xenserver/openvswitch-xen.spec

   1 # Spec file for Open vSwitch.
   2
   3 # Copyright (C) 2009, 2010, 2011 Nicira Networks, Inc.
   4 #
   5 # Copying and distribution of this file, with or without modification,
   6 # are permitted in any medium without royalty provided the copyright
   7 # notice and this notice are preserved.  This file is offered as-is,
   8 # without warranty of any kind.
   9
  10 # When building, the rpmbuild command line should define
  11 # openvswitch_version, xen_version, and build_number using -D arguments.
  12 # for example:
  13 #
  14 #    rpmbuild -D "openvswitch_version 0.8.9~1+build123" -D "xen_version 2.6.18-128.1.1.el5.xs5.1.0.483.1000xen" -D "build_number --with-build-number=123" -bb /usr/src/redhat/SPECS/openvswitch-xen.spec
  15 #
  16 %define version %{openvswitch_version}-%{xen_version}
  17
  18 Name: openvswitch
  19 Summary: Virtual switch
  20 Group: System Environment/Daemons
  21 URL: http://www.openvswitch.org/
  22 Vendor: Nicira Networks, Inc.
  23 Version: %{openvswitch_version}
  24
  25 # The entire source code is ASL 2.0 except datapath/ which is GPLv2
  26 License: ASL 2.0 and GPLv2
  27 Release: 1
  28 Source: openvswitch-%{openvswitch_version}.tar.gz
  29 Buildroot: /tmp/openvswitch-xen-rpm
  30 Requires: kernel-xen = %(echo '%{xen_version}' | sed 's/xen$//')
  31
  32 %description
  33 Open vSwitch provides standard network bridging functions augmented with
  34 support for the OpenFlow protocol for remote per-flow control of
  35 traffic.
  36
  37 %prep
  38 %setup -q -n openvswitch-%{openvswitch_version}
  39
  40 %build
  41 ./configure --prefix=/usr --sysconfdir=/etc --localstatedir=%{_localstatedir} --with-l26=/lib/modules/%{xen_version}/build --enable-ssl %{build_number}
  42 make %{_smp_mflags}
  43
  44 %install
  45 rm -rf $RPM_BUILD_ROOT
  46 make install DESTDIR=$RPM_BUILD_ROOT
  47 install -d -m 755 $RPM_BUILD_ROOT/etc
  48 install -d -m 755 $RPM_BUILD_ROOT/etc/init.d
  49 install -m 755 xenserver/etc_init.d_openvswitch \
  50          $RPM_BUILD_ROOT/etc/init.d/openvswitch
  51 install -m 755 xenserver/etc_init.d_openvswitch-xapi-update \
  52          $RPM_BUILD_ROOT/etc/init.d/openvswitch-xapi-update
  53 install -d -m 755 $RPM_BUILD_ROOT/etc/sysconfig
  54 install -d -m 755 $RPM_BUILD_ROOT/etc/logrotate.d
  55 install -m 755 xenserver/etc_logrotate.d_openvswitch \
  56          $RPM_BUILD_ROOT/etc/logrotate.d/openvswitch
  57 install -d -m 755 $RPM_BUILD_ROOT/etc/profile.d
  58 install -m 755 xenserver/etc_profile.d_openvswitch.sh \
  59          $RPM_BUILD_ROOT/etc/profile.d/openvswitch.sh
  60 install -d -m 755 $RPM_BUILD_ROOT/etc/xapi.d/plugins
  61 install -m 755 xenserver/etc_xapi.d_plugins_openvswitch-cfg-update \
  62          $RPM_BUILD_ROOT/etc/xapi.d/plugins/openvswitch-cfg-update
  63 install -d -m 755 $RPM_BUILD_ROOT/usr/share/openvswitch/scripts
  64 install -m 644 vswitchd/vswitch.ovsschema \
  65          $RPM_BUILD_ROOT/usr/share/openvswitch/vswitch.ovsschema
  66 install -m 755 xenserver/opt_xensource_libexec_interface-reconfigure \
  67              $RPM_BUILD_ROOT/usr/share/openvswitch/scripts/interface-reconfigure
  68 install -m 644 xenserver/opt_xensource_libexec_InterfaceReconfigure.py \
  69              $RPM_BUILD_ROOT/usr/share/openvswitch/scripts/InterfaceReconfigure.py
