"; then
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rm -f "${c}/${snapshot_submenu_name}"
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continue
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fi
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snapshot_cfg="${snapshot_cfg}
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if [ -f "$c/${snapshot_submenu_name}"; then
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source "$c/${snapshot_submenu_name}"
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fi"
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done
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}
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grub_snapshot_cfg_refresh () {
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: > "${grub_snapshot_cfg}.tmp"
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for s_dir in /.snapshots/*; do
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snapshot="${s_dir}/snapshot"
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snapper_cfg="${s_dir}/${snapshot_submenu_name}"
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if [ -f "${snapper_cfg}" ]; then
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echo "source ${rel_root}${snapper_cfg}" >>"${grub_snapshot_cfg}.tmp"
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continue
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fi
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done
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cat <<EOF >"${grub_snapshot_cfg}.new"
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submenu "Bootable snapshots" {
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`sort -V "${grub_snapshot_cfg}.tmp"`
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if [ x\$snapshot_found != xtrue ]; then
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submenu "Not Found" {true}
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fi
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}
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EOF
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if grub2-script-check "${grub_snapshot_cfg}.new"; then
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mv -f "${grub_snapshot_cfg}.new" "${grub_snapshot_cfg}"
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cat <<EOF >"${snapper_snapshots_cfg}.new"
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if [ -z "\$extra_cmdline" ]; then
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submenu $hk "Start bootloader from a read-only snapshot" {${snapshot_cfg}
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if [ x\$snapshot_found != xtrue ]; then
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submenu "Not Found" { true; }
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fi
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}
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fi
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EOF
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if ${grub_script_check} "${snapper_snapshots_cfg}.new"; then
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mv -f "${snapper_snapshots_cfg}.new" "${snapper_snapshots_cfg}"
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fi
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}
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snapshot_submenu_clean () {
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for s_dir in /.snapshots/*; do
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for s_dir in ${snapper_snapshot_path}/*; do
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snapshot="${s_dir}/snapshot"
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snapper_cfg="${s_dir}/${snapshot_submenu_name}"
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if [ -f "$snapper_cfg" ]; then
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rm -f "$snapper_cfg"
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rmdir "$s_dir" 2>/dev/null || true
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fi
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done
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if [ -f "${snapper_snapshot_path}/${snapshot_submenu_name}" ]; then
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rm -f "${snapper_snapshot_path}/${snapshot_submenu_name}"
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fi
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}
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set_grub_setting () {
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@ -137,17 +168,32 @@ set_grub_setting () {
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val=$2
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if grep -q "$name" "$grub_setting"; then
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sed -i -e "s/.*\($name\)=.*/\1=$val/" "$grub_setting"
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sed -i -e "s!.*\($name\)=.*!\1=\"$val\"!" "$grub_setting"
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else
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echo "$name=$val" >> "$grub_setting"
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echo "$name=\"$val\"" >> "$grub_setting"
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fi
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}
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update_grub_cfg () {
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"$grub_mkconfig" -o "$grub_cfg"
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enable_grub_settings () {
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set_grub_setting SUSE_BTRFS_SNAPSHOT_BOOTING "true"
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}
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disable_grub_settings () {
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set_grub_setting SUSE_BTRFS_SNAPSHOT_BOOTING "false"
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}
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update_grub () {
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"${grub_mkconfig}" -o "${grub_cfg}"
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}
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machine=`uname -m`
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case "$machine" in
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(s390|s390x)
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hotkey=1
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;;
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esac
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cmdline="$0 $* hotkey='$hotkey'"
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# Check the arguments.
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while test $# -gt 0
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do
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@ -173,32 +219,20 @@ do
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done
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if [ "x${opt_enable}" = "xtrue" ]; then
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set_grub_setting SUSE_DISABLE_BOOTING_SNAPSHOT false
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set_grub_setting SUSE_ENABLE_CUSTOM_SNAPSHOT_SUBMENU true
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update_grub_cfg
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snapshot_submenu_refresh
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grub_snapshot_cfg_refresh
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#enable_grub_settings
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#update_grub
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snapper_snapshots_cfg_refresh
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elif [ "x${opt_enable}" = "xfalse" ]; then
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#disable_grub_settings
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update_grub
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snapshot_submenu_clean
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set_grub_setting SUSE_DISABLE_BOOTING_SNAPSHOT true
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set_grub_setting SUSE_ENABLE_CUSTOM_SNAPSHOT_SUBMENU false
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update_grub_cfg
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fi
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if [ x${opt_refresh} = "xtrue" ]; then
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snapshot_submenu_refresh
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grub_snapshot_cfg_refresh
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snapper_snapshots_cfg_refresh
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fi
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if [ x${opt_clean} = "xtrue" ]; then
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snapshot_submenu_clean
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grub_snapshot_cfg_refresh
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fi
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@ -1,3 +1,9 @@
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-------------------------------------------------------------------
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Thu Aug 21 06:10:07 UTC 2014 - mchang@suse.com
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- update snapper plugin for rollback support
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* refresh grub2-snapper-plugin.sh
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-------------------------------------------------------------------
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Fri Aug 15 07:55:54 UTC 2014 - mchang@suse.com
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