git.onelab.eu Git - build.git/blob

1 #!/bin/bash

2 # -*-shell-*-

4 #shopt -s huponexit

6 COMMAND=$(basename $0)

7 DIRNAME=$(dirname $0)

9 # pkgs parsing utilities

10 PATH=$(dirname $0):$PATH export PATH

11 . build.common

13 DEFAULT_FCDISTRO=f16

14 DEFAULT_PLDISTRO=planetlab

15 DEFAULT_PERSONALITY=linux64

16 DEFAULT_IFNAME=eth0

18 COMMAND_VBUILD="vbuild-init-lxc.sh"

19 COMMAND_MYPLC="vtest-init-lxc.sh"

21 lxc_version="0.8.0-rc2"

23 function bridge_init () {

25 # turn on verbosity

26 set -x

28 # constant

29 INTERFACE_BRIDGE=br0

31 # Default Value for INTERFACE_LAN

32 INTERFACE_LAN=$(netstat -rn | grep '^0.0.0.0' | awk '{print $8;}')

35 echo "========== $COMMAND: entering start - beg"

36 hostname

37 uname -a

38 ifconfig

39 netstat -rn

40 echo "========== $COMMAND: entering start - end"

42 # disable netfilter calls for bridge interface (they cause panick on 2.6.35 anyway)

43 #

44 # another option would be to accept the all forward packages for

45 # bridged interface like: -A FORWARD -m physdev --physdev-is-bridged -j ACCEPT

46 sysctl net.bridge.bridge-nf-call-iptables=0

47 sysctl net.bridge.bridge-nf-call-ip6tables=0

48 sysctl net.bridge.bridge-nf-call-arptables=0

50 # take extra arg for ifname, if provided

51 [ -n "$1" ] && { INTERFACE_LAN=$1; shift ; }

53 #if we have already configured the same host_box no need to do it again

54 /sbin/ifconfig $INTERFACE_BRIDGE &> /dev/null && {

55 echo "Bridge interface $INTERFACE_BRIDGE already set up - $COMMAND start exiting"

56 return 0

57 }

58 /sbin/ifconfig $INTERFACE_LAN &>/dev/null || {

59 echo "Cannot use interface $INTERFACE_LAN - exiting"

60 exit 1

61 }

64 #Getting host IP/masklen

65 address=$(/sbin/ip addr show $INTERFACE_LAN | grep -v inet6 | grep inet | head --lines=1 | awk '{print $2;}')

66 [ -z "$address" ] && { echo "ERROR: Could not determine IP address for $INTERFACE_LAN" ; exit 1 ; }

68 broadcast=$(/sbin/ip addr show $INTERFACE_LAN | grep -v inet6 | grep inet | head --lines=1 | awk '{print $4;}')

69 [ -z "$broadcast" ] && echo "WARNING: Could not determine broadcast address for $INTERFACE_LAN"

71 gateway=$(netstat -rn | grep '^0.0.0.0' | awk '{print $2;}')

72 [ -z "$gateway" ] && echo "WARNING: Could not determine gateway IP"

74 # creating the bridge

75 echo "Creating bridge INTERFACE_BRIDGE=$INTERFACE_BRIDGE"

76 brctl addbr $INTERFACE_BRIDGE

77 #brctl stp $INTERFACE_BRIDGE yes

78 brctl addif $INTERFACE_BRIDGE $INTERFACE_LAN

79 echo "Activating promiscuous mode INTERFACE_LAN=$INTERFACE_LAN"

80 /sbin/ifconfig $INTERFACE_LAN 0.0.0.0 promisc up

81 sleep 2

82 echo "Setting bridge address=$address broadcast=$broadcast"

83 # static

84 /sbin/ifconfig $INTERFACE_BRIDGE $address broadcast $broadcast up

85 sleep 1

87 #Reconfigure the routing table

88 echo "Configuring gateway=$gateway"

89 route add default gw $gateway

91 echo "========== $COMMAND: exiting start - beg"

92 ifconfig

93 netstat -rn

94 echo "========== $COMMAND: exiting start - end"