  70 install -m 644 xenserver/opt_xensource_libexec_InterfaceReconfigureBridge.py \
  71              $RPM_BUILD_ROOT/usr/share/openvswitch/scripts/InterfaceReconfigureBridge.py
  72 install -m 644 xenserver/opt_xensource_libexec_InterfaceReconfigureVswitch.py \
  73              $RPM_BUILD_ROOT/usr/share/openvswitch/scripts/InterfaceReconfigureVswitch.py
  74 install -m 755 xenserver/etc_xensource_scripts_vif \
  75              $RPM_BUILD_ROOT/usr/share/openvswitch/scripts/vif
  76 install -m 755 xenserver/usr_share_openvswitch_scripts_ovs-external-ids \
  77                $RPM_BUILD_ROOT/usr/share/openvswitch/scripts/ovs-external-ids
  78 install -m 755 xenserver/usr_share_openvswitch_scripts_refresh-xs-network-uuids \
  79                $RPM_BUILD_ROOT/usr/share/openvswitch/scripts/refresh-xs-network-uuids
  80 install -m 755 xenserver/usr_sbin_xen-bugtool \
  81              $RPM_BUILD_ROOT/usr/share/openvswitch/scripts/xen-bugtool
  82 install -m 755 xenserver/usr_sbin_brctl \
  83              $RPM_BUILD_ROOT/usr/share/openvswitch/scripts/brctl
  84 install -m 755 xenserver/usr_share_openvswitch_scripts_sysconfig.template \
  85          $RPM_BUILD_ROOT/usr/share/openvswitch/scripts/sysconfig.template
  86 install -m 755 utilities/ovs-save \
  87          $RPM_BUILD_ROOT/usr/share/openvswitch/scripts/ovs-save
  88 install -d -m 755 $RPM_BUILD_ROOT/usr/lib/xsconsole/plugins-base
  89 install -m 644 \
  90         xenserver/usr_lib_xsconsole_plugins-base_XSFeatureVSwitch.py \
  91                $RPM_BUILD_ROOT/usr/lib/xsconsole/plugins-base/XSFeatureVSwitch.py
  92
  93 install -d -m 755 $RPM_BUILD_ROOT/lib/modules/%{xen_version}/kernel/extra/openvswitch
  94 find datapath/linux-2.6 -name *.ko -exec install -m 755  \{\} $RPM_BUILD_ROOT/lib/modules/%{xen_version}/kernel/extra/openvswitch \;
  95 install xenserver/uuid.py $RPM_BUILD_ROOT/usr/share/openvswitch/python
  96
  97 # Get rid of stuff we don't want to make RPM happy.
  98 rm \
  99     $RPM_BUILD_ROOT/usr/bin/ovs-controller \
 100     $RPM_BUILD_ROOT/usr/bin/ovs-discover \
 101     $RPM_BUILD_ROOT/usr/bin/ovs-kill \
 102     $RPM_BUILD_ROOT/usr/bin/ovs-openflowd \
 103     $RPM_BUILD_ROOT/usr/bin/ovs-pki \
 104     $RPM_BUILD_ROOT/usr/share/man/man8/ovs-controller.8 \
 105     $RPM_BUILD_ROOT/usr/share/man/man8/ovs-discover.8 \
 106     $RPM_BUILD_ROOT/usr/share/man/man8/ovs-kill.8 \
 107     $RPM_BUILD_ROOT/usr/share/man/man8/ovs-openflowd.8 \
 108     $RPM_BUILD_ROOT/usr/share/man/man8/ovs-pki.8
 109
 110 install -d -m 755 $RPM_BUILD_ROOT/var/lib/openvswitch
 111
 112 %clean
 113 rm -rf $RPM_BUILD_ROOT
 114
 115 %post
 116 if [ ! -f /etc/xensource-inventory ]; then
 117     printf "XenSource inventory not present in /etc/xensource-inventory"
 118     exit 1
 119 fi
 120 . /etc/xensource-inventory
 121
 122 if [ "$1" = "1" ]; then
 123     if md5sum -c --status <<EOF
 124 ca141d60061dcfdade73e75abc6529b5  /usr/sbin/brctl
 125 b8e9835862ef1a9cec2a3f477d26c989  /etc/xensource/scripts/vif
 126 51970ad613a3996d5997e18e44db47da  /opt/xensource/libexec/interface-reconfigure
 127 5654c8c36699fcc8744ca9cd5b855414  /usr/sbin/xen-bugtool
 128 EOF
 129     then
 130         printf "\nVerified host scripts from XenServer 5.5.0.\n\n"
 131     elif md5sum -c --status <<EOF
 132 ca141d60061dcfdade73e75abc6529b5  /usr/sbin/brctl
