42 lines
822 B
Bash
Executable File
42 lines
822 B
Bash
Executable File
#!/bin/bash
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export LANG=en_US.UTF-8
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LOG_PATH="/var/log/monitor"
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LOG_NAME="net"
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SAR_INTERVAL=50
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SAR_COUNT=6
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function Init {
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local self_count=$(pgrep -cx "$(basename $0)")
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[ 0 -eq $? ] || exit 1
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[ 1 -eq $self_count ] || exit 1
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type sar > /dev/null || exit 1
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mkdir -p $LOG_PATH || exit 1
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}
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function Log {
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local msg="$1"
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local log_time="$(date +'%F %T')"
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local log_file="$LOG_PATH/$LOG_NAME-${log_time% *}.log"
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echo "$log_time $msg" >> $log_file
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cd $LOG_PATH && ls ${LOG_NAME}-* 2>/dev/null \
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| head -n -7 | xargs rm -f
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}
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function GetNetInfo {
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sar -n DEV $SAR_INTERVAL $SAR_COUNT | grep '^Average' \
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| tail -n +2 | awk '{print $2,$5,-$6}'
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}
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function Main {
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local line=
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GetNetInfo | while read line; do
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Log "$line"
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done
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}
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# start
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Init
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Main
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