97 return 0

99 }

100

101

102 function failure () {

103 echo "$COMMAND : Bailing out"

104 exit 1

105 }

106

107 function cidr_notation () {

108

109 netmask=$1; shift

110 cidr=0

111 for i in $(seq 1 4) ; do

112 part=$(echo $netmask | cut -d. -f $i)

113 case $part in

114 "255") cidr=$((cidr + 8));;

115 "254") cidr=$((cidr + 7));;

116 "252") cidr=$((cidr + 6));;

117 "248") cidr=$((cidr + 5));;

118 "240") cidr=$((cidr + 4));;

119 "224") cidr=$((cidr + 3));;

120 "192") cidr=$((cidr + 2));;

121 "128") cidr=$((cidr + 1));;

122 "0") cidr=$((cidr + 0));;

123 esac

124 done

125 echo $cidr

126

127 }

128

129 function check_yum_installed () {

130 package=$1; shift

131 rpm -q $package >& /dev/null || yum -y install $package

132 }

133

134 function check_yumgroup_installed () {

135 group="$1"; shift

136 yum grouplist "$group" | grep -q Installed || { yum -y groupinstall "$group" ; }

137 }

138

139 function prepare_host() {

140

141 #################### lxc-tools : rebuild as current fedora release has flaws

142 #install development tools

143 check_yumgroup_installed "Development Tools"

144 #install libcap-devel, libvirt

145 check_yum_installed libcap-devel

146 check_yum_installed libvirt

147

148 #retrieve and install lxc from sources

149 raw_version=$(lxc-version ||: )

150 lxc_installed_version=$(echo $raw_version | sed -e 's,.*: ,,')

151 if [ "$lxc_installed_version" != "$lxc_version" ] ; then

152 echo "Expecting version" '['$lxc_version']'

153 echo "Found version" '['$lxc_installed_version']'

154 echo "Installing lxc ..."

155 cd /root

156 git clone git://lxc.git.sourceforge.net/gitroot/lxc/lxc

157 cd lxc

158 git checkout $lxc_version

159 ./autogen.sh

160 ./configure --prefix=/usr

161 make

162 make install

163 fi

164

165 # #create a placeholder (just a hack to make lxc works)

166 # [ -d "/usr/local/var/lib" ] || mkdir -p /usr/local/var/lib

167

168 #################### bride initialization

169 check_yum_installed bridge-utils

170 #Bridge init

171 isInstalled=$(netstat -rn | grep '^0.0.0.0' | awk '{print $8;}')

172 if [ "$isInstalled" != "br0" ] ; then

173 bridge_init

174 sleep5

175 fi

176

177 return 0

178 }

179

180

181

182 function configure_fedora() {

183

184 # disable selinux in fedora

185 mkdir -p $rootfs_path/selinux

186 echo 0 > $rootfs_path/selinux/enforce

187

188 # configure the network

189

190 cat <<EOF > ${rootfs_path}/etc/sysconfig/network-scripts/ifcfg-$IFNAME

191 DEVICE=$IFNAME

192 BOOTPROTO=static

193 ONBOOT=yes

194 HOSTNAME=$HOSTNAME

195 IPADDR=$IP

196 NETMASK=$NETMASK

197 GATEWAY=$GATEWAY

198 NM_CONTROLLED=no

199 TYPE=Ethernet

200 MTU=1500

201 EOF

202

203 # set the hostname

204 cat <<EOF > ${rootfs_path}/etc/sysconfig/network

205 NETWORKING=yes

206 HOSTNAME=$HOSTNAME

207 EOF

208

209 # set minimal hosts

210 # cat <<EOF > $rootfs_path/etc/hosts

211 #127.0.0.1 localhost $HOSTNAME

212 #EOF

213

214 dev_path="${rootfs_path}/dev"