 133 b8e9835862ef1a9cec2a3f477d26c989  /etc/xensource/scripts/vif
 134 51970ad613a3996d5997e18e44db47da  /opt/xensource/libexec/interface-reconfigure
 135 f6519085c2fc5f7bc4eccc294ed62000  /usr/sbin/xen-bugtool
 136 EOF
 137     then
 138         printf "\nVerified host scripts from XenServer 5.5.0-24648p (Update 1)\n"
 139         printf "or 5.5.0-25727p (Update 2).\n\n"
 140     elif md5sum -c --status <<EOF
 141 ca141d60061dcfdade73e75abc6529b5  /usr/sbin/brctl
 142 02cf136237ed85fcbcc1efc15ce0591c  /opt/xensource/libexec/interface-reconfigure
 143 3a192ee70ebf2153c90051b3af95f331  /opt/xensource/libexec/InterfaceReconfigureBridge.py
 144 f71cadf1464caefa7943de0ab47fdd8a  /opt/xensource/libexec/InterfaceReconfigure.py
 145 d70f08f235fb1bfd49a0580e440f15a0  /opt/xensource/libexec/InterfaceReconfigureVswitch.py
 146 f5c85ca825b1e6f5a0845530981cd836  /etc/xensource/scripts/vif
 147 facb851606f82ca2bcc760a4d91bbe33  /usr/sbin/xen-bugtool
 148 EOF
 149     then
 150         printf "\nVerified host scripts from XenServer 5.5.900-29381p.\n\n"
 151     else
 152 cat <<EOF
 153
 154 The original XenServer scripts replaced by this package are not those
 155 of any supported version of XenServer.  This could lead to unexpected
 156 behavior of your server.  Unless you are sure you know what you are
 157 doing, it is highly recommended that you remove this package
 158 immediately after the install completes, which will restore the
 159 XenServer scripts that you were previously using.
 160
 161 EOF
 162     fi
 163 fi
 164
 165 # On XenServer 5.5.0, we need refresh-xs-network-uuids to run whenever
 166 # XAPI starts or restarts.  (On XenServer 5.6.0, XAPI calls the
 167 # "update" method of the vswitch-cfg-update plugin whenever it starts
 168 # or restarts, so this is no longer necessary.)
 169 if test "$PRODUCT_VERSION" = "5.5.0"; then
 170     RNU=/usr/share/openvswitch/scripts/refresh-xs-network-uuids
 171     XSS=/opt/xensource/libexec/xapi-startup-script
 172     if test -e $XSS && (test ! -L $XSS || test "`readlink $XSS`" != $RNU); then
 173         echo "$XSS is already in use, refusing to overwrite"
 174         exit 1
 175     fi
 176     rm -f $XSS
 177     ln -s $RNU $XSS
 178
 179     # If /etc/xensource/network.conf doesn't exist (it was added in 5.6.0),
 180     # then interface-reconfigure will be unhappy when we run it below.
 181     if test ! -e /etc/xensource/network.conf; then
 182         echo bridge > /etc/xensource/network.conf
 183     fi
 184 fi
 185
 186
 187 if test ! -e /var/xapi/network.dbcache; then
 188     if test "$1" = 1; then
 189         printf "Creating xapi database cache...  "
 190     else
 191         printf "warning: Open vSwitch is being re-installed or upgraded,\n"
 192         printf "         but the xapi database cache is missing.\n"
 193         printf "Re-creating xapi database cache...  "
 194     fi
 195
 196     if /usr/share/openvswitch/scripts/interface-reconfigure rewrite; then
 197         printf "done.\n"
 198     else
 199         printf "FAILED\n"
 200         printf "Open vSwitch can only be installed on a XenServer that\n"
 201         printf "has connectivity to xapi on the pool master.  Please\n"
 202         printf "fix connectivity to the pool master, then try again.\n"
 203         exit 1
 204     fi
 205 fi
 206
 207 # Ensure that modprobe will find our modules.
