502 lines
13 KiB
Bash
502 lines
13 KiB
Bash
#!/bin/sh
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#
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# Copyright (c) 2013-2017 Wind River Systems, Inc.
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#
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# SPDX-License-Identifier: Apache-2.0
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#
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#
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# Support: www.windriver.com
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#
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# Purpose: This resource agent manages
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#
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# .... the CGCS Platform Hardware Monitor Daemon
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#
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# RA Spec:
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#
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# http://www.opencf.org/cgi-bin/viewcvs.cgi/specs/ra/resource-agent-api.txt?rev=HEAD
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#
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#######################################################################
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# Initialization:
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: ${OCF_FUNCTIONS_DIR=${OCF_ROOT}/lib/heartbeat}
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. ${OCF_FUNCTIONS_DIR}/ocf-shellfuncs
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#######################################################################
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# Fill in some defaults if no values are specified
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OCF_RESKEY_binary_default="hwmond"
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OCF_RESKEY_config_default="/etc/mtc/hwmond.conf"
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OCF_RESKEY_dbg_default="false"
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OCF_RESKEY_logging_default="true"
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OCF_RESKEY_mode_default="normal"
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OCF_RESKEY_user_default="admin"
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OCF_RESKEY_pid_default="/var/run/hwmond.pid"
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OCF_RESKEY_state_default="standby"
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: ${OCF_RESKEY_binary=${OCF_RESKEY_binary_default}}
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: ${OCF_RESKEY_config=${OCF_RESKEY_config_default}}
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: ${OCF_RESKEY_logging=${OCF_RESKEY_logging_default}}
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: ${OCF_RESKEY_dbg=${OCF_RESKEY_dbg_default}}
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: ${OCF_RESKEY_mode=${OCF_RESKEY_mode_default}}
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: ${OCF_RESKEY_user=${OCF_RESKEY_user_default}}
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: ${OCF_RESKEY_pid=${OCF_RESKEY_pid_default}}
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: ${OCF_RESKEY_state=${OCF_RESKEY_state_default}}
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mydaemon="/usr/local/bin/${OCF_RESKEY_binary}"
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statusfile="/var/run/${OCF_RESKEY_binary}.info"
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#######################################################################
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usage() {
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cat <<UEND
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usage: $0 (start|stop|reload|status|monitor|validate-all|meta-data)
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$0 manages the Platform's Controller Hardware Monitor (hwmond) process as an HA resource
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The 'start' ..... operation starts the hardware monitor service in the active state.
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The 'stop' ...... operation stops the hardware monitor service.
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The 'reload' .... operation stops and then starts the hardware monitor service.
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The 'status' .... operation checks the status of the hardware monitor service.
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The 'monitor' ... operation indicates the in-service status of the hardware monitor service.
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The 'validate-all' operation reports whether the parameters are valid.
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The 'meta-data' . operation reports the hwmond's meta-data information.
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UEND
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}
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#######################################################################
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meta_data() {
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if [ ${OCF_RESKEY_dbg} = "true" ] ; then
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ocf_log info "hwmond:meta_data"
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fi
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cat <<END
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<?xml version="1.0"?>
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<!DOCTYPE resource-agent SYSTEM "ra-api-1.dtd">
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<resource-agent name="hwmond">
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<version>1.0</version>
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<longdesc lang="en">
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This 'hwmond' is an OCF Compliant Resource Agent that manages start, stop
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and in-service monitoring of the Hardware Monitor service on Wind River's
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Titanium Cloud in an active mode.
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</longdesc>
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<shortdesc lang="en">
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Manages the Titanium Cloud's Hardware Monitor (hwmond) Daemon.