215 rm -rf $dev_path

216 mkdir -p $dev_path

217 mknod -m 666 ${dev_path}/null c 1 3

218 mknod -m 666 ${dev_path}/zero c 1 5

219 mknod -m 666 ${dev_path}/random c 1 8

220 mknod -m 666 ${dev_path}/urandom c 1 9

221 mkdir -m 755 ${dev_path}/pts

222 mkdir -m 1777 ${dev_path}/shm

223 mknod -m 666 ${dev_path}/tty c 5 0

224 mknod -m 666 ${dev_path}/tty0 c 4 0

225 mknod -m 666 ${dev_path}/tty1 c 4 1

226 mknod -m 666 ${dev_path}/tty2 c 4 2

227 mknod -m 666 ${dev_path}/tty3 c 4 3

228 mknod -m 666 ${dev_path}/tty4 c 4 4

229 mknod -m 600 ${dev_path}/console c 5 1

230 mknod -m 666 ${dev_path}/full c 1 7

231 mknod -m 600 ${dev_path}/initctl p

232 mknod -m 666 ${dev_path}/ptmx c 5 2

233

234 #echo "setting root passwd to $root_password"

235 #echo "root:$root_password" | chroot $rootfs_path chpasswd

236

237 return 0

238 }

239

240

241 function configure_fedora_init() {

242

243 sed -i 's|.sbin.start_udev||' ${rootfs_path}/etc/rc.sysinit

244 sed -i 's|.sbin.start_udev||' ${rootfs_path}/etc/rc.d/rc.sysinit

245 chroot ${rootfs_path} chkconfig udev-post off

246 chroot ${rootfs_path} chkconfig network on

247 }

248

249

250 function configure_fedora_systemd() {

251

252 unlink ${rootfs_path}/etc/systemd/system/default.target

253 touch ${rootfs_path}/etc/fstab

254 chroot ${rootfs_path} ln -s /dev/null //etc/systemd/system/udev.service

255 chroot ${rootfs_path} ln -s /lib/systemd/system/multi-user.target /etc/systemd/system/default.target

256 #dependency on a device unit fails it specially that we disabled udev

257 sed -i 's/After=dev-%i.device/After=/' ${rootfs_path}/lib/systemd/system/getty\@.service

258 chroot ${rootfs_path} chkconfig network on

259 }

260

261 function download_fedora() {

262 set -x

263 # check the mini fedora was not already downloaded

264 INSTALL_ROOT=$cache/partial

265 echo $INSTALL_ROOT

266 mkdir -p $INSTALL_ROOT

267 if [ $? -ne 0 ]; then

268 echo "Failed to create '$INSTALL_ROOT' directory"

269 return 1

270 fi

271

272 # download a mini fedora into a cache

273 echo "Downloading fedora minimal ..."

274 YUM="yum --installroot $INSTALL_ROOT -y --nogpgcheck --releasever=$release"

275 PKG_LIST="yum initscripts passwd rsyslog vim-minimal dhclient chkconfig rootfiles policycoreutils openssh-server openssh-clients"

276

277

278 MIRROR_URL=http://mirror.onelab.eu/fedora/releases/$release/Everything/$arch/os

279 RELEASE_URL="$MIRROR_URL/Packages/fedora-release-$release-1.noarch.rpm"

280 echo "Fetching from $RELEASE_URL"

281 curl -f "$RELEASE_URL" > $INSTALL_ROOT/fedora-release-$release.noarch.rpm

282

283 mkdir -p $INSTALL_ROOT/var/lib/rpm

284 rpm --root $INSTALL_ROOT --initdb

285 rpm --root $INSTALL_ROOT -ivh $INSTALL_ROOT/fedora-release-$release.noarch.rpm

286 echo "$YUM install $PKG_LIST"

287 $YUM install $PKG_LIST

288

289 if [ $? -ne 0 ]; then

290 echo "Failed to download the rootfs, aborting."

291 return 1

292 fi

293

294 mv "$INSTALL_ROOT" "$cache/rootfs"

295 echo "Download complete."

296

297 return 0

298 }

299

300

301 function copy_fedora() {

302 set -x

303 # make a local copy of the minifedora

304 echo -n "Copying rootfs to $rootfs_path ..."