 208 depmod %{xen_version}
 209
 210 if grep -F net.ipv4.conf.all.arp_filter /etc/sysctl.conf >/dev/null 2>&1; then :; else
 211     cat >>/etc/sysctl.conf <<EOF
 212 # This works around an issue in xhad, which binds to a particular
 213 # Ethernet device, which in turn causes ICMP port unreachable messages
 214 # if packets are received are on the wrong interface, which in turn
 215 # can happen if we send out ARP replies on every interface (as Linux
 216 # does by default) instead of just on the interface that has the IP
 217 # address being ARPed for, which this sysctl setting in turn works
 218 # around.
 219 #
 220 # Bug #1378.
 221 net.ipv4.conf.all.arp_filter = 1
 222 EOF
 223 fi
 224
 225 if test ! -e /etc/openvswitch/conf.db; then
 226     install -d -m 755 -o root -g root /etc/openvswitch
 227
 228     # Create ovs-vswitchd config database
 229     ovsdb-tool -vANY:console:emer create /etc/openvswitch/conf.db \
 230             /usr/share/openvswitch/vswitch.ovsschema
 231
 232     # Create initial table in config database
 233     ovsdb-tool -vANY:console:emer transact /etc/openvswitch/conf.db \
 234             '[{"op": "insert", "table": "Open_vSwitch", "row": {}}]' \
 235             > /dev/null
 236 fi
 237
 238 # Create default or update existing /etc/sysconfig/openvswitch.
 239 SYSCONFIG=/etc/sysconfig/openvswitch
 240 TEMPLATE=/usr/share/openvswitch/scripts/sysconfig.template
 241 if [ ! -e $SYSCONFIG ]; then
 242     cp $TEMPLATE $SYSCONFIG
 243 else
 244     for var in $(awk -F'[ :]' '/^# [_A-Z0-9]+:/{print $2}' $TEMPLATE)
 245     do
 246         if ! grep $var $SYSCONFIG >/dev/null 2>&1; then
 247             echo >> $SYSCONFIG
 248             sed -n "/$var:/,/$var=/p" $TEMPLATE >> $SYSCONFIG
 249         fi
 250     done
 251 fi
 252
 253 # Replace XenServer files by our versions.
 254 mkdir -p /usr/lib/openvswitch/xs-original \
 255     || printf "Could not create script backup directory.\n"
 256 for f in \
 257     /opt/xensource/libexec/interface-reconfigure \
 258     /opt/xensource/libexec/InterfaceReconfigure.py \
 259     /opt/xensource/libexec/InterfaceReconfigureBridge.py \
 260     /opt/xensource/libexec/InterfaceReconfigureVswitch.py \
 261     /etc/xensource/scripts/vif \
 262     /usr/sbin/xen-bugtool \
 263     /usr/sbin/brctl
 264 do
 265     s=$(basename "$f")
 266     t=$(readlink "$f")
 267     if [ -f "$f" ] && [ "$t" != "/usr/share/openvswitch/scripts/$s" ]; then
 268         mv "$f" /usr/lib/openvswitch/xs-original/ \
 269             || printf "Could not save original XenServer $s script\n"
 270         ln -s "/usr/share/openvswitch/scripts/$s" "$f" \
 271             || printf "Could not link to Open vSwitch $s script\n"
 272     fi
 273 done
 274
 275 # Ensure all required services are set to run
 276 for s in openvswitch openvswitch-xapi-update; do
 277     if chkconfig --list $s >/dev/null 2>&1; then
 278         chkconfig --del $s || printf "Could not remove $s init script."
 279     fi
 280     chkconfig --add $s || printf "Could not add $s init script."
 281     chkconfig $s on || printf "Could not enable $s init script."
 282 done
 283
 284 # Configure system to use Open vSwitch
 285 echo vswitch > /etc/xensource/network.conf
 286
 287 if [ "$1" = "1" ]; then    # $1 = 2 for upgrade
 288     printf "\nYou MUST reboot the server NOW to complete the change to\n"
 289     printf "Open vSwitch.  Attempts to modify networking on the server\n"
 290     printf "or any hosted VM will fail until after the reboot and could\n"
 291     printf "leave the server in an state requiring manual recovery.\n\n"
 292 else
 293     printf "\nTo use the new Open vSwitch install, you should reboot the\n"
 294     printf "server now.  Failure to do so may result in incorrect operation."
