SAWADA Keiji
card_capto****@users*****
2006年 3月 29日 (水) 01:48:30 JST
Index: dlkit2/cl/disklessify diff -u dlkit2/cl/disklessify:1.1.2.1 dlkit2/cl/disklessify:1.1.2.2 --- dlkit2/cl/disklessify:1.1.2.1 Sun Mar 12 14:18:56 2006 +++ dlkit2/cl/disklessify Wed Mar 29 01:48:30 2006 @@ -1,13 +1,42 @@ #!/bin/sh +# -*- shell-script -*- +# disklessify - disklessify client; in NFS miniroot environemnt, +# search existing slice and copy them to new NFS volume. The NFS +# volume will be new root slice for future boot environment. +# +# Copyright (c) 2005-2006 SAWADA Keiji <card_capto****@users*****> +# Copyright (c) 2005-2006 teelime <teeli****@users*****> +# +# This program is free software and has two license options; GNU +# General Public License, or Common Development and Distribution +# License. You can and must select one when you redistribute and/or +# modify this program. Whatever you choose, this software comes with +# absolutely no warranty. -# Usage: cl.disklessify {[-probe] | -copy | -bootenv} +# NOTE: names of each slices in current and existing environment. +# system cannot hold more than one (potential) root slice. -CL_ROOT=/a +set -e + +#---------------------------------------------------------------------- +# subroutines echon() { printf "%s" "$@" } +perror() { + echo "ERROR: " "$@" + exit 1 +} + +usage() { + echo + echo "Usage: $0 {-probe | -copy | -bootenv}" + echo " (-probe option is default)" + exit 0 +} + backup_file() { file=${1:?} if [ ! -f "$file.localdisk" ]; then @@ -16,27 +45,28 @@ fi } +#---------------------------------------------------------------------- +# enumeration and checking routines + check_nfsroot() { mnttab=${1:-/etc/mnttab} - return 1 - while read spec mntpt fstype opts mnttime - do - if [ "x$mntpt" = x/ ]; then - if [ "x$fstype" = xnfs ]; then - echo "rootdir is nfs-mounted" - return 0 - else - echo "Error: rootdir is *NOT* nfs-mounted" - exit 1 - fi - fi + + echon "Checking root directory is NFS volume... " + while read spec mntpt fstype opts mnttime; do + if [ "x$mntpt" = x/ ]; then + if [ "x$fstype" = xnfs ]; then + echo "yes" + return 0 + else + echo "no"; perror "rootdir should be NFS volume" + fi + fi done < $mnttab - echo "Error: rootdir not found in $mnttab" - exit 1 + perror "rootdir not found in $mnttab" } -enum_slices() { - # Usage: enum_slices [/dev/dsk] +enum_slice_devices() { + # Usage: enum_slice_devices [/dev/dsk] devdsk=${1:-/dev/dsk} (cd $devdsk for s in c*d*s* c*t*d*s* @@ -44,7 +74,7 @@ test -L $s && echo $devdsk/$s done) } -#enum_slices +#enum_slice_devices find_spec_from_vfstab_by_mntpt() { # Usage: find_spec_from_vfstab_by_mntpt mntpt [/etc/vfstab] @@ -55,8 +85,8 @@ done < $vfstab } -devnode_for_dev() { - # Usage: devnode_for_dev device [lsout] +get_devnode_from_spec() { + # Usage: get_devnode_from_spec device [lsout] dev=${1:?} regex=`echo "$dev" | sed 's,/,\\\\/,g'` @@ -64,8 +94,8 @@ | sed -n "s/^.*${regex} -> .*\/devices\(\/.*\)\$/\1/p" } -dev_for_devnode() { - #Usage: dev_for_devnode node lsout +get_spec_from_devnode() { + #Usage: get_spec_from_devnode node lsout node=${1:?