mirror of
https://github.com/apache/cloudstack.git
synced 2025-10-26 08:42:29 +01:00
168 lines
3.4 KiB
Bash
Executable File
168 lines
3.4 KiB
Bash
Executable File
#!/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.
|
|
|
|
help() {
|
|
printf "Usage: $0
|
|
-i nfs server ip
|
|
-p nfs server path
|
|
-m mount point
|
|
-h host
|
|
-r write/read hb log
|
|
-c cleanup
|
|
-t interval between read hb log\n"
|
|
exit 1
|
|
}
|
|
#set -x
|
|
NfsSvrIP=
|
|
NfsSvrPath=
|
|
MountPoint=
|
|
HostIP=
|
|
interval=
|
|
rflag=0
|
|
cflag=0
|
|
|
|
while getopts 'i:p:m:h:t:rc' OPTION
|
|
do
|
|
case $OPTION in
|
|
i)
|
|
NfsSvrIP="$OPTARG"
|
|
;;
|
|
p)
|
|
NfsSvrPath="$OPTARG"
|
|
;;
|
|
m)
|
|
MountPoint="$OPTARG"
|
|
;;
|
|
h)
|
|
HostIP="$OPTARG"
|
|
;;
|
|
r)
|
|
rflag=1
|
|
;;
|
|
t)
|
|
interval="$OPTARG"
|
|
;;
|
|
c)
|
|
cflag=1
|
|
;;
|
|
*)
|
|
help
|
|
;;
|
|
esac
|
|
done
|
|
|
|
if [ -z "$NfsSvrIP" ]
|
|
then
|
|
exit 1
|
|
fi
|
|
|
|
|
|
#delete VMs on this mountpoint
|
|
deleteVMs() {
|
|
local mountPoint=$1
|
|
vmPids=$(ps aux| grep qemu | grep "$mountPoint" | awk '{print $2}' 2> /dev/null)
|
|
if [ $? -gt 0 ]
|
|
then
|
|
return
|
|
fi
|
|
|
|
if [ -z "$vmPids" ]
|
|
then
|
|
return
|
|
fi
|
|
|
|
for pid in $vmPids
|
|
do
|
|
kill -9 $pid &> /dev/null
|
|
done
|
|
}
|
|
|
|
#checking is there the same nfs server mounted under $MountPoint?
|
|
mounts=$(cat /proc/mounts |grep nfs|grep $MountPoint)
|
|
if [ $? -gt 0 ]
|
|
then
|
|
# remount it
|
|
mount $NfsSvrIP:$NfsSvrPath $MountPoint -o sync,soft,proto=tcp,acregmin=0,acregmax=0,acdirmin=0,acdirmax=0,noac,timeo=133,retrans=10 &> /dev/null
|
|
if [ $? -gt 0 ]
|
|
then
|
|
printf "Failed to remount $NfsSvrIP:$NfsSvrPath under $MountPoint"
|
|
exit 1
|
|
fi
|
|
if [ "$rflag" == "0" ]
|
|
then
|
|
deleteVMs $MountPoint
|
|
fi
|
|
fi
|
|
|
|
hbFolder=$MountPoint/KVMHA/
|
|
hbFile=$hbFolder/hb-$HostIP
|
|
|
|
write_hbLog() {
|
|
#write the heart beat log
|
|
stat $hbFile &> /dev/null
|
|
if [ $? -gt 0 ]
|
|
then
|
|
# create a new one
|
|
mkdir -p $hbFolder &> /dev/null
|
|
touch $hbFile &> /dev/null
|
|
if [ $? -gt 0 ]
|
|
then
|
|
printf "Failed to create $hbFile"
|
|
return 2
|
|
fi
|
|
fi
|
|
|
|
timestamp=$(date +%s)
|
|
echo $timestamp > $hbFile
|
|
return $?
|
|
}
|
|
|
|
check_hbLog() {
|
|
now=$(date +%s)
|
|
hb=$(cat $hbFile)
|
|
diff=`expr $now - $hb`
|
|
if [ $diff -gt $interval ]
|
|
then
|
|
return $diff
|
|
fi
|
|
return 0
|
|
}
|
|
|
|
if [ "$rflag" == "1" ]
|
|
then
|
|
check_hbLog
|
|
diff=$?
|
|
if [ $diff == 0 ]
|
|
then
|
|
echo "=====> ALIVE <====="
|
|
else
|
|
echo "=====> Considering host as DEAD because last write on [$hbFile] was [$diff] seconds ago, but the max interval is [$interval] <======"
|
|
fi
|
|
exit 0
|
|
elif [ "$cflag" == "1" ]
|
|
then
|
|
/usr/bin/logger -t heartbeat "kvmheartbeat.sh will reboot system because it was unable to write the heartbeat to the storage."
|
|
sync &
|
|
sleep 5
|
|
echo b > /proc/sysrq-trigger
|
|
exit $?
|
|
else
|
|
write_hbLog
|
|
exit $?
|
|
fi
|