#!/bin/ksh
# This file is executed on the simulator to install UNICOS

#####################################################
# Configuration parameters
#####################################################

# Fill-in these parameters to contain relevant info, or leave empty to get prompted for it
#LOCAL_LOGIN=
HOST_IP=172.16.0.1
SIM_IP=172.16.0.2
#ISO_MNT=
SERIALNO=9001

if [ "x$LOCAL_LOGIN" = "x" ]; then
	echo "Enter user name used to access host files: "
	read LOCAL_LOGIN
fi
if [ "x$HOST_IP" = "x" ]; then
	echo "Enter IP address for the host machine: "
	read HOST_IP
fi
if [ "x$SIM_IP" = "x" ]; then
	echo "Enter IP address for the simulator: "
	read SIM_IP
fi
if [ "x$ISO_MNT" = "x" ]; then
	echo "Enter install CD mount point on the host: "
	read ISO_MNT
fi
if [ "x$SERIALNO" = "x" ]; then
	echo "Enter serial number for the simulated machine (if unsure, use 9001): "
	read SERIALNO
fi
if [ "x$SIM_LOC" = "x" ]; then
	echo "WARNING! Setting 'simulator location on host' based on guessed information. Check for correctness!!"
	SIM_LOC=/home/$LOCAL_LOGIN/cray-sim
fi

# Secondary configuration: you probably don't want to change these, but just in case...
ROUTER_IP=$HOST_IP

#####################################################
# Start of script
#####################################################

echo "Setup configuration:"
echo "   Local user on host machine: $LOCAL_LOGIN"
echo "   IP address of the host machine: $HOST_IP"
echo "   IP address of the simulator: $SIM_IP"
echo "   Install CD mount point on the host: $ISO_MNT"
echo "   Simulated machine serial number: $SERIALNO"
echo "   Simulator location on host: $SIM_LOC"
echo ""
echo "If this is correct, press any key. If not, press CTRL-C now!"
read
echo "starting install..."

install_errorexit() {
	echo "INSTALL FAILED WITH ERROR: $1"
	exit 255
}

do_extract_os() {
	# Make sure that extraction hasn't already been done.
	if [ -s ${CRAYCHKPNTFILE} ]; then
	EXTRACT=`grep EXTRACT ${CRAYCHKPNTFILE}`
	EXTRACT_VALUE=`echo "$EXTRACT" | awk -F" " '{print $2}'`
		if [ "${EXTRACT_VALUE}" = "DONE" ]; then
			echo "OS extraction has been done. Exiting without an error"
			return
		fi
	echo "OS extraction has NOT been done."
	fi
	echo "Extracting OS files"

	OLD_DIR=pwd
	cd /$SYS_MNT

	gzip -dc < /$SYS_MNT/uni_12.gzc | cpio -idv || install_errorexit "Can't extract install media"
	sync
	gzip -dc < /$SYS_MNT/uni_22.gzc | cpio -idv || install_errorexit "Can't extract install media"
	sync
	cd /$SYS_MNT/usr/src
	gzip -dc < /$SYS_MNT/uex_11.gzc | cpio -idv || install_errorexit "Can't extract install media"
	sync
	gzip -dc < /$SYS_MNT/rbf_11.gzc | cpio -idv || install_errorexit "Can't extract install media"
	sync

	echo "EXTRACT DONE" >> $CRAYCHKPNTFILE
	echo "done"
	cd $OLD_DIR
}

do_mingle() {
	cd /
	if [ -s ${CRAYCHKPNTFILE} ]; then
	MINGLE=`grep MINGLE ${CRAYCHKPNTFILE}`
	MINGLE_VALUE=`echo "$MINGLE" | awk -F" " '{print $2}'`
		if [ "${MINGLE_VALUE}" = "DONE" ]; then
			echo "Mingle has been done. Exiting without an error"
			return
		fi
	echo "Mingle has NOT been done."
	fi
	echo "Mingling vif files"