}; lsout=${2:?} regex=`echo "$node" | sed 's,/,\\\\/,g'` @@ -116,8 +146,8 @@ return 1 fi - rnode=`devnode_for_dev "/localdisk/$rdev"` - lnode=`devnode_for_dev "$ldev"` + rnode=`get_devnode_from_spec "/localdisk/$rdev"` + lnode=`get_devnode_from_spec "$ldev"` umount /localdisk if [ "x$rnode" = "x$lnode" ]; then @@ -131,64 +161,65 @@ fi } -#---------------------------------------------------------------------- +find_root_slice() { + echo "Searching for ufs slice(s) on local disk(s)... " + for ldev in `enum_slice_devices` + do + if slice_is_ufs "$ldev"; then + ufs_slices="$ufs_slices $ldev" + fi + done -mode=${1:--probe} + for ldev in $ufs_slices + do + echon "Checking if $ldev is root slice... " + if slice_is_root_slice "$ldev"; then + echo "yes"; root_slice="$ldev" + else + echo "no" + fi + done + if [ -z "$root_slice" ]; then + echo "Error: root slice not found"; exit 1 + fi -trandir=/dlkit -. $trandir/config.in + echo "Gathering /dev and vfstab info from root slice..." + mount -F ufs -o ro $root_slice /localdisk + (cd /localdisk + cp etc/vfstab $tmpfile.ldisk_vfstab + find ./dev -type l -ls > $tmpfile.ldisk_devlist) + (cd / + find ./dev -type l -ls > $tmpfile.curr_devlist) + umount /localdisk +} -check_nfsroot +enum_existing_slices() { + echo "Enuemerating existing slice(s) on local disk(s)... " + while read spec fsckdev mntpt fstype fsckpass mntflag opts; do + if [ ! "x$fstype" = xufs ]; then continue; fi -umount /localdisk > /dev/null 2>&1 -mkdir -p /localdisk + node=`get_devnode_from_spec "$spec" $tmpfile.ldisk_devlist` + if [ -z "$node" ]; then continue; fi -echo "Mounting $CL_ROOT on $SV_IPADDR:$SV_FIN_ROOT..." -umount $CL_ROOT > /dev/null 2>&1 -mount $SV_IPADDR:$SV_FIN_ROOT $CL_ROOT + c_dev=`get_spec_from_devnode "$node" $tmpfile.curr_devlist` + if [ -z "$c_dev" ]; then continue; fi -echo "Searching for ufs slice(s) on local disk(s)... " -for ldev in `enum_slices` -do - if slice_is_ufs "$ldev"; then - ufs_slices="$ufs_slices $ldev" - fi -done - -for ldev in $ufs_slices -do - echon "Checking if $ldev is root slice... " - if slice_is_root_slice "$ldev"; then - echo "yes"; root_slice="$ldev" - else - echo "no" - fi -done -if [ -z "$root_slice" ]; then - echo "Error: root slice not found"; exit 1 -fi - -echo "Gathering /dev and vfstab info from root slice..." -mount -F ufs -o ro $root_slice /localdisk -(cd /localdisk - cp etc/vfstab /tmp/.v.vfstab - find ./dev -type l -ls > /tmp/.v.ldisk_devlist) -(cd / - find ./dev -type l -ls > /tmp/.v.curr_devlist) -umount /localdisk + echo "Current $c_dev was $spec at $mntpt" + done < $tmpfile.ldisk_vfstab +} #---------------------------------------------------------------------- -# +# transferring local disk content -copy_local_disks() { - echo "Copying ufs directories on local disk(s)... " +transfer_existing_slices() { + echo "Copying existing slice(s) to NFS root... " while read spec fsckdev mntpt fstype fsckpass mntflag opts; do if [ ! "x$fstype" = xufs ]; then continue; fi - node=`devnode_for_dev "$spec" /tmp/.v.ldisk_devlist` + node=`get_devnode_from_spec "$spec" $tmpfile.ldisk_devlist` if [ -z "$node" ]; then continue; fi - c_dev=`dev_for_devnode "$node" /tmp/.v.curr_devlist` + c_dev=`get_spec_from_devnode "$node" $tmpfile.curr_devlist` if [ -z "$c_dev" ]; then continue; fi echo "" @@ -209,25 +240,9 @@ echo "Copied $c_dev ($mntpt)" umount /localdisk - done < /tmp/.v.vfstab -} - -enum_local_disks() { - echo "Enuemerating ufs directories on local disk(s)... " - while read spec fsckdev mntpt fstype fsckpass mntflag opts; do - if [ ! "x$fstype" = xufs ]; then continue; fi - - node=`devnode_for_dev "$spec" /tmp/.v.ldisk_devlist` - if [ -z "$node" ]; then continue; fi - - c_dev=`dev_for_devnode "$node" /tmp/.v.curr_devlist` - if [ -z "$c_dev" ]; then continue; fi - - echo "Current $c_dev was $spec at $mntpt" - done < /tmp/.v.vfstab + done < $tmpfile.ldisk_vfstab } - config_vfstab() { echo "Configuring /etc/vfstab..." @@ -241,6 +256,7 @@ s_option="$CL_MOUNT_OPTION" fi + # remove ufs entry (keeps other file system entry) while read line; do case "$line" in '#*') @@ -253,10 +269,11 @@ esac done < $CL_ROOT/etc/vfstab.localdisk > $CL_ROOT/etc/vfstab - echo "$SV_NAME:$SV_FIN_ROOT - / nfs - no $r_option" >> $CL_ROOT/etc/vfstab - - echo "$SV_NAME:$SV_SWAPFILE - $CL_SWAPFILE nfs - no $s_option" >> $CL_ROOT/etc/vfstab - echo "$CL_SWAPFILE - - swap - no -" >> $CL_ROOT/etc/vfstab + ( + echo "$SV_NAME:$SV_FIN_ROOT - / nfs - no $r_option" + echo "$SV_NAME:$SV_SWAPFILE - $CL_SWAPFILE nfs - no $s_option" + echo "$CL_SWAPFILE - - swap - no -" + ) >> $CL_ROOT/etc/vfstab } config_default_nfs() { @@ -271,23 +288,15 @@ config_autofs() { if [ ! -z "$CL_EXPORT_HOME_MODE" ]; then - #echo "Setting mode and ownership for $CL_NAME:/export/home..." echo "Setting mode and ownership for /export/home..." if [ ! -d "$CL_ROOT/export/home" ]; then - mkdir -p $CL_ROOT/export/home - chown root $CL_ROOT/export/home - chgrp root $CL_ROOT/export/home + mkdir -p $CL_ROOT/export/home + chown root $CL_ROOT/export/home + chgrp root $CL_ROOT/export/home fi chmod "$CL_EXPORT_HOME_MODE" $CL_ROOT/export/home fi } -network_iface() { - netstat -i | tail +2 | while read name mtu dest other; do - if [ ! "x$name" = xlo0 -a ! "x$dest" = xloopback ]; then - echo "$name"; break - fi - done -} setup_bootenv() { backup_file $CL_ROOT/etc/vfstab @@ -297,18 +306,40 @@ config_default_nfs config_autofs - # An allopathy + # TODO: An allopathy mkdir -p $CL_ROOT/etc/skel/.gnome2/panel2.d/default/launchers } +#---------------------------------------------------------------------- + +mode=${1:-"-probe"} + +CL_ROOT=/a +tmpfile=/tmp/disklessiy +trandir=/dlkit +. $trandir/config.in + +check_nfsroot + +umount /localdisk > /dev/null 2>&1 +mkdir -p /localdisk + +echo "Mounting $CL_ROOT on $SV_IPADDR:$SV_FIN_ROOT..." +umount $CL_ROOT > /dev/null 2>&1 +mount $SV_IPADDR:$SV_FIN_ROOT $CL_ROOT case "x$mode" in + x-probe) + find_root_slice + enum_existing_slices ;; x-copy) - copy_local_disks ;; + find_root_slice + transfer_existing_slices ;; x-bootenv) + find_root_slice setup_bootenv ;; *) - enum_local_disks ;; + usage ;; esac echo "Unmounting $CL_ROOT..."
