1 # Hey Emacs, this is a -*- shell-script -*- !!!
3 # utility functions for ctdb event scripts
5 if [ -z "$CTDB_BASE" ] ; then
6 echo 'CTDB_BASE unset in CTDB functions file'
11 # CTDB_VARDIR is used elsewhere
12 # shellcheck disable=SC2034
13 CTDB_VARDIR="/usr/local/var/lib/ctdb"
14 ctdb_rundir="/usr/local/var/run/ctdb"
16 CTDB="${CTDB:-/usr/local/bin/ctdb}"
18 # Only (and always) override these variables in test code
20 if [ -z "$CTDB_SCRIPT_VARDIR" ] ; then
21 CTDB_SCRIPT_VARDIR="/usr/local/var/lib/ctdb/state"
24 if [ -z "$CTDB_SYS_ETCDIR" ] ; then
25 CTDB_SYS_ETCDIR="/etc"
28 if [ -z "$CTDB_HELPER_BINDIR" ] ; then
29 CTDB_HELPER_BINDIR="/usr/local/libexec/ctdb"
32 #######################################
33 # pull in a system config file, if any
35 rewrite_ctdb_options ()
39 _opts_defaults="mode=700"
40 # Get any extra options specified after colon
41 if [ "$CTDB_DBDIR" = "tmpfs" ] ; then
44 _opts="${CTDB_DBDIR#tmpfs:}"
46 # It is OK to repeat mount options - last value wins.
47 # CTDB_DBDIR_TMPFS_OPTIONS is used by ctdbd_wrapper
48 # shellcheck disable=SC2034
49 CTDB_DBDIR_TMPFS_OPTIONS="${_opts_defaults}${_opts:+,}${_opts}"
51 CTDB_DBDIR="${ctdb_rundir}/CTDB_DBDIR"
54 # shellcheck disable=SC2034
55 CTDB_DBDIR_TMPFS_OPTIONS=""
62 foo="${service_config:-${service_name}}"
63 if [ -n "$foo" ] ; then
69 if [ "$1" != "ctdb" ] ; then
77 if [ -f "${CTDB_SYS_ETCDIR}/sysconfig/$1" ]; then
78 . "${CTDB_SYS_ETCDIR}/sysconfig/$1"
79 elif [ -f "${CTDB_SYS_ETCDIR}/default/$1" ]; then
80 . "${CTDB_SYS_ETCDIR}/default/$1"
81 elif [ -f "${CTDB_BASE}/sysconfig/$1" ]; then
82 . "${CTDB_BASE}/sysconfig/$1"
85 if [ "$1" = "ctdb" ] ; then
86 _config="${CTDBD_CONF:-${CTDB_BASE}/ctdbd.conf}"
87 if [ -r "$_config" ] ; then
98 ##############################################################
109 # Log given message or stdin to either syslog or a CTDB log file
110 # $1 is the tag passed to logger if syslog is in use.
115 case "$CTDB_LOGGING" in
117 if [ -n "$CTDB_LOGGING" ] ; then
118 _file="${CTDB_LOGGING#file:}"
120 _file="/usr/local/var/log/log.ctdb"
123 if [ -n "$*" ] ; then
131 # Handle all syslog:* variants here too. There's no tool to do
132 # the lossy things, so just use logger.
