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Utilize dhcp information in the kernel environment if we don't have

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hostname and DNS information already.

Submitted by:	Danny Braniss <danny@cs.huji.ac.il>
This commit is contained in:
David E. O'Brien 2002-04-22 21:42:18 +00:00
parent 96ab7da385
commit c1ab4f157d
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=95280
3 changed files with 60 additions and 3 deletions
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21
etc/rc.d/initdiskless
View File

@ -92,6 +92,12 @@ for i in ${iflist} ; do
done
echo "Interface ${bootp_ifc} IP-Address ${bootp_ipa} Broadcast ${bootp_ipbca}"
if [ -z "`hostname -s`" ]; then
hostname=`kenv dhcp.host-name`
hostname $hostname
echo "Hostname is $hostname"
fi
if [ -d /conf/default/etc ]; then
mount_md 4096 /etc 0
chkerr $? "MFS mount on /etc"
@ -109,12 +115,25 @@ fi
# This way we have some flexibility to handle clusters of machines on
# separate subnets.
for i in ${bootp_ipbca} ${bootp_ipa} ; do
for i in ${bootp_ipbca} ${bootp_ipa} ${hostname} ; do
if [ -d /conf/${i}/etc ]; then
cp -Rp /conf/${i}/etc/* /etc
fi
done
#
# 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.
#

21
etc/rc.diskless1
View File

@ -92,6 +92,12 @@ for i in ${iflist} ; do
done
echo "Interface ${bootp_ifc} IP-Address ${bootp_ipa} Broadcast ${bootp_ipbca}"
if [ -z "`hostname -s`" ]; then
hostname=`kenv dhcp.host-name`
hostname $hostname
echo "Hostname is $hostname"
fi
if [ -d /conf/default/etc ]; then
mount_md 4096 /etc 0
chkerr $? "MFS mount on /etc"
@ -109,12 +115,25 @@ fi
# This way we have some flexibility to handle clusters of machines on
# separate subnets.
for i in ${bootp_ipbca} ${bootp_ipa} ; do
for i in ${bootp_ipbca} ${bootp_ipa} ${hostname} ; do
if [ -d /conf/${i}/etc ]; then
cp -Rp /conf/${i}/etc/* /etc
fi
done
#
# 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.
#

21
etc/rc.initdiskless
View File

@ -92,6 +92,12 @@ for i in ${iflist} ; do
done
echo "Interface ${bootp_ifc} IP-Address ${bootp_ipa} Broadcast ${bootp_ipbca}"
if [ -z "`hostname -s`" ]; then
hostname=`kenv dhcp.host-name`
hostname $hostname
echo "Hostname is $hostname"
fi
if [ -d /conf/default/etc ]; then
mount_md 4096 /etc 0
chkerr $? "MFS mount on /etc"
@ -109,12 +115,25 @@ fi
# This way we have some flexibility to handle clusters of machines on
# separate subnets.
for i in ${bootp_ipbca} ${bootp_ipa} ; do
for i in ${bootp_ipbca} ${bootp_ipa} ${hostname} ; do
if [ -d /conf/${i}/etc ]; then
cp -Rp /conf/${i}/etc/* /etc
fi
done
#
# 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.
#