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pacemaker
pacemaker-NodeUtilization-RA.patch
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File pacemaker-NodeUtilization-RA.patch of Package pacemaker
commit 41ae609accd114bc5d4a05a74a80d3213d217373 Author: Dejan Muhamedagic <dejan@suse.de> Date: Fri Nov 25 13:11:15 2011 +0100 Medium: RA: add NodeUtilization RA Index: pacemaker/extra/resources/Makefile.am =================================================================== --- pacemaker.orig/extra/resources/Makefile.am +++ pacemaker/extra/resources/Makefile.am @@ -37,7 +37,8 @@ ocf_SCRIPTS = ClusterMon \ Stateful \ SysInfo \ SystemHealth \ - remote + remote \ + NodeUtilization isolationtech_SCRIPTS = docker-wrapper Index: pacemaker/extra/resources/NodeUtilization =================================================================== --- /dev/null +++ pacemaker/extra/resources/NodeUtilization @@ -0,0 +1,230 @@ +#!/bin/sh +# +# +# NodeUtilization OCF Resource Agent +# +# Copyright (c) 2011 SUSE LINUX, John Shi +# 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="NodeUtilization"> +<version>1.0</version> + +<longdesc lang="en"> +This is an NodeUtilization Resource Agent. +This agent detects system parameters and put them into CIB by crm_attribute, +and it runs on every node as clone resource. +</longdesc> +<shortdesc lang="en">NodeUtilization resource agent</shortdesc> + +<parameters> +<parameter name="dynamic" unique="0" required="0"> +<longdesc lang="en"> +If set, some of the HA parameters will be reset if there are +difference between HA parameters and system parameters when HA monitor. +Otherwise, the HA parameters will be set once when the resource instance starts. +</longdesc> +<shortdesc lang="en">Set HA parameters when start or monitor</shortdesc> +<content type="boolean" default="true" /> +</parameter> + +<parameter name="utilization_cpu" unique="0" required="0"> +<longdesc lang="en">Enable setting cpu utilization.</longdesc> +<shortdesc lang="en">Enable setting cpu utilization.</shortdesc> +<content type="boolean" default="true" /> +</parameter> + +<parameter name="utilization_cpu_reservation" unique="0" required="0"> +<longdesc lang="en">CPU reserved for non-HA related usage.</longdesc> +<shortdesc lang="en">CPU reserved for non-HA related usage.</shortdesc> +<content type="integer" default="1" /> +</parameter> + +<parameter name="utilization_host_memory" unique="0" required="0"> +<longdesc lang="en">Enable setting memory utilization of host.</longdesc> +<shortdesc lang="en">Enable setting memory utilization of host.</shortdesc> +<content type="boolean" default="true" /> +</parameter> + +<parameter name="utilization_host_memory_reservation" unique="0" required="0"> +<longdesc lang="en">Memory reserved for other services inside host, in MB.</longdesc> +<shortdesc lang="en">Memory reserved for other services inside host, in MB.</shortdesc> +<content type="integer" default="512" /> +</parameter> + +<parameter name="utilization_hv_memory" unique="0" required="0"> +<longdesc lang="en">Enable setting the memory utilization of hypervisor.</longdesc> +<shortdesc lang="en">Enable setting the memory utilization of hypervisor.</shortdesc> +<content type="boolean" default="true" /> +</parameter> + +<parameter name="utilization_hv_memory_reservation" unique="0" required="0"> +<longdesc lang="en">Memory reserved for the hypervisor, in MB.</longdesc> +<shortdesc lang="en">Memory reserved for the hypervisor, in MB.