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Diffstat (limited to 'etc/rc.diskless1')
| -rw-r--r-- | etc/rc.diskless1 | 225 |
1 files changed, 0 insertions, 225 deletions
diff --git a/etc/rc.diskless1 b/etc/rc.diskless1 deleted file mode 100644 index 1499d66..0000000 --- a/etc/rc.diskless1 +++ /dev/null @@ -1,225 +0,0 @@ -# Copyright (c) 1999-2002 Matt Dillion. Terms and conditions based on -# the FreeBSD copyright as found at the base of the source distribution. -# -# $FreeBSD$ -# -# /etc/rc.diskless1 - general BOOTP startup -# -# On entry to this script the entire system consists of a read-only root -# mounted via NFS. We use the contents of /conf to create and populate -# memory filesystems. The kernel has run BOOTP and configured an interface -# (otherwise it would not have been able to mount the NFS root!) -# -# The following directories are scanned. Each sucessive directory overrides -# (is merged into) the previous one. -# -# /conf/base universal base -# /conf/default modified by a secondary universal base -# /conf/${ipba} modified based on the assigned broadcast IP -# /conf/${ip} modified based on the machine's assigned IP -# -# Each of these directories may contain any number of subdirectories which -# represent directories in / on the diskless machine. The existance of -# these subdirectories causes this script to create a MEMORY FILESYSTEM for -# /<sub_directory_name>. For example, if /conf/base/etc exists then a -# memory filesystem will be created for /etc. -# -# If a subdirectory contains the file 'diskless_remount' the contents of -# the file is used to remount the subdirectory prior to it being copied to -# the memory filesystem. For example, if /conf/base/etc/diskless_remount -# contains the string 'my.server.com:/etc' then my.server.com:/etc will be -# mounted in place of the subdirectory. This allows you to avoid making -# duplicates of system directories in /conf. -# -# If a subdirectory contains the file 'md_size', the contents of the -# file is used to determine the size of the memory filesystem, in 512 -# byte sectors. The default is 8192 (4MB). You only have to specify an -# md_size if the default doesn't work for you (i.e. if it is too big or -# too small). Note that in -current the default is 4096 (2MB). For -# example, /conf/base/etc/md_size might contain '16384'. -# -# If /conf/<special_dir>/SUBDIR.cpio.gz exists, the file is cpio'd into -# the specified /SUBDIR (and a memory filesystem is created for /SUBDIR -# if necessary). -# -# If /conf/<special_dir>/SUBDIR.remove exists, the file contains a list -# of paths which are rm -rf'd relative to /SUBDIR. -# -# You will almost universally want to create a /conf/base/etc containing -# a diskless_remount and possibly an md_size file. You will then almost -# universally want to override rc.conf, rc.local, and fstab by creating -# /conf/default/etc/{rc.conf,rc.local,fstab}. Your fstab should be sure -# to mount a /usr... typically an NFS readonly /usr. -# -# NOTE! rc.diskless2 will create /var, /tmp, and /dev. Those filesystems -# should not be specified in /conf. At least not yet. - -# chkerr: -# -# Routine to check for error -# -# checks error code and drops into shell on failure. -# if shell exits, terminates script as well as /etc/rc. -# -chkerr() { - case $1 in - 0) - ;; - *) - echo "$2 failed: dropping into /bin/sh" - /bin/sh - # RESUME - ;; - esac -} - -# Create a generic memory disk -# -mount_md() { - /sbin/mdconfig -a -t malloc -s $1 -u $3 - /sbin/disklabel -r -w md$3 auto - /sbin/newfs -i 4096 /dev/md$3c - /sbin/mount /dev/md$3c $2 -} - -# Create the memory filesystem if it has not already been created -# -create_md() { - if [ "x`eval echo \\$md_created_$1`" = "x" ]; then - if [ "x`eval echo \\$md_size_$1`" = "x" ]; then - md_size=4096 - else - md_size=`eval echo \\$md_size_$1` - fi - mount_md $md_size /$1 0 - /bin/chmod 755 /$1 - eval md_created_$1=created - fi -} - -# DEBUGGING -# -# set -v - -# Figure out our interface and IP. -# -bootp_ifc="" -bootp_ipa="" -bootp_ipbca="" -iflist=`ifconfig -l` -for i in ${iflist} ; do - set `ifconfig ${i}` - while [ $# -ge 1 ] ; do - if [ "${bootp_ifc}" = "" -a "$1" = "inet" ] ; then - bootp_ifc=${i} ; bootp_ipa=${2} ; shift - fi - if [ "${bootp_ipbca}" = "" -a "$1" = "broadcast" ] ; then - bootp_ipbca=$2; shift - fi - shift - done - if [ "${bootp_ifc}" != "" ] ; then - break - fi -done -echo "Interface ${bootp_ifc} IP-Address ${bootp_ipa} Broadcast ${bootp_ipbca}" - -# Resolve templates in /conf/base, /conf/default, /conf/${bootp_ipbca}, -# and /conf/${bootp_ipa}. For each subdirectory found within these -# directories: -# -# - calculate memory filesystem sizes. If the subdirectory (prior to -# NFS remounting) contains the file 'md_size', the contents specified -# in 512 byte sectors will be used to size the memory filesystem. Otherwise -# 8192 sectors (4MB) is used. -# -# - handle NFS remounts. If the subdirectory contains the file -# diskless_remount, the contents of the file is NFS mounted over -# the directory. For example /conf/base/etc/diskless_remount -# might contain 'myserver:/etc'. NFS remounts allow you to avoid -# having to dup your system directories in /conf. Your server must -# be sure to export those filesystems -alldirs, however. -# -for i in base default ${bootp_ipbca} ${bootp_ipa} ; do - for j in /conf/$i/* ; do - # memory filesystem size specification - # - subdir=${j##*/} - if [ -d $j -a -f $j/md_size ]; then - eval md_size_$subdir=`cat $j/md_size` - fi - - # NFS remount - # - if [ -d $j -a -f $j/diskless_remount ]; then - nfspt=`/bin/cat $j/diskless_remount` - mount_nfs $nfspt $j - chkerr $? "mount_nfs $nfspt $j" - fi - done -done - -# - Create all required MFS filesystems and populate them from -# our templates. Support both a direct template and a dir.cpio.gz -# archive. Support dir.remove files containing a list of relative -# paths to remove. -# -# TODO: -# + find a way to assign a 'group' identifier to a machine -# so we can use group-specific configurations; - -for i in base default ${bootp_ipbca} ${bootp_ipa} ; do - for j in /conf/$i/* ; do - subdir=${j##*/} - if [ -d $j ]; then - create_md $subdir - cp -Rp $j/* /$subdir - fi - done - for j in /conf/$i/*.cpio.gz ; do - subdir=${j%*.cpio.gz} - subdir=${subdir##*/} - if [ -f $j ]; then - create_md $subdir - echo "Loading /$subdir from cpio archive $j" - (cd / ; /stand/gzip -d < $j | /stand/cpio --extract -d ) - fi - done - for j in /conf/$i/*.remove ; do - subdir=${j%*.remove} - subdir=${subdir##*/} - if [ -f $j ]; then - # doubly sure it is a memory disk before rm -rf'ing - create_md $subdir - (cd /$subdir; rm -rf `/bin/cat $j`) - fi - done -done - -if [ -z "`hostname -s`" ]; then - hostname=`kenv dhcp.host-name` - hostname $hostname - echo "Hostname is $hostname" -fi - -# if the info is available via dhcp/kenv -# build the resolv.conf -# -if [ ! -e /etc/resolv.conf ]; then - echo domain `kenv dhcp.domain-name` > /etc/resolv.conf - - set `kenv dhcp.domain-name-servers` - for ns in `IFS=','; echo $*`; do - echo nameserver $ns >> /etc/resolv.conf; - done -fi - -# Tell /etc/rc to run the specified script after it does its mounts but -# before it does anything else. -# -# This script is responsible for setting up the diskless mount environment. -# This can be overriden by /conf/ME/rc.conf.local if, for example, you do not -# want to run the standard system /etc/rc.diskless2 - -diskless_mount="/etc/rc.diskless2" - |