	rcp $LOCAL_LOGIN@$SWSHOST:$SYS_CDROM/uni_12.vif $SYS_MNT/ || install_errorexit "Can't get vif file from host"
	rcp $LOCAL_LOGIN@$SWSHOST:$SYS_CDROM/uni_22.vif $SYS_MNT/ || install_errorexit "Can't get vif file from host"
	rcp $LOCAL_LOGIN@$SWSHOST:$SYS_CDROM/uex_11.vif $SYS_MNT/usr/src || install_errorexit "Can't get vif file from host"
	rcp $LOCAL_LOGIN@$SWSHOST:$SYS_CDROM/rbf_11.vif $SYS_MNT/usr/src || install_errorexit "Can't get vif file from host"
	rcp $LOCAL_LOGIN@$SWSHOST:$SYS_CDROM/$UNICOS_MINGLE / || install_errorexit "Can't get vif file from host"
	. ./$UNICOS_MINGLE
	echo "MINGLE DONE" >> $CRAYCHKPNTFILE
	echo "done"
}

do_pstload() {
	cd /
	if [ -s ${CRAYCHKPNTFILE} ]; then
	PSTLOAD=`grep PSTLOAD ${CRAYCHKPNTFILE}`
	PSTLOAD_VALUE=`echo "$PSTLOAD" | awk -F" " '{print $2}'`
		if [ "${PSTLOAD_VALUE}" = "DONE" ]; then
			echo "Post load script has been done. Exiting without an error"
			return
		fi
	echo "Post load script has NOT been done."
	fi

	echo "**** running post-install script ****"
	if [ ! -f /$UNICOS_PSTLOAD ]; then
		rcp $LOCAL_LOGIN@$HOST_IP:/$ISO_MNT/$UNICOS_EXE/$UNICOS_PSTLOAD /
	fi
	. ./$UNICOS_PSTLOAD
	mount $SYS_MNT || install_errorexit "mount $SYS_MNT failed"
	echo "PSTLOAD DONE" >> $CRAYCHKPNTFILE
	echo "done ..."
}


cd /
echo "**** generating sysinfo ****"
# Testing for caseing of install directory as well as retriving sysinfo.default
rcp $LOCAL_LOGIN@$HOST_IP:/$ISO_MNT/$UNICOS_EXE/version / || UNICOS_EXE=UNICOS_exe
rcp $LOCAL_LOGIN@$HOST_IP:/$ISO_MNT/$UNICOS_EXE/version / || install_errorexit "Can't get sysinfo.default from host"
VERSION=$(grep UNICOS /version | cut -d' ' -f5)
echo "INSTALLING UNICOS VERSION $VERSION"
case "$VERSION" in
"10.0.0")
	CITMKFS_PRELOAD=CIT.mkfs.preload
	CITMNTFS_RELOAD=CIT.mntfs.preload
	UNICOS_MINGLE=UNICOS.mingle
	UNICOS_PSTLOAD=UNICOS.pstload
	INSTALLRULES=Installrules
;;
"10.0.0.2")
	CITMKFS_PRELOAD=CIT.mkfs.preload
	CITMNTFS_RELOAD=CIT.mntfs.preload
	UNICOS_MINGLE=UNICOS.mingle
	UNICOS_PSTLOAD=UNICOS.pstload
	INSTALLRULES=Installrules
;;
"10.0.1.2")
	CITMKFS_PRELOAD=citmkfs.preload
	CITMNTFS_RELOAD=citmntfs.preload
	UNICOS_MINGLE=unicos.mingle
	UNICOS_PSTLOAD=unicos.pstload
	INSTALLRULES=installrules
;;
*)
	install_errorexit "Unknown UNICOS version"
;;
esac

rcp $LOCAL_LOGIN@$HOST_IP:/$ISO_MNT/$UNICOS_EXE/sysinfo.default / || install_errorexit "Can't get sysinfo.default from host"