133 logger -t "ctdbd: ${_tag}" "$@"
138 # When things are run in the background in an eventscript then logging
139 # output might get lost. This is the "solution". :-)
140 background_with_logging ()
143 "$@" 2>&1 </dev/null |
144 script_log "${script_name}&"
150 ##############################################################
151 # check number of args for different events
157 echo "ERROR: must supply interface, IP and maskbits"
163 echo "ERROR: must supply old interface, new interface, IP and maskbits"
170 ##############################################################
171 # determine on what type of system (init style) we are running
174 # only do detection if not already set:
175 [ -z "$CTDB_INIT_STYLE" ] || return
177 if [ -x /sbin/startproc ]; then
178 CTDB_INIT_STYLE="suse"
179 elif [ -x /sbin/start-stop-daemon ]; then
180 CTDB_INIT_STYLE="debian"
182 CTDB_INIT_STYLE="redhat"
186 ######################################################
187 # simulate /sbin/service on platforms that don't have it
188 # _service() makes it easier to hook the service() function for
195 # do nothing, when no service was specified
196 [ -z "$_service_name" ] && return
198 if [ -x /sbin/service ]; then
199 $_nice /sbin/service "$_service_name" "$_op"
200 elif [ -x /usr/sbin/service ]; then
201 $_nice /usr/sbin/service "$_service_name" "$_op"
202 elif [ -x /bin/systemctl ]; then
203 $_nice /bin/systemctl "$_op" "$_service_name"
204 elif [ -x "${CTDB_SYS_ETCDIR}/init.d/${_service_name}" ]; then
205 $_nice "${CTDB_SYS_ETCDIR}/init.d/${_service_name}" "$_op"
206 elif [ -x "${CTDB_SYS_ETCDIR}/rc.d/init.d/${_service_name}" ]; then
207 $_nice "${CTDB_SYS_ETCDIR}/rc.d/init.d/${_service_name}" "$_op"
217 ######################################################
218 # simulate /sbin/service (niced) on platforms that don't have it
225 ######################################################
226 # Cached retrieval of PNN from local node. This never changes so why
227 # open a client connection to the server each time this is needed?
230 _pnn_file="${CTDB_SCRIPT_VARDIR}/my-pnn"
231 if [ ! -f "$_pnn_file" ] ; then
232 $CTDB pnn >"$_pnn_file"
238 # Cached retrieval of private IP address from local node. This never
240 ctdb_get_ip_address ()
242 _ip_addr_file="${CTDB_SCRIPT_VARDIR}/my-ip-address"
243 if [ ! -f "$_ip_addr_file" ] ; then
244 $CTDB -X nodestatus |
245 awk -F '|' 'NR == 2 { print $3 }' >"$_ip_addr_file"
248 # ip_address is used by caller
249 # shellcheck disable=SC2034
253 ######################################################
254 # wrapper around /proc/ settings to allow them to be hooked
256 # 1st arg is relative path under /proc/, 2nd arg is value to set
259 echo "$2" >"/proc/$1"
264 if [ -w "/proc/$1" ] ; then
269 ######################################################
270 # wrapper around getting file contents from /proc/ to allow
271 # this to be hooked for testing
272 # 1st arg is relative path under /proc/
278 ######################################################
279 # Print up to $_max kernel stack traces for processes named $_program
280 program_stack_traces ()
286 for _pid in $(pidof "$_prog") ; do
287 [ "$_count" -le "$_max" ] || break
289 # Do this first to avoid racing with process exit
290 _stack=$(get_proc "${_pid}/stack" 2>/dev/null)
291 if [ -n "$_stack" ] ; then
292 echo "Stack trace for ${_prog}[${_pid}]:"
294 _count=$((_count + 1))
299 ######################################################
300 # Ensure $service_name is set
301 assert_service_name ()
303 [ -n "$service_name" ] || die "INTERNAL ERROR: \$service_name not set"
306 ######################################################
307 # check a set of directories is available
308 # return 1 on a missing directory
309 # directories are read from stdin
310 ######################################################
311 ctdb_check_directories_probe()
313 while IFS="" read d ; do
319 [ -d "${d}/." ] || return 1
324 ######################################################
325 # check a set of directories is available
326 # directories are read from stdin
327 ######################################################
328 ctdb_check_directories()
330 ctdb_check_directories_probe || {
331 echo "ERROR: $service_name directory \"$d\" not available"
336 ######################################################
337 # check a set of tcp ports
338 # usage: ctdb_check_tcp_ports <ports...>
339 ######################################################
341 # Check whether something is listening on all of the given TCP ports
342 # using the "ctdb checktcpport" command.
