+# -*- mode: sh; sh-basic-offset: 3; indent-tabs-mode: nil; -*-
#
# PostgreSQL handler script for backupninja
#
localhost=`hostname`
-# If vservers are configured, decide if the handler should
-# use them or if it should just operate on the host
-if [ "$vservers" == "yes" ]; then
- if [ ! -z $vsname ]; then
- info "using vserver '$vsname'"
- usevserver=1
- else
- info "no vserver name specified, actions will be performed on the host"
- fi
+# Decide if the handler should operate on a vserver or on the host.
+# In the former case, check that $vsname exists and is running.
+local usevserver=no
+local vroot
+if [ $vservers_are_available = yes ]; then
+ if [ -n "$vsname" ]; then
+ # does it exist ?
+ if ! vservers_exist "$vsname" ; then
+ fatal "The vserver given in vsname ($vsname) does not exist."
+ fi
+ # is it running ?
+ $VSERVERINFO -q $vsname RUNNING
+ if [ $? -ne 0 ]; then
+ fatal "The vserver $vsname is not running."
+ fi
+ # everything ok
+ info "Using vserver '$vsname'."
+ usevserver=yes
+ vroot="$VROOTDIR/$vsname"
+ else
+ info "No vserver name specified, actions will be performed on the host."
+ fi
fi
-# As needed, make sure that :
-# * the specified vserver exists and is running
-# * the specified vserver or host has the needed executables
-if [ $usevserver ]; then
- info "examining vserver '$vsname'"
- # does it exist ?
- vroot="$VROOTDIR/$vsname"
- [ -d $vroot ] || fatal "vserver '$vsname' does not exist at '$vroot'"
- # is it running ?
- running=`$VSERVERINFO $vsname RUNNING`
- if [ $running = 1 ]; then
- if [ "$databases" == "all" ]; then
- [ -x "$vroot`$VSERVER $vsname exec which $PGSQLDUMPALL`" ] || \
- fatal "Can't find $PGSQLDUMPALL in vserver $vsname."
- else
- [ -x "$vroot`$VSERVER $vsname exec which $PGSQLDUMP`" ] || \
- fatal "Can't find $PGSQLDUMP in vserver $vsname."
- fi
- else
- fatal "vserver $vsname is not running."
- fi
+# Make sure that the system to backup has the needed executables
+if [ $usevserver = yes ]; then
+ debug "Examining vserver '$vsname'."
+ if [ "$databases" == "all" ]; then
+ [ -x "$vroot`$VSERVER $vsname exec which $PGSQLDUMPALL`" ] || \
+ fatal "Can't find $PGSQLDUMPALL in vserver $vsname."
+ else
+ [ -x "$vroot`$VSERVER $vsname exec which $PGSQLDUMP`" ] || \
+ fatal "Can't find $PGSQLDUMP in vserver $vsname."
+ fi
else
- if [ "$databases" == "all" ]; then
- [ -x "`which $PGSQLDUMPALL`" ] || \
- fatal "Can't find $PGSQLDUMPALL."
- else
- [ -x "`which $PGSQLDUMP`" ] || \
- fatal "Can't find $PGSQLDUMP."
- fi
+ if [ "$databases" == "all" ]; then
+ [ -x "`which $PGSQLDUMPALL`" ] || \
+ fatal "Can't find $PGSQLDUMPALL."
+ else
+ [ -x "`which $PGSQLDUMP`" ] || \
+ fatal "Can't find $PGSQLDUMP."
+ fi
fi
# create backup dir, the vroot variable will be empty if no vsname was specified
[ -d $vroot$backupdir ] || fatal "Backup directory '$vroot$backupdir'"
# give backup dir the good uid and permissions
-# (in respect to the vserver, if $usevserver)
-pguid=`grep '^postgres:' $vroot/etc/passwd | awk -F: '{print $3}'`
+# (in respect to the vserver, if $usevserver = yes)
+if [ $usevserver = yes ]; then
+ pguid=`$VSERVER $vsname exec getent passwd $PGSQLUSER | @AWK@ -F: '{print $3}'`
+else
+ pguid=`getent passwd $PGSQLUSER | @AWK@ -F: '{print $3}'`
+fi
[ -n "$pguid" ] || \
- fatal "No user called postgres`[ $usevserver != 1 ] || echo \" on vserver $vsname\"`."
+ fatal "No user called $PGSQLUSER`[ $usevserver = no ] || echo \" on vserver $vsname\"`."
debug "chown $pguid $vroot$backupdir"
chown $pguid $vroot$backupdir
debug "chmod 700 $vroot$backupdir"
# if $databases = all, use pg_dumpall
if [ "$databases" == "all" ]; then
- if [ $usevserver ]; then
- execstr="$VSERVER $vsname exec su - postgres -c $PGSQLDUMPALL > $vroot$backupdir/${vsname}.sql"
+ if [ $usevserver = yes ]; then
+ if [ "$compress" == "yes" ]; then
+ execstr="$VSERVER $vsname exec su - $PGSQLUSER -c \"$PGSQLDUMPALL | $GZIP > $backupdir/${vsname}.sql.gz\""
+ else
+ execstr="$VSERVER $vsname exec su - $PGSQLUSER -c \"$PGSQLDUMPALL > $backupdir/${vsname}.sql\""
+ fi
else
- execstr="su - postgres -c $PGSQLDUMPALL > $backupdir/${localhost}-all.sql"
+ if [ "$compress" == "yes" ]; then
+ execstr="su - $PGSQLUSER -c \"$PGSQLDUMPALL | $GZIP > $backupdir/${localhost}-all.sql.gz\""
+ else
+ execstr="su - $PGSQLUSER -c \"$PGSQLDUMPALL > $backupdir/${localhost}-all.sql\""
+ fi
fi
debug "$execstr"
if [ ! $test ]; then
- output=`$execstr 2>&1`
- code=$?
+ output=`eval $execstr 2>&1`
+ code=$?
if [ "$code" == "0" ]; then
debug $output
info "Successfully finished dump of pgsql cluster"
# else use pg_dump on each specified database
else
for db in $databases; do
- if [ $usevserver ]
- then
- execstr="$VSERVER $vsname exec su - postgres -c $PGSQLDUMP $db > $vroot$backupdir/${db}.sql"
+ if [ $usevserver = yes ]; then
+ if [ "$compress" == "yes" ]; then
+ execstr="$VSERVER $vsname exec su - $PGSQLUSER -c \"$PGSQLDUMP $db | $GZIP > $backupdir/${db}.sql.gz\""
+ else
+ execstr="$VSERVER $vsname exec su - $PGSQLUSER -c \"$PGSQLDUMP $db | > $backupdir/${db}.sql\""
+ fi
else
- execstr="su - postgres -c $PGSQLDUMP $db > $backupdir/${db}.sql"
+ if [ "$compress" == "yes" ]; then
+ execstr="su - $PGSQLUSER -c \"$PGSQLDUMP $db | $GZIP > $backupdir/${db}.sql.gz\""
+ else
+ execstr="su - $PGSQLUSER -c \"$PGSQLDUMP $db > $backupdir/${db}.sql\""
+ fi
fi
debug "$execstr"
if [ ! $test ]; then
- output=`$execstr 2>&1`
+ output=`eval $execstr 2>&1`
code=$?
if [ "$code" == "0" ]; then
debug $output
done
fi
-if [ "$compress" == "yes" ]; then
- output=`$GZIP -f $vroot$backupdir/*.sql 2>&1`
- debug $output
-fi
-
return 0
projects / matthijs / upstream / backupninja.git / blobdiff