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
@@ -33,7 +33,8 @@ ocf_SCRIPTS = ClusterMon \
Stateful \
SysInfo \
SystemHealth \
- remote
+ remote \
+ NodeUtilization
if BUILD_XML_HELP
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 $?