305 mkdir -p $rootfs_path

306 rsync -a $cache/rootfs/ $rootfs_path/

307 return 0

308 }

309

310

311 function update_fedora() {

312 set -x

313 YUM="yum --installroot $cache/rootfs -y --nogpgcheck"

314 $YUM update

315 }

316

317

318 function install_fedora() {

319 set -x

320

321 mkdir -p /var/lock/subsys/

322 (

323 flock -n -x 200

324 if [ $? -ne 0 ]; then

325 echo "Cache repository is busy."

326 return 1

327 fi

328

329 echo "Checking cache download in $cache/rootfs ... "

330 if [ ! -e "$cache/rootfs" ]; then

331 download_fedora

332 if [ $? -ne 0 ]; then

333 echo "Failed to download 'fedora base'"

334 return 1

335 fi

336 else

337 echo "Cache found. Updating..."

338 update_fedora

339 if [ $? -ne 0 ]; then

340 echo "Failed to update 'fedora base', continuing with last known good cache"

341 else

342 echo "Update finished"

343 fi

344 fi

345

346 echo "Copy $cache/rootfs to $rootfs_path ... "

347 copy_fedora

348 if [ $? -ne 0 ]; then

349 echo "Failed to copy rootfs"

350 return 1

351 fi

352

353 return 0

354

355 ) 200>/var/lock/subsys/lxc

356

357 return $?

358 }

359

360

361 function copy_configuration() {

362

363 mkdir -p $config_path

364 cat <<EOF >> $config_path/config

365 lxc.utsname = $lxc

366 lxc.arch = $arch2

367 lxc.tty = 4

368 lxc.pts = 1024

369 lxc.rootfs = $rootfs_path

370 lxc.mount = $config_path/fstab

371 #networking

372 lxc.network.type = $lxc_network_type

373 lxc.network.flags = up

374 lxc.network.link = $lxc_network_link

375 lxc.network.name = $IFNAME

376 lxc.network.mtu = 1500

377 lxc.network.ipv4 = $IP/$CIDR

378 #cgroups

379 #lxc.cgroup.devices.deny = a

380 # /dev/null and zero

381 lxc.cgroup.devices.allow = c 1:3 rwm

382 lxc.cgroup.devices.allow = c 1:5 rwm

383 # consoles

384 lxc.cgroup.devices.allow = c 5:1 rwm

385 lxc.cgroup.devices.allow = c 5:0 rwm

386 lxc.cgroup.devices.allow = c 4:0 rwm

387 lxc.cgroup.devices.allow = c 4:1 rwm

388 # /dev/{,u}random

389 lxc.cgroup.devices.allow = c 1:9 rwm

390 lxc.cgroup.devices.allow = c 1:8 rwm

391 lxc.cgroup.devices.allow = c 136:* rwm

392 lxc.cgroup.devices.allow = c 5:2 rwm

393 # rtc

394 lxc.cgroup.devices.allow = c 254:0 rwm

395 lxc.cgroup.devices.allow = b 255:0 rwm

396 EOF

397

398

399

400 cat <<EOF > $config_path/fstab

401 proc $rootfs_path/proc proc nodev,noexec,nosuid 0 0

402 devpts $rootfs_path/dev/pts devpts defaults 0 0

403 sysfs $rootfs_path/sys sysfs defaults 0 0

404 EOF

405 if [ $? -ne 0 ]; then

406 echo "Failed to add configuration"

407 return 1

408 fi

409

410 return 0

411 }

416 # overwrite lxc's internal yum config

417 function configure_yum_in_lxc () {

418 set -x

419 set -e

420 trap failure ERR INT

421

422 lxc=$1; shift

423 fcdistro=$1; shift

424 pldistro=$1; shift

425

426 echo "Initializing yum.repos.d in $lxc"

427 rm -f $rootfs_path/etc/yum.repos.d/*

428

429 cat > $rootfs_path/etc/yum.repos.d/building.repo <<EOF

430 [fedora]

431 name=Fedora $release - \$basearch

432 baseurl=http://mirror.onelab.eu/fedora/releases/$release/Everything/\$basearch/os/

