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    Diff of /trunk/mlivecdbuild/mlivecdbuild2.sh

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    revision 348 by niro, Sun Mar 5 02:18:28 2006 UTC revision 1446 by niro, Fri Jul 29 11:14:07 2011 UTC
    # Line 1  Line 1 
    1  #!/bin/bash  #!/bin/bash
    2    
    3  # some default settings - gets overidden with the profile config  # some default settings - gets overidden with the profile config
    4  CDPROFILE="$1"  CDPROFILE="$2"
    5  [[ -z ${CDPROFILE} ]] && CDPROFILE="default"  [[ -z ${CDPROFILE} ]] && CDPROFILE="default"
    6  LIVECDROOT="/mnt/MLIVECDBUILD/${CDPROFILE}"  LIVECDROOT="/mnt/MLIVECDBUILD/${CDPROFILE}"
    7  CDCHROOTDIR="${LIVECDROOT}/chroot"  CDCHROOTDIR="${LIVECDROOT}/chroot"
    # Line 19  CDID="mlcd-$(date +%F-%k%M)" Line 19  CDID="mlcd-$(date +%F-%k%M)"
    19  PROFILES_DIR="/usr/lib/mlivecdbuild/profiles"  PROFILES_DIR="/usr/lib/mlivecdbuild/profiles"
    20  GLOBAL_PROFILE="${PROFILES_DIR}/global"  GLOBAL_PROFILE="${PROFILES_DIR}/global"
    21    
    22    # get full path to isolinux.bin, may vary on multilib systems
    23    if [[ -f /usr/share/syslinux/isolinux.bin ]]
    24    then
    25     ISOLINUX_BIN=/usr/share/syslinux/isolinux.bin
    26    elif [[ -f /usr/lib64/mkinitrd/isolinux.bin ]]
    27    then
    28     ISOLINUX_BIN=/usr/lib64/mkinitrd/isolinux.bin
    29    else
    30     ISOLINUX_BIN=/usr/lib/mkinitrd/isolinux.bin
    31    fi
    32    
    33  die() { echo "ERROR: $@"; exit 1; }  die() { echo "ERROR: $@"; exit 1; }
    34    
    35  # get_profile $filename  # get_profile $filename
    # Line 46  bootstrap_system() Line 57  bootstrap_system()
    57   || die "bootstrapping toolchain"   || die "bootstrapping toolchain"
    58  }  }
    59    
    60    custom_services()
    61    {
    62     local cmd="$1"
    63     local services="$2"
    64     local systemdcmd
    65    
    66     case ${cmd} in
    67     add|del|default)
    68     # add given services from profile
    69     if [[ -n ${services} ]]
    70     then
    71     local i
    72     for i in ${services}
    73     do
    74     # systemd
    75     if [[ -x ${CDCHROOTDIR}/sbin/systemctl ]]
    76     then
    77     case ${cmd} in
    78     add) chroot ${CDCHROOTDIR} systemctl enable ${i} ;;
    79     del) chroot ${CDCHROOTDIR} systemctl disable ${i} ;;
    80     esac
    81     fi
    82     # busybox and sysvinit
    83     if [[ -x ${CDCHROOTDIR}/sbin/rc-config ]]
    84     then
    85     MROOT="${CDCHROOTDIR}" rc-config ${cmd} ${i} || die "rc ${cmd} ${i}"
    86     fi
    87     done
    88     fi
    89     ;;
    90     *) die "custom_services: unkown command ${cmd}";;
    91     esac
    92    }
    93    
    94    add_initrc()
    95    {
    96     local var="$1"
    97    
    98     # sanity checks
    99     [[ -z ${CDCHROOTDIR} ]] && die "\$CDCHROOTDIR not given."
    100     echo "${var}" >> ${CDCHROOTDIR}/.installrc || die "add_initrc() adding \$var"
    101    }
    102    
    103    custom_packages()
    104    {
    105     local cmd="$1"
    106     local packages="$2"
    107    
    108     case ${cmd} in
    109     install|uninstall)
    110     if [[ -n ${packages} ]]
    111     then
    112     :> ${CDCHROOTDIR}/.installrc
    113    
    114     # respect proxies
    115     [[ -n ${http_proxy} ]] && add_initrc "export http_proxy=${http_proxy}"
    116     [[ -n ${ftp_proxy} ]] && add_initrc "export ftp_proxy=${ftp_proxy}"
    117     [[ -n ${no_proxy} ]] && add_initrc "export no_proxy=${no_proxy}"
    118    
    119     # do not auto-start any services!
