diff options
Diffstat (limited to 'heartbeat/pingd')
| -rwxr-xr-x | heartbeat/pingd | 297 |
1 files changed, 297 insertions, 0 deletions
diff --git a/heartbeat/pingd b/heartbeat/pingd new file mode 100755 index 0000000..e2d5c31 --- /dev/null +++ b/heartbeat/pingd @@ -0,0 +1,297 @@ +#!/bin/sh +# +# +# pingd OCF Resource Agent +# Records (in the CIB) the current number of ping nodes a +# cluster node can connect to. +# +# Copyright (c) 2006 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: + +: ${OCF_FUNCTIONS_DIR=${OCF_ROOT}/lib/heartbeat} +. ${OCF_FUNCTIONS_DIR}/ocf-shellfuncs + +# Parameter defaults + +OCF_RESKEY_pidfile_default="$HA_RSCTMP/pingd-${OCF_RESOURCE_INSTANCE}" +OCF_RESKEY_user_default="root" +OCF_RESKEY_dampen_default="1s" +OCF_RESKEY_set_default="" +OCF_RESKEY_name_default="pingd" +OCF_RESKEY_section_default="" +OCF_RESKEY_multiplier_default="" +OCF_RESKEY_host_list_default="" +OCF_RESKEY_ignore_deprecation_default="false" + +: ${OCF_RESKEY_pidfile=${OCF_RESKEY_pidfile_default}} +: ${OCF_RESKEY_user=${OCF_RESKEY_user_default}} +: ${OCF_RESKEY_dampen=${OCF_RESKEY_dampen_default}} +: ${OCF_RESKEY_set=${OCF_RESKEY_set_default}} +: ${OCF_RESKEY_name=${OCF_RESKEY_name_default}} +: ${OCF_RESKEY_section=${OCF_RESKEY_section_default}} +: ${OCF_RESKEY_multiplier=${OCF_RESKEY_multiplier_default}} +: ${OCF_RESKEY_host_list=${OCF_RESKEY_host_list_default}} +: ${OCF_RESKEY_ignore_deprecation=${OCF_RESKEY_ignore_deprecation_default}} + +####################################################################### + +meta_data() { + cat <<END +<?xml version="1.0"?> +<!DOCTYPE resource-agent SYSTEM "ra-api-1.dtd"> +<resource-agent name="pingd" version="1.0"> +<version>1.0</version> + +<longdesc lang="en"> +Deprecation warning: This agent is deprecated and may be removed from +a future release. See the ocf:pacemaker:pingd resource agent for a +supported alternative. -- +This is a pingd Resource Agent. +It records (in the CIB) the current number of ping nodes a node can connect to. +</longdesc> +<shortdesc lang="en">Monitors connectivity to specific hosts or +IP addresses ("ping nodes") (deprecated)</shortdesc> + +<parameters> + +<parameter name="pidfile" unique="0"> +<longdesc lang="en">PID file</longdesc> +<shortdesc lang="en">PID file</shortdesc> +<content type="string" default="${OCF_RESKEY_pidfile_default}" /> +</parameter> + + +<parameter name="user" unique="0"> +<longdesc lang="en"> +The user we want to run pingd as +</longdesc> +<shortdesc lang="en">The user we want to run pingd as</shortdesc> +<content type="string" default="${OCF_RESKEY_user_default}" /> +</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="${OCF_RESKEY_dampen_default=}"/> +</parameter> + +<parameter name="set" unique="0"> +<longdesc lang="en"> +The name of the instance_attributes set to place the value in. Rarely needs to be specified. +</longdesc> +<shortdesc lang="en">Set name</shortdesc> +<content type="integer" default="${OCF_RESKEY_set_default}"/> +</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="integer" default="${OCF_RESKEY_name_default}"/> +</parameter> + +<parameter name="section" unique="0"> +<longdesc lang="en"> +The section place the value in. Rarely needs to be specified. +</longdesc> +<shortdesc lang="en">Section name</shortdesc> +<content type="integer" default="${OCF_RESKEY_section_default}"/> +</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="${OCF_RESKEY_multiplier_default}"/> +</parameter> + +<parameter name="host_list" unique="0"> +<longdesc lang="en"> +The list of ping nodes to count. Defaults to all configured ping nodes. Rarely needs