mirror of
https://github.com/apache/cloudstack.git
synced 2025-11-02 20:02:29 +01:00
65 lines
1.8 KiB
Bash
65 lines
1.8 KiB
Bash
#!/bin/bash
|
|
|
|
# Copyright (C) 2009 Citrix Systems Inc.
|
|
#
|
|
# This program is free software; you can redistribute it and/or
|
|
# modify it under the terms of the GNU General Public License
|
|
# as published by the Free Software Foundation; either version 2
|
|
# of the License, or (at your option) any later version.
|
|
#
|
|
# This program is distributed in the hope that it will be useful,
|
|
# but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
# GNU General Public License for more details.
|
|
#
|
|
# You should have received a copy of the GNU General Public License
|
|
# along with this program; if not, write to the Free Software
|
|
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
|
|
|
|
LANG="C"
|
|
export LANG
|
|
|
|
usage() {
|
|
echo "$0 [ -p <pidfile> ]" >&2
|
|
exit 1
|
|
}
|
|
|
|
# Parse command line opts
|
|
while [ $# -ne 0 ] ; do
|
|
arg="$1"
|
|
shift
|
|
case "$arg" in
|
|
"-p")
|
|
[ $# -eq 0 ] && usage
|
|
pidfile="$1"
|
|
shift
|
|
mkdir -p "$(dirname "$pidfile")"
|
|
echo $$ > "$pidfile"
|
|
;;
|
|
*)
|
|
usage
|
|
;;
|
|
esac
|
|
done
|
|
|
|
XE_UPDATE_GUEST_ATTRS=${XE_UPDATE_GUEST_ATTRS:-/usr/sbin/xe-update-guest-attrs}
|
|
XE_DAEMON_RATE=${XE_DAEMON_RATE:-60} # run once a minute by default
|
|
XE_MEMORY_UPDATE_DIVISOR=${XE_MEMORY_UPDATE_DIVISOR:-2} # update mem stats 1/2 as often by dflt
|
|
|
|
# Delete xenstore cache following each reboot
|
|
rm -rf /var/cache/xenstore
|
|
|
|
MEMORY_UPDATE_COUNTER=0
|
|
while true ; do
|
|
if [ ${MEMORY_UPDATE_COUNTER} -eq 0 ] ; then
|
|
MEMORY=--memory
|
|
MEMORY_UPDATE_COUNTER=${XE_MEMORY_UPDATE_DIVISOR}
|
|
else
|
|
MEMORY=
|
|
fi
|
|
MEMORY_UPDATE_COUNTER=$((${MEMORY_UPDATE_COUNTER} - 1))
|
|
${XE_UPDATE_GUEST_ATTRS} ${MEMORY}
|
|
|
|
sleep ${XE_DAEMON_RATE}
|
|
done
|