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e8b6f66582
cause writing the heartbeat to take longer than expected. By comparing the last successful heartbeat epoch with the current epoch we check if the timeout value has been met.
109 lines
2.8 KiB
Bash
Executable File
109 lines
2.8 KiB
Bash
Executable File
#!/bin/bash
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# Licensed to the Apache Software Foundation (ASF) under one
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# or more contributor license agreements. See the NOTICE file
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# distributed with this work for additional information
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# regarding copyright ownership. The ASF licenses this file
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# to you under the Apache License, Version 2.0 (the
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# "License"); you may not use this file except in compliance
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# with the License. You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing,
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# software distributed under the License is distributed on an
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# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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# KIND, either express or implied. See the License for the
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# specific language governing permissions and limitations
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# under the License.
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#set -x
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usage() {
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printf "Usage: %s [uuid of this host] [timeout in seconds] [interval in seconds]\n" $(basename $0) >&2
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}
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if [ -z $1 ]; then
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usage
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exit 2
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fi
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if [ -z $2 ]; then
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usage
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exit 3
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fi
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if [ ! -z $3 ]; then
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interval=$3
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else
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interval=5
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fi
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if [ $interval -gt $2 ]; then
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usage
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exit 3
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fi
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file=/opt/xensource/bin/heartbeat
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lastdate=$(($(date +%s) + $interval))
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while [ $(date +%s) -lt $(($lastdate + $2)) ]
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do
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sleep $interval
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if [ ! -f $file ]
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then
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continue
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fi
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# test heartbeat file
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dirs=$(cat $file | grep "sr-mount\|VG_XenStorage")
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if [ ! -n "$dirs" ];then
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/usr/bin/logger -t heartbeat "Problem with heartbeat, no iSCSI or NFS mount defined in $file!"
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lastdate=$(date +%s)
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continue
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fi
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# for iscsi
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dirs=$(cat $file | grep VG_XenStorage)
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for dir in $dirs
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do
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if [ -d $dir ]; then
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hb=$dir/hb-$1
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date +%s | dd of=$hb count=100 bs=1 2>/dev/null
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if [ $? -ne 0 ]; then
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/usr/bin/logger -t heartbeat "Potential problem with $hb: not reachable since $(($(date +%s) - $lastdate)) seconds"
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else
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lastdate=$(date +%s)
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fi
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else
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/usr/bin/logger -t heartbeat "Potential problem with heartbeat, dir not found for $dir"
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lastdate=$(date +%s)
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sed -i /${dir##/*/}/d $file
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fi
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done
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# for nfs
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dirs=$(cat $file | grep sr-mount)
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for dir in $dirs
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do
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mp=`mount | grep $dir`
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if [ -n "$mp" ]; then
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hb=$dir/hb-$1
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date +%s | dd of=$hb count=100 bs=1 2>/dev/null
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if [ $? -ne 0 ]; then
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/usr/bin/logger -t heartbeat "Potential problem with $hb: not reachable since $(($(date +%s) - $lastdate)) seconds"
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else
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lastdate=$(date +%s)
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fi
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else
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/usr/bin/logger -t heartbeat "Potential problem with heartbeat, mount not found for $dir"
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lastdate=$(date +%s)
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sed -i /${dir##/*/}/d $file
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fi
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done
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done
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/usr/bin/logger -t heartbeat "Problem with $hb: not reachable for $(($(date +%s) - $lastdate)) seconds, rebooting system!"
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reboot -f
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