source: fedkit/federate.sh @ 5e71d34

Last change on this file since 5e71d34 was e26c240, checked in by Ted Faber <faber@…>, 15 years ago

call out to configure external addresses

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File size: 6.9 KB
Line 
1#!/bin/sh
2
3# Set up a federated environment on a client.  Unmount all local file systems,
4# erase all local accounts and then bring in accounts and file systems from the
5# master testbed.  Once all that's done, restore client communication to the
6# local bossnode and execute any startup command passed in as arguments to this
7# script.
8
9
10# The file containing the DNS name of the current boss
11BOSSNODE="/usr/local/etc/emulab/bossnode"
12
13# Ports that the master gateway will forward
14PORTS="139 7777"
15# network cat command (to listen for the gateway)
16NC="/usr/bin/nc"
17# Emulab rc scripts directory
18RCDIR="/usr/local/etc/emulab/rc"
19
20# Emulab rc script to reset accounts and federation srcipt to start the smb
21# automount process.
22RCACCT="rc.accounts"
23SMBMOUNT="smbmount.`uname`.pl"
24
25# Find the right version of pkill.  For killing.
26if [ -x "/usr/bin/pkill" ] ; then 
27        PKILL="/usr/bin/pkill"
28else
29        if [ -x "/bin/pkill" ] ; then 
30                PKILL="/bin/pkill"
31        else
32                PKILL="echo"
33        fi
34fi
35
36if [ -x "/usr/bin/perl" ]; then
37    PERL="/usr/bin/perl"
38else
39    if [ -x "/usr/local/bin/perl" ]; then
40        PERL="/usr/local/bin/perl"
41    else
42        # Wing it...
43        PERL="perl"
44    fi
45fi
46
47# Find somewhere safe to stop
48cd /tmp
49
50if [ -f $BOSSNODE ]
51then
52        rm -f $BOSSNODE
53fi
54
55EMUDIR="/usr/local/etc/emulab/"
56
57# Find this experiment's stashed scripts.  (Perl for advanced parsing)
58PROJECT=`$EMUDIR/tmcc -b status | $PERL -ne '/ALLOCATED=([^\/]+)\/([^\s]+)/ && print "$1\n";'`
59EXP=`$EMUDIR/tmcc -b status | $PERL -ne '/ALLOCATED=([^\/]+)\/([^\s]+)/ && print "$2\n";'`
60CONFIGDIR="/proj/$PROJECT/exp/$EXP/tmp"
61SCRIPTDIR="/usr/local/federation/bin"
62
63# Die if Scripts are not where they should be.  NB, this is checked by the
64# bootstrapper, too, so a failure here is unlikely.
65if [ -z "$CONFIGDIR" ] ; then
66    echo "Can't find federation configs.  Tmcc status says:"
67    $EMUDIR/tmcc -b status
68    exit 1;
69fi
70
71# Leave the client configuration information where clients can use it
72mkdir -p "/usr/local/federation/etc"
73cp "$CONFIGDIR/client.conf" "/usr/local/federation/etc"
74chmod 644 "/usr/local/federation/etc/client.conf"
75# Capture accounts to remove for rc.fedaccounts
76$EMUDIR/tmcc -b accounts > /usr/local/federation/etc/old_accts
77chmod 644 "/usr/local/federation/etc/old_accts"
78
79# Get our gateway, share, and mount user from the configuration file.
80# There's probably a way to get all three at once, but this works.
81GATEWAY=`$PERL -ne '/ControlGateway:\s+(.*)/i && print "$1\n";' $CONFIGDIR/client.conf`
82SHARE=`$PERL -ne '/SMBShare:\s+(.*)/i && print "$1\n";' $CONFIGDIR/client.conf`
83SMBUSER=`$PERL -ne '/ProjectUser:\s+(.*)/i && print "$1\n";' $CONFIGDIR/client.conf`
84SMBPROJECT=`$PERL -ne '/ProjectName:\s+(.*)/i && print "$1\n";' $CONFIGDIR/client.conf`
85
86# If this is empty confusion reigns.  Set a default.
87if [ -z "$SHARE" ]; then
88        SHARE="USERS"
89fi
90
91# XXX: modified seer daemon to read a config file.  Not in the tarfile yet.  If
92# we see one, and there's a /usr/seer/backend/daemon.py, replace that one with
93# the local one.
94if [ -e /usr/seer/backend/daemon.py ] && [ -e $SCRIPTDIR/daemon.py ]; then
95        /bin/cp $SCRIPTDIR/daemon.py /usr/seer/backend/daemon.py
96fi
97
98if [ -e /usr/seer/backend/experiment-setup.py ] && [ -e $SCRIPTDIR/experiment-setup.py ]; then
99        /bin/cp $SCRIPTDIR/experiment-setup.py /usr/seer/backend/experiment-setup.py
100fi
101
102# Copy the seer.conf to the local /tmp if there is one
103
104if [ -e $CONFIGDIR/seer.conf ]; then
105        /bin/cp $CONFIGDIR/seer.conf /tmp
106fi
107
108while [ -z "$GWIP" ]; do
109        GWIP=`host -N 10 $GATEWAY | $PERL -ne 's/.* has address // && print;'`
110        echo "GWIP is $GWIP"
111        sleep 10
112done
113# Copy the global hostnames file into /etc/hosts so this node can address
