source: branches/3.3/mindi/rootfs/usr/sbin/start-netfs @ 3661

Last change on this file since 3661 was 3661, checked in by bruno, 16 months ago

Adds preliminary DRBD support

  • Property svn:executable set to *
File size: 6.5 KB
Line 
1#!/bin/sh
2#
3# $Id$
4#
5# This script sets up the network + Network FS environment if needed.
6#
7
8
9# number of ping
10ipcount=3
11
12# Get info from config file
13ipdev=`grep netfs-dev /tmp/mondorestore.cfg 2> /dev/null | cut -d' ' -f2-`
14# MAC address in uppercases
15hwaddr=`grep netfs-client-hwaddr /tmp/mondorestore.cfg 2> /dev/null | cut -d' ' -f2- | tr '[a-z]' '[A-Z]'`
16ipaddress=`grep netfs-client-ipaddr /tmp/mondorestore.cfg 2> /dev/null | cut -d' ' -f2-`
17ipnetmask=`grep netfs-client-netmask /tmp/mondorestore.cfg 2> /dev/null | cut -d' ' -f2-`
18ipbroadcast=`grep netfs-client-broadcast /tmp/mondorestore.cfg 2> /dev/null | cut -d' ' -f2-`
19ipgateway=`grep netfs-client-defgw /tmp/mondorestore.cfg 2> /dev/null | cut -d' ' -f2-`
20proto=`grep netfs-proto /tmp/mondorestore.cfg 2> /dev/null | cut -d' ' -f2-`
21iproute=`grep netfs-route /tmp/mondorestore.cfg 2> /dev/null | cut -d' ' -f2-`
22ipconf=""
23ipmode="STATIC"
24pre=""
25post=""
26export netfsmount=`grep netfs-server-mount /tmp/mondorestore.cfg 2> /dev/null | cut -d' ' -f2-`
27export imgname=`grep iso-prefix /tmp/mondorestore.cfg 2> /dev/null | cut -d' ' -f2-`
28if [ "$imgname" = "" ]; then
29    export imgname="mondorescue"
30fi
31export dirimg=`grep iso-dir /tmp/mondorestore.cfg 2> /dev/null | cut -d' ' -f2-`
32if [ "$dirimg" = "" ]; then
33    export dirimg="/"
34fi
35
36# info from cmdline are predominent
37for i in `cat /proc/cmdline` ; do
38    echo $i | grep -qi ping= && ipcount=`echo $i | cut -d= -f2`
39    echo $i | grep -qi hwaddr= && hwaddr=`echo $i | cut -d= -f2  | tr '[a-z]' '[A-Z]'`
40    echo $i | grep -qi ipconf= && ipconf=`echo $i | cut -d= -f2`
41    echo $i | grep -qi netfsmount= && export netfsmount=`echo $i | cut -d= -f2`
42    echo $i | grep -qi netfsopt= && export netfsopt=`echo $i | cut -d= -f2`
43    echo $i | grep -qi prefix= && export imgname=`echo $i | cut -d= -f2`
44    echo $i | grep -qi netfspath= && export dirimg=`echo $i | cut -d= -f2`
45    echo $i | grep -qi pre= && pre=`echo $i | cut -d= -f2`
46    echo $i | grep -qi post= && post=`echo $i | cut -d= -f2`
47    echo $i | grep -qi proto= && proto=`echo $i | cut -d= -f2`
48    echo $i | grep -qi iproute= && iproute=`echo $i | cut -d= -f2`
49    echo $i | grep -qi ipmode= && ipmode=`echo $i | cut -d= -f2`
50done
51
52if [ "$ipdev" != "" ] || [ "$ipconf" != "" ]; then
53    # Network configuration stored during archive
54    # or on cmdline so network wanted => starting it
55    LogIt "INFO: Starting Network..."
56
57    # Activate loobback
58    ifconfig lo 127.0.0.1
59
60    # ipconf has priority
61    if [ "$ipconf" != "" ]; then
62        echo "$ipconf" | grep -q "dhcp"
63        if [ $? -eq 0 ]; then
64            ipdev=`echo $ipconf | cut -d: -f1`
65            ipmode="DHCP"
66        else
67            ipdev=`echo $ipconf | cut -d: -f1`
68            ipaddress=`echo $ipconf | cut -d: -f2`
69            ipnetmask=`echo $ipconf | cut -d: -f3`
70            ipbroadcast=`echo $ipconf | cut -d: -f4`
71            ipgateway=`echo $ipconf | cut -d: -f5`
72        fi
73    else
74        # Now relying on ipdev which isn't empty
75        # ipmode is either STATIC by default or DHCP if a parameter was passed
76        # If same system, map to the right MAC address
77
78        # Look at our previous device
79        hwaddr_found=`ifconfig $ipdev 2> /dev/null | grep HWaddr | awk '{print $NF}' | tr '[a-z]' '[A-Z]'`
80        if [ "$hwaddr_found" != "" ]; then
81            # That device always exists
82            if [ "$hwaddr" = "$hwaddr_found" ]; then
83                # No renaming took place use it
84                LogIt "INFO: Using device $ipdev (Mac Addr: $hwaddr_found)"
85            fi
86        else
87            # maybe there was a change of NIC numbering e.g.
88            # and the one used at backup doesn't exist anymore
89            # ipdev is not good anymore probably
90            oldipdev=$ipdev
91
92            for hwdev in `ifconfig -a | grep HWaddr | awk '{print $1}'` ; do
93                mac=`ifconfig $hwdev | grep HWaddr | awk '{print $NF}' | tr '[a-z]' '[A-Z]'`
94                if [ "$hwaddr" = "$mac" ]; then
95                    # This is the new device for the MAC address of our card at backup time
96                    LogIt "INFO: Interface with MAC address $hwaddr changed from $ipdev to $hwdev"
97                    LogIt "INFO: Using $hwdev for network configuration from now on"
98                    ipdev=$hwdev
99                    break
100                fi
101            done
102
103            if [ "$oldipdev" = "$ipdev" ]; then
104                # We didn't find a new device for this MAC and it doesn't exist
105                # Take the first interface and hope it's good
106                ipdev=`ifconfig -a | grep HWaddr | awk '{print $1}' | head -1`
107                LogIt "WARN: Using $ipdev as no device matches the MAC address $hwaddr"
108            fi
109        fi
110    fi
111
112    if [ "$ipmode" = "DHCP" ]; then
113        LogIt "INFO: Making DHCP request on $ipdev"
114        udhcpc -i $ipdev
115    else
116        LogIt "INFO: Configuring $ipdev statically ($ipaddress/$ipnetmask/$ipgateway)"
117        ifconfig $ipdev $ipaddress netmask $ipnetmask broadcast $ipbroadcast
118        route add default gw $ipgateway
119    fi
120    # Leave time to the stack to wake up (reported by some users)
121    sleep 5
122
123    # Handle a potential static route
124    if [ _"$iproute" != _"" ]; then
125        iproute=`echo $iproute | sed -i 's/:/ /g'`
126        LogIt "INFO: Adding static route with route add $iproute"
127        route add $iproute
128    fi
129
130    # ping gateway helps waking interface up
131    LogIt "INFO: Pinging Gateway $ipgateway..."
132    ping -c $ipcount $ipgateway
133
134    if [ "`grep -i drbd /proc/cmdline`" ]; then
135        # Time to exit for DRBD setup, the rest is for NETFS
136        exit 0
137    fi
138
139    # ping remote NETFS server
140    netfs_server_ipaddr=`echo $netfsmount | cut -d: -f1 | cut -d@ -f2`
141    LogIt "INFO: Pinging Remote server $netfs_server_ipaddr ..."
142    ping -c $ipcount $netfs_server_ipaddr 
143
144    # Which is our protocol for file sharing
145    if [ "$proto" = "" ]; then
146        LogIt "WARN: No protocol specified, defaulting to NFS"
147        proto="nfs"
148    fi
149
150    if [ "$proto" = "sshfs" ]; then
151        LogIt "INFO: Mounting SSHFS share ($netfsmount) on /tmp/isodir..."
152        # We need a correct console for ssh
153        ln -sf /dev/console /dev/tty
154        sshfs -o ro,StrictHostKeyChecking=no $netfsopt $netfsmount /tmp/isodir
155    elif [ "$proto" = "smbfs" ]; then
156        LogIt "INFO: Mounting SMBFS share ($netfsmount) on /tmp/isodir..."
157        mount -t cifs $netfsmount /tmp/isodir -o ro $netfsopt 
158    elif [ "$proto" != "" ]; then
159        if [ -x /sbin/rpcbind ]; then
160            echo "Starting rpcbind daemon..."
161            mkdir -p /var/cache/rpcbind /var/lib/rpcbind
162            /sbin/rpcbind -w &
163        fi
164        LogIt "INFO: Mounting Network share ($netfsmount) on /tmp/isodir..."
165        touch /etc/mtab
166        mount -t $proto -o nolock,ro $netfsopt $netfsmount /tmp/isodir
167    else
168        LogIt "ERROR: Unknown protocol $proto"
169    fi
170   
171    LogIt "INFO: Mounting Remote image ${imgname}-1.iso in $dirimg on /mnt/cdrom in loopback"
172    mount -o ro,loop -t iso9660 /tmp/isodir/$dirimg/${imgname}-1.iso /mnt/cdrom
173
174    # Save the scripts on the Network share locally
175    if [ "`echo $pre | grep -E '^/tmp/isodir'`" ]; then
176        cp $pre /tmp
177        LogIt "INFO: Copying $pre under /tmp"
178    fi
179    if [ "`echo $post | grep -E '^/tmp/isodir'`" ]; then
180        cp $post /tmp
181        LogIt "INFO: Copying $post under /tmp"
182    fi
183fi
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