slitaz-modular annotate initramfs/init @ rev 13
Add rootuuid support into init. Also started copying initramfs to /mnt/memory/initramfs to save space. Updated linuxrc to support /memory/initramfs in union.
| author | Christopher Rogers <slaxemulator@gmail.com> |
|---|---|
| date | Thu Dec 16 08:53:50 2010 +0000 (2010-12-16) |
| parents | 6d654d523ac8 |
| children | 5dd7947d1eeb |
| rev | line source |
|---|---|
| slaxemulator@0 | 1 #!/bin/sh |
| slaxemulator@0 | 2 |
| slaxemulator@0 | 3 launch_init() |
| slaxemulator@0 | 4 { |
| slaxemulator@0 | 5 echo -e "\\033[70G[ \\033[1;33mOK\\033[0;39m ]" |
| slaxemulator@0 | 6 exec /sbin/switch_root mnt /sbin/init |
| slaxemulator@0 | 7 } |
| slaxemulator@0 | 8 |
| slaxemulator@0 | 9 launch_init_modular() |
| slaxemulator@0 | 10 { |
| slaxemulator@0 | 11 echo -e "\\033[70G[ \\033[1;33mOK\\033[0;39m ]" |
| slaxemulator@13 | 12 [ -d /mnt/memory/initramfs ] || mkdir -p /mnt/memory/initramfs |
| slaxemulator@13 | 13 SYS_DIR="dev bin etc boot lib sbin home root usr var" |
| slaxemulator@13 | 14 for dir in $SYS_DIR; do |
| slaxemulator@13 | 15 cp -a /$dir /mnt/memory/initramfs |
| slaxemulator@13 | 16 done |
| slaxemulator@13 | 17 MK_DIR="sys proc tmp media mnt" |
| slaxemulator@13 | 18 for dir1 in $MK_DIR; do |
| slaxemulator@13 | 19 mkdir -p /mnt/memory/initramfs/$dir |
| slaxemulator@13 | 20 done |
| slaxemulator@0 | 21 exec /sbin/switch_root mnt /linuxrc |
| slaxemulator@0 | 22 } |
| slaxemulator@0 | 23 |
| slaxemulator@0 | 24 failed() |
| slaxemulator@0 | 25 { |
| slaxemulator@0 | 26 echo -e "\\033[70G[ \\033[1;31mFailed\\033[0;39m ]" |
| slaxemulator@0 | 27 } |
| slaxemulator@0 | 28 |
| slaxemulator@0 | 29 try_init() |
| slaxemulator@0 | 30 { |
| slaxemulator@0 | 31 if [ ! -d /mnt/etc ] && grep -q cryptoroot= /proc/cmdline; then |
| slaxemulator@0 | 32 modprobe dm-mod |
| slaxemulator@0 | 33 modprobe dm-crypt |
| slaxemulator@0 | 34 modprobe aes-i586 |
| slaxemulator@0 | 35 root="$(sed 's/.*cryptoroot=\([^ ]*\).*/\1/' < /proc/cmdline)" |
| slaxemulator@0 | 36 dev=${root#/dev/} |
| slaxemulator@0 | 37 dmlabel=crypto-$dev |
| slaxemulator@0 | 38 if cryptsetup isLuks $root 2> /dev/null; then |
| slaxemulator@0 | 39 cryptsetup luksOpen $root $dmlabel |
| slaxemulator@0 | 40 else |
| slaxemulator@0 | 41 read -s -t 60 -p "Pass phrase : " passphrase |
| slaxemulator@0 | 42 key=$(echo $passphrase | hashalot -x -n 32 sha512) |
| slaxemulator@0 | 43 blocks=$(cat $(find /sys/block | grep /$dev/size)) |
| slaxemulator@0 | 44 echo 0 $blocks crypt aes-plain $key 0 $root 0 | \ |
| slaxemulator@0 | 45 dmsetup create $dmlabel |
| slaxemulator@0 | 46 fi |
| slaxemulator@0 | 47 mount /dev/mapper/$dmlabel /mnt |
| slaxemulator@0 | 48 fi |
| slaxemulator@0 | 49 if [ -d /mnt/etc ]; then |