343 ctdb_check_tcp_ports()
345 if [ -z "$1" ] ; then
346 echo "INTERNAL ERROR: ctdb_check_tcp_ports - no ports specified"
350 for _p ; do # process each function argument (port)
351 _cmd="$CTDB checktcpport $_p"
356 echo "$service_name not listening on TCP port $_p"
360 # Couldn't bind, something already listening, next port
364 echo "unexpected error (${_ret}) running \"${_cmd}\""
365 if [ -n "$_out" ] ; then
373 # All ports listening
377 ######################################################
378 # check a unix socket
379 # usage: ctdb_check_unix_socket SOCKPATH
380 ######################################################
381 ctdb_check_unix_socket()
385 if [ -z "$_sockpath" ] ; then
386 echo "ERROR: ctdb_check_unix_socket() requires socket path"
390 if ! netstat --unix -a -n | grep -q "^unix.*LISTEN.*${_sockpath}$"; then
391 echo "ERROR: ${service_name} not listening on ${_sockpath}"
396 ################################################
397 # kill off any TCP connections with the given IP
398 ################################################
399 kill_tcp_connections ()
405 if [ "$3" = "oneway" ] ; then
409 get_tcp_connections_for_ip "$_ip" | {
414 while read _dst _src; do
415 _destport="${_dst##*:}"
418 # we only do one-way killtcp for CIFS
419 139|445) __oneway=true ;;
422 _connections="${_connections}${_nl}${_src} ${_dst}"
423 if ! $__oneway ; then
424 _connections="${_connections}${_nl}${_dst} ${_src}"
427 _killcount=$((_killcount + 1))
430 if [ $_killcount -eq 0 ] ; then
434 echo "$_connections" | \
435 "${CTDB_HELPER_BINDIR}/ctdb_killtcp" "$_iface" || {
436 echo "Failed to kill TCP connections"
440 _connections=$(get_tcp_connections_for_ip "$_ip")
441 if [ -z "$_connections" ] ; then
444 _remaining=$(echo "$_connections" | wc -l)
447 _actually_killed=$((_killcount - _remaining))
449 _t="${_actually_killed}/${_killcount}"
450 echo "Killed ${_t} TCP connections to released IP $_ip"
452 if [ -n "$_connections" ] ; then
453 echo "Remaining connections:"
454 echo "$_connections" | sed -e 's|^| |'
459 ##################################################################
460 # kill off the local end for any TCP connections with the given IP
461 ##################################################################
462 kill_tcp_connections_local_only ()
464 kill_tcp_connections "$@" "oneway"
467 ##################################################################
468 # tickle any TCP connections with the given IP
469 ##################################################################
470 tickle_tcp_connections ()
474 # Get connections, both directions
475 _conns=$(get_tcp_connections_for_ip "$_ip" | \
476 awk '{ print $1, $2 ; print $2, $1 }')
478 echo "$_conns" | awk '{ print "Tickle TCP connection", $1, $2 }'
479 echo "$_conns" | ctdb tickle
482 get_tcp_connections_for_ip ()
486 ss -tn state established "src [$_ip]" | awk 'NR > 1 {print $3, $4}'
489 ########################################################
497 # Ensure interface is up
498 ip link set "$_iface" up || \
499 die "Failed to bringup interface $_iface"
501 # Only need to define broadcast for IPv4
507 # Intentionally unquoted multi-word value here
508 # shellcheck disable=SC2086
509 ip addr add "$_ip/$_maskbits" $_bcast dev "$_iface" || {
510 echo "Failed to add $_ip/$_maskbits on dev $_iface"
514 # Wait 5 seconds for IPv6 addresses to stop being tentative...
515 if [ -z "$_bcast" ] ; then
516 for _x in $(seq 1 10) ; do
517 ip addr show to "${_ip}/128" | grep -q "tentative" || break
521 # If the address was a duplicate then it won't be on the
522 # interface so flag an error.
523 _t=$(ip addr show to "${_ip}/128")
526 echo "Failed to add $_ip/$_maskbits on dev $_iface"
529 *tentative*|*dadfailed*)
530 echo "Failed to add $_ip/$_maskbits on dev $_iface"
531 ip addr del "$_ip/$_maskbits" dev "$_iface"
538 delete_ip_from_iface()
544 # This could be set globally for all interfaces but it is probably
545 # better to avoid surprises, so limit it the interfaces where CTDB
546 # has public IP addresses. There isn't anywhere else convenient
547 # to do this so just set it each time. This is much cheaper than
548 # remembering and re-adding secondaries.