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</shortdesc>
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<parameters>
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<parameter name="state" unique="0" required="0">
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<longdesc lang="en">
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state = standby ... run daemon in 'standby' mode (default)
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state = active ... run daemon in 'active' mode
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</longdesc>
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<shortdesc lang="en">Hardware Monitor Daemon Activity State Option</shortdesc>
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<content type="string" default="${OCF_RESKEY_state_default}"/>
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</parameter>
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<parameter name="mode" unique="0" required="0">
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<longdesc lang="en">
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mode = normal ... run hardware monitor daemon in 'normal' mode (default)
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mode = passive ... run hardware monitor daemon in 'passive' mode
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</longdesc>
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<shortdesc lang="en">Maintenance Mode Option</shortdesc>
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<content type="string" default="${OCF_RESKEY_mode_default}"/>
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</parameter>
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<parameter name="logging" unique="0" required="0">
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<longdesc lang="en">
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This option is used to direct the hwmon dameon log stream.
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logging = true ... /var/log/hwmond.log (default)
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logging = false ... /dev/null
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See also debug option which sets the verbosity of logging.
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</longdesc>
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<shortdesc lang="en">Service Logging Control Option</shortdesc>
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<content type="boolean" default="${OCF_RESKEY_logging_default}"/>
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</parameter>
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<parameter name="dbg" unique="0" required="0">
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<longdesc lang="en">
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dbg = false ... info, warn and err logs sent to output stream (default)
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dbg = true ... Additional dbg logs are also sent to the output stream
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</longdesc>
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<shortdesc lang="en">Service Debug Control Option</shortdesc>
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<content type="boolean" default="${OCF_RESKEY_dbg_default}"/>
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</parameter>
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</parameters>
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<actions>
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<action name="start" timeout="10s" />
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<action name="stop" timeout="10s" />
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<action name="monitor" timeout="10s" interval="300s" />
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<action name="meta-data" timeout="10s" />
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<action name="validate-all" timeout="10s" />
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</actions>
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</resource-agent>
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END
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return ${OCF_SUCCESS}
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}
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hwmond_validate() {
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if [ ${OCF_RESKEY_dbg} = "true" ] ; then
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ocf_log info "hwmond:validate"
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fi
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check_binary "/usr/local/bin/${OCF_RESKEY_binary}"
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check_binary "/usr/local/bin/mtcAgent"
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check_binary "/usr/local/bin/mtcClient"
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check_binary sysinv-api
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check_binary pidof
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if [ ! -f ${OCF_RESKEY_config} ] ; then
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msg="${OCF_RESKEY_binary} conf file missing ${OCF_RESKEY_config}"
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ocf_log err "${msg}"
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return ${OCF_ERR_CONFIGURED}
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fi
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return ${OCF_SUCCESS}
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}
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hwmond_status () {
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proc="hwmond:status"
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if [ ${OCF_RESKEY_dbg} = "true" ] ; then
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ocf_log info "hwmond:status"
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fi
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# remove the status file before we request a new
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rm -f ${statusfile}
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# Verify the pid file exists as part of status
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for ((loop=0;loop<3;loop++)) {
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if [ -f ${OCF_RESKEY_pid} ] ; then
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break
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else
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sleep 1
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fi
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}
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# See if the daemon is running
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pid=`cat ${OCF_RESKEY_pid}`
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kill -0 $pid 2> /dev/null
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if [ $? -eq 0 ] ; then
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log_sig="${OCF_RESKEY_binary} In-Service Active Monitor Test"
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# Ask the daemon to produce status
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ocf_run kill -s USR1 $pid
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# Wait for the response
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for ((loop=0;loop<10;loop++)) {
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sleep 1
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if [ -f ${statusfile} ] ; then
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ocf_log info "${log_sig} Passed ($loop)"
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return ${OCF_SUCCESS}
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elif [ $loop -eq 5 ] ; then
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# send the signal again
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ocf_run kill -s USR1 $pid
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pid_stat=`cat /proc/${pid}/stat`
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ocf_log notice "${log_sig} is slow to respond"
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ocf_log notice "$pid_stat"
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elif [ $loop -eq 8 ] ; then
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pid_stat=`cat /proc/${pid}/stat`
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ocf_log warn "${log_sig} is very slow to respond"
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ocf_log warn "$pid_stat"
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fi
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}
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log_procfs
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ocf_log err "${log_sig} Failed"
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return ${OCF_ERR_GENERIC}
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fi
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return ${OCF_NOT_RUNNING}
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}
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hwmond_monitor () {
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proc="hwmond:monitor"
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if [ ${OCF_RESKEY_dbg} = "true" ] ; then
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ocf_log info "${proc}"
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fi
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# Uncomment if you want the monitor function to force-pass
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# return ${OCF_SUCCESS}
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pid=`cat ${OCF_RESKEY_pid}`
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kill -0 $pid 2> /dev/null
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if [ $? -ne 0 ] ; then
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if [ ${OCF_RESKEY_dbg} = "true" ] ; then
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ocf_log info "${proc} called while ${OCF_RESKEY_binary} not running."