if [ "$UPPER_CASE" == "yes"]; then
	UNICOS_EXE=UNICOS_exe
fi

cp /sysinfo.default /sysinfo
echo "" >> /sysinfo
echo "##################################################" >> /sysinfo
echo "# Local overrides" >> /sysinfo
echo "##################################################" >> /sysinfo
echo "SWSHOST=$HOST_IP" >> /sysinfo
echo "SYS_CDROM=$ISO_MNT/$UNICOS_EXE" >> /sysinfo
echo "CRAYCHKPNTFILE=/tmp/.blah" >> /sysinfo
echo "SYS_SERIALNO=$SERIALNO" >> /sysinfo
echo "SYS_SWSIP=$HOST_IP" >> /sysinfo
echo "SYS_CRAYIP=$SIM_IP" >> /sysinfo
#echo "SYS_CRAYHOST=cray" >> /sysinfo
echo "SYS_ROUTERIP=$ROUTER_IP" >> /sysinfo
echo "SYS_ROUTERHOST=router" >> /sysinfo
echo "SYS_IFNAME=en0" >> /sysinfo
echo "SYS_ROOT_FS=root" >> /sysinfo
echo "SYS_USR_FS=usr" >> /sysinfo
echo "SYS_SRC_FS=src" >> /sysinfo
echo "# Parallel nmakes to run: let's keep things simple and single-threaded" >> /sysinfo
echo "SYS_NPROC=1" >> /sysinfo
echo "SYS_CPUS=16" >> /sysinfo
echo "SYS_MEMORY=256" >> /sysinfo
. /sysinfo
echo "done ..."

echo "**** patching up hosts file ****"
echo 127.0.0.1 localhost loghost > /etc/hosts
echo $HOST_IP host >> /etc/hosts
echo $SYS_SWSIP sws >> /etc/hosts
echo $SYS_CRAYIP cray >> /etc/hosts
chmod 600 /etc/hosts
mkbinhost
echo "done ..."

echo "**** creating /etc/config/interfaces ****"
mkdir /etc/config
echo "en0 - inet $SYS_CRAYIP - netmask $SYS_NETMASK" > /etc/config/interfaces
echo "done ..."

echo "**** getting installrules ****"
rcp $LOCAL_LOGIN@$HOST_IP:/$ISO_MNT/$UNICOS_EXE/$INSTALLRULES /Installrules || install_errorexit "Can't get installrules from host"
echo "overriding SYS_IOSV_FILES..."
echo "" >> /Installrules
echo "##################################################" >> /Installrules
echo "# Local overrides" >> /Installrules
echo "##################################################" >> /Installrules
echo "SYS_IOSV_FILES=$SIM_LOC" >> /Installrules
echo "done ..."

echo "**** copying configuration back to host ****"
echo "rcp /CONFIGURATION $LOCAL_LOGIN@$SWSHOST:$SIM_LOC/param"
rcp /CONFIGURATION $LOCAL_LOGIN@$SWSHOST:$SIM_LOC/param || install_errorexit "Can't send /CONFIGURATION to host"
echo "done ..."

FILESYSTEMS=root:usr:src
MOUNTPOINTS=$SYS_MNT:$SYS_MNT/usr:$SYS_MNT/usr/src
PACKAGES=UNICOS_Executables