549 set_proc "sys/net/ipv4/conf/${_iface}/promote_secondaries" 1
551 ip addr del "$_ip/$_maskbits" dev "$_iface" || {
552 echo "Failed to del $_ip on dev $_iface"
557 # If the given IP is hosted then print 2 items: maskbits and iface
566 ip addr show to "${_addr}/${_bits}" 2>/dev/null | \
567 awk 'NR == 1 { iface = $2; sub(":$", "", iface) ;
568 sub("@.*", "", iface) }
569 $1 ~ /inet/ { mask = $2; sub(".*/", "", mask);
575 _addr="${1%/*}" # Remove optional maskbits
577 # Intentional word splitting here
578 # shellcheck disable=SC2046
579 set -- $(ip_maskbits_iface "$_addr")
580 if [ -n "$1" ] ; then
583 echo "Removing public address $_addr/$_maskbits from device $_iface"
584 delete_ip_from_iface "$_iface" "$_addr" "$_maskbits" >/dev/null 2>&1
588 drop_all_public_ips ()
590 # _x is intentionally ignored
591 # shellcheck disable=SC2034
592 while read _ip _x ; do
594 done <"${CTDB_PUBLIC_ADDRESSES:-/dev/null}"
599 set_proc_maybe sys/net/ipv4/route/flush 1
600 set_proc_maybe sys/net/ipv6/route/flush 1
603 ########################################################
604 # Interface monitoring
606 # If the interface is a virtual one (e.g. VLAN) then get the
607 # underlying interface
608 interface_get_real ()
610 # Output of "ip link show <iface>"
613 # Extract the full interface description to see if it is a VLAN
614 _t=$(echo "$_iface_info" |
615 awk 'NR == 1 { iface = $2; sub(":$", "", iface) ;
619 # VLAN: use the underlying interface, after the '@'
623 # Not a regular VLAN. For backward compatibility, assume
624 # there is some other sort of VLAN that doesn't have the
625 # '@' in the output and only use what is before a '.'. If
626 # there is no '.' then this will be the whole interface
632 # Check whether an interface is operational
637 _iface_info=$(ip link show "$_iface" 2>&1) || {
638 echo "ERROR: Monitored interface ${_iface} does not exist"
643 # If the interface is a virtual one (e.g. VLAN) then get the
644 # underlying interface.
645 _realiface=$(interface_get_real "$_iface_info")
647 if _bi=$(get_proc "net/bonding/${_realiface}" 2>/dev/null) ; then
648 # This is a bond: various monitoring strategies
649 echo "$_bi" | grep -q 'Currently Active Slave: None' && {
650 echo "ERROR: No active slaves for bond device ${_realiface}"
653 echo "$_bi" | grep -q '^MII Status: up' || {
654 echo "ERROR: public network interface ${_realiface} is down"
657 echo "$_bi" | grep -q '^Bonding Mode: IEEE 802.3ad Dynamic link aggregation' && {
658 # This works around a bug in the driver where the
659 # overall bond status can be up but none of the actual
660 # physical interfaces have a link.
661 echo "$_bi" | grep 'MII Status:' | tail -n +2 | grep -q '^MII Status: up' || {
662 echo "ERROR: No active slaves for 802.ad bond device ${_realiface}"
672 # loopback is always working
676 # we don't know how to test ib links
680 ethtool "$_iface" | grep -q 'Link detected: yes' || {
681 # On some systems, this is not successful when a
682 # cable is plugged but the interface has not been
683 # brought up previously. Bring the interface up
685 ip link set "$_iface" up
686 ethtool "$_iface" | grep -q 'Link detected: yes' || {
687 echo "ERROR: No link on the public network interface ${_iface}"
697 ########################################################
699 _ctdb_counter_common () {
700 _service_name="${1:-${service_name:-${script_name}}}"
701 _counter_file="${CTDB_SCRIPT_VARDIR}/failcount/${_service_name}"
702 mkdir -p "${_counter_file%/*}" # dirname
704 # Some code passes an argument
705 # shellcheck disable=SC2120
706 ctdb_counter_init () {
707 _ctdb_counter_common "$1"
711 ctdb_counter_incr () {
712 _ctdb_counter_common "$1"
714 # unary counting using newlines!
