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diff --git a/heartbeat/nfsnotify.in b/heartbeat/nfsnotify.in
index 851f6ad6b..fe6d2793b 100644
--- a/heartbeat/nfsnotify.in
+++ b/heartbeat/nfsnotify.in
@@ -1,323 +1,323 @@
#!@BASH_SHELL@
#
# Copyright (c) 2014 David Vossel <davidvossel@gmail.com>
# All Rights Reserved.
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of version 2 of the GNU General Public License as
# published by the Free Software Foundation.
#
# This program is distributed in the hope that it would be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
#
# Further, this software is distributed without any warranty that it is
# free of the rightful claim of any third person regarding infringement
# or the like. Any license provided herein, whether implied or
# otherwise, applies only to this software file. Patent licenses, if
# any, provided herein do not apply to combinations of this program with
# other software, or any other product whatsoever.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write the Free Software Foundation,
# Inc., 59 Temple Place - Suite 330, Boston MA 02111-1307, USA.
#
#######################################################################
# Initialization:
: ${OCF_FUNCTIONS_DIR=${OCF_ROOT}/lib/heartbeat}
. ${OCF_FUNCTIONS_DIR}/ocf-shellfuncs
. ${OCF_FUNCTIONS_DIR}/ocf-directories
# Parameter defaults
OCF_RESKEY_source_host_default=""
-OCF_RESKEY_notify_args_default="false"
+OCF_RESKEY_notify_args_default=""
: ${OCF_RESKEY_source_host=${OCF_RESKEY_source_host_default}}
: ${OCF_RESKEY_notify_args=${OCF_RESKEY_notify_args_default}}
#######################################################################
sbindir=$HA_SBIN_DIR
if [ -z "$sbindir" ]; then
sbindir=/usr/sbin
fi
SELINUX_ENABLED=-1
NFSNOTIFY_TMP_DIR="${HA_RSCTMP}/nfsnotify_${OCF_RESOURCE_INSTANCE}/"
HA_STATD_PIDFILE="$NFSNOTIFY_TMP_DIR/rpc.statd_${OCF_RESOURCE_INSTANCE}.pid"
HA_STATD_PIDFILE_PREV="$NFSNOTIFY_TMP_DIR/rpc.statd_${OCF_RESOURCE_INSTANCE}.pid.prev"
STATD_PATH="/var/lib/nfs/statd"
SM_NOTIFY_BINARY="${sbindir}/sm-notify"
IS_RENOTIFY=0
meta_data() {
cat <<END
<?xml version="1.0"?>
<!DOCTYPE resource-agent SYSTEM "ra-api-1.dtd">
<resource-agent name="nfsnotify">
<version>1.0</version>
<longdesc lang="en">
This agent sends NFSv3 reboot notifications to clients which informs clients to reclaim locks.
</longdesc>
<shortdesc lang="en">sm-notify reboot notifications</shortdesc>
<parameters>
<parameter name="source_host" unique="0" required="0">
<longdesc lang="en">
Comma separated list of floating IP addresses or host names that clients use
to access the nfs service. This will be used to set the source address and
mon_name of the SN_NOTIFY reboot notifications.
</longdesc>
<shortdesc lang="en">source IP addresses</shortdesc>
<content type="string" default="${OCF_RESKEY_source_host_default}" />
</parameter>
<parameter name="notify_args" unique="0" required="0">
<longdesc lang="en">
Additional arguments to send to the sm-notify command. By default
this agent will always set sm-notify's '-f' option. When the
source_host option is set, the '-v' option will be used automatically
to set the proper source address. Any additional sm-notify arguments
set with this option will be used in addition to the previous default
arguments.
</longdesc>
<shortdesc lang="en">sm-notify arguments</shortdesc>
<content type="string" default="${OCF_RESKEY_notify_args_default}" />
</parameter>
</parameters>
<actions>
<action name="start" timeout="90s" />
<action name="stop" timeout="90s" />
<action name="monitor" timeout="90s" interval="30s" depth="0" />
<action name="reload" timeout="90s" />
<action name="meta-data" timeout="10s" />
<action name="validate-all" timeout="20s" />
</actions>
</resource-agent>
END
}
v3notify_usage()
{
cat <<END
usage: $0 {start|stop|monitor|validate-all|meta-data}
Expects to have a fully populated OCF RA-compliant environment set.
END
}
v3notify_validate()
{
# check_binary will exit with OCF_ERR_INSTALLED when binary is missing
check_binary "$SM_NOTIFY_BINARY"
check_binary "pgrep"
check_binary "killall"
return $OCF_SUCCESS
}
killall_smnotify()
{
# killall sm-notify
killall -TERM $SM_NOTIFY_BINARY > /dev/null 2>&1
if [ $? -eq 0 ]; then
# it is useful to know if sm-notify processes were actually left around
# or not during the stop/start operation. Whether this condition is true
# or false does not indicate a failure. It does indicate that
# there are probably some unresponsive nfs clients out there that are keeping
# the sm-notify processes retrying.
ocf_log info "previous sm-notify processes terminated before $__OCF_ACTION action."
fi
}
v3notify_stop()
{
killall_smnotify
rm -f $HA_STATD_PIDFILE_PREV > /dev/null 2>&1
mv $HA_STATD_PIDFILE $HA_STATD_PIDFILE_PREV > /dev/null 2>&1
return $OCF_SUCCESS
}
check_statd_pidfile()
{
local binary="rpc.statd"
local pidfile="$HA_STATD_PIDFILE"
ocf_log debug "Checking status for ${binary}."