# Save out our modified sysinfo...

umount $SYS_MNT
mkdir $SYS_MNT
echo "/dev/dsk/$SYS_ROOT_FS        $SYS_MNT                    NC1FS  rw,CRI_RC="NO"   1      1" > /etc/fstab
rcp $LOCAL_LOGIN@$SWSHOST:$SYS_CDROM/$CITMKFS_PRELOAD / || install_errorexit "Can't get citmkfs.preload from host"
rcp $LOCAL_LOGIN@$SWSHOST:$SYS_CDROM/$CITMNTFS_RELOAD / || install_errorexit "Can't get citmntfs.preload from host"
. ./$CITMKFS_PRELOAD
. ./$CITMNTFS_RELOAD
/etc/mkdmp /dev/dsk/dump
if [[ ! -e $SYS_MNT/uex_11.gzc ]]; then
    echo "copying uex..."
    rcp $LOCAL_LOGIN@$SWSHOST:$SYS_CDROM/uex_11.gzc $SYS_MNT/ || install_errorexit "Can't get install media from host"
    echo "done"
fi
if [[ ! -e $SYS_MNT/uni_12.gzc ]]; then
    echo "copying uni..."
    rcp $LOCAL_LOGIN@$SWSHOST:$SYS_CDROM/uni_12.gzc $SYS_MNT/ || install_errorexit "Can't get install media from host"
    echo "done"
fi
if [[ ! -e $SYS_MNT/uni_22.gzc ]]; then
    echo "copying uni..."
    rcp $LOCAL_LOGIN@$SWSHOST:$SYS_CDROM/uni_22.gzc $SYS_MNT/ || install_errorexit "Can't get install media from host"
    echo "done"
fi
if [[ ! -e $SYS_MNT/rbf_11.gzc ]]; then
    echo "copying rbf..."
    rcp $LOCAL_LOGIN@$SWSHOST:$SYS_CDROM/rbf_11.gzc $SYS_MNT/ || install_errorexit "Can't get install media from host"
    echo "done"
fi

do_extract_os
do_mingle

# At this point we have the new system installed, so we can start using tools from there
PATH=$PATH:$SYS_MNT/bin:$SYS_MNT/usr/bin

#rcp ${LOCAL_LOGIN}@${SWSHOST}:${SYS_CDROM}/version $SYS_MNT/.version

echo "!!!! OS install complete, going into post-install configuration... !!!!"

#cp /CONFIGURATION /etc/config/param

echo "**** patching up kernel ****"

case "$VERSION" in
"10.0.0")
cat <<EOT > /mfinits.patch
79a80
>           EXT     initcode
174c175,176
<             irunlvl,0   s1
---
>             a1          initcode
>             irunlvl,a1  s1
205c207,208
<             irunlvl,0  S1               Run level for init
---
>             a1         initcode
>             irunlvl,a1 s1               Run level for init
EOT
;;
*)
cat <<EOT > /mfinits.patch
203c203,204
<             irunlvl,0  S1               Run level for init
---
>             a1         initcode
>             irunlvl,a1 S1               Run level for init
EOT
;;
esac

if [ ! -f $SYS_MNT/usr/src/uts/c1/md/mfinits.s.original ]; then
	cp $SYS_MNT/usr/src/uts/c1/md/mfinits.s $SYS_MNT/usr/src/uts/c1/md/mfinits.s.original
else
	cp $SYS_MNT/usr/src/uts/c1/md/mfinits.s.original $SYS_MNT/usr/src/uts/c1/md/mfinits.s
fi
patch $SYS_MNT/usr/src/uts/c1/md/mfinits.s < /mfinits.patch || install_errorexit "failed"
echo "done ..."

echo "**** enabling FTP from all hosts ****"
if [ ! -f $SYS_MNT/skl/etc/inetd.conf.original ]; then
	cp $SYS_MNT/skl/etc/inetd.conf $SYS_MNT/skl/etc/inetd.conf.original
fi
sed "/\/etc\/ftpd.*ftpd/ s/$/ -k/" $SYS_MNT/skl/etc/inetd.conf.original > $SYS_MNT/skl/etc/inetd.conf || install_errorexit "failed"
echo "done ..."