 295     printf "\n\n"
 296 fi
 297
 298 %preun
 299 if [ "$1" = "0" ]; then     # $1 = 1 for upgrade
 300     for s in openvswitch openvswitch-xapi-update; do
 301         chkconfig --del $s || printf "Could not remove $s init script."
 302     done
 303 fi
 304
 305
 306 %postun
 307 if [ "$1" = "0" ]; then     # $1 = 1 for upgrade
 308     . /etc/xensource-inventory
 309     if test "$PRODUCT_VERSION" = "5.5.0"; then
 310         XSS=/opt/xensource/libexec/xapi-startup-script
 311         rm -f $XSS
 312     fi
 313
 314     rm -f /usr/lib/xsconsole/plugins-base/XSFeatureVSwitch.pyc \
 315         /usr/lib/xsconsole/plugins-base/XSFeatureVSwitch.pyo
 316
 317     rm -f /usr/share/openvswitch/scripts/InterfaceReconfigure.pyc \
 318         /usr/share/openvswitch/scripts/InterfaceReconfigure.pyo \
 319         /usr/share/openvswitch/scripts/InterfaceReconfigureBridge.pyc \
 320         /usr/share/openvswitch/scripts/InterfaceReconfigureBridge.pyo \
 321         /usr/share/openvswitch/scripts/InterfaceReconfigureVSwitch.pyc \
 322         /usr/share/openvswitch/scripts/InterfaceReconfigureVSwitch.pyo
 323
 324     # Restore original XenServer scripts
 325     for f in \
 326         /opt/xensource/libexec/interface-reconfigure \
 327         /opt/xensource/libexec/InterfaceReconfigure.py \
 328         /opt/xensource/libexec/InterfaceReconfigureBridge.py \
 329         /opt/xensource/libexec/InterfaceReconfigureVswitch.py \
 330         /etc/xensource/scripts/vif \
 331         /usr/sbin/xen-bugtool \
 332         /usr/sbin/brctl
 333     do
 334         s=$(basename "$f")
 335         if [ ! -f "/usr/lib/openvswitch/xs-original/$s" ]; then
 336             printf "Original XenServer $s script not present in /usr/lib/openvswitch/xs-original\n"
 337             printf "Could not restore original XenServer script.\n"
 338         else
 339             (rm -f "$f" \
 340                 && mv "/usr/lib/openvswitch/xs-original/$s" "$f") \
 341                 || printf "Could not restore original XenServer $s script.\n"
 342         fi
 343     done
 344
 345     # Remove all configuration files
 346     rm -f /etc/openvswitch/conf.db
 347     rm -f /etc/sysconfig/openvswitch
 348     rm -f /etc/openvswitch/vswitchd.cacert
 349     rm -f /var/xapi/network.dbcache
 350
 351     if test "$PRODUCT_VERSION" != "5.5.0"; then
 352         # Configure system to use bridge
 353         echo bridge > /etc/xensource/network.conf
 354     else
 355         # Get rid of network.conf entirely, to make the system pristine.
