diff options
Diffstat (limited to 'scripts/lvmconf.sh')
| -rw-r--r-- | scripts/lvmconf.sh | 262 |
1 files changed, 0 insertions, 262 deletions
diff --git a/scripts/lvmconf.sh b/scripts/lvmconf.sh deleted file mode 100644 index 5a8e9e8..0000000 --- a/scripts/lvmconf.sh +++ /dev/null @@ -1,262 +0,0 @@ -#!/bin/bash -# -# Copyright (C) 2004-2009 Red Hat, Inc. All rights reserved. -# -# This file is part of the lvm2 package. -# -# This copyrighted material is made available to anyone wishing to use, -# modify, copy, or redistribute it subject to the terms and conditions -# of the GNU General Public License v.2. -# -# You should have received a copy of the GNU General Public License -# along with this program; if not, write to the Free Software Foundation, -# Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - -# -# Edit an lvm.conf file to adjust various properties -# - -function usage -{ - echo "usage: $0 <command>" - echo "" - echo "Commands:" - echo "Enable clvm: --enable-cluster [--lockinglibdir <dir>] [--lockinglib <lib>]" - echo "Disable clvm: --disable-cluster" - echo "Set locking library: --lockinglibdir <dir> [--lockinglib <lib>]" - echo "" - echo "Global options:" - echo "Config file location: --file <configfile>" - echo "" -} - - -function parse_args -{ - while [ -n "$1" ]; do - case $1 in - --enable-cluster) - LOCKING_TYPE=3 - shift - ;; - --disable-cluster) - LOCKING_TYPE=1 - shift - ;; - --lockinglibdir) - if [ -n "$2" ]; then - LOCKINGLIBDIR=$2 - shift 2 - else - usage - exit 1 - fi - ;; - --lockinglib) - if [ -n "$2" ]; then - LOCKINGLIB=$2 - shift 2 - else - usage - exit 1 - fi - ;; - --file) - if [ -n "$2" ]; then - CONFIGFILE=$2 - shift 2 - else - usage - exit 1 - fi - ;; - *) - usage - exit 1 - esac - done -} - -function validate_args -{ - [ -z "$CONFIGFILE" ] && CONFIGFILE="/etc/lvm/lvm.conf" - - if [ ! -f "$CONFIGFILE" ] - then - echo "$CONFIGFILE does not exist" - exit 10 - fi - - if [ -z "$LOCKING_TYPE" ] && [ -z "$LOCKINGLIBDIR" ]; then - usage - exit 1 - fi - - if [ -n "$LOCKINGLIBDIR" ]; then - - if [ "${LOCKINGLIBDIR:0:1}" != "/" ] - then - echo "Prefix must be an absolute path name (starting with a /)" - exit 12 - fi - - if [ -n "$LOCKINGLIB" ] && [ ! -f "$LOCKINGLIBDIR/$LOCKINGLIB" ] - then - echo "$LOCKINGLIBDIR/$LOCKINGLIB does not exist, did you do a \"make install\" ?" - exit 11 - fi - - fi - - if [ "$LOCKING_TYPE" = "1" ] && [ -n "$LOCKINGLIBDIR" -o -n "$LOCKINGLIB" ]; then - echo "Superfluous locking lib parameter, ignoring" - fi -} - -umask 0077 - -parse_args "$@" - -validate_args - - -SCRIPTFILE=/etc/lvm/.lvmconf-script.tmp -TMPFILE=/etc/lvm/.lvmconf-tmp.tmp - - -# Flags so we know which parts of the file we can replace and which need -# adding. These are return codes from grep, so zero means it IS present! -have_type=1 -have_dir=1 -have_library=1 -have_global=1 - -grep -q '^[[:blank:]]*locking_type[[:blank:]]*=' $CONFIGFILE -have_type=$? - -grep -q '^[[:blank:]]*library_dir[[:blank:]]*=' $CONFIGFILE -have_dir=$? - -grep -q '^[[:blank:]]*locking_library[[:blank:]]*=' $CONFIGFILE -have_library=$? - -# Those options are in section "global {" so we must have one if any are present. -if [ "$have_type" = "0" -o "$have_dir" = "0" -o "$have_library" = "0" ] -then - - # See if we can find it... - grep -q '^[[:blank:]]*global[[:blank:]]*{' $CONFIGFILE - have_global=$? - - if [ "$have_global" = "1" ] - then - echo "global keys but no 'global {' found, can't edit file" - exit 13 - fi -fi - -if [ "$LOCKING_TYPE" = "2" ] && [ -z "$LOCKINGLIBDIR" ] && [ "$have_dir" = "1" ]; then - echo "no library_dir specified in $CONFIGFILE" - exit 16 -fi - -# So if we don't have "global {" we need to create one and -# populate it - -if [ "$have_global" = "1" ] -then - if [ -z "$LOCKING_TYPE" ]; then - LOCKING_TYPE=1 - fi - if [ "$LOCKING_TYPE" = "3" ] || [ "$LOCKING_TYPE" = "2" ]; then - cat $CONFIGFILE - <<EOF > $TMPFILE -global { - # Enable locking for cluster LVM - locking_type = $LOCKING_TYPE - library_dir = "$LOCKINGLIBDIR" -EOF - if [ $? != 0 ] - then - echo "failed to create temporary config file, $CONFIGFILE not updated" - exit 14 - fi - if [ -n "$LOCKINGLIB" ]; then - cat - <<EOF >> $TMPFILE - locking_library = "$LOCKINGLIB" -EOF - if [ $? != 0 ] - then - echo "failed to create temporary config file, $CONFIGFILE not updated" - exit 16 - fi - fi - cat - <<EOF >> $TMPFILE -} -EOF - fi # if we aren't setting cluster locking, we don't need to create a global section - - if [ $? != 0 ] - then - echo "failed to create temporary config file, $CONFIGFILE not updated" - exit 17 - fi -else - # - # We have a "global {" section, so add or replace the - # locking entries as appropriate - # - - if [ -n "$LOCKING_TYPE" ]; then - if [ "$have_type" = "0" ] - then - SEDCMD=" s/^[[:blank:]]*locking_type[[:blank:]]*=.*/\ \ \ \ locking_type = $LOCKING_TYPE/g" - else - SEDCMD=" /global[[:blank:]]*{/a\ \ \ \ locking_type = $LOCKING_TYPE" - fi - fi - - if [ -n "$LOCKINGLIBDIR" ]; then - if [ "$have_dir" = "0" ] - then - SEDCMD="${SEDCMD}\ns'^[[:blank:]]*library_dir[[:blank:]]*=.*'\ \ \ \ library_dir = \"$LOCKINGLIBDIR\"'g" - else - SEDCMD="${SEDCMD}\n/global[[:blank:]]*{/a\ \ \ \ library_dir = \"$LOCKINGLIBDIR\"" - fi - fi - - if [ -n "$LOCKINGLIB" ]; then - if [ "$have_library" = "0" ] - then - SEDCMD="${SEDCMD}\ns/^[[:blank:]]*locking_library[[:blank:]]*=.*/\ \ \ \ locking_library = \"$LOCKINGLIB\"/g" - else - SEDCMD="${SEDCMD}\n/global[[:blank:]]*{/a\ \ \ \ locking_library = \"$LOCKINGLIB\"" - fi - fi - - echo -e $SEDCMD > $SCRIPTFILE - sed <$CONFIGFILE >$TMPFILE -f $SCRIPTFILE - if [ $? != 0 ] - then - echo "sed failed, $CONFIGFILE not updated" - exit 15 - fi -fi - -# Now we have a suitably editted config file in a temp place, -# backup the original and copy our new one into place. - -cp $CONFIGFILE $CONFIGFILE.lvmconfold -if [ $? != 0 ] - then - echo "failed to backup old config file, $CONFIGFILE not updated" - exit 2 -fi - -cp $TMPFILE $CONFIGFILE -if [ $? != 0 ] - then - echo "failed to copy new config file into place, check $CONFIGFILE is still OK" - exit 3 -fi - -rm -f $SCRIPTFILE $TMPFILE |