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|
#
# PostgreSQL handler script for backupninja
#
getconf backupdir /var/backups/postgres
getconf databases all
getconf compress yes
getconf vsname
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
fi
# Check to make sure that the specified vserver exists
if [ $usevserver ]
then
vroot="$VROOTDIR/$vsname"
[ -d $vroot ] || fatal "vserver '$vsname' does not exist at '$vroot'"
fi
# create backup dir, the vroot variable will be empty if no vsname was specified
# and will proceed to operate on the host
[ -d $vroot$backupdir ] || mkdir -p $vroot$backupdir
[ -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}'`
debug "chown $pguid $vroot$backupdir"
chown $pguid $vroot$backupdir
debug "chmod 700 $vroot$backupdir"
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"
else
execstr="su - postgres -c $PGSQLDUMPALL > $backupdir/${localhost}-all.sql"
fi
debug "$execstr"
if [ ! $test ]; then
output=`$execstr 2>&1`
code=$?
if [ "$code" == "0" ]; then
debug $output
info "Successfully finished dump of pgsql cluster"
else
warning $output
warning "Failed to dump pgsql cluster"
fi
fi
# 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"
else
execstr="su - postgres -c $PGSQLDUMP $db > $backupdir/${db}.sql"
fi
debug "$execstr"
if [ ! $test ]; then
output=`$execstr 2>&1`
code=$?
if [ "$code" == "0" ]; then
debug $output
info "Successfully finished dump of pgsql database ${db}"
else
warning $output
warning "Failed to dump pgsql database ${db}"
fi
fi
done
fi
if [ "$compress" == "yes" ]; then
output=`$GZIP -f $vroot$backupdir/*.sql 2>&1`
debug $output
fi
return 0
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