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fi
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return ${OCF_NOT_RUNNING}
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fi
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hwmond_status
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return $?
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}
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hwmond_start () {
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local rc
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start_proc="hwmond:start"
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if [ ${OCF_RESKEY_dbg} = "true" ] ; then
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ocf_log info "${start_proc}"
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fi
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# Uncomment if you want the start function to force-pass without starting
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# return ${OCF_SUCCESS}
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# If running then issue a ping test
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pid=`cat ${OCF_RESKEY_pid}`
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kill -0 $pid 2> /dev/null
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if [ $? -eq 0 ] ; then
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hwmond_status
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rc=$?
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if [ $rc -ne ${OCF_SUCCESS} ] ; then
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msg="${start_proc} ping test failed rc=${rc}"
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ocf_log err "${msg}"
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hwmond_stop
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else
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# Spec says to return success if process is already running for start
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pid=`cat ${OCF_RESKEY_pid}`
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kill -0 $pid 2> /dev/null
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if [ $? -eq 0 ] ; then
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ocf_log info "${start_proc} called while ${OCF_RESKEY_binary} is already running"
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return ${OCF_SUCCESS}
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fi
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fi
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fi
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# should not be running now or error
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pid=`cat ${OCF_RESKEY_pid}`
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kill -0 $pid 2> /dev/null
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if [ $? -eq 0 ] ; then
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msg="${start_proc} cannot kill off existing instance of ${OCF_RESKEY_binary}"
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ocf_log err "${msg}"
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return ${OCF_RUNNING_MASTER}
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fi
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rm -f ${statusfile}
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if [ ${OCF_RESKEY_state} = "active" ] ; then
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RUN_OPT_STATE="-a"
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else
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RUN_OPT_STATE=""
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fi
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if [ ${OCF_RESKEY_dbg} = "true" ] ; then
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RUN_OPT_DEBUG="-d debug"
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else
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RUN_OPT_DEBUG=""
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fi
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if [ ${OCF_RESKEY_mode} = "passive" ] ; then
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RUN_OPT_MODE="-p"
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else
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RUN_OPT_MODE=""
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fi
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if [ ${OCF_RESKEY_logging} = "true" ] ; then
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RUN_OPT_LOG="-l"
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else
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RUN_OPT_LOG=""
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fi
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# default PID to null
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pid=""
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# Try to Start the daemon
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${mydaemon} ${RUN_OPT_STATE} ${RUN_OPT_LOG} ${RUN_OPT_MODE} ${RUN_OPT_DEBUG}
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rc=$?