715 echo >>"$_counter_file"
717 ctdb_counter_get () {
718 _ctdb_counter_common "$1"
720 stat -c "%s" "$_counter_file" 2>/dev/null || echo 0
723 ########################################################
725 ctdb_setup_service_state_dir ()
727 _s="${1:-${service_name}}"
729 _service_state_dir="${CTDB_SCRIPT_VARDIR}/service_state/${_s}"
730 mkdir -p "$_service_state_dir" ||
731 die "Error creating state dir \"${_service_state_dir}\""
733 echo "$_service_state_dir"
736 ##################################################################
737 # Reconfigure a service on demand
739 _ctdb_service_reconfigure_common ()
741 _d="${CTDB_SCRIPT_VARDIR}/service_status/${service_name}"
743 _ctdb_service_reconfigure_flag="$_d/reconfigure"
746 ctdb_service_needs_reconfigure ()
748 _ctdb_service_reconfigure_common
749 [ -e "$_ctdb_service_reconfigure_flag" ]
752 ctdb_service_set_reconfigure ()
754 _ctdb_service_reconfigure_common
755 : >"$_ctdb_service_reconfigure_flag"
758 ctdb_service_unset_reconfigure ()
760 _ctdb_service_reconfigure_common
761 rm -f "$_ctdb_service_reconfigure_flag"
764 ctdb_service_reconfigure ()
766 echo "Reconfiguring service \"${service_name}\"..."
767 ctdb_service_unset_reconfigure
768 service_reconfigure || return $?
769 # Intentionally have this use $service_name as default
770 # shellcheck disable=SC2119
774 # Default service_reconfigure() function does nothing.
775 service_reconfigure ()
780 ##################################################################
781 # Does CTDB manage this service?
783 ctdb_compat_managed_service ()
785 if [ "$1" = "yes" -a "$2" = "$service_name" ] ; then
786 CTDB_MANAGED_SERVICES="$CTDB_MANAGED_SERVICES $2"
790 is_ctdb_managed_service ()
794 # $t is used just for readability and to allow better accurate
795 # matching via leading/trailing spaces
796 t=" $CTDB_MANAGED_SERVICES "
798 # Return 0 if "<space>$service_name<space>" appears in $t
799 if [ "${t#* ${service_name} }" != "${t}" ] ; then
803 # If above didn't match then update $CTDB_MANAGED_SERVICES for
804 # backward compatibility and try again.
805 ctdb_compat_managed_service "$CTDB_MANAGES_VSFTPD" "vsftpd"
806 ctdb_compat_managed_service "$CTDB_MANAGES_SAMBA" "samba"
807 ctdb_compat_managed_service "$CTDB_MANAGES_WINBIND" "winbind"
808 ctdb_compat_managed_service "$CTDB_MANAGES_HTTPD" "apache2"
809 ctdb_compat_managed_service "$CTDB_MANAGES_HTTPD" "httpd"
810 ctdb_compat_managed_service "$CTDB_MANAGES_ISCSI" "iscsi"
811 ctdb_compat_managed_service "$CTDB_MANAGES_CLAMD" "clamd"
812 ctdb_compat_managed_service "$CTDB_MANAGES_NFS" "nfs"
814 t=" $CTDB_MANAGED_SERVICES "
816 # Return 0 if "<space>$service_name<space>" appears in $t
817 [ "${t#* ${service_name} }" != "${t}" ]
820 # Default service_start() and service_stop() functions.
822 # These may be overridden in an eventscript.
825 service "$service_name" start
830 service "$service_name" stop
833 ##################################################################
835 # This exists only for backward compatibility with 3rd party scripts
837 ctdb_standard_event_handler ()
845 if [ "$_family" = "inet6" ] ; then
846 _iptables_cmd="ip6tables"
848 _iptables_cmd="iptables"
851 # iptables doesn't like being re-entered, so flock-wrap it.