if [ -e "$pidfile" ]; then
cat /proc/$(cat $pidfile)/cmdline 2>/dev/null | grep -a "${binary}" > /dev/null 2>&1
if [ $? -eq 0 ]; then
return $OCF_SUCCESS
fi
ocf_exit_reason "$(cat $pidfile) for $binary is no longer running, sm-notify needs to re-notify clients"
return $OCF_ERR_GENERIC
fi
# if we don't have a pid file for rpc.statd, we have not yet sent the notifications
return $OCF_NOT_RUNNING
}
write_statd_pid()
{
local binary="rpc.statd"
local pidfile="$HA_STATD_PIDFILE"
local pid
pid=$(pgrep ${binary})
case $? in
0)
ocf_log info "PID file (pid:${pid} at $pidfile) created for ${binary}."
mkdir -p $(dirname $pidfile)
echo "$pid" > $pidfile
return $OCF_SUCCESS;;
1)
rm -f "$pidfile" > /dev/null 2>&1
ocf_log info "$binary is not running"
return $OCF_NOT_RUNNING;;
*)
rm -f "$pidfile" > /dev/null 2>&1
ocf_exit_reason "Error encountered detecting pid status of $binary"
return $OCF_ERR_GENERIC;;
esac
}
copy_statd()
{
local src=$1
local dest=$2
if ! [ -d "$dest" ]; then
mkdir -p "$dest"
fi
cp -rpfn $src/sm $src/sm.bak $src/state $dest > /dev/null 2>&1
# make sure folder ownership and selinux lables stay consistent
[ -n "`id -u rpcuser`" -a "`id -g rpcuser`" ] && chown rpcuser.rpcuser "$dest"
[ $SELINUX_ENABLED -eq 0 ] && chcon -R "$SELINUX_LABEL" "$dest"
}
v3notify_start()
{
local rc=$OCF_SUCCESS
local cur_statd
local statd_backup
local is_renotify=0
# monitor, see if we need to notify or not
v3notify_monitor
if [ $? -eq 0 ]; then
return $OCF_SUCCESS
fi
# kill off any other sm-notify processes that might already be running.
killall_smnotify
# record the pid of rpc.statd. if this pid ever changes, we have to re-notify
write_statd_pid
rc=$?
if [ $rc -ne 0 ]; then
return $rc
fi
# if the last time we ran nfs-notify, it was with the same statd process,
# consider this a re-notification. During re-notifications we do not let the
# sm-notify binary have access to the real statd directory.
if [ "$(cat $HA_STATD_PIDFILE)" = "$(cat $HA_STATD_PIDFILE_PREV 2>/dev/null)" ]; then
ocf_log info "Renotifying clients"
is_renotify=1
fi
statd_backup="$STATD_PATH/nfsnotify.bu"
copy_statd "$STATD_PATH" "$statd_backup"
if [ -z "$OCF_RESKEY_source_host" ]; then
if [ "$is_renotify" -eq 0 ]; then
cur_statd="$STATD_PATH"
else
cur_statd="$statd_backup"
fi
ocf_log info "sending notifications on default source address."
$SM_NOTIFY_BINARY -f $OCF_RESKEY_notify_args -P $cur_statd
if [ $? -ne 0 ]; then
ocf_exit_reason "sm-notify execution failed, view syslog for more information"
return $OCF_ERR_GENERIC
fi
return $OCF_SUCCESS
fi
# do sm-notify for each ip
for ip in `echo ${OCF_RESKEY_source_host} | sed 's/,/ /g'`; do
# have the first sm-notify use the actual statd directory so the
# notify list can be managed properly.
if [ "$is_renotify" -eq 0 ]; then
cur_statd="$STATD_PATH"
# everything after the first notify we are considering a renotification
# which means we don't use the real statd directory.
is_renotify=1
else
# use our copied statd directory for the remaining ip addresses
cur_statd="$STATD_PATH/nfsnotify_${OCF_RESOURCE_INSTANCE}_${ip}"
copy_statd "$statd_backup" "$cur_statd"
fi
ocf_log info "sending notifications with source address $ip"
$SM_NOTIFY_BINARY -f $OCF_RESKEY_notify_args -v $ip -P "$cur_statd"
if [ $? -ne 0 ]; then
ocf_exit_reason "sm-notify with source host set to [ $ip ] failed. view syslog for more information"
return $OCF_ERR_GENERIC
fi
done
return $OCF_SUCCESS
}
v3notify_monitor()
{
# verify rpc.statd is up, and that the rpc.statd pid is the same one we
# found during the start. otherwise rpc.statd recovered and we need to notify
# again.
check_statd_pidfile
}
case $__OCF_ACTION in
meta-data) meta_data
exit $OCF_SUCCESS;;
usage|help) v3notify_usage
exit $OCF_SUCCESS;;
*)
;;
esac
which restorecon > /dev/null 2>&1 && selinuxenabled
SELINUX_ENABLED=$?
if [ $SELINUX_ENABLED -eq 0 ]; then
export SELINUX_LABEL="$(ls -dZ $STATD_PATH | grep -o '\S\+:\S\+:\S\+')"
fi
case $__OCF_ACTION in
start) v3notify_start;;
stop) v3notify_stop;;
monitor) v3notify_monitor;;
validate-all) v3notify_validate;;
*) v3notify_usage
exit $OCF_ERR_UNIMPLEMENTED;;
esac
rc=$?
ocf_log debug "${OCF_RESOURCE_INSTANCE} $__OCF_ACTION : $rc"
exit $rc

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