[readonly/geninitrd/devel: 205/334] (Almost) working root on NFS support.

[draenog]

commit 5c4cec756ddbb6f7143d08dbe5e2c90e1d1d1cdf
Author: Arkadiusz Miśkiewicz <arekm at maven.pl>
Date:   Sat Jun 5 19:32:30 2004 +0000

    (Almost) working root on NFS support.
    
    svn-id: @4147

 geninitrd | 50 +++++++++++++++++++++++++++++++++++++++++---------
 1 file changed, 41 insertions(+), 9 deletions(-)
---
diff --git a/geninitrd b/geninitrd
index c109271..6e4641e 100755
--- a/geninitrd
+++ b/geninitrd
@@ -543,13 +543,14 @@ find_modules_for() {
         if [ -z "$1" ]; then
 	    	echo "ERROR: no argument passed to find_modules_for()" >&2
 		exit
-	elif is_yes "`echo "$1" | awk '/^[0-9]+\.[0-9]+\.[0-9]+\.[0-9]+:/ { print "yes"; }'`"; then
-		if [ ! -x /usr/bin/pcidev ] ; then
+	elif is_yes "`echo "$1" | awk '/^([0-9]+\.[0-9]+\.[0-9]+\.[0-9]+:|\/dev\/nfs)/ { print "yes"; }'`"; then
+		if [ ! -x /usr/bin/pcidev -a -z "$NFS_ETH_MODULES" ] ; then
 		    echo "ERROR: root on NFS but /usr/bin/pcidev not found." >&2
 		    echo "Please install correct pci-database package and rerun $0." >&2
 		    exit 1
 		fi
-		for m in $(/usr/bin/pcidev /m net | xargs); do
+		[ -z "$NFS_ETH_MODULES" ] && NFS_ETH_MODULES=$(/usr/bin/pcidev /m net | xargs)
+		for m in $NFS_ETH_MODULES; do
 		    findmodule "$m"
 		done
 		findmodule "-ipv4"
@@ -1027,17 +1028,48 @@ fi
 
 if is_yes "$usenfs" ; then
     	[ -n "$verbose" ] && echo "Adding rootfs on NFS support to initrd (dhcp)"
-	mkdir "$MNTIMAGE/newroot/"
+	mkdir "$MNTIMAGE/newroot"
 	mkdir "$MNTIMAGE/newroot/initrd"
 	mkdir "$MNTIMAGE/newroot/dev"
 	mknod "$MNTIMAGE/newroot/dev/console" c 5 1
 	mknod "$MNTIMAGE/newroot/dev/null" c 1 3
 	mknod "$MNTIMAGE/newroot/dev/zero" c 1 5
-    	echo "busybox udhcpc"  >> "$s"
-	echo "mount -n -t nfs -o ro $rootdev1 /newroot" >> "$s"
-	echo "cd /new_root" >> "$s"
-	echo "pivot_root /new_root /new_root/initrd" >> "$s"
-	echo "exec chroot . /sbin/init" >> "$s"
+	echo "ifconfig lo 127.0.0.1 up" >> "$s"
+	echo "route add -net 127.0.0.0 netmask 255.0.0.0 lo" >> "$s"
+	echo "ifconfig eth0 0.0.0.0 up" >> "$s"
+    	echo "busybox udhcpc -i eth0 -s /bin/setdhcp"  >> "$s"
+	cat << EOF > "$MNTIMAGE/bin/setdhcp"
+#!/bin/sh
+[ "\$1" != "bound" ] && exit
+[ -n "\$broadcast" ] && BROADCAST="broadcast \$broadcast"
+[ -n "\$subnet" ] && NETMASK="netmask \$subnet"
+set -x
+ifconfig \$interface \$ip \$BROADCAST \$NETMASK up
+set +x
+if [ -n "\$router" ]; then
+    for r in \$router; do
+	set -x
+	route add default gw \$r dev \$interface
+	set +x
+    done
+fi
+if [ -n "\$rootpath" ]; then
+    set -x
+    mount -n -t nfs -o ro,nolock \$rootpath /newroot
+    set +x
+else
+    set +x
+    echo "Missing rootpath in what DHCP server sent to us. Failing..."
+    echo "All seen variables are listed below:"
+    set
+    set -x
+fi
+EOF
+	chmod 755 "$MNTIMAGE/bin/setdhcp"
+	echo "cd /newroot" >> "$s"
+	echo "pivot_root /newroot /newroot/initrd" >> "$s"
+	echo "exec /usr/sbin/chroot . /sbin/init" >> "$s"
+	echo "echo CRITICAL PROBLEM - BOOT FAILED" >> "$s"
 fi
 
 if is_yes "$uselvm" ; then
================================================================

---- gitweb:

http://git.pld-linux.org/gitweb.cgi/readonly/geninitrd.git/commitdiff/398807324938659207036e520c0950a61ef50c11