    120     add_initrc "export MAGE_BOOTSTRAP=true"
    121     add_initrc 'die() { if [ $? -eq 1 ]; then echo "ERROR: $@"; exit 1; fi; }'
    122    
    123     local i
    124     for i in ${packages}
    125     do
    126     add_initrc "mage ${cmd} ${i} || die ${i}"
    127     done
    128     add_initrc "mage clean"
    129    
    130     # now run the .installrc script
    131     mount -t proc proc ${CDCHROOTDIR}/proc || die "mount proc"
    132     mount -t sysfs sysfs ${CDCHROOTDIR}/sys || die "mount sys"
    133     mount -o bind /dev ${CDCHROOTDIR}/dev || die "mount dev"
    134     chroot ${CDCHROOTDIR} /bin/bash -i /.installrc || die "chr00ting"
    135     umount ${CDCHROOTDIR}/dev || die "umount dev"
    136     umount ${CDCHROOTDIR}/proc || die "umount proc"
    137     umount ${CDCHROOTDIR}/sys || die "umount sys"
    138     [ -f ${CDCHROOTDIR}/.installrc ] && rm ${CDCHROOTDIR}/.installrc
    139     fi
    140     ;;
    141     *) die "custom_packages: unkown command ${cmd}";;
    142     esac
    143    }
    144    
    145    read_config()
    146    {
    147     local file="$1"
    148     local pkg
    149    
    150     ( cat ${file}; echo ) | while read pkg
    151     do
    152     case "${pkg}" in
    153     \#*|"") continue ;;
    154     esac
    155     echo "${pkg}"
    156     done
    157    }
    158    
    159  prepare_iso()  prepare_iso()
    160  {  {
    161   echo Preparing LiveCD ISO Image ...   echo Preparing LiveCD ISO Image ...
    162    
    163   # fixes some issues with xfree/xorg xkb   # fixes some issues with xfree/xorg xkb
    164   if [ -L "${CDCHROOTDIR}/etc/X11/xkb" -a -d "/usr/X11R6/lib/X11/xkb" ]   if [[ -L ${CDCHROOTDIR}/etc/X11/xkb ]] && [[ -d /usr/X11R6/lib/X11/xkb ]]
    165   then   then
    166   rm ${CDCHROOTDIR}/etc/X11/xkb || die   rm ${CDCHROOTDIR}/etc/X11/xkb || die
    167   mv ${CDCHROOTDIR}/usr/X11R6/lib/X11/xkb ${CDCHROOTDIR}/etc/X11 || die   mv ${CDCHROOTDIR}/usr/X11R6/lib/X11/xkb ${CDCHROOTDIR}/etc/X11 || die
    168   ln -s ../../../../etc/X11/xkb ${CDCHROOTDIR}/usr/X11R6/lib/X11/xkb || die   ln -s ../../../../etc/X11/xkb ${CDCHROOTDIR}/usr/X11R6/lib/X11/xkb || die
    169   fi   fi
    170    
    171   install -m 0644 $(get_profile inittab) ${CDCHROOTDIR}/etc/inittab || die   # only on sysvinit or busybox systems
    172     if [[ -x ${CDCHROOTDIR}/sbin/rc-config ]]
    173     then
    174     install -m 0644 $(get_profile inittab) ${CDCHROOTDIR}/etc/inittab || die
    175     fi
    176     # check lock group on systemd systems
    177     if [[ -x ${CDCHROOTDIR}/bin/systemctl ]]
    178     then
    179     if [[ -z $(chroot ${CDCHROOTDIR} getent group lock) ]]
    180     then
    181     chroot ${CDCHROOTDIR}  groupadd -g 54 lock
    182     fi
    183     fi
    184   install -m 0644 $(get_profile fstab) ${CDCHROOTDIR}/etc/fstab || die   install -m 0644 $(get_profile fstab) ${CDCHROOTDIR}/etc/fstab || die
    185   install -m 0644 $(get_profile motd) ${CDCHROOTDIR}/etc/motd || die   install -m 0644 $(get_profile motd) ${CDCHROOTDIR}/etc/motd || die
    186   install -m 0644 $(get_profile issue) ${CDCHROOTDIR}/etc/issue || die   install -m 0644 $(get_profile issue) ${CDCHROOTDIR}/etc/issue || die
    187     install -m 0644 $(get_profile net.eth0) ${CDCHROOTDIR}/etc/conf.d/net.eth0 || die
    188   echo "${CDHOSTNAME}" > ${CDCHROOTDIR}/etc/hostname || die   echo "${CDHOSTNAME}" > ${CDCHROOTDIR}/etc/hostname || die
    189    
    190   echo Setting up services ...   echo Setting up services ...
    191    
    192   # change mountfs with mountfslivecd  # # add hardware detection
    193   MROOT="${CDCHROOTDIR}" rc-config del mountfs || die "rc del mountfs"  # if [[ -x ${CDCHROOTDIR}/sbin/rc-config ]]
    194   MROOT="${CDCHROOTDIR}" rc-config add mountfslivecd || die "rc add mountfslivecd"  # then
    195    # MROOT="${CDCHROOTDIR}" rc-config add hwdetect || die "rc add hwdetect"
    196   # add hardware detection  # fi
      MROOT="${CDCHROOTDIR}" rc-config add hwdetect || die "rc add hwdetect"  
    197    
    198   # del checkfs   # del checkfs
    199   MROOT="${CDCHROOTDIR}" rc-config del checkfs || die "rc del checkfs"   if [[ -x ${CDCHROOTDIR}/sbin/rc-config ]]
    200     then
    201     MROOT="${CDCHROOTDIR}" rc-config del checkfs || die "rc del checkfs"
    202     fi
    203    
    204     # add custom packages
    205     [[ -n ${ADD_PACKAGES} ]] && custom_packages install "${ADD_PACKAGES}"
    206     [ -f $(get_profile add_packages) ] && custom_packages install "$(read_config $(get_profile add_packages))"
    207    
    208     # del custom packages
    209     [[ -n ${DEL_PACKAGES} ]] && custom_packages uninstall "${DEL_PACKAGES}"
    210     [ -f $(get_profile del_packages) ] && custom_packages uninstall "$(read_config $(get_profile del_packages))"
    211    
    212     # add given services from profile
    213     [[ -n ${ADD_SERVICES} ]] && custom_services add "${ADD_SERVICES}"
    214     [ -f $(get_profile add_services) ] && custom_services add "$(read_config $(get_profile add_services))"
    215    
    216     # del given services from profile
    217     [[ -n ${DEL_SERVICES} ]] && custom_services del "${DEL_SERVICES}"
    218     [ -f $(get_profile del_services) ] && custom_services del "$(read_config $(get_profile del_services))"
    219    
    220     # setup default runlevel
    221     [[ -n ${DEFAULT_RUNLEVEL} ]] && custom_services default "${DEFAULT_RUNLEVEL}"
    222    
    223     if [ -f $(get_profile prepare_custom) ]
    224     then
    225     echo Running custom user script ...
    226     source $(get_profile prepare_custom) || die "running custom user script"
    227     fi
    228    
    229   echo Cleaning unwanted files ...   echo Cleaning unwanted files ...
    230   :> ${CDCHROOTDIR}/etc/mtab || die "whiping /etc/mtab"   # do this only if not a symlink!
    231     if [[ ! -L ${CDCHROOTDIR}/etc/mtab ]]
    232     then
    233     :> ${CDCHROOTDIR}/etc/mtab || die "whiping /etc/mtab"
    234     fi
    235     [ -f ${CDCHROOTDIR}/root/.bash_history ] && rm ${CDCHROOTDIR}/root/.bash_history
    236  }  }
    237    
    238  generate_rootfs()  generate_rootfs()
    239  {  {
    240     local loopdev
    241     local size
    242    
    243     if [ -f ${LIVECDROOT}/loop/LiveOS/ext3fs.img ]
    244     then
    245     rm ${LIVECDROOT}/loop/LiveOS/ext3fs.img || die
    246     fi
    247     if [ -f ${CDISOROOT}/LiveOS/squashfs.img ]
    248     then
    249     rm ${CDISOROOT}/LiveOS/squashfs.img
    250     fi
    251     if [ -f ${CDISOROOT}/livecdrootfs.sqsh ]
    252     then
    253     rm ${CDISOROOT}/livecdrootfs.sqsh
    254     fi
    255    
    256   echo Generating squashfs compressed rootfs loopfile ...   echo Generating squashfs compressed rootfs loopfile ...
    257   mksquashfs ${CDCHROOTDIR} ${LIVECDROOT}/livecdrootfs.sqsh #>/dev/null 2>&1   if [[ -x ${CDCHROOTDIR}/sbin/dracut ]]
    258     then
    259     install -d ${LIVECDROOT}/loop/{LiveOS,mnt} || die
    260    
    261     # get the actual size of the chroot
    262     size=$(du -s chroot | sed 's:^\(.*\)[[:space:]].*:\1:')
    263    
    264     # generate a ext3fs file for devicemapper
    265     dd if=/dev/zero of=${LIVECDROOT}/loop/LiveOS/ext3fs.img bs=1024 count=$(( ${size} + 10 )) || die
    266     # create a filesystem
    267     mkfs.ext3 -L "_${CDID}_EXT3" -m 1 -b 1024 -F ${LIVECDROOT}/loop/LiveOS/ext3fs.img || die
    268     # set mount_counts and check_intervals to 0
    269     # set dir_index top, to speed up thing with hashed b-trees
    270     # allow acls too
    271     tune2fs -c0 -i0 -Odir_index -ouser_xattr,acl ${LIVECDROOT}/loop/LiveOS/ext3fs.img || die
    272    
    273     # losetup the device
    274     loopdev=$(losetup -f)
    275     [[ -z ${loopdev} ]] && die "No unused loopdev found. Maybe you want 'modprobe loop'?"
    276    
    277     # mount the image
    278     losetup ${loopdev} ${LIVECDROOT}/loop/LiveOS/ext3fs.img || die
    279     mount ${loopdev} ${LIVECDROOT}/loop/mnt || die
    280    
    281     # copy everything to the image file and preserve permissions
    282     ( cd ${CDCHROOTDIR} && tar cpf - . ) | ( cd ${LIVECDROOT}/loop/mnt && tar xvpf - )
    283    
    284     # now umount everything and create the squashfs image
    285     umount ${LIVECDROOT}/loop/mnt || die
    286     losetup -d ${loopdev} || die
    287     # remove mount to not ending up in the squashfs image
    288     if [[ -d ${LIVECDROOT}/loop/mnt ]]
    289     then
    290     rm -r ${LIVECDROOT}/loop/mnt || die
    291     fi
    292     mksquashfs ${LIVECDROOT}/loop ${LIVECDROOT}/livecdrootfs.sqsh || die
    293    
    294     # final cleanup
    295     if [[ -d ${LIVECDROOT}/loop ]]
    296     then
    297     rm -r ${LIVECDROOT}/loop || die
    298     fi
    299     else
    300     mksquashfs ${CDCHROOTDIR} ${LIVECDROOT}/livecdrootfs.sqsh || die
    301     fi
    302    
    303   echo Moving rootfs loopfile to isoroot ...   echo Moving rootfs loopfile to isoroot ...