433 enabled=1

434 metadata_expire=7d

435 gpgcheck=1

436 gpgkey=http://mirror.onelab.eu/keys/RPM-GPG-KEY-fedora-$release-primary

437

438 [updates]

439 name=Fedora $release - \$basearch - Updates

440 baseurl=http://mirror.onelab.eu/fedora/updates/$release/\$basearch/

441 enabled=1

442 metadata_expire=7d

443 gpgcheck=1

444 gpgkey=http://mirror.onelab.eu/keys/RPM-GPG-KEY-fedora-$release-primary

445 EOF

446

447 # for using vtest-init-lxc.sh as a general-purpose lxc creation wrapper

448 # just mention 'none' as the repo url

449 if [ -n "$MYPLC_MODE" -a "$REPO_URL" != "none" ] ; then

450 if [ ! -d $rootfs_path/etc/yum.repos.d ] ; then

451 echo "WARNING : cannot create myplc repo"

452 else

453 # exclude kernel from fedora repos

454 yumexclude=$(pl_plcyumexclude $fcdistro $pldistro $DIRNAME)

455 for repo in $rootfs_path/etc/yum.repos.d/* ; do

456 [ -f $repo ] && yumconf_exclude $repo "exclude=$yumexclude"

457 done

458 # the build repo is not signed at this stage

459 cat > $rootfs_path/etc/yum.repos.d/myplc.repo <<EOF

460 [myplc]

461 name= MyPLC

462 baseurl=$REPO_URL

463 enabled=1

464 gpgcheck=0

465 EOF

466 fi

467 fi

468 }

469

470 # return yum or debootstrap

471 function package_method () {

472 fcdistro=$1; shift

473 case $fcdistro in

474 f[0-9]*|centos[0-9]*|sl[0-9]*) echo yum ;;

475 lenny|etch) echo debootstrap ;;

476 *) echo Unknown distro $fcdistro ;;

477 esac

478 }

479

480 # return arch from debian distro and personality

481 function canonical_arch () {

482 personality=$1; shift

483 fcdistro=$1; shift

484 case $(package_method $fcdistro) in

485 yum)

486 case $personality in *32) echo i386 ;; *64) echo x86_64 ;; *) echo Unknown-arch-1 ;; esac ;;

487 debootstrap)

488 case $personality in *32) echo i386 ;; *64) echo amd64 ;; *) echo Unknown-arch-2 ;; esac ;;

489 *)

490 echo Unknown-arch-3 ;;

491 esac

492 }

493

494 # the new test framework creates /timestamp in /vservers/<name> *before* populating it

495 function almost_empty () {

496 dir="$1"; shift ;

497 # non existing is fine

498 [ ! -d $dir ] && return 0;

499 # need to have at most one file

500 count=$(cd $dir; ls | wc -l); [ $count -le 1 ];

501 }

502

503 function setup_lxc() {

504

505 set -x

506 set -e

507 #trap failure ERR INT

508

509 lxc=$1; shift

510 fcdistro=$1; shift

511 pldistro=$1; shift

512 personality=$1; shift

513

514 # create lxc container

515 copy_configuration

516 if [ $? -ne 0 ]; then

517 echo "failed write configuration file"

518 exit 1

519 fi

520

521 install_fedora

522 if [ $? -ne 0 ]; then

523 echo "failed to install fedora"

524 exit 1

525 fi

526

527 configure_fedora

528 if [ $? -ne 0 ]; then

529 echo "failed to configure fedora for a container"

530 exit 1

531 fi

532

533 type /bin/systemd >/dev/null 2>&1

534 if [ $? -ne 0 ]; then

535 configure_fedora_init

536 else

537 configure_fedora_systemd

538 fi

539

540 # Enable cgroup

541 mkdir $rootfs_path/cgroup

542

543 # set up resolv.conf

544 cp /etc/resolv.conf $rootfs_path/etc/resolv.conf

545 # and /etc/hosts for at least localhost

546 [ -f $rootfs_path/etc/hosts ] || echo "127.0.0.1 localhost localhost.localdomain" > $rootfs_path/etc/hosts