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# verify it was started and set return code appropriately
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if [ $rc -eq ${OCF_SUCCESS} ] ; then
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# Verify the pid file exists as part of status
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for ((loop=0;loop<3;loop++)) {
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if [ -f ${OCF_RESKEY_pid} ] ; then
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break
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else
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ocf_log info "${start_proc} waiting ... loop=${loop}"
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sleep 1
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fi
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}
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pid=`cat ${OCF_RESKEY_pid}`
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# ocf_log info "PID:$pid"
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kill -0 $pid 2> /dev/null
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if [ $? -ne 0 ] ; then
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rc=${OCF_FAILED_MASTER}
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else
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if [ ! -f ${statusfile} ] ; then
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ocf_log info "hwmond: Startup Health Test Failed - missing info"
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rc = ${OCF_ERR_GENERIC}
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fi
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fi
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else
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ocf_log info "${start_proc} failed ${mydaemon} daemon rc=${rc}"
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rc = ${OCF_ERR_GENERIC}
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fi
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# Record success or failure and return status
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if [ ${rc} -eq $OCF_SUCCESS ] ; then
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msg="${start_proc}ed pid=${pid}"
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ocf_log info "${msg}"
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else
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msg="${start_proc} failed rc=${rc}"
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ocf_log err "${msg}"
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rc=${OCF_NOT_RUNNING}
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fi
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return $rc
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}
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hwmond_confirm_stop () {
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proc="hwmond:confirm_stop"
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ocf_log info "${proc}"
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pid=`pidof ${OCF_RESKEY_binary}`
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kill -0 ${pid} 2> /dev/null
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if [ $? -eq 0 ] ; then
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ocf_log info "${proc} 'kill -9 ${pid}'"
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kill -9 ${pid}
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ocf_log info "${proc}ed (by emergency kill -9 ${pid})"
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sleep 1
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fi
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rm -f ${OCF_RESKEY_pid}
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}
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hwmond_stop () {
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proc="hwmond:stop"
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# See if the process is running by pidfile
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pid=`pidof ${OCF_RESKEY_binary}`
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ocf_log info "${proc} PID:${pid}"
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kill -0 ${pid} 2> /dev/null
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if [ $? -ne 0 ] ; then
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ocf_log info "${proc} called while already stopped (no process)"
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hwmond_confirm_stop
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return ${OCF_SUCCESS}
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fi
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MAX=3
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for ((loop=0;loop<$MAX;loop++)) {
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# verify stop with pidfile
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if [ -f ${OCF_RESKEY_pid} ] ; then
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pid=`cat ${OCF_RESKEY_pid}`
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# if pid file is gone we are done
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if [ ${pid} = "" ] ; then
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ocf_log info "${proc}ped (by -int)"
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break
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# if pidfile is empty then kill by -int
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else
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kill -0 ${pid} 2> /dev/null
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if [ $? -ne 0 ] ; then
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ocf_log info "${proc}ped (by pid)"
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break
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else
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ocf_log info "${proc}ping (by -int - loop:${loop})"
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kill -int ${pid}
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sleep 1
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fi
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fi
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fi
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}
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hwmond_confirm_stop
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return ${OCF_SUCCESS}
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}
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hwmond_reload () {
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local rc
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proc="hwmond:reload"
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if [ ${OCF_RESKEY_dbg} = "true" ] ; then
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ocf_log info "${proc}"
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fi
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hwmond_stop
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rc=$?
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if [ $rc -eq ${OCF_SUCCESS} ] ; then
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#sleep 1
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hwmond_start
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rc=$?
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if [ $rc -eq ${OCF_SUCCESS} ] ; then
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msg="${proc}ed"
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ocf_log info "${mgs}"
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fi
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fi
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if [ ${rc} -ne ${OCF_SUCCESS} ] ; then
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msg="${OCF_RESKEY_binary}: failed to restart rc=${rc}"
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ocf_log info "${mgs}"
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fi
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return ${rc}
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}
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case ${__OCF_ACTION} in
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meta-data) meta_data
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exit ${OCF_SUCCESS}
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;;
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usage|help) usage
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exit ${OCF_SUCCESS}
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;;
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esac
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if [ ${__OCF_ACTION} = "monitor" ] ; then
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ocf_log debug "hwmond:${__OCF_ACTION} action"
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else
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ocf_log info "hwmond:${__OCF_ACTION} action"
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fi
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# Anything except meta-data and help must pass validation
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hwmond_validate || exit $?
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case ${__OCF_ACTION} in
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start) hwmond_start
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;;
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stop) hwmond_stop
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;;
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status) hwmond_status
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;;
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reload) hwmond_reload
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;;
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monitor) hwmond_monitor
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;;
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validate-all) hwmond_validate
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;;
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*) usage
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exit ${OCF_ERR_UNIMPLEMENTED}
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;;
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esac
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