    304   install -d ${CDISOROOT}   install -d ${CDISOROOT}
    305   mv ${LIVECDROOT}/livecdrootfs.sqsh ${CDISOROOT}   if [[ -x ${CDCHROOTDIR}/sbin/dracut ]]
    306     then
    307     install -d ${CDISOROOT}/LiveOS
    308     mv ${LIVECDROOT}/livecdrootfs.sqsh ${CDISOROOT}/LiveOS/squashfs.img
    309     else
    310     mv ${LIVECDROOT}/livecdrootfs.sqsh ${CDISOROOT}
    311     fi
    312  }  }
    313    
    314  install_bootloader()  install_bootloader()
    # Line 96  install_bootloader() Line 317  install_bootloader()
    317    
    318   # iso linux binary   # iso linux binary
    319   install -d ${CDISOROOT}/isolinux   install -d ${CDISOROOT}/isolinux
    320   install /usr/lib/mkinitrd/isolinux.bin ${CDISOROOT}/isolinux || die   install ${ISOLINUX_BIN} ${CDISOROOT}/isolinux || die
    321    
    322   # kernel   # kernel
    323   local kimg="$(basename $(readlink ${CDCHROOTDIR}/boot/vmlinuz))"   local kimg="$(basename $(readlink ${CDCHROOTDIR}/boot/vmlinuz))"
    # Line 113  install_bootloader() Line 334  install_bootloader()
    334  generate_initrd()  generate_initrd()
    335  {  {
    336   local CHROOTSH="$(mktemp -p ${CDCHROOTDIR})"   local CHROOTSH="$(mktemp -p ${CDCHROOTDIR})"
    337   echo "DEBUG: ${CHROOTSH}"  
    338     is_loc_mounted "${CDCHROOTDIR}/sys" || mount -t sysfs sysfs ${CDCHROOTDIR}/sys
    339     is_loc_mounted "${CDCHROOTDIR}/proc" || mount -t proc proc ${CDCHROOTDIR}/proc
    340     is_loc_mounted "${CDCHROOTDIR}/dev" || mount -o bind /dev ${CDCHROOTDIR}/dev
    341    
    342   echo Generating initrd image ...   echo Generating initrd image ...
    343   echo '#!/bin/bash' > ${CHROOTSH} || die   echo '#!/bin/bash' > ${CHROOTSH} || die
    344     echo 'export LC_ALL=C' >> ${CHROOTSH} || die
    345   echo 'kv="$(readlink /boot/vmlinuz)"' >> ${CHROOTSH} || die   echo 'kv="$(readlink /boot/vmlinuz)"' >> ${CHROOTSH} || die
    346   echo 'kv="${kv/kernel-}/"' >> ${CHROOTSH} || die   echo 'kv="${kv/kernel-}/"' >> ${CHROOTSH} || die
    347   echo 'mkinitrd-livecd -f --initramfs /initrd.gz ${kv}' >> ${CHROOTSH} || die   # prefer dracut
    348     echo 'if [[ -x /sbin/dracut ]]' >> ${CHROOTSH} || die
    349     echo 'then' >> ${CHROOTSH} || die
    350     echo ' dracut -v -f /initrd.gz ${kv}' >> ${CHROOTSH} || die
    351     echo 'else' >> ${CHROOTSH} || die
    352     echo ' mkinitrd-livecd -f --initramfs /initrd.gz ${kv}' >> ${CHROOTSH} || die
    353     echo 'fi' >> ${CHROOTSH} || die
    354   chmod +x ${CHROOTSH} || die   chmod +x ${CHROOTSH} || die
    355   chroot ${CDCHROOTDIR} /$(basename ${CHROOTSH}) || die   chroot ${CDCHROOTDIR} /$(basename ${CHROOTSH}) || die
    356   [[ -f ${CHROOTSH} ]] && rm ${CHROOTSH} || die   [[ -f ${CHROOTSH} ]] && rm ${CHROOTSH} || die
    357    
    358     is_loc_mounted "${CDCHROOTDIR}/dev" && umount ${CDCHROOTDIR}/dev
    359     is_loc_mounted "${CDCHROOTDIR}/proc" && umount ${CDCHROOTDIR}/proc
    360     is_loc_mounted "${CDCHROOTDIR}/sys" && umount ${CDCHROOTDIR}/sys
    361    
    362   # move initrd to isoroot   # move initrd to isoroot
    363   install -d ${CDISOROOT}/isolinux || die   install -d ${CDISOROOT}/isolinux || die
    364   mv ${CDCHROOTDIR}/initrd.gz ${CDISOROOT}/isolinux || die   mv ${CDCHROOTDIR}/initrd.gz ${CDISOROOT}/isolinux || die
    # Line 151  generate_iso() Line 386  generate_iso()
    386    
    387  enter_livecd()  enter_livecd()
    388  {  {
    389   mount -t sysfs sysfs ${CDCHROOTDIR}/proc   is_loc_mounted "${CDCHROOTDIR}/sys" || mount -t sysfs sysfs ${CDCHROOTDIR}/sys
