etc/grml/fai/config/scripts/GRMLBASE/98-clean-chroot

   1 #!/bin/bash
   2 # Filename:      ${GRML_FAI_CONFIG}/config/scripts/GRMLBASE/98-clean-chroot
   3 # Purpose:       clean up chroot system
   4 # Authors:       grml-team (grml.org), (c) Michael Prokop <mika@grml.org>
   5 # Bug-Reports:   see http://grml.org/bugs/
   6 # License:       This file is licensed under the GPL v2.
   7 ################################################################################
   8
   9 set -u
  10 set -e
  11
  12 if ! [ $(ls $target/boot/config-* 2>/dev/null) ] ; then
  13   echo "No kernel config files (/boot/config-*) found. No kernel-image package installed?" >&2
  14   exit 1
  15 fi
  16
  17 echo "Creating ~/.zshrc"
  18 touch $target/root/.zshrc
  19
  20 if [ -x $target/usr/sbin/localepurge ] ; then
  21   echo "Running localepurge"
  22   $ROOTCMD localepurge
  23 else
  24   echo "Warning: localepurg not installed"
  25 fi
  26
  27 echo "Removing /var/lib/apt/lists/*-stuff, dpkg-status-old and pkgcache.bin"
  28 rm -f $target/var/lib/apt/lists/*Packages \
  29       $target/var/lib/apt/lists/*Release \
  30       $target/var/lib/apt/lists/*Sources \
  31       $target/var/lib/apt/lists/*IndexDiff \
  32       $target/var/lib/apt/lists/*.gpg \
  33       $target/var/cache/apt-show-versions/* \
  34       $target/var/cache/debconf/templates.dat-old \
  35       $target/var/cache/apt/*.bin
  36
  37 echo "Cleaning apt places"
  38 $ROOTCMD apt-get check 2>/dev/null
  39 $ROOTCMD dpkg --clear-avail
  40 $ROOTCMD apt-cache gencaches 2>/dev/null
  41 $ROOTCMD apt-get clean
  42
  43 rm -f $target/var/lib/dpkg/status-old $target/var/lib/dpkg/available-old
  44
  45 if ! [ -x $target/usr/bin/grep-dctrl ] ; then
  46   echo "Warning: grep-dctrl not installed"
  47 else
  48   echo "Cleaning up /var/lib/dpkg/status"
  49   if $ROOTCMD grep-dctrl -v -F Status "purge ok not-installed" \
  50     /var/lib/dpkg/status > $target/var/lib/dpkg/status.new ; then
  51     mv $target/var/lib/dpkg/status.new $target/var/lib/dpkg/status
  52     chmod 644 $target/var/lib/dpkg/status
  53     chown root:root $target/var/lib/dpkg/status
  54   fi
  55 fi
  56
  57 echo "Removing host ssh-keys"
  58 rm -f $target/etc/ssh/*key*
  59
  60 if [ -d $target/var/spool/squid/ ] ; then
  61   echo "Cleaning /var/spool/squid/0*"
  62   rm -rf $target/var/spool/squid/0*
  63 fi
  64
  65 echo "Cleaning and removing some misc files and directories"
  66 find $target/etc -type f -name *.pre_fcopy -delete
  67 rm -rf --one-file-system $target/etc/sysconfig/* \
  68        $target/etc/motd.dpkg-* $target/etc/auto.master.*dpkg* \
  69        $target/etc/samba/*.SID $target/etc/samba/*.tdb \
  70        $target/var/run $target/var/log/ksymoops/* $target/var/lock/*  \
  71        $target/var/state/* $target/var/log/nessus/* \
  72        $target/halt $target/reboot $target/ash.static \
  73        $target/etc/dhcpc/*.info $target/etc/dhcpc/resolv* \
  74        $target/etc/*passwd- $target/etc/*shadow- \
  75        $target/etc/*group- $target/var/spool/postfix/maildrop/* \
  76        $target/etc/*.old $target/etc/*.original \
  77        $target/etc/lvm/.cache $target/etc/lvm/cache/.cache \
  78        $target/etc/lvm/backup/main $target/tmp/* \
  79        $target/var/tmp/* $target/var/backups/* \
  80        $target/var/lib/mysql $target/var/log/lilo_log.* $target/core*
  81
  82 # remove only "temporary" or saved files in the given directories
  83 nuke(){
  84   for i in $(find "$@" -name \*.gz -o -name \*.bz2 -o -name \*.0 2>/dev/null); do
  85     rm -f --one-file-system "$i"
  86   done
  87 }
  88
  89 # set all files in the given directories to a length of zero
