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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 $2 ]; then
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usage
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exit 3
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fi
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file=/opt/cloud/bin/heartbeat
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lastdate=$(($(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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