114# others in the experiment on other testbeds.  The extra steps preserves teh
115# localhost entry that's aliased to this host's name.
116grep 127\\.0\\.0\\.1 /etc/hosts > /tmp/hosts
117cat "$CONFIGDIR/hosts" >> /tmp/hosts
118# If there's no node in this experiment called control, fake one so
119# that SEER events get through (if SEER's in use)
120if ! grep -q control $CONFIGDIR/hosts; then
121        echo "$GWIP     control.$EXP.$PROJECT" >> /tmp/hosts
122fi
123cp /tmp/hosts /etc/hosts && rm /tmp/hosts
124
125#
126# Spin on our gateway!
127#
128
129echo "Waiting for the tunnel to come online."
130
131for port in $PORTS
132do
133        until $NC -z $GATEWAY $port
134        do
135                sleep 5
136        done
137done
138
139#
140# Setup TMCC to use our gateway
141#
142
143echo "Configuring TMCC."
144echo $GATEWAY > $BOSSNODE
145
146# Capture new accounts  for rc.fedaccounts
147$EMUDIR/tmcc -b accounts > /usr/local/federation/etc/accts
148chmod 644 "/usr/local/federation/etc/accts"
149
150#
151# Unmount stuff before messing with accounts
152#
153
154case `uname` in
155        "FreeBSD")
156                umount -A -f -t nfs,smbfs,cifs
157                ;;
158        "Linux")
159                # Linux doesn't believe in -A so pull the filesystems out of
160                # /etc/mtab and umount them individually
161                for f in `$PERL -nae 'print "$F[1]\n" if $F[2] =~ /(nfs|cifs|smbfs)/;' /etc/mtab`; do
162                        umount -f $f
163                done
164                ;;
165esac
166
167#
168# Setup new accounts
169#
170
171# Clear the cache, just in case:
172rm -f /var/emulab/boot/tmcc/accounts
173
174/usr/local/federation/bin/rc.fedaccounts
175
176#
177# Call the smbmount perl script, this invokes the automounter to mount the
178# needed smb filesystems.
179#
180echo "Mounting via SMB."
181$PERL "/usr/local/federation/bin/$SMBMOUNT" $SHARE $GATEWAY $SMBUSER $SMBPROJECT
182
183echo "Restoring old bossnode"
184# remove bossnode override
185/bin/rm -f $BOSSNODE
186# Also clear any cached data that might interfere with rourte construction.
187/bin/rm -f /var/emulab/boot/tmcc/ifconfig
188
189# if threr are external IP addresses that need to be configured, bring them up.
190$PERL /usr/local/federation/bin/config_from_tunnelip.pl
191
192# I remain unclear why ospfd seems screwed up after the resetting of accounts
193# and mounts.  This seems to fix it, but it's not very satisfying.  At this
194# point the federated topology is complete, so any problems with routing in a
195# partial topology -e.g. failed or partial bridging - that might have confused
196# the router should be gone.
197$PKILL ospf
198$PKILL gated
199# XXX Danger, hack ahead.  Apparently our FC6-SMB image and emulab disagree
200# about where gated lives.  This will alias it.
201if [ ! -x /usr/sbin/gated ] ; then 
202        if [ -x /sbin/gated ] ; then
203                ln /sbin/gated /usr/sbin/gated
204        fi
205fi
206/usr/local/etc/emulab/rc/rc.route boot
207
208# And restore the ifconfig information because SEER wants it. (SEER pulls this
209# from tmcc now
210# "$EMUDIR/tmcc" ifconfig > /var/emulab/boot/tmcc/ifconfig
211
212# SEER feels pain and confusion if times are wrong.  This lays a big lick on
213# ntp sets the time directly and then restarts it.  XXX FreeBSD incantation is
214# untested.
215
216case `uname` in
217        "FreeBSD")
218                /etc/rc.d/ntpd stop
219                /usr/sbin/ntpdate boss
220                /etc/rc.d/ntpd start
221                ;;
222        "Linux")
223                /etc/rc.d/init.d/ntpd stop
224                /usr/sbin/ntpdate boss
225                /etc/rc.d/init.d/ntpd start
226                ;;
227esac
228
229# Execute any command passed in as a startcmd.  This basically daisy chains the
230# startcmd.  This needs to become a perl script to have uniform behavior here.
231echo "*$1* *$2*"
232if [ ! -z "$1" ]; then 
233        echo "calling *$1* *$2*"
234        case `uname` in
235                "FreeBSD")
236                        su -l "$1" -c "$2"
237                        ;;
238                "Linux")
239                        su "$1" --command="$2"
240                        ;;
241        esac
242fi
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