</shortdesc> +<content type="integer" default="512" /> +</parameter> +</parameters> + +<actions> +<action name="start" timeout="90" /> +<action name="stop" timeout="100" /> +<action name="monitor" timeout="20s" interval="60s"/> +<action name="meta-data" timeout="5" /> +<action name="validate-all" timeout="30" /> +</actions> +</resource-agent> +END +} + +set_utilization() { + host_name="$(hostname)" + + if ocf_is_true "$OCF_RESKEY_utilization_cpu"; then + sys_cpu=$(( $(grep -c processor /proc/cpuinfo) - $OCF_RESKEY_utilization_cpu_reservation )) + uti_cpu=$(crm_attribute -Q -t nodes -U "$host_name" -z -n cpu 2>/dev/null) + + if [ "$sys_cpu" != "$uti_cpu" ]; then + if ! crm_attribute -t nodes -U "$host_name" -z -n cpu -v $sys_cpu; then + ocf_log err "Failed to set cpu of utilization by crm_attribute." + return 1 + fi + fi + fi + + if ocf_is_true "$OCF_RESKEY_utilization_host_memory"; then + sys_mem=$(( $(awk '/MemTotal/{printf("%d\n",$2/1024);exit(0)}' /proc/meminfo) - $OCF_RESKEY_utilization_host_memory_reservation )) + uti_mem=$(crm_attribute -Q -t nodes -U "$host_name" -z -n host_memory 2>/dev/null) + + if [ "$sys_mem" != "$uti_mem" ]; then + if ! crm_attribute -t nodes -U "$host_name" -z -n host_memory -v $sys_mem; then + ocf_log err "Failed to set host_memory of utilization by crm_attribute." + return 1 + fi + fi + fi + + if [ -x /usr/sbin/xm ]; then + if ocf_is_true "$OCF_RESKEY_utilization_hv_memory"; then + hv_mem=$(( $(xm info | awk '/total_memory/{printf("%d\n",$3);exit(0)}') - $OCF_RESKEY_utilization_hv_memory_reservation )) + uti_mem=$(crm_attribute -Q -t nodes -U "$host_name" -z -n hv_memory 2>/dev/null) + + if [ "$hv_mem" != "$uti_mem" ]; then + if ! crm_attribute -t nodes -U "$host_name" -z -n hv_memory -v $hv_mem; then + ocf_log err "Failed to set hv_memory of utilization by crm_attribute." + return 1 + fi + fi + fi + fi +} + +NodeUtilization_usage() { + cat <<END +usage: $0 {start|stop|monitor|validate-all|meta-data} + +Expects to have a fully populated OCF RA-compliant environment set. +END +} + +NodeUtilization_start() { + if ! touch "$OCF_RESKEY_pidfile"; then + ocf_log err "Failed to touch pidfile: ${OCF_RESKEY_pidfile}." + exit $OCF_ERR_GENERIC + fi + if ! ocf_is_true "$OCF_RESKEY_dynamic"; then + if ! set_utilization; then + exit $OCF_ERR_GENERIC + fi + fi + exit $OCF_SUCCESS +} + +NodeUtilization_stop() { + rm -f $OCF_RESKEY_pidfile + exit $OCF_SUCCESS +} + +NodeUtilization_monitor() { + if [ ! -f $OCF_RESKEY_pidfile ]; then + exit $OCF_NOT_RUNNING + fi + + if ocf_is_true "$OCF_RESKEY_dynamic"; then + if ! set_utilization; then + exit $OCF_ERR_GENERIC + fi + fi + exit $OCF_SUCCESS +} + +NodeUtilization_validate() { + exit $OCF_SUCCESS +} + + +: ${OCF_RESKEY_pidfile:="$HA_VARRUN/NodeUtilization-${OCF_RESOURCE_INSTANCE}"} +: ${OCF_RESKEY_dynamic:="true"} +: ${OCF_RESKEY_utilization_cpu:="true"} +: ${OCF_RESKEY_utilization_cpu_reservation="1"} +: ${OCF_RESKEY_utilization_hv_memory:="true"} +: ${OCF_RESKEY_utilization_hv_memory_reservation="512"} +: ${OCF_RESKEY_utilization_host_memory:="true"} +: ${OCF_RESKEY_utilization_host_memory_reservation="512"} + +if [ $# -ne 1 ]; then + NodeUtilization_usage + exit $OCF_ERR_ARGS +fi + +case $__OCF_ACTION in +meta-data) meta_data + exit $OCF_SUCCESS + ;; +start) NodeUtilization_start + ;; +stop) NodeUtilization_stop + ;; +monitor) NodeUtilization_monitor + ;; +validate-all) NodeUtilization_validate + ;; +usage|help) NodeUtilization_usage + exit $OCF_SUCCESS + ;; +*) NodeUtilization_usage + exit $OCF_ERR_UNIMPLEMENTED + ;; +esac + +exit $?
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