diff options
| author | Matthew Dillon <dillon@FreeBSD.org> | 1999-01-25 18:24:46 +0000 |
|---|---|---|
| committer | Matthew Dillon <dillon@FreeBSD.org> | 1999-01-25 18:24:46 +0000 |
| commit | 5ab0c62f95621f41721aa126c536c7f51fb56019 (patch) | |
| tree | e03538524976e2ceac7baa5297a0b018385cbf2e | |
| parent | 633dcb59acbc73d031cd0cbbe18fe1c511ebfda9 (diff) | |
Commit first rc.diskless startup plus modifications to rc.conf and Makefile
to make it work. NOTE! Uses new kern.conf_dir sysctl.
Notes
Notes:
svn path=/head/; revision=43198
| -rw-r--r-- | etc/Makefile | 5 | ||||
| -rw-r--r-- | etc/rc.conf | 19 | ||||
| -rw-r--r-- | etc/rc.diskless | 117 |
3 files changed, 136 insertions, 5 deletions
diff --git a/etc/Makefile b/etc/Makefile index aa155b3618ca..3bb43d9da8e8 100644 --- a/etc/Makefile +++ b/etc/Makefile @@ -1,5 +1,5 @@ # from: @(#)Makefile 5.11 (Berkeley) 5/21/91 -# $Id: Makefile,v 1.186 1999/01/10 21:08:26 rnordier Exp $ +# $Id: Makefile,v 1.187 1999/01/13 08:20:53 hm Exp $ SUBDIR= sendmail @@ -9,7 +9,8 @@ BIN1= aliases amd.map crontab csh.cshrc csh.login csh.logout dm.conf \ newsyslog.conf pam.conf phones pccard.conf.sample \ printcap profile protocols \ rc rc.atm rc.conf rc.devfs rc.firewall rc.isdn rc.network rc.pccard \ - rc.serial rc.shutdown etc.${MACHINE_ARCH}/rc.${MACHINE_ARCH} \ + rc.diskless rc.serial rc.shutdown \ + etc.${MACHINE_ARCH}/rc.${MACHINE_ARCH} \ remote security services shells syslog.conf \ etc.${MACHINE_ARCH}/ttys etc.${MACHINE_ARCH}/disktab rpc make.conf \ ${.CURDIR}/../gnu/usr.bin/man/manpath/manpath.config \ diff --git a/etc/rc.conf b/etc/rc.conf index 7a3d5ea067b7..8539283c3306 100644 --- a/etc/rc.conf +++ b/etc/rc.conf @@ -6,7 +6,7 @@ # # All arguments must be in double or single quotes. # -# $Id: rc.conf,v 1.75 1999/01/13 17:32:37 joerg Exp $ +# $Id: rc.conf,v 1.76 1999/01/17 03:32:07 grog Exp $ ############################################################## ### Important initial Boot-time options ##################### @@ -199,6 +199,19 @@ vinum_slices="" # put in names of vinum slices to enable vinum ############################################################## ### Allow local configuration override at the very end here ## ############################################################## -if [ -f /etc/rc.conf.local ]; then - . /etc/rc.conf.local +# +# If the kernel configuration script MIB exists, use it. + +sysctl -n kern.conf_dir > /dev/null 2>&1 +if [ $? = 0 ]; then + conf_dir=`sysctl -n kern.conf_dir` +fi + +if [ "X$conf_dir" = "X" ]; then + conf_dir=/etc fi + +if [ -f $conf_dir/rc.conf.local ]; then + . $conf_dir/rc.conf.local +fi + diff --git a/etc/rc.diskless b/etc/rc.diskless new file mode 100644 index 000000000000..300596670137 --- /dev/null +++ b/etc/rc.diskless @@ -0,0 +1,117 @@ +# +# /etc/rc.diskless - general BOOTP startup +# +# BOOTP has mounted / for us. Assume a read-only mount. We must then +# - figure out where the NFS mount is coming from +# - mount /usr via nfs +# - figure out our IP by querying the interface +# - setup the configuration script directory +# - setup the configuration function +# +# SEE SAMPLE FILES IN /usr/share/examples/diskless. If you have nothing +# better to do, try: +# +# ln -s /usr/share/examples/diskless /conf +# +# but at least read the README. + +# 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() { + if [ $1 != 0 ]; then + echo "$2 failed: dropping into /bin/sh" + /bin/sh + # RESUME + fi +} + +# DEBUGGING +# +set -v + +# Figure out where the root mount is coming from, synthesize a mount +# for /usr and mount it. Also mount /var +# +# e.g. nfs_root might wind up as "A.B.C.D:/" +# +set `/bin/df /` +nfs_root=$8 +mount_nfs -o ro ${nfs_root}/usr /usr +mount_nfs -o ro ${nfs_root}/var /var + +chkerr $? "mount of /usr" + +# Figure out our interface and IP. +# + +bootp_ifc=`route -n get default | fgrep interface | awk '{ print $2; }'` +bootp_ipa=`ifconfig $bootp_ifc | fgrep inet | head -1 | awk '{ print $2; }'` + +echo "Interface $bootp_ifc IP-Address $bootp_ipa" + +# retarget the configuration directory, where rc.conf.local and rc.local +# are found. We set the directory to /conf/$bootp_ipa. +# + +conf_dir=/conf/$bootp_ipa +sysctl -w kern.conf_dir=$conf_dir +sysctl -w kern.bootfile=$conf_dir/kernel + +if [ ! -f $conf_dir/rc.conf.local ]; then + chkerr 1 "access to $conf_dir" +fi + +# Tell /etc/rc to skip normal disk configuration +# + +skip_diskconf=YES +diskless_mount_func=diskless_mount_system + +# Default mounting pass procedure +# +# We have to create the filesystems that are expected +# to be writeable. + +diskless_mount_system() { + sysctl -w net.inet.ip.portrange.first=4000 + + mount_mfs -s 2048 -T qp120at dummy /var/run + mount_mfs -s 16384 -T qp120at dummy /var/db + mount_mfs -s 65536 -T qp120at dummy /var/tmp + mount_mfs -s 65536 -T qp120at dummy /var/spool + chmod 755 /var/run + chmod 755 /var/db + chmod 755 /var/spool + chmod 1777 /var/tmp + # + # XXX /tmp should be a softlink to /var/tmp + + mkdir /var/spool/mqueue + mkdir /var/spool/ljet4 + mkdir /var/spool/lpd + mkdir /var/spool/output + mkdir /var/spool/output/lpd + chown daemon /var/spool/ljet4 + chown -R root.daemon /var/spool/output + chgrp daemon /var/spool/lpd + + # /proc may be necessary + # + mount_procfs proc /proc + + # We need a R+W /dev ! Use cpio to copy /dev from the + # server to an MFS mount. + + mkdir /tmp/root + mount ${nfs_root} /tmp/root + mount_mfs -s 4096 -i 512 -T qp120at dummy /dev + ( cd /tmp/root ; find -x dev | cpio -o -H newc ) | \ + ( cd / ; cpio -i -H newc -d ) + umount /tmp/root +} + |