547

548 # ssh access to lxc

549 mkdir $rootfs_path/root/.ssh

550 cat /root/.ssh/id_rsa.pub >> $rootfs_path/root/.ssh/authorized_keys

551

552 lxc-start -d -n $lxc

553

554 sleep 20

555

556 # rpm --rebuilddb

557 chroot $rootfs_path rpm --rebuilddb

558 #ssh -o "StrictHostKeyChecking no" $IP "rpm --rebuilddb"

559

560 configure_yum_in_lxc $lxc $fcdistro $pldistro

561

562 return 0

563 }

564

565 function devel_or_vtest_tools () {

566

567 set -x

568 set -e

569 trap failure ERR INT

570

571 lxc=$1; shift

572 fcdistro=$1; shift

573 pldistro=$1; shift

574 personality=$1; shift

575

576 pkg_method=$(package_method $fcdistro)

577

578 # check for .pkgs file based on pldistro

579 if [ -n "$VBUILD_MODE" ] ; then

580 pkgsname=devel.pkgs

581 else

582 pkgsname=vtest.pkgs

583 fi

584 pkgsfile=$(pl_locateDistroFile $DIRNAME $pldistro $pkgsname)

585

586 ### install individual packages, then groups

587 # get target arch - use uname -i here (we want either x86_64 or i386)

588

589 lxc_arch=$(chroot $rootfs_path uname -i)

590 # on debian systems we get arch through the 'arch' command

591 [ "$lxc_arch" = "unknown" ] && lxc_arch=$(chroot $rootfs_path arch)

592

593 packages=$(pl_getPackages -a $lxc_arch $fcdistro $pldistro $pkgsfile)

594 groups=$(pl_getGroups -a $lxc_arch $fcdistro $pldistro $pkgsfile)

595

596 case "$pkg_method" in

597 yum)

598 [ -n "$packages" ] && chroot $rootfs_path yum -y install $packages

599 for group_plus in $groups; do

600 group=$(echo $group_plus | sed -e "s,+++, ,g")

601 chroot $rootfs_path yum -y groupinstall "$group"

602 done

603 # store current rpm list in /init-lxc.rpms in case we need to check the contents

604 chroot $rootfs_path rpm -aq > $rootfs_path/init-lxc.rpms

605 ;;

606 debootstrap)

607 chroot $rootfs_path apt-get update

608 for package in $packages ; do

609 chroot $rootfs_path apt-get install -y $package

610 done

611 ### xxx todo install groups with apt..

612 ;;

613 *)

614 echo "unknown pkg_method $pkg_method"

615 ;;

616 esac

617

618 return 0

619 }

620

621 function post_install () {

622 if [ -n "$VBUILD_MODE" ] ; then

623 post_install_vbuild "$@"

624 else

625 post_install_myplc "$@"

626 fi

627 # setup localtime from the host

628 lxc=$1; shift

629 cp /etc/localtime $rootfs_path/etc/localtime

630 }

631

632 function post_install_vbuild () {

633

634 set -x

635 set -e

636 trap failure ERR INT

637

638 lxc=$1; shift

639 personality=$1; shift

640

641 ### From myplc-devel-native.spec

642 # be careful to backslash $ in this, otherwise it's the root context that's going to do the evaluation

643 cat << EOF | chroot $rootfs_path bash -x

644 # set up /dev/loop* in lxc

645 for i in \$(seq 0 255) ; do

646 mknod -m 640 /dev/loop\$i b 7 \$i

647 done

648

649 # create symlink for /dev/fd

650 [ ! -e "/dev/fd" ] && ln -s /proc/self/fd /dev/fd

651

652 # modify /etc/rpm/macros to not use /sbin/new-kernel-pkg

653 sed -i 's,/sbin/new-kernel-pkg:,,' /etc/rpm/macros

654 if [ -h "/sbin/new-kernel-pkg" ] ; then

655 filename=\$(readlink -f /sbin/new-kernel-pkg)

656 if [ "\$filename" == "/sbin/true" ] ; then

657 echo "WARNING: /sbin/new-kernel-pkg symlinked to /sbin/true"

658 echo "\tmost likely /etc/rpm/macros has /sbin/new-kernel-pkg declared in _netsharedpath."