echo "**** changing init script defaults ****"
cat <<EOT > /rcoptions.patch
60c60
< RC_DATE='YES'
---
> RC_DATE='NO'
66,67c66,67
< RC_MKTMP='ASK'
< RC_MKUTMP='ASK'
---
> RC_MKTMP='YES'
> RC_MKUTMP='YES'
74c74
< RC_TCP='ASK'
---
> RC_TCP='YES'
78,80c78,80
< RC_NFS='ASK'
< RC_YP='ASK'
< RC_TAPE='ASK'
---
> RC_NFS='YES'
> RC_YP='NO'
> RC_TAPE='NO'
EOT
# Unfortunately the CRAY-provided install scripts assume these to be real devices.
# So let's not try to outsmart them and leave them as-is and provide simulated
# hard drives for each
#126,128c126,128
#< USRDEV='usr'
#< SRCDEV='src'
#< USRTMPDEV='usr_tmp'
#---
#> USRDEV=''
#> SRCDEV=''
#> USRTMPDEV=''
#131c131
#< TMPDEV='tmp'
#---
#> TMPDEV=''
if [ ! -f $SYS_MNT/skl/etc/config/rcoptions.original ]; then
	cp $SYS_MNT/skl/etc/config/rcoptions $SYS_MNT/skl/etc/config/rcoptions.original
else
	cp $SYS_MNT/skl/etc/config/rcoptions.original $SYS_MNT/skl/etc/config/rcoptions
fi
patch $SYS_MNT/skl/etc/config/rcoptions < /rcoptions.patch || install_errorexit "failed"
echo "done ..."

echo "**** adding /etc to the default path ****"
cat <<EOT > /profile.patch
*** profile.original    Fri Apr 28 19:11:16 2017
--- profile.new Fri Sep 11 23:50:52 2020
***************
*** 3,8 ****
--- 3,13 ----


  trap "" 1 2 3
  PATH=/bin:/usr/bin:/usr/ucb:/usr/lbin
+
+ ###### Beginning of custom settings
+ PATH=\$PATH:/etc:/usr/local/bin:/usr/bin/X11
+ ###### End of custom settings
+
  export PATH
  umask 077
  case "$0" in
EOT
if [ ! -f $SYS_MNT/skl/etc/profile.original ]; then
	cp $SYS_MNT/skl/etc/profile $SYS_MNT/skl/etc/profile.original
else
	cp $SYS_MNT/skl/etc/profile.original $SYS_MNT/skl/etc/profile
fi
patch $SYS_MNT/skl/etc/profile < /profile.patch || install_errorexit "failed"
echo "done ..."

cd /
do_pstload

echo "**** setting up networking in new environment ****"
chmod 600 $SYS_MNT/etc/hosts || install_errorexit "failed"
chroot $SYS_MNT /etc/mkbinhost || install_errorexit "failed"
cat <<EOT > /etc/gated.conf || install_errorexit "failed"
static {
    default gateway $ROUTER_IP
}
EOT
echo "en0 - inet $SYS_CRAYIP - netmask $SYS_NETMASK" >> /etc/config/interfaces || install_errorexit "failed"
echo "done ..."


echo "**** making home folder ****"
if [ ! -d "$SYS_MNT/home" ]; then
	mkdir $SYS_MNT/home || install_errorexit "mkdir $SYS_MNT/home failed"
	chmod a+rx $SYS_MNT/home || install_errorexit "chmod a+rx $SYS_MNT/home failed"
fi
echo "done ..."

sync
ldsync
sync

echo "**** installing crontab ****"
cat <<EOT > /$SYS_MNT/bin/syncall
#!/bin/sh
sync
sync
sync
EOT
echo "* * * * * /bin/syncall" > /$SYS_MNT/cron
chroot $SYS_MNT /usr/bin/crontab /cron
rm /$SYS_MNT/cron
echo "done ..."

echo "**** changing root password ****"
echo "please enter new root password!"
chroot $SYS_MNT /bin/passwd root
echo "done ..."

echo "**** creating a new user ****"
chroot $SYS_MNT /etc/nu -a
echo "done ..."

sync
ldsync
sync

echo "============= INSTALLATION COMPLETED ================"