summaryrefslogtreecommitdiffstats
path: root/meta/classes/kernel-grub.bbclass
diff options
context:
space:
mode:
Diffstat (limited to 'meta/classes/kernel-grub.bbclass')
-rw-r--r--meta/classes/kernel-grub.bbclass105
1 files changed, 0 insertions, 105 deletions
diff --git a/meta/classes/kernel-grub.bbclass b/meta/classes/kernel-grub.bbclass
deleted file mode 100644
index 44b2015468..0000000000
--- a/meta/classes/kernel-grub.bbclass
+++ /dev/null
@@ -1,105 +0,0 @@
-#
-# While installing a rpm to update kernel on a deployed target, it will update
-# the boot area and the boot menu with the kernel as the priority but allow
-# you to fall back to the original kernel as well.
-#
-# - In kernel-image's preinstall scriptlet, it backs up original kernel to avoid
-# probable confliction with the new one.
-#
-# - In kernel-image's postinstall scriptlet, it modifies grub's config file to
-# updates the new kernel as the boot priority.
-#
-
-python __anonymous () {
- import re
-
- preinst = '''
- # Parsing confliction
- [ -f "$D/boot/grub/menu.list" ] && grubcfg="$D/boot/grub/menu.list"
- [ -f "$D/boot/grub/grub.cfg" ] && grubcfg="$D/boot/grub/grub.cfg"
- if [ -n "$grubcfg" ]; then
- # Dereference symlink to avoid confliction with new kernel name.
- if grep -q "/KERNEL_IMAGETYPE \+root=" $grubcfg; then
- if [ -L "$D/boot/KERNEL_IMAGETYPE" ]; then
- kimage=`realpath $D/boot/KERNEL_IMAGETYPE 2>/dev/null`
- if [ -f "$D$kimage" ]; then
- sed -i "s:KERNEL_IMAGETYPE \+root=:${kimage##*/} root=:" $grubcfg
- fi
- fi
- fi
-
- # Rename old kernel if it conflicts with new kernel name.
- if grep -q "/KERNEL_IMAGETYPE-${KERNEL_VERSION} \+root=" $grubcfg; then
- if [ -f "$D/boot/KERNEL_IMAGETYPE-${KERNEL_VERSION}" ]; then
- timestamp=`date +%s`
- kimage="$D/boot/KERNEL_IMAGETYPE-${KERNEL_VERSION}-$timestamp-back"
- sed -i "s:KERNEL_IMAGETYPE-${KERNEL_VERSION} \+root=:${kimage##*/} root=:" $grubcfg
- mv "$D/boot/KERNEL_IMAGETYPE-${KERNEL_VERSION}" "$kimage"
- fi
- fi
- fi
-'''
-
- postinst = '''
- get_new_grub_cfg() {
- grubcfg="$1"
- old_image="$2"
- title="Update KERNEL_IMAGETYPE-${KERNEL_VERSION}-${PV}"
- if [ "${grubcfg##*/}" = "grub.cfg" ]; then
- rootfs=`grep " *linux \+[^ ]\+ \+root=" $grubcfg -m 1 | \
- sed "s#${old_image}#${old_image%/*}/KERNEL_IMAGETYPE-${KERNEL_VERSION}#"`
-
- echo "menuentry \"$title\" {"
- echo " set root=(hd0,1)"
- echo "$rootfs"
- echo "}"
- elif [ "${grubcfg##*/}" = "menu.list" ]; then
- rootfs=`grep "kernel \+[^ ]\+ \+root=" $grubcfg -m 1 | \
- sed "s#${old_image}#${old_image%/*}/KERNEL_IMAGETYPE-${KERNEL_VERSION}#"`
-
- echo "default 0"
- echo "timeout 30"
- echo "title $title"
- echo "root (hd0,0)"
- echo "$rootfs"
- fi
- }
-
- get_old_grub_cfg() {
- grubcfg="$1"
- if [ "${grubcfg##*/}" = "grub.cfg" ]; then
- cat "$grubcfg"
- elif [ "${grubcfg##*/}" = "menu.list" ]; then
- sed -e '/^default/d' -e '/^timeout/d' "$grubcfg"
- fi
- }
-
- if [ -f "$D/boot/grub/grub.cfg" ]; then
- grubcfg="$D/boot/grub/grub.cfg"
- old_image=`grep ' *linux \+[^ ]\+ \+root=' -m 1 "$grubcfg" | awk '{print $2}'`
- elif [ -f "$D/boot/grub/menu.list" ]; then
- grubcfg="$D/boot/grub/menu.list"
- old_image=`grep '^kernel \+[^ ]\+ \+root=' -m 1 "$grubcfg" | awk '{print $2}'`
- fi
-
- # Don't update grubcfg at first install while old bzImage doesn't exist.
- if [ -f "$D/boot/${old_image##*/}" ]; then
- grubcfgtmp="$grubcfg.tmp"
- get_new_grub_cfg "$grubcfg" "$old_image" > $grubcfgtmp
- get_old_grub_cfg "$grubcfg" >> $grubcfgtmp
- mv $grubcfgtmp $grubcfg
- echo "Caution! Update kernel may affect kernel-module!"
- fi
-'''
-
- imagetypes = d.getVar('KERNEL_IMAGETYPES')
- imagetypes = re.sub(r'\.gz$', '', imagetypes)
-
- for type in imagetypes.split():
- typelower = type.lower()
- preinst_append = preinst.replace('KERNEL_IMAGETYPE', type)
- postinst_prepend = postinst.replace('KERNEL_IMAGETYPE', type)
- d.setVar('pkg_preinst:kernel-image-' + typelower + ':append', preinst_append)
- d.setVar('pkg_postinst:kernel-image-' + typelower + ':prepend', postinst_prepend)
-}
-