| slaxemulator@0 | 50 umount /sys |
| slaxemulator@0 | 51 [ -n "$1" ] && for i in $@ ; do |
| slaxemulator@0 | 52 cp -a $i /mnt$(dirname $i) |
| slaxemulator@0 | 53 done |
| slaxemulator@0 | 54 umount /proc |
| slaxemulator@0 | 55 launch_init |
| slaxemulator@0 | 56 fi |
| slaxemulator@0 | 57 failed |
| slaxemulator@0 | 58 } |
| slaxemulator@0 | 59 |
| slaxemulator@0 | 60 mount_mapper() |
| slaxemulator@0 | 61 { |
| slaxemulator@0 | 62 mount $root /mnt |
| slaxemulator@0 | 63 try_init /dev/mapper $@ |
| slaxemulator@0 | 64 } |
| slaxemulator@0 | 65 |
| slaxemulator@0 | 66 lvmsetup() |
| slaxemulator@0 | 67 { |
| slaxemulator@0 | 68 if grep -q lvmroot= /proc/cmdline; then |
| slaxemulator@0 | 69 modprobe dm-mod |
| slaxemulator@0 | 70 vgscan --ignorelockingfailure |
| slaxemulator@0 | 71 vgchange -ay --ignorelockingfailure |
| slaxemulator@0 | 72 root="/dev/mapper/$(sed 's/.*lvmroot=\([^ ]*\).*/\1/' < /proc/cmdline)" |
| slaxemulator@0 | 73 return 0 |
| slaxemulator@0 | 74 fi |
| slaxemulator@0 | 75 return 1 |
| slaxemulator@0 | 76 } |
| slaxemulator@0 | 77 |
| slaxemulator@0 | 78 load_raid() |
| slaxemulator@0 | 79 { |
| slaxemulator@0 | 80 while read line; do |
| slaxemulator@0 | 81 case "$line" in |
| slaxemulator@0 | 82 *raid10*) modprobe raid10 ;; |
| slaxemulator@0 | 83 *raid0*) modprobe raid0 ;; |
| slaxemulator@0 | 84 *raid1*) modprobe raid1 ;; |
| slaxemulator@0 | 85 *raid[456]*) modprobe raid456 ;; |
| slaxemulator@0 | 86 esac |
| slaxemulator@0 | 87 done |
| slaxemulator@0 | 88 } |
| slaxemulator@0 | 89 |
| slaxemulator@0 | 90 mount -t proc proc /proc |
| slaxemulator@0 | 91 mount -t sysfs sysfs /sys |
| slaxemulator@0 | 92 if grep -q dmraid= /proc/cmdline; then |
| slaxemulator@0 | 93 root="$(sed 's/.*dmraid=\([^ ]*\).*/\1/' < /proc/cmdline)" |
| slaxemulator@0 | 94 echo -n "Switching / to dmraid $root..." |
| slaxemulator@0 | 95 dmraid -s | grep ^type | awk '{ print $3 }' | load_raid |
| slaxemulator@0 | 96 case "$root" in |
| slaxemulator@0 | 97 /dev/*);; |
| slaxemulator@0 | 98 *) root=/dev/mapper/$(dmraid -s|grep ^name|awk '{print $3}')p${root#p};; |
| slaxemulator@0 | 99 esac |
| slaxemulator@0 | 100 dmraid -ay |
| slaxemulator@0 | 101 lvmsetup |
| slaxemulator@0 | 102 mount_mapper |
| slaxemulator@0 | 103 fi |
| slaxemulator@0 | 104 if grep -q softraid= /proc/cmdline; then |
| slaxemulator@0 | 105 root="$(sed 's/.*softraid=\([^ ]*\).*/\1/' < /proc/cmdline)" |
| slaxemulator@0 | 106 echo -n "Switching / to softraid $root..." |
| slaxemulator@0 | 107 mdadm --examine --scan --config=partitions > /etc/mdadm.conf |
| slaxemulator@0 | 108 grep level=raid /etc/mdadm.conf | load_raid |
| slaxemulator@0 | 109 mdadm --assemble --scan |
| slaxemulator@0 | 110 lvmsetup |
