From 2d88f0c0e6532feaa46687c127a9c9dbbea7adc6 Mon Sep 17 00:00:00 2001
From: jbjohnso <jbjohnso@8638fb3e-16cb-4fca-ae20-7b5d299a9bcd>
Date: Fri, 17 Jun 2011 20:16:38 +0000
Subject: [PATCH] More tightly control/monitor network bringup

git-svn-id: https://svn.code.sf.net/p/xcat/code/xcat-core/trunk@9845 8638fb3e-16cb-4fca-ae20-7b5d299a9bcd
---
 xCAT-nbroot2/check           |  2 +-
 xCAT-nbroot2/install         |  4 ++-
 xCAT-nbroot2/xcat-cmdline.sh | 51 +++++++++++++++++++++++++++++++++++-
 3 files changed, 54 insertions(+), 3 deletions(-)

diff --git a/xCAT-nbroot2/check b/xCAT-nbroot2/check
index d075f1a42..ad76f12ff 100755
--- a/xCAT-nbroot2/check
+++ b/xCAT-nbroot2/check
@@ -1,3 +1,3 @@
 #!/bin/sh
-[ "$1" = "-d" ] && echo network 
+#[ "$1" = "-d" ] && echo network  #they pull in too much
 exit 0
diff --git a/xCAT-nbroot2/install b/xCAT-nbroot2/install
index 63e703adf..441212a79 100755
--- a/xCAT-nbroot2/install
+++ b/xCAT-nbroot2/install
@@ -3,8 +3,10 @@ echo $drivers
 dracut_install wget openssl tar ipmitool cpio gzip dash  modprobe touch echo cut wc
 dracut_install grep ip hostname awk egrep grep dirname expr
 dracut_install mount.nfs sshd vi reboot lspci parted libvirtd /usr/share/libvirt/cpu_map.xml mkfs mkfs.ext4 mkfs.btrfs
-dracut_install mkswap df brctl vconfig ifenslave ssh-keygen /usr/libexec/qemu-kvm scp clear
+dracut_install mkswap df brctl vconfig ifenslave ssh-keygen /usr/libexec/qemu-kvm scp clear dhclient
+dracut_install poweroff
 inst "$moddir/xcatroot" "/sbin/xcatroot"
+inst "$moddir/dhclient-script" "/sbin/dhclient-script"
 inst "/root/.ssh/id_rsa.pub" "/.ssh/authorized_keys"
 inst "/lib/terminfo/l/linux" "/lib/terminfo/l/linux"
 inst_hook cmdline 10 "$moddir/xcat-cmdline.sh" 
diff --git a/xCAT-nbroot2/xcat-cmdline.sh b/xCAT-nbroot2/xcat-cmdline.sh
index 3f4b5a9ec..aab011091 100755
--- a/xCAT-nbroot2/xcat-cmdline.sh
+++ b/xCAT-nbroot2/xcat-cmdline.sh
@@ -2,13 +2,62 @@ root=1
 rootok=1
 netroot=xcat
 clear
-echo "Wating for network to become available..."
 echo '[ -e $NEWROOT/proc ]' > /initqueue-finished/xcatroot.sh
+udevd --daemon
+udevadm trigger
+mkdir -p /var/lib/dhclient/
+if [ ! -z "$BOOTIF" ]; then
+	BOOTIF=`echo $BOOTIF|sed -e s/01-// -e s/-/:/g`
+	echo -n "Waiting for device with address $BOOTIF to appear.."
+	gripeiter=300
+	while [ -z "$bootnic" ]; do 
+		bootnic=`ip link show|grep -B1 $BOOTIF|grep mtu|awk '{print $2}'`
+		sleep 0.1
+		if [ $gripeiter = 0 ]; then
+			echo "ERROR"
+			echo "Unable to find boot device (maybe the nbroot is missing the driver for your nic?)"
+			while :; do sleep 365d; done
+		fi
+		gripeiter=$((gripeiter-1))
+	done
+fi
+echo "Done"
+if [ -z "$bootnic" ]; then
+	echo "ERROR: BOOTIF missing, can't detect boot nic"
+fi
+
+if [ -r /sys/devices/virtual/dmi/id/product_uuid ]; then
+	duid='default-duid "\\000\\004';
+	for i in `sed -e s/-//g -e 's/\(..\)/\1 /g' /sys/devices/virtual/dmi/id/product_uuid`; do
+		octnum="\\"`printf "\\%03o" 0x$i`
+		duid=$duid$octnum
+	done
+	duid=$duid'";'
+	echo $duid > /var/lib/dhclient/dhclient6.leases
+fi
 #/bin/dash
 mkdir -p /etc/ssh
 mkdir -p /var/empty/sshd
+echo root:x:0:0::/:/bin/sh >> /etc/passwd
 echo sshd:x:30:30:SSH User:/var/empty/sshd:/sbin/nologin >> /etc/passwd
 ssh-keygen -q -t rsa -f /etc/ssh/ssh_host_rsa_key -C '' -N ''
 ssh-keygen -q -t dsa -f /etc/ssh/ssh_host_dsa_key -C '' -N ''
 echo 'Protocol 2' >> /etc/ssh/sshd_config
 /usr/sbin/sshd
+dhclient $bootnic &
+dhclient -6 $bootnic -lf /var/lib/dhclient/dhclient6.leases &
+gripeiter=101
+echo -n "Acquiring network addresses.."
+while ! ip addr show dev $bootnic|grep -v 'scope link'|grep -v 'dynamic'|grep -v  inet6|grep inet > /dev/null; do
+	sleep 0.1
+	if [ $gripeiter = 1 ]; then
+		echo
+		echo "It seems to be taking a while to acquire an IPv4 address, you may want to check spanning tree..."
+	fi
+	gripeiter=$((gripeiter-1))
+done
+echo -n "Acquired IPv4 address "
+ip addr show dev $bootnic|grep -v 'scope link'|grep -v 'dynamic'|grep -v  inet6|grep inet|awk '{print $2}'
+
+
+/bin/dash