55 lines
1.1 KiB
Bash
55 lines
1.1 KiB
Bash
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#!/bin/bash
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# rburkholder@quovadis.bm
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# raymond@burkholder.net
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# user defined settings
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txtEmail="user@example.com"
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txtSubject="Path Loss Report"
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txtSeparator="==============================\n"
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nTrigger=4
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nAttempts=5
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declare -A nodes
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nodes=( \
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[8.8.8.8]="google1" \
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[8.8.4.4]="google2" \
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)
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# local variables
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cntFailures=0
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status=""
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tmpLog=$(mktemp)
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tmpPing=$(mktemp)
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# preload output
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date > ${tmpLog}
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# loop through nodes nd test
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for node in ${!nodes[*]}; do
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echo -e ${txtSeparator} >> ${tmpLog};
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echo "checking node ${nodes[${node}]}:" >> ${tmpLog};
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echo "" >> ${tmpLog}
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ping -W 1 -c ${nAttempts} ${node} > ${tmpPing}
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cat ${tmpPing} >> ${tmpLog}
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value=$(grep transmitted ${tmpPing} | cut -d ' ' -f 4)
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if [[ nTrigger -ge value ]]; then
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((cntFailures++));
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mtr -w -b --report ${node} >> ${tmpLog};
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status="${status} ${nodes[${node}]}"
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fi
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done
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# footer
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echo -e ${txtSeparator} >> ${tmpLog};
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date >> ${tmpLog}
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# notify on failure
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if [[ cntFailures -gt 0 ]]; then
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cat ${tmpLog} | mail -s "${txtSubject}:${status}" ${txtEmail};
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fi
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# clean up
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rm ${tmpLog}
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rm ${tmpPing}
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