659 echo "\tPlease remove /sbin/new-kernel-pkg from _netsharedpath and reintall mkinitrd."

660 exit 1

661 fi

662 fi

663

664 # customize root's prompt

665 cat << PROFILE > /root/.profile

666 export PS1="[$lxc] \\w # "

667 PROFILE

668

669 uid=2000

670 gid=2000

671

672 # add a "build" user to the system

673 builduser=\$(grep "^build:" /etc/passwd | wc -l)

674 if [ \$builduser -eq 0 ] ; then

675 groupadd -o -g \$gid build;

676 useradd -o -c 'Automated Build' -u \$uid -g \$gid -n -M -s /bin/bash build;

677 fi

678

679 # Allow build user to build certain RPMs as root

680 if [ -f /etc/sudoers ] ; then

681 buildsudo=\$(grep "^build.*ALL=(ALL).*NOPASSWD:.*ALL" /etc/sudoers | wc -l)

682 if [ \$buildsudo -eq 0 ] ; then

683 echo "build ALL=(ALL) NOPASSWD: ALL" >> /etc/sudoers

684 fi

685 sed -i 's,^Defaults.*requiretty,#Defaults requiretty,' /etc/sudoers

686 fi

687 #

688 EOF

689

690 }

691

692 function post_install_myplc () {

693 set -x

694 set -e

695 trap failure ERR INT

696

697 lxc=$1; shift

698 personality=$1; shift

699

700 # be careful to backslash $ in this, otherwise it's the root context that's going to do the evaluation

701 cat << EOF | chroot $rootfs_path bash -x

702

703 # create /etc/sysconfig/network if missing

704 [ -f /etc/sysconfig/network ] || echo NETWORKING=yes > /etc/sysconfig/network

705

706 # create symlink for /dev/fd

707 [ ! -e "/dev/fd" ] && ln -s /proc/self/fd /dev/fd

708

709 # turn off regular crond, as plc invokes plc_crond

710 chkconfig crond off

711

712 # take care of loginuid in /etc/pam.d

713 sed -i "s,#*$.*loginuid.*$,#\1," /etc/pam.d/*

714

715 # customize root's prompt

716 cat << PROFILE > /root/.profile

717 export PS1="[$lxc] \\w # "

718 PROFILE

719

720 EOF

721 }

722

723 function usage () {

724 set +x

725 echo "Usage: $COMMAND_VBUILD [options] lxc-name"

726 echo "Usage: $COMMAND_MYPLC [options] lxc-name repo-url [ -- lxc-options ]"

727 echo "Description:"

728 echo " This command creates a fresh lxc instance, for building, or running, myplc"

729 echo "Supported options"

730 echo " -f fcdistro - for creating the root filesystem - defaults to $DEFAULT_FCDISTRO"

731 echo " -d pldistro - defaults to $DEFAULT_PLDISTRO"

732 echo " -p personality - defaults to $DEFAULT_PERSONALITY"

733 echo " -i ifname: determines ip and netmask attached to ifname, and passes it to the lxc"

734 echo "-- lxc-options"

735 echo " --netdev : interface to be defined inside lxc"

736 echo " --interface : IP to be defined for the lxc"

737 echo " --hostname : Hostname to be defined for the lxc"

738 echo "With $COMMAND_MYPLC you can give 'none' as the URL, in which case"

739 echo " myplc.repo does not get created"

740 exit 1

741 }

742

743 ### parse args and

744 function main () {

745

746 #set -e

747 #trap failure ERR INT

748

749 case "$COMMAND" in

750 $COMMAND_VBUILD)

751 VBUILD_MODE=true ;;

752 $COMMAND_MYPLC)

753 MYPLC_MODE=true;;

754 *)

755 usage ;;