 356         rm -f /etc/xensource/network.conf
 357     fi
 358
 359     printf "\nYou MUST reboot the server now to complete the change to\n"
 360     printf "standard Xen networking.  Attempts to modify networking on the\n"
 361     printf "server or any hosted VM will fail until after the reboot and\n"
 362     printf "could leave the server in a state requiring manual recovery.\n\n"
 363 fi
 364
 365
 366 %files
 367 %defattr(-,root,root)
 368 /etc/init.d/openvswitch
 369 /etc/init.d/openvswitch-xapi-update
 370 /etc/xapi.d/plugins/openvswitch-cfg-update
 371 /etc/logrotate.d/openvswitch
 372 /etc/profile.d/openvswitch.sh
 373 /lib/modules/%{xen_version}/kernel/extra/openvswitch/openvswitch_mod.ko
 374 /lib/modules/%{xen_version}/kernel/extra/openvswitch/brcompat_mod.ko
 375 /usr/share/openvswitch/python/ovs/__init__.py
 376 /usr/share/openvswitch/python/ovs/daemon.py
 377 /usr/share/openvswitch/python/ovs/db/__init__.py
 378 /usr/share/openvswitch/python/ovs/db/data.py
 379 /usr/share/openvswitch/python/ovs/db/error.py
 380 /usr/share/openvswitch/python/ovs/db/idl.py
 381 /usr/share/openvswitch/python/ovs/db/parser.py
 382 /usr/share/openvswitch/python/ovs/db/schema.py
 383 /usr/share/openvswitch/python/ovs/db/types.py
 384 /usr/share/openvswitch/python/ovs/dirs.py
 385 /usr/share/openvswitch/python/ovs/fatal_signal.py
 386 /usr/share/openvswitch/python/ovs/json.py
 387 /usr/share/openvswitch/python/ovs/jsonrpc.py
 388 /usr/share/openvswitch/python/ovs/ovsuuid.py
 389 /usr/share/openvswitch/python/ovs/poller.py
 390 /usr/share/openvswitch/python/ovs/process.py
 391 /usr/share/openvswitch/python/ovs/reconnect.py
 392 /usr/share/openvswitch/python/ovs/socket_util.py
 393 /usr/share/openvswitch/python/ovs/stream.py
 394 /usr/share/openvswitch/python/ovs/timeval.py
 395 /usr/share/openvswitch/python/ovs/util.py
 396 /usr/share/openvswitch/python/uuid.py
 397 /usr/share/openvswitch/scripts/ovs-external-ids
 398 /usr/share/openvswitch/scripts/refresh-xs-network-uuids
 399 /usr/share/openvswitch/scripts/interface-reconfigure
 400 /usr/share/openvswitch/scripts/InterfaceReconfigure.py
 401 /usr/share/openvswitch/scripts/InterfaceReconfigureBridge.py
 402 /usr/share/openvswitch/scripts/InterfaceReconfigureVswitch.py
 403 /usr/share/openvswitch/scripts/vif
 404 /usr/share/openvswitch/scripts/xen-bugtool
 405 /usr/share/openvswitch/scripts/brctl
 406 /usr/share/openvswitch/scripts/sysconfig.template
 407 /usr/share/openvswitch/scripts/ovs-save
 408 /usr/share/openvswitch/vswitch.ovsschema
 409 /usr/sbin/ovs-brcompatd
 410 /usr/sbin/ovs-vswitchd
 411 /usr/sbin/ovsdb-server
 412 /usr/bin/ovs-appctl
 413 /usr/bin/ovs-dpctl
 414 /usr/bin/ovs-ofctl
 415 /usr/bin/ovs-pcap
 416 /usr/bin/ovs-tcpundump
 417 /usr/bin/ovs-vlan-test
 418 /usr/bin/ovs-vsctl
 419 /usr/bin/ovsdb-client
 420 /usr/bin/ovsdb-tool
 421 /usr/lib/xsconsole/plugins-base/XSFeatureVSwitch.py
 422 /usr/share/man/man1/ovsdb-client.1.gz
 423 /usr/share/man/man1/ovsdb-server.1.gz
 424 /usr/share/man/man1/ovsdb-tool.1.gz
 425 /usr/share/man/man5/ovs-vswitchd.conf.db.5.gz
 426 /usr/share/man/man8/ovs-appctl.8.gz
 427 /usr/share/man/man8/ovs-brcompatd.8.gz
 428 /usr/share/man/man8/ovs-dpctl.8.gz
 429 /usr/share/man/man8/ovs-ofctl.8.gz
 430 /usr/share/man/man8/ovs-parse-leaks.8.gz
 431 /usr/share/man/man1/ovs-pcap.1.gz
 432 /usr/share/man/man1/ovs-tcpundump.1.gz
 433 /usr/share/man/man8/ovs-vlan-test.8.gz
 434 /usr/share/man/man8/ovs-vsctl.8.gz
 435 /usr/share/man/man8/ovs-vswitchd.8.gz
 436 /var/lib/openvswitch
 437 %exclude /usr/lib/xsconsole/plugins-base/*.py[co]
 438 %exclude /usr/share/openvswitch/scripts/*.py[co]
 439 %exclude /usr/share/openvswitch/python/*.py[co]
 440 %exclude /usr/share/openvswitch/python/ovs/*.py[co]
 441 %exclude /usr/share/openvswitch/python/ovs/db/*.py[co]