diff --git a/extra/resources/ping b/extra/resources/ping index e7b9973681..ca9db7557f 100755 --- a/extra/resources/ping +++ b/extra/resources/ping @@ -1,386 +1,385 @@ #!/bin/sh # # # Ping OCF RA that utilizes the system ping # # Copyright (c) 2009 Andrew Beekhof # 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: : ${OCF_FUNCTIONS=${OCF_ROOT}/resource.d/heartbeat/.ocf-shellfuncs} . ${OCF_FUNCTIONS} : ${__OCF_ACTION=$1} ####################################################################### meta_data() { cat <<END <?xml version="1.0"?> <!DOCTYPE resource-agent SYSTEM "ra-api-1.dtd"> <resource-agent name="ping"> <version>1.0</version> <longdesc lang="en"> -Every time the monitor action is run, this resource agent records (in the CIB) the current number of ping nodes the host can connect to. -It is essentially the same as pingd except that it uses the system ping tool to obtain the results. +Every time the monitor action is run, this resource agent records (in the CIB) the current number of nodes the host can connect to using the system fping (preferred) or ping tool. </longdesc> <shortdesc lang="en">node connectivity</shortdesc> <parameters> <parameter name="pidfile" unique="0"> <longdesc lang="en">PID file</longdesc> <shortdesc lang="en">PID file</shortdesc> <content type="string" default="$HA_VARRUN/ping-${OCF_RESOURCE_INSTANCE}" /> </parameter> <parameter name="dampen" unique="0"> <longdesc lang="en"> The time to wait (dampening) further changes occur </longdesc> <shortdesc lang="en">Dampening interval</shortdesc> <content type="integer" default="5s"/> </parameter> <parameter name="name" unique="0"> <longdesc lang="en"> The name of the attributes to set. This is the name to be used in the constraints. </longdesc> <shortdesc lang="en">Attribute name</shortdesc> <content type="string" default="pingd"/> </parameter> <parameter name="multiplier" unique="0"> <longdesc lang="en"> The number by which to multiply the number of connected ping nodes by </longdesc> <shortdesc lang="en">Value multiplier</shortdesc> <content type="integer" default="1"/> </parameter> <parameter name="host_list" unique="0" required="1"> <longdesc lang="en"> The list of ping nodes to count. </longdesc> <shortdesc lang="en">Host list</shortdesc> <content type="string" default=""/> </parameter> <parameter name="attempts" unique="0"> <longdesc lang="en"> Number of ping attempts, per host, before declaring it dead </longdesc> <shortdesc lang="en">no. of ping attempts</shortdesc> <content type="integer" default="3"/> </parameter> <parameter name="timeout" unique="0"> <longdesc lang="en"> How long, in seconds, to wait before declaring a ping lost </longdesc> <shortdesc lang="en">ping timeout in seconds</shortdesc> <content type="integer" default="2"/> </parameter> <parameter name="options" unique="0"> <longdesc lang="en"> A catch all for any other options that need to be passed to ping. </longdesc> <shortdesc lang="en">Extra Options</shortdesc> <content type="string" default=""/> </parameter> <parameter name="failure_score" unique="0"> <longdesc lang="en"> Resource is failed if the score is less than failure_score. Default never fails. </longdesc> <shortdesc lang="en">failure_score</shortdesc> <content type="integer" default=""/> </parameter> <parameter name="use_fping" unique="0"> <longdesc lang="en"> Use fping rather than ping, if found. If set to 0, fping will not be used even if present. </longdesc> <shortdesc lang="en">Use fping if available</shortdesc> <content type="boolean" default="1"/> </parameter> <parameter name="debug" unique="0"> <longdesc lang="en"> Enables to use default attrd_updater verbose logging on every call. </longdesc> <shortdesc lang="en">Verbose logging</shortdesc> <content type="string" default="false"/> </parameter> </parameters> <actions> <action name="start" timeout="60" /> <action name="stop" timeout="20" /> <action name="reload" timeout="100" /> <action name="monitor" depth="0" timeout="60" interval="10"/> <action name="meta-data" timeout="5" /> <action name="validate-all" timeout="30" /> </actions> </resource-agent> END } ####################################################################### ping_conditional_log() { level=$1; shift if [ ${OCF_RESKEY_debug} = "true" ]; then ocf_log $level "$*" fi } ping_usage() { cat <<END usage: $0 {start|stop|monitor|validate-all|meta-data} Expects to have a fully populated OCF RA-compliant environment set. END } ping_start() { ping_monitor if [ $? = $OCF_SUCCESS ]; then return $OCF_SUCCESS fi touch ${OCF_RESKEY_pidfile} ping_update } ping_stop() { rm -f ${OCF_RESKEY_pidfile} attrd_updater -D -n $OCF_RESKEY_name -d $OCF_RESKEY_dampen $attrd_options return $OCF_SUCCESS } ping_monitor() { if [ -f ${OCF_RESKEY_pidfile} ]; then ping_update if [ $? -eq 0 ]; then return $OCF_SUCCESS fi return $OCF_ERR_GENERIC fi return $OCF_NOT_RUNNING } ping_validate() { # Is the state directory writable? state_dir=`dirname "$OCF_RESKEY_pidfile"` touch "$state_dir/$$" if [ $? != 0 ]; then ocf_log err "Invalid location for 'state': $state_dir is not writable" return $OCF_ERR_ARGS fi rm "$state_dir/$$" # Pidfile better be an absolute path case $OCF_RESKEY_pidfile in /*) ;; *) ocf_log warn "You should use an absolute path for pidfile not: $OCF_RESKEY_pidfile" ;; esac # Check the host list if [ "x" = "x$OCF_RESKEY_host_list" ]; then ocf_log err "Empty host_list. Please specify some nodes to ping" exit $OCF_ERR_CONFIGURED fi check_binary ping return $OCF_SUCCESS } fping_check() { active=0 f_out=`mktemp` f_err=`mktemp` n=$OCF_RESKEY_attempts timeout=`expr $OCF_RESKEY_timeout \* 1000 / $OCF_RESKEY_attempts` cmd="fping -r $OCF_RESKEY_attempts -t $timeout -B 1.0 $OCF_RESKEY_options $OCF_RESKEY_host_list" $cmd>$f_out 2>$f_err; rc=$? active=`grep alive $f_out|wc -l` case $rc in 0) ;; 1) for h in `grep unreachable $f_out | awk '{print $1}'`; do ping_conditional_log warn "$h is inactive" done ;; *) ocf_log err "Unexpected result for '$cmd' $rc: `tr '\n' ';' < $f_err`" ;; esac rm -f $f_out $f_err return $active } ping_check() { active=0 for host in $OCF_RESKEY_host_list; do p_exe=ping case `uname` in Linux) p_args="-n -q -W $OCF_RESKEY_timeout -c $OCF_RESKEY_attempts";; Darwin) p_args="-n -q -t $OCF_RESKEY_timeout -c $OCF_RESKEY_attempts -o";; *) ocf_log err "Unknown host type: `uname`"; exit $OCF_ERR_INSTALLED;; esac case $host in *:*) p_exe=ping6 esac p_out=`$p_exe $p_args $OCF_RESKEY_options $host 2>&1`; rc=$? case $rc in 0) active=`expr $active + 1`;; 1) ping_conditional_log warn "$host is inactive: $p_out";; *) ocf_log err "Unexpected result for '$p_exe $p_args $OCF_RESKEY_options $host' $rc: $p_out";; esac done return $active } ping_update() { if ocf_is_true "$OCF_RESKEY_use_fping" && have_binary fping; then fping_check active=$? else ping_check active=$? fi score=`expr $active \* $OCF_RESKEY_multiplier` attrd_updater -n $OCF_RESKEY_name -v $score -d $OCF_RESKEY_dampen $attrd_options rc=$? case $rc in 0) ping_conditional_log debug "Updated $OCF_RESKEY_name = $score" ;; *) ocf_log warn "Could not update $OCF_RESKEY_name = $score: rc=$rc";; esac if [ $rc -ne 0 ]; then return $rc fi if [ -n "$OCF_RESKEY_failure_score" -a "$score" -lt "$OCF_RESKEY_failure_score" ]; then ocf_log warn "$OCF_RESKEY_name is less than failure_score($OCF_RESKEY_failure_score)" return 1 fi return 0 } : ${OCF_RESKEY_name:="pingd"} : ${OCF_RESKEY_dampen:="5s"} : ${OCF_RESKEY_attempts:="3"} : ${OCF_RESKEY_multiplier:="1"} : ${OCF_RESKEY_debug:="false"} : ${OCF_RESKEY_failure_score:="0"} : ${OCF_RESKEY_use_fping:="1"} : ${OCF_RESKEY_CRM_meta_timeout:="20000"} : ${OCF_RESKEY_CRM_meta_globally_unique:="true"} integer=`echo ${OCF_RESKEY_timeout} | egrep -o '[0-9]*'` case ${OCF_RESKEY_timeout} in *[0-9]ms|*[0-9]msec) OCF_RESKEY_timeout=`expr $integer / 1000`;; *[0-9]m|*[0-9]min) OCF_RESKEY_timeout=`expr $integer \* 60`;; *[0-9]h|*[0-9]hr) OCF_RESKEY_timeout=`expr $integer \* 60 \* 60`;; *) OCF_RESKEY_timeout=$integer;; esac if [ -z ${OCF_RESKEY_timeout} ]; then if [ x"$OCF_RESKEY_host_list" != x ]; then host_count=`echo $OCF_RESKEY_host_list | awk '{print NF}'` OCF_RESKEY_timeout=`expr $OCF_RESKEY_CRM_meta_timeout / $host_count / $OCF_RESKEY_attempts` OCF_RESKEY_timeout=`expr $OCF_RESKEY_timeout / 1100` # Convert to seconds and finish 10% early else OCF_RESKEY_timeout=5 fi fi if [ ${OCF_RESKEY_timeout} -lt 1 ]; then OCF_RESKEY_timeout=5 elif [ ${OCF_RESKEY_timeout} -gt 1000 ]; then # ping actually complains if this value is too high, 5 minutes is plenty OCF_RESKEY_timeout=300 fi if [ ${OCF_RESKEY_CRM_meta_globally_unique} = "false" ]; then : ${OCF_RESKEY_pidfile:="$HA_VARRUN/ping-${OCF_RESKEY_name}"} else : ${OCF_RESKEY_pidfile:="$HA_VARRUN/ping-${OCF_RESOURCE_INSTANCE}"} fi attrd_options='-q' if ocf_is_true ${OCF_RESKEY_debug} ; then attrd_options='' fi # Check the debug option case "${OCF_RESKEY_debug}" in true|True|TRUE|1) OCF_RESKEY_debug=true;; false|False|FALSE|0) OCF_RESKEY_debug=false;; *) ocf_log warn "Value for 'debug' is incorrect. Please specify 'true' or 'false' not: ${OCF_RESKEY_debug}" OCF_RESKEY_debug=false ;; esac case $__OCF_ACTION in meta-data) meta_data exit $OCF_SUCCESS ;; start) ping_start;; stop) ping_stop;; monitor) ping_monitor;; reload) ping_start;; validate-all) ping_validate;; usage|help) ping_usage exit $OCF_SUCCESS ;; *) ping_usage exit $OCF_ERR_UNIMPLEMENTED ;; esac exit $?