to be specified. +</longdesc> +<shortdesc lang="en">Host list</shortdesc> +<content type="integer" default="${OCF_RESKEY_host_list_default}"/> +</parameter> + +<parameter name="ignore_deprecation"> +<longdesc lang="en"> +If set to true, suppresses the deprecation warning for this agent. +</longdesc> +<shortdesc lang="en">Suppress deprecation warning</shortdesc> +<content type="boolean" default="${OCF_RESKEY_ignore_deprecation_default}" /> +</parameter> + +</parameters> + +<actions> +<action name="start" timeout="20s" /> +<action name="stop" timeout="20s" /> +<action name="monitor" depth="0" timeout="20s" interval="10s" /> +<action name="meta-data" timeout="5s" /> +<action name="validate-all" timeout="20s" /> +</actions> +</resource-agent> +END +} + +####################################################################### + +pingd_usage() { + cat <<END +usage: $0 {start|stop|monitor|validate-all|meta-data} + +Expects to have a fully populated OCF RA-compliant environment set. +END +} + +pingd_start() { + extras="" + if [ ! -z "$OCF_RESKEY_multiplier" ]; then + extras="$extras -m $OCF_RESKEY_multiplier" + fi + if [ ! -z "$OCF_RESKEY_set" ]; then + extras="$extras -s $OCF_RESKEY_set" + fi + if [ ! -z "$OCF_RESKEY_section" ]; then + extras="$extras -S $OCF_RESKEY_section" + fi + for a_host in $OCF_RESKEY_host_list; do + extras="$extras -h $a_host" + done + pingd_cmd="${HA_BIN}/pingd -D -p $OCF_RESKEY_pidfile -a $OCF_RESKEY_name -d $OCF_RESKEY_dampen $extras" + + if [ ! -z $OCF_RESKEY_user ]; then + sudo -u $OCF_RESKEY_user $pingd_cmd + else + $pingd_cmd + fi + + rc=$? + if [ $rc = 0 ]; then + exit $OCF_SUCCESS + fi + + ocf_exit_reason "Could not run $pingd_cmd : rc=$rc" + exit $OCF_ERR_GENERIC +} + +pingd_stop() { + if [ -f $OCF_RESKEY_pidfile ]; then + pid=`cat $OCF_RESKEY_pidfile` + fi + if [ ! -z $pid ]; then + kill -s 9 $pid + rc=$? + + if [ $rc = 0 -o $rc = 1 ]; then + rm $OCF_RESKEY_pidfile + exit $OCF_SUCCESS + fi + + ocf_exit_reason "Unexpected result from kill -9 $pid: $rc" + exit $OCF_ERR_GENERIC + fi + exit $OCF_SUCCESS +} + +pingd_monitor() { + if [ -f $OCF_RESKEY_pidfile ]; then + pid=`cat $OCF_RESKEY_pidfile` + fi + if [ ! -z $pid ]; then + kill -s 0 $pid + if [ $? = 0 ]; then + exit $OCF_SUCCESS + fi + fi + exit $OCF_NOT_RUNNING +} + +pingd_validate() { +# Existence of the user + if [ ! -z $OCF_RESKEY_user ]; then + getent passwd "$OCF_RESKEY_user" >/dev/null + if [ $? -eq 0 ]; then + : Yes, user exists. We can further check his permission on crm_mon if necessary + else + ocf_exit_reason "The user $OCF_RESKEY_user does not exist!" + exit $OCF_ERR_ARGS + fi + fi + +# Pidfile better be an absolute path + case $OCF_RESKEY_pidfile in + /*) ;; + *) ocf_log warn "You should have pidfile($OCF_RESKEY_pidfile) of absolute path!" ;; + esac + +# Check the update interval + if ocf_is_decimal "$OCF_RESKEY_update" && [ $OCF_RESKEY_update -gt 0 ]; then + : + else + ocf_exit_reason "Invalid update interval $OCF_RESKEY_update. It should be positive integer!" + exit $OCF_ERR_ARGS + fi + + echo "Validate OK" + return $OCF_SUCCESS +} + +if [ $# -ne 1 ]; then + pingd_usage + exit $OCF_ERR_ARGS +fi + +if [ "$__OCF_ACTION" = "meta-data" ]; then + meta_data + exit $OCF_SUCCESS +fi + +# Be obnoxious, log deprecation warning on every invocation (unless +# suppressed by resource configuration). +ocf_deprecated + +case $__OCF_ACTION in +start) pingd_start + ;; +stop) pingd_stop + ;; +monitor) pingd_monitor + ;; +validate-all) pingd_validate + ;; +usage|help) pingd_usage + exit $OCF_SUCCESS + ;; +*) pingd_usage + exit $OCF_ERR_UNIMPLEMENTED + ;; +esac + +exit $? |