  90 zero(){
  91   for i in $(find "$@" -type f -size +0 -not -name \*.ini 2>/dev/null); do
  92     :> "$i"
  93   done
  94 }
  95
  96 echo "Cleaning log and cache directories"
  97 nuke ${target}/var/log       ${target}/var/cache
  98 zero ${target}/var/local     ${target}/var/log \
  99      ${target}/var/spool     ${target}/var/lib/games \
 100      ${target}/var/cache/man ${target}/var/lib/nfs \
 101      ${target}/var/lib/xkb   ${target}/var/mail/grml \
 102      ${target}/var/account/pacct
 103
 104 # on /run we don't have to create it
 105 if [ -d ${target}/var/run ] ; then
 106   echo "Recreate empty utmp and wtmp"
 107   :>${target}/var/run/utmp
 108   :>${target}/var/run/wtmp
 109 fi
 110
 111 if ! [ -x $target/usr/sbin/update-ca-certificates ] ; then
 112   echo "Warning: update-ca-certificates not installed"
 113 else
 114   echo "Updating ca-certificates"
 115   $ROOTCMD update-ca-certificates
 116 fi
 117
 118 # regenerate ls.so.cache
 119 if ! [ -x $target/sbin/ldconfig ] ; then
 120   echo "Warning: ldconfig not installed"
 121 else
 122   echo "Updating ld.so.cache"
 123   $ROOTCMD ldconfig
 124 fi
 125
 126 if [ -x $target/usr/bin/update-menus ] ; then
 127   echo "Warning: update-menus not installed"
 128 else
 129   echo "Updating windowmanager menus"
 130   $ROOTCMD update-menus -v
 131 fi
 132
 133 if ! [ -x $target/usr/bin/mandb ] ; then
 134   echo "Warning: mandb not installed"
 135 else
 136   echo "Updating mandb"
 137   $ROOTCMD mandb -c
 138   $ROOTCMD man doesnotexist >/dev/null 2>&1 || true
 139 fi
 140
 141 if ! [ -d $target/var/lib/clamav/ ] ; then
 142   echo "Warning: clamav[-freshclam] not installed"
 143 else
 144   echo "Cleaning /var/lib/clamav/"
 145   rm -f $target/var/lib/clamav/clamav-*
 146
 147   echo "Setting up daily.cvd and main.cvd symlinks"
 148   if [ -f $target/var/lib/clamav/daily.cvd ] ; then
 149     mkdir -p $target/usr/share/doc/clamav-freshclam/examples/
 150     ln -sf /var/lib/clamav/daily.cvd $target/usr/share/doc/clamav-freshclam/examples/
 151     ln -sf /var/lib/clamav/main.cvd  $target/usr/share/doc/clamav-freshclam/examples/
 152   fi
 153 fi
 154
 155 if ! [ -r $target/etc/ld.so.nohwcap ] ; then
 156    echo "Creating /etc/ld.so.nohwcap"
 157    touch $target/etc/ld.so.nohwcap
 158 fi
 159
 160 # installation of resolvconf in chroot *with* /proc
 161 # is different from an installation without /proc,
 162 # so make sure it is OK in any case
 163 if ! [ -d $target/etc/resolvconf ] ; then
 164   echo "Warning: resolvconf not installed"
 165 else
 166   echo "Setting up resolvconf"
 167   if [ -L $target/etc/resolvconf/run ] ; then # resolvconf with /run
 168     # /etc/resolvconf/run symlinks to /run/resolvconf
 169     RESOLV_CONF=/run/resolvconf/
 170   else # no /run present
 171     RESOLV_CONF=/etc/resolvconf/run/
 172   fi
 173
 174   rm -rf   ${target}/${RESOLV_CONF}
 175   mkdir -p ${target}/${RESOLV_CONF}
 176
 177   touch ${target}/${RESOLV_CONF}/enable-updates
 178   mkdir ${target}/${RESOLV_CONF}/interface
 179
 180   cat > ${target}/${RESOLV_CONF}/resolv.conf << EOF
 181 # Dynamic resolv.conf(5) file for glibc resolver(3) generated by resolvconf(8)
 182 #     DO NOT EDIT THIS FILE BY HAND -- YOUR CHANGES WILL BE OVERWRITTEN
 183 EOF
 184 fi
 185
 186 if ! [ -x $target/usr/bin/updatedb ] ; then
 187   echo "Warning: updatedb not installed"
 188 else
 189   echo "Updating locate-database"
 190   $ROOTCMD updatedb --prunepaths='/tmp /usr/tmp /var/tmp /grml /root /proc /sys'
 191 fi
 192
 193 ## END OF FILE #################################################################
 194 # vim:ft=sh expandtab ai tw=80 tabstop=4 shiftwidth=2