756 esac

757

758 VERBOSE=

759 RESISTANT=""

760 IFNAME=""

761 LXC_OPTIONS=""

762 while getopts "f:d:p:i:" opt ; do

763 case $opt in

764 f) fcdistro=$OPTARG;;

765 d) pldistro=$OPTARG;;

766 p) personality=$OPTARG;;

767 i) IFNAME=$OPTARG;;

768 *) usage ;;

769 esac

770 done

771

772 shift $(($OPTIND - 1))

773

774 # parse fixed arguments

775 [[ -z "$@" ]] && usage

776 lxc=$1 ; shift

777 if [ -n "$MYPLC_MODE" ] ; then

778 [[ -z "$@" ]] && usage

779 REPO_URL=$1 ; shift

780 fi

781

782 # parse vserver options

783 if [[ -n "$@" ]] ; then

784 if [ "$1" == "--" ] ; then

785 shift

786 LXC_OPTIONS="$@"

787 else

788 usage

789 fi

790 fi

791

792 eval set -- "$LXC_OPTIONS"

793

794 while true

795 do

796 case "$1" in

797 --netdev) IFNAME=$2; shift 2;;

798 --interface) IP=$2; shift 2;;

799 --hostname) HOSTNAME=$2; shift 2;;

800 *) break ;;

801 esac

802 done

803

804

805 if [ -n "$VBUILD_MODE" ] ; then

806 [ -z "$IFNAME" ] && IFNAME=$DEFAULT_IFNAME

807 [ -z "$HOSTNAME" ] && HOSTNAME=$lxc

808 fi

809

810 [ -z "$fcdistro" ] && fcdistro=$DEFAULT_FCDISTRO

811 [ -z "$pldistro" ] && pldistro=$DEFAULT_PLDISTRO

812 [ -z "$personality" ] && personality=$DEFAULT_PERSONALITY

813

814 release=$(echo $fcdistro | cut -df -f2)

815

816 if [ "$personality" == "linux32" ]; then

817 arch=i386

818 arch2=x86

819 elif [ "$personality" == "linux64" ]; then

820 arch=x86_64

821 arch2=x86_64

822 else

823 echo "Unknown personality: $personality"

824 fi

825

826

827 if [ -n "$VBUILD_MODE" ] ; then

828

829 # Bridge IP affectation

830 x=$(echo $personality | cut -dx -f2)

831 y=$(echo $fcdistro | cut -df -f2)

832 z=$(($x + $y))

833

834 IP="192.168.122.$z"

835 NETMASK="255.255.255.0"

836 GATEWAY="192.168.122.1"

837

838 lxc_network_type=veth

839 lxc_network_link=virbr0

840 echo "the IP address of container $lxc is $IP "

841 else

842 [[ -z "$REPO_URL" ]] && usage

843 [[ -z "$IP" ]] && usage

844 NETMASK=$(ifconfig br0 | grep 'inet addr' | awk '{print $4}' | sed -e 's/.*://')

845 GATEWAY=$(route -n | grep 'UG' | awk '{print $2}')

846 [[ -z "$HOSTNAME" ]] && usage

847 lxc_network_type=veth

848 lxc_network_link=br0

849 fi

850

851 CIDR=$(cidr_notation $NETMASK)

852

853

854 if [ "$(id -u)" != "0" ]; then

855 echo "This script should be run as 'root'"

856 exit 1

857 fi

858

859 # need lxc installed before we can run lxc-ls

860 prepare_host

861

862 if [ ! -z "$(lxc-ls | grep $lxc)" ];then

863 echo "container $lxc exists"

864 exit 1

865 fi

866

867

868 path=/var/lib/lxc

869 rootfs_path=$path/$lxc/rootfs

870 config_path=$path/$lxc

871 cache_base=/var/cache/lxc/fedora/$arch

872 cache=$cache_base/$release

873 root_password=root

874

875

876 setup_lxc $lxc $fcdistro $pldistro $personality

877

878 devel_or_vtest_tools $lxc $fcdistro $pldistro $personality

879

880 post_install $lxc $personality

881

882

883 echo $COMMAND Done

884 }

885

886 main "$@"