852 flock -w 30 "${CTDB_SCRIPT_VARDIR}/iptables.flock" "$_iptables_cmd" "$@"
855 # AIX (and perhaps others?) doesn't have mktemp
856 # type is commonly supported and more portable than which(1)
857 # shellcheck disable=SC2039
858 if ! type mktemp >/dev/null 2>&1 ; then
862 if [ "$1" = "-d" ] ; then
867 _hex10=$(dd if=/dev/urandom count=20 2>/dev/null | \
869 sed -e 's@\(..........\).*@\1@')
870 _t="${_d}/tmp.${_hex10}"
883 ######################################################################
884 # NFS callout handling
890 if [ -z "$CTDB_NFS_CALLOUT" ] ; then
891 CTDB_NFS_CALLOUT="${CTDB_BASE}/nfs-linux-kernel-callout"
893 # Always export, for statd callout
894 export CTDB_NFS_CALLOUT
896 # If the callout wants to use this then it must create it
897 export CTDB_NFS_CALLOUT_STATE_DIR="${_state_dir}/callout-state"
899 # Export, if set, for use by clustered NFS callouts
900 if [ -n "$CTDB_NFS_STATE_FS_TYPE" ] ; then
901 export CTDB_NFS_STATE_FS_TYPE
903 if [ -n "$CTDB_NFS_STATE_MNT" ] ; then
904 export CTDB_NFS_STATE_MNT
907 nfs_callout_cache="${_state_dir}/nfs_callout_cache"
908 nfs_callout_cache_callout="${nfs_callout_cache}/CTDB_NFS_CALLOUT"
909 nfs_callout_cache_ops="${nfs_callout_cache}/ops"
912 nfs_callout_register ()
914 mkdir -p "$nfs_callout_cache_ops"
915 rm -f "$nfs_callout_cache_ops"/*
917 echo "$CTDB_NFS_CALLOUT" >"$nfs_callout_cache_callout"
919 _t=$(eval "$CTDB_NFS_CALLOUT" "register")
920 if [ -n "$_t" ] ; then
922 while IFS="" read _op ; do
923 touch "${nfs_callout_cache_ops}/${_op}"
926 touch "${nfs_callout_cache_ops}/ALL"
932 # Re-run registration if $CTDB_NFS_CALLOUT has changed
934 if [ -r "$nfs_callout_cache_callout" ] ; then
935 read _prev <"$nfs_callout_cache_callout"
937 if [ "$CTDB_NFS_CALLOUT" != "$_prev" ] ; then
941 # Run the operation if it is registered...
942 if [ -e "${nfs_callout_cache_ops}/${1}" ] || \
943 [ -e "${nfs_callout_cache_ops}/ALL" ]; then
944 eval "$CTDB_NFS_CALLOUT" "$@"
948 ########################################################
950 ########################################################
956 tickledir="${CTDB_SCRIPT_VARDIR}/tickles"
957 mkdir -p "$tickledir"
959 # What public IPs do I hold?
961 _ips=$($CTDB -X ip | awk -F'|' -v pnn="$_pnn" '$3 == pnn {print $2}')
963 # IPs and port as ss filters
965 for _ip in $_ips ; do
966 _ip_filter="${_ip_filter}${_ip_filter:+ || }src [${_ip}]"
968 _port_filter="sport == :${_port}"
970 # Record connections to our public IPs in a temporary file.
971 # This temporary file is in CTDB's private state directory and
972 # $$ is used to avoid a very rare race involving CTDB's script
973 # debugging. No security issue, nothing to see here...
974 _my_connections="${tickledir}/${_port}.connections.$$"
975 # Parentheses are needed around the filters for precedence but
976 # the parentheses can't be empty!
977 ss -tn state established \
978 "${_ip_filter:+( ${_ip_filter} )}" \
979 "${_port_filter:+( ${_port_filter} )}" |
980 awk 'NR > 1 {print $4, $3}' |
981 sort >"$_my_connections"
983 # Record our current tickles in a temporary file
984 _my_tickles="${tickledir}/${_port}.tickles.$$"
986 $CTDB -X gettickles "$_i" "$_port" |
987 awk -F'|' 'NR > 1 { printf "%s:%s %s:%s\n", $2, $3, $4, $5 }'
991 # Add tickles for connections that we haven't already got tickles for
992 comm -23 "$_my_connections" "$_my_tickles" | \
995 # Remove tickles for connections that are no longer there
996 comm -13 "$_my_connections" "$_my_tickles" | \
999 rm -f "$_my_connections" "$_my_tickles"
1001 # Remove stale files from killed scripts
1002 # Files can't have spaces in name, more portable than -print0/-0
1003 # shellcheck disable=SC2038
1004 (cd "$tickledir" && find . -type f -mmin +10 | xargs -r rm)
1007 ########################################################
1008 # load a site local config file
1009 ########################################################
1011 [ -n "$CTDB_RC_LOCAL" -a -x "$CTDB_RC_LOCAL" ] && {
1015 [ -x "${CTDB_BASE}/rc.local" ] && {
1016 . "${CTDB_BASE}/rc.local"
1019 [ -d "${CTDB_BASE}/rc.local.d" ] && {
1020 for i in "${CTDB_BASE}/rc.local.d"/* ; do
1021 [ -x "$i" ] && . "$i"
1025 script_name="${0##*/}" # basename