cloudstack/scripts/vm/hypervisor/xenserver/setup_heartbeat_file.sh

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#!/bin/bash
# Licensed to the Apache Software Foundation (ASF) under one
# or more contributor license agreements. See the NOTICE file
# distributed with this work for additional information
# regarding copyright ownership. The ASF licenses this file
# to you under the Apache License, Version 2.0 (the
# "License"); you may not use this file except in compliance
# with the License. You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing,
# software distributed under the License is distributed on an
# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
# KIND, either express or implied. See the License for the
# specific language governing permissions and limitations
# under the License.
#set -x
usage() {
printf "Usage: %s [uuid of this host] [uuid of the sr to place the heartbeat] [ add , true/false]\n" $(basename $0)
}
if [ -z $1 ]; then
usage
echo "#1# no uuid of host"
exit 0
fi
if [ -z $2 ]; then
usage
echo "#2# no uuid of sr"
exit 0
fi
if [ -z $3 ]; then
usage
echo "#21# no add parameter"
exit 0
fi
if [ `xe host-list | grep $1 | wc -l` -ne 1 ]; then
echo "#3# Unable to find the host uuid: $1"
exit 0
fi
if [ `xe sr-list uuid=$2 | wc -l` -eq 0 ]; then
echo "#4# Unable to find SR with uuid: $2"
exit 0
fi
if [ `xe pbd-list sr-uuid=$2 | grep -B 1 $1 | wc -l` -eq 0 ]; then
echo "#5# Unable to find a pbd for the SR: $2"
exit 0
fi
hbfile=/opt/cloud/bin/heartbeat
if [ "$3" = "true" ]; then
srtype=`xe sr-param-get param-name=type uuid=$2`
if [ "$srtype" = "nfs" ];then
dir=/var/run/sr-mount/$2
filename=$dir/hb-$1
if [ ! -f "$filename" ]; then
echo "#6# heartbeat file $filename doesn't exist"
exit 0
fi
else
dir=/dev/VG_XenStorage-$2
link=$dir/hb-$1
lvchange -ay $link
if [ $? -ne 0 ]; then
echo "#7# Unable to make the heartbeat $link active"
exit 0
fi
fi
if [ -f $hbfile ]; then
grep $dir $hbfile >/dev/null
if [ $? -gt 0 ]
then
echo $dir >> $hbfile
fi
else
echo $dir >> $hbfile
fi
else
if [ -f $hbfile ]; then
sed -i /$2/d $hbfile
fi
fi
echo "#0#DONE"
exit 0