    390   mount -t proc proc ${CDCHROOTDIR}/proc   is_loc_mounted "${CDCHROOTDIR}/proc" || mount -t proc proc ${CDCHROOTDIR}/proc
    391   mount -o bind /dev ${CDCHROOTDIR}/dev   is_loc_mounted "${CDCHROOTDIR}/dev" || mount -o bind /dev ${CDCHROOTDIR}/dev
    392    
    393   chroot ${CDCHROOTDIR} \   chroot ${CDCHROOTDIR} \
    394   /usr/bin/env -i \   /usr/bin/env -i \
    395   HOME=/root \   HOME=/root \
    396   TERM=$TERM PS1='\u:\w\$ ' \   TERM=$TERM PS1='\u:\w\$ ' \
    397   PATH=/bin:/usr/bin:/sbin:/usr/sbin \   PATH=/bin:/usr/bin:/sbin:/usr/sbin \
    398     http_proxy=${http_proxy} \
    399     ftp_proxy=${ftp_proxy} \
    400     no_proxy=${no_proxy} \
    401   /bin/bash -i   /bin/bash -i
    402    
    403     is_loc_mounted "${CDCHROOTDIR}/dev" && umount ${CDCHROOTDIR}/dev
    404     is_loc_mounted "${CDCHROOTDIR}/proc" && umount ${CDCHROOTDIR}/proc
    405     is_loc_mounted "${CDCHROOTDIR}/sys" && umount ${CDCHROOTDIR}/sys
    406    }
    407    
    408    is_loc_mounted()
    409    {
    410     local filesys
    411     local i
    412     filesys=$1
    413    
    414     i="$(cat /proc/mounts | grep " ${filesys} " | cut -d ' ' -f2)"
    415     [[ ${i} != ${filesys} ]] && return 1
    416    
    417     return 0
    418  }  }
    419    
    420    trap_exit()
    421    {
    422     is_loc_mounted "${CDCHROOTDIR}/dev" && umount ${CDCHROOTDIR}/dev
    423     is_loc_mounted "${CDCHROOTDIR}/proc" && umount ${CDCHROOTDIR}/proc
    424     is_loc_mounted "${CDCHROOTDIR}/sys" && umount ${CDCHROOTDIR}/sys
    425    }
    426    
    427    usage()
    428    {
    429     echo "Usage: $(basename $0) [command] [profile] ..."
    430     echo
    431     echo "Commands:"
    432     echo "    bootstrap  - bootstraps the rootfs for the livecd"
    433     echo "    prepare    - prepare the rootfs to run from a livecd"
    434     echo "    rootfs     - generates the squashfs rootfs image"
    435     echo "    initrd     - generates a livecd suitable initrd"
    436     echo "    bootloader - installs the bootloader"
    437     echo "    isogen     - generate the final livecd iso image"
    438     echo "    all        - runs all tasks to get a livecd from zero"
    439     echo "    enter      - enters the rootfs of a livecd"
    440     echo
    441     echo "    for example '$(basename $0) all default'"
    442     echo "    creates a livecd using the default profile."
    443     echo
    444    }
    445    
    446    # set some proper traps
    447    trap "trap_exit" SIGINT SIGQUIT
    448    
    449  # source profile config - overrides all other vars  # source profile config - overrides all other vars
    450  [ -f ${PROFILES_DIR}/${CDPROFILE}/config ] && . ${PROFILES_DIR}/${CDPROFILE}/config  [ -f ${PROFILES_DIR}/${CDPROFILE}/config ] && . ${PROFILES_DIR}/${CDPROFILE}/config
    451    
    452  bootstrap_system  case $1 in
    453  prepare_iso   bootstrap) bootstrap_system;;
    454  generate_rootfs   prepare) prepare_iso;;
    455  generate_initrd   rootfs) generate_rootfs;;
    456  install_bootloader   initrd) generate_initrd;;
    457  generate_iso   bootloader) install_bootloader;;
    458     isogen) generate_iso;;
    459     all)
    460     bootstrap_system
    461     prepare_iso
    462     generate_rootfs
    463     generate_initrd
    464     install_bootloader
    465     generate_iso
    466     ;;
    467     enter) enter_livecd ;;
    468     *|'') usage;;
    469    esac
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