diff --git a/extra/resources/HealthCPU b/extra/resources/HealthCPU index 9f84c154b4..6a5b4f025e 100755 --- a/extra/resources/HealthCPU +++ b/extra/resources/HealthCPU @@ -1,187 +1,194 @@ #!/bin/sh # # ocf:pacemaker:HealthCPU resource agent # # Copyright 2004-2022 the Pacemaker project contributors # # The version control history for this file may have further details. # # This source code is licensed under the GNU General Public License version 2 # (GPLv2) WITHOUT ANY WARRANTY. # # # Measures CPUs idling and writes #health-cpu status into the CIB # ################################ # # TODO: Enter default values # Error handling in getting uptime # ################################## ####################################################################### # Initialization: : ${OCF_FUNCTIONS:="${OCF_ROOT}/resource.d/heartbeat/.ocf-shellfuncs"} . "${OCF_FUNCTIONS}" : ${__OCF_ACTION:="$1"} ####################################################################### meta_data() { cat <<END <?xml version="1.0"?> <resource-agent name="HealthCPU" version="1.0"> <version>1.1</version> <longdesc lang="en"> System health agent that measures the CPU idling and updates the #health-cpu attribute. </longdesc> <shortdesc lang="en">System health CPU usage</shortdesc> <parameters> <parameter name="state" unique-group="state"> <longdesc lang="en"> Location to store the resource state in. </longdesc> <shortdesc lang="en">State file</shortdesc> <content type="string" default="${HA_VARRUN%%/}/health-cpu-${OCF_RESOURCE_INSTANCE}.state" /> </parameter> <parameter name="yellow_limit" reloadable="1"> <longdesc lang="en"> Lower (!) limit of idle percentage to switch the health attribute to yellow. I.e. the #health-cpu will go yellow if the %idle of the CPU falls below 50%. </longdesc> <shortdesc lang="en">Lower limit for yellow health attribute</shortdesc> <content type="string" default="50"/> </parameter> <parameter name="red_limit" reloadable="1"> <longdesc lang="en"> Lower (!) limit of idle percentage to switch the health attribute to red. I.e. the #health-cpu will go red if the %idle of the CPU falls below 10%. </longdesc> <shortdesc lang="en">Lower limit for red health attribute</shortdesc> <content type="string" default="10"/> </parameter> </parameters> <actions> <action name="start" timeout="10s" /> <action name="stop" timeout="10s" /> <action name="monitor" timeout="10s" interval="10s" start-delay="0s" /> +<action name="reload-agent" timeout="20s" /> <action name="meta-data" timeout="5s" /> <action name="validate-all" timeout="10s" /> </actions> </resource-agent> END } ####################################################################### healthcpu_usage() { cat <<END usage: $0 {start|stop|monitor|validate-all|meta-data} Expects to have a fully populated OCF RA-compliant environment set. END } healthcpu_start() { healthcpu_monitor if [ $? -eq $OCF_SUCCESS ]; then return $OCF_SUCCESS fi touch "${OCF_RESKEY_state}" } healthcpu_stop() { healthcpu_monitor if [ $? -eq $OCF_SUCCESS ]; then rm "${OCF_RESKEY_state}" fi return $OCF_SUCCESS } healthcpu_monitor() { if [ -f "${OCF_RESKEY_state}" ]; then IDLE=$(top -b -n2 | grep Cpu | tail -1 | awk -F",|.[0-9][ %]id" '{ print $4 }') # echo "System idle: " $IDLE # echo "$OCF_RESKEY_red_limit" # echo $OCF_RESKEY_yellow_limit if [ $IDLE -lt ${OCF_RESKEY_red_limit} ] ; then # echo "System state RED!" attrd_updater -n "#health-cpu" -U "red" -d "30s" return $OCF_SUCCESS fi if [ $IDLE -lt ${OCF_RESKEY_yellow_limit} ] ; then # echo "System state yellow." attrd_updater -n "#health-cpu" -U "yellow" -d "30s" else # echo "System state green." attrd_updater -n "#health-cpu" -U "green" -d "30s" fi return $OCF_SUCCESS fi return $OCF_NOT_RUNNING } +healthcpu_reload_agent() { + # No action required + :; +} + healthcpu_validate() { # Is the state directory writable? state_dir=$(dirname "$OCF_RESKEY_state") [ -d "$state_dir" ] && [ -w "$state_dir" ] && [ -x "$state_dir" ] if [ $? -ne 0 ]; then return $OCF_ERR_ARGS fi return $OCF_SUCCESS } : ${OCF_RESKEY_CRM_meta_interval:=0} : ${OCF_RESKEY_CRM_meta_globally_unique:="false"} if [ -z "$OCF_RESKEY_state" ]; then state="${HA_VARRUN%%/}/HealthCPU-${OCF_RESOURCE_INSTANCE}.state" if [ "${OCF_RESKEY_CRM_meta_globally_unique}" = "false" ]; then # Strip off the trailing clone marker OCF_RESKEY_state=$(echo $state | sed s/:[0-9][0-9]*\.state/.state/) else OCF_RESKEY_state="$state" fi fi if [ -z "${OCF_RESKEY_red_limit}" ] ; then OCF_RESKEY_red_limit=10 fi if [ -z "${OCF_RESKEY_yellow_limit}" ] ; then OCF_RESKEY_yellow_limit=50 fi case "$__OCF_ACTION" in meta-data) meta_data exit $OCF_SUCCESS ;; start) healthcpu_start;; stop) healthcpu_stop;; monitor) healthcpu_monitor;; +reload-agent) healthcpu_reload_agent;; validate-all) healthcpu_validate;; usage|help) healthcpu_usage exit $OCF_SUCCESS ;; *) healthcpu_usage exit $OCF_ERR_UNIMPLEMENTED ;; esac rc=$? ocf_log debug "${OCF_RESOURCE_INSTANCE} $__OCF_ACTION : $rc" exit $rc # vim: set filetype=sh expandtab tabstop=4 softtabstop=4 shiftwidth=4 textwidth=80: