diff options
Diffstat (limited to 'meta/classes/kernel-grub.bbclass')
-rw-r--r-- | meta/classes/kernel-grub.bbclass | 105 |
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 5d92f3b636..0000000000 --- a/meta/classes/kernel-grub.bbclass +++ /dev/null | |||
@@ -1,105 +0,0 @@ | |||
1 | # | ||
2 | # While installing a rpm to update kernel on a deployed target, it will update | ||
3 | # the boot area and the boot menu with the kernel as the priority but allow | ||
4 | # you to fall back to the original kernel as well. | ||
5 | # | ||
6 | # - In kernel-image's preinstall scriptlet, it backs up original kernel to avoid | ||
7 | # probable confliction with the new one. | ||
8 | # | ||
9 | # - In kernel-image's postinstall scriptlet, it modifies grub's config file to | ||
10 | # updates the new kernel as the boot priority. | ||
11 | # | ||
12 | |||
13 | python __anonymous () { | ||
14 | import re | ||
15 | |||
16 | preinst = ''' | ||
17 | # Parsing confliction | ||
18 | [ -f "$D/boot/grub/menu.list" ] && grubcfg="$D/boot/grub/menu.list" | ||
19 | [ -f "$D/boot/grub/grub.cfg" ] && grubcfg="$D/boot/grub/grub.cfg" | ||
20 | if [ -n "$grubcfg" ]; then | ||
21 | # Dereference symlink to avoid confliction with new kernel name. | ||
22 | if grep -q "/KERNEL_IMAGETYPE \+root=" $grubcfg; then | ||
23 | if [ -L "$D/boot/KERNEL_IMAGETYPE" ]; then | ||
24 | kimage=`realpath $D/boot/KERNEL_IMAGETYPE 2>/dev/null` | ||
25 | if [ -f "$D$kimage" ]; then | ||
26 | sed -i "s:KERNEL_IMAGETYPE \+root=:${kimage##*/} root=:" $grubcfg | ||
27 | fi | ||
28 | fi | ||
29 | fi | ||
30 | |||
31 | # Rename old kernel if it conflicts with new kernel name. | ||
32 | if grep -q "/KERNEL_IMAGETYPE-${KERNEL_VERSION} \+root=" $grubcfg; then | ||
33 | if [ -f "$D/boot/KERNEL_IMAGETYPE-${KERNEL_VERSION}" ]; then | ||
34 | timestamp=`date +%s` | ||
35 | kimage="$D/boot/KERNEL_IMAGETYPE-${KERNEL_VERSION}-$timestamp-back" | ||
36 | sed -i "s:KERNEL_IMAGETYPE-${KERNEL_VERSION} \+root=:${kimage##*/} root=:" $grubcfg | ||
37 | mv "$D/boot/KERNEL_IMAGETYPE-${KERNEL_VERSION}" "$kimage" | ||
38 | fi | ||
39 | fi | ||
40 | fi | ||
41 | ''' | ||
42 | |||
43 | postinst = ''' | ||
44 | get_new_grub_cfg() { | ||
45 | grubcfg="$1" | ||
46 | old_image="$2" | ||
47 | title="Update KERNEL_IMAGETYPE-${KERNEL_VERSION}-${PV}" | ||
48 | if [ "${grubcfg##*/}" = "grub.cfg" ]; then | ||
49 | rootfs=`grep " *linux \+[^ ]\+ \+root=" $grubcfg -m 1 | \ | ||
50 | sed "s#${old_image}#${old_image%/*}/KERNEL_IMAGETYPE-${KERNEL_VERSION}#"` | ||
51 | |||
52 | echo "menuentry \"$title\" {" | ||
53 | echo " set root=(hd0,1)" | ||
54 | echo "$rootfs" | ||
55 | echo "}" | ||
56 | elif [ "${grubcfg##*/}" = "menu.list" ]; then | ||
57 | rootfs=`grep "kernel \+[^ ]\+ \+root=" $grubcfg -m 1 | \ | ||
58 | sed "s#${old_image}#${old_image%/*}/KERNEL_IMAGETYPE-${KERNEL_VERSION}#"` | ||
59 | |||
60 | echo "default 0" | ||
61 | echo "timeout 30" | ||
62 | echo "title $title" | ||
63 | echo "root (hd0,0)" | ||
64 | echo "$rootfs" | ||
65 | fi | ||
66 | } | ||
67 | |||
68 | get_old_grub_cfg() { | ||
69 | grubcfg="$1" | ||
70 | if [ "${grubcfg##*/}" = "grub.cfg" ]; then | ||
71 | cat "$grubcfg" | ||
72 | elif [ "${grubcfg##*/}" = "menu.list" ]; then | ||
73 | sed -e '/^default/d' -e '/^timeout/d' "$grubcfg" | ||
74 | fi | ||
75 | } | ||
76 | |||
77 | if [ -f "$D/boot/grub/grub.cfg" ]; then | ||
78 | grubcfg="$D/boot/grub/grub.cfg" | ||
79 | old_image=`grep ' *linux \+[^ ]\+ \+root=' -m 1 "$grubcfg" | awk '{print $2}'` | ||
80 | elif [ -f "$D/boot/grub/menu.list" ]; then | ||
81 | grubcfg="$D/boot/grub/menu.list" | ||
82 | old_image=`grep '^kernel \+[^ ]\+ \+root=' -m 1 "$grubcfg" | awk '{print $2}'` | ||
83 | fi | ||
84 | |||
85 | # Don't update grubcfg at first install while old bzImage doesn't exist. | ||
86 | if [ -f "$D/boot/${old_image##*/}" ]; then | ||
87 | grubcfgtmp="$grubcfg.tmp" | ||
88 | get_new_grub_cfg "$grubcfg" "$old_image" > $grubcfgtmp | ||
89 | get_old_grub_cfg "$grubcfg" >> $grubcfgtmp | ||
90 | mv $grubcfgtmp $grubcfg | ||
91 | echo "Caution! Update kernel may affect kernel-module!" | ||
92 | fi | ||
93 | ''' | ||
94 | |||
95 | imagetypes = d.getVar('KERNEL_IMAGETYPES') | ||
96 | imagetypes = re.sub(r'\.gz$', '', imagetypes) | ||
97 | |||
98 | for type in imagetypes.split(): | ||
99 | typelower = type.lower() | ||
100 | preinst_append = preinst.replace('KERNEL_IMAGETYPE', type) | ||
101 | postinst_prepend = postinst.replace('KERNEL_IMAGETYPE', type) | ||
102 | d.setVar('pkg_preinst_kernel-image-' + typelower + '_append', preinst_append) | ||
103 | d.setVar('pkg_postinst_kernel-image-' + typelower + '_prepend', postinst_prepend) | ||
104 | } | ||
105 | |||