| slaxemulator@0 | 111 mount_mapper /etc/mdadm.conf |
| slaxemulator@0 | 112 fi |
| slaxemulator@0 | 113 if lvmsetup; then |
| slaxemulator@0 | 114 echo -n "Switching / to lvm $root..." |
| slaxemulator@0 | 115 mount_mapper |
| slaxemulator@0 | 116 fi |
| slaxemulator@0 | 117 if grep -q loopfs= /proc/cmdline; then |
| slaxemulator@0 | 118 loopfs="$(sed 's/.*loopfs=\([^ ]*\).*/\1/' < /proc/cmdline)" |
| slaxemulator@0 | 119 dev=${loopfs%,*} |
| slaxemulator@0 | 120 loopfs=${loopfs#*,} |
| slaxemulator@0 | 121 echo -n "Switching / to loop $loopfs on $dev..." |
| slaxemulator@0 | 122 if ! mount $dev /mnt; then |
| slaxemulator@0 | 123 if echo $dev | grep -q "/dev/sd"; then |
| slaxemulator@0 | 124 delay=`cat /sys/module/usb_storage/parameters/delay_use` |
| slaxemulator@0 | 125 delay=$((1+$delay)) |
| slaxemulator@0 | 126 echo -n "sleep for $delay seconds..." |
| slaxemulator@0 | 127 sleep $delay |
| slaxemulator@0 | 128 fi |
| slaxemulator@0 | 129 mount $dev /mnt || loopfs="" |
| slaxemulator@0 | 130 fi |
| slaxemulator@0 | 131 if [ -n "$loopfs" ]; then |
| slaxemulator@0 | 132 losetup /dev/loop0 /mnt/$loopfs |
| slaxemulator@0 | 133 mount /dev/loop0 /mnt 2> /dev/null |
| slaxemulator@0 | 134 fi |
| slaxemulator@0 | 135 try_init |
| slaxemulator@0 | 136 fi |
| slaxemulator@0 | 137 grep -q cryptoroot= /proc/cmdline && try_init |
| slaxemulator@13 | 138 if grep -q rootuuid= /proc/cmdline; then |
| slaxemulator@13 | 139 root="$(sed 's/.*rootuuid=\([^ ]*\).*/\1/' < /proc/cmdline)" |
| slaxemulator@13 | 140 mount $(blkid | grep $root | sed 's/:.*//') /mnt && try_init |
| slaxemulator@13 | 141 fi |
| slaxemulator@0 | 142 umount /sys |
| slaxemulator@0 | 143 echo -n "Switching / to tmpfs..." |
| slaxemulator@0 | 144 size="$(grep rootfssize= < /proc/cmdline | \ |
| slaxemulator@0 | 145 sed 's/.*rootfssize=\([0-9]*[kmg%]\).*/-o size=\1/')" |
| slaxemulator@0 | 146 free=$(busybox free | busybox awk '/Mem:/ { print int(($4*100)/$3) }') |
| slaxemulator@0 | 147 umount /proc |
| slaxemulator@0 | 148 [ -n "$size" ] || size="-o size=90%" |
| slaxemulator@0 | 149 if [ $free -lt 100 ] || ! mount -t tmpfs $size tmpfs /mnt; then |
| slaxemulator@0 | 150 echo -e "\\033[70G[ \\033[1;33mSkipped\\033[0;39m]" |
| slaxemulator@0 | 151 exec /sbin/init |
| slaxemulator@0 | 152 fi |
| slaxemulator@0 | 153 for i in $(ls -a /); do |
| slaxemulator@0 | 154 case "$i" in |
| slaxemulator@0 | 155 .|..) ;; |
| slaxemulator@0 | 156 mnt) mkdir /mnt/mnt;; |
| slaxemulator@0 | 157 *) if ! cp -a /$i /mnt 2> /dev/null; then |
| slaxemulator@0 | 158 failed |
| slaxemulator@0 | 159 umount /mnt |
| slaxemulator@0 | 160 exec /sbin/init |
| slaxemulator@0 | 161 fi;; |
| slaxemulator@0 | 162 esac |
| slaxemulator@0 | 163 done |
| slaxemulator@0 | 164 launch_init_modular |