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[/] [trunk/] [statistiky/] [opt/] [statistiky/] [collect_rates.sh.20080108] - Blame information for rev 1

 

Line No. Rev Author Line
11simandl#!/bin/bash
2 
3PATH=/opt/rrdtool/bin:$PATH:/sbin
4 
5stat_dir="/var/statistiky/rates"
6mkdir -p $stat_dir
7 
8config_file=/opt/statistiky/collect_rates.conf
9 
10if [ ! -f $cwd/$config_file ]
11then
12 echo "Missing config file $config_file"
13 exit 1;
14fi
15 
16cd $stat_dir
17 
18function create()
19# $1 ... netdevice
20{
21 local device=$1
22 echo "Creating device $device"
23 
24# 20s ~ agregace ze ctyr hodnot (PDP)
25# za poslednich 16 hodin chceme 20s udaje => 16*3600/20 = 2880 generaci/radku
26# 5 minut = 12 PDP za minutu * 5 minut = 60 PDP
27# za posledni tyden chceme 5minutove udaje => 12*24*9 = 2592 radku (rows)
28# 20min ~ agregace z 240 PDP
29# za posledni mesic chceme 20minutove useky => 3*24*38 = 2736 radku
30# dve hodiny ~ 1440 PDP
31# za posledni rok chceme dvouhodinove useky => 12*400 = 4800 radku
32 
33rrdtool create ${device}.rrd --step 5 --start `date +%s` \
34 DS:input:COUNTER:10:0:10000000 \
35 DS:output:COUNTER:10:0:10000000 \
36 RRA:AVERAGE:0.7:1:1440 \
37 RRA:MAX:0.7:4:2880 \
38 RRA:MIN:0.7:4:2880 \
39 RRA:AVERAGE:0.7:4:2880 \
40 RRA:MAX:0.7:60:2592 \
41 RRA:MIN:0.7:60:2592 \
42 RRA:AVERAGE:0.7:60:2592 \
43 RRA:MAX:0.7:240:2736 \
44 RRA:MIN:0.7:240:2736 \
45 RRA:AVERAGE:0.7:240:2736 \
46 RRA:MAX:0.7:1440:4800 \
47 RRA:MIN:0.7:1440:4800 \
48 RRA:AVERAGE:0.7:1440:4800
49 
50}
51 
52function wait_to()
53# $1 date for waiting to
54{
55 local time_now=`date +%s`;
56 while [ $time_now -lt $1 ]
57 do
58 time_now=`date +%s`
59 sleep 1;
60 done
61}
62 
63# first time rrd files initialization
64. ${config_file}
65do_sleep="no"
66for device in $RATES_DEVICES; do
67 
68 if [ ! -f $device.rrd ] ; then
69 create $device
70 do_sleep="yes"
71 fi
72done
73if [ "$do_sleep" == "yes" ]; then
74 sleep 5
75fi
76unset do_sleep
77 
78start_time=`date +%s`
79interval=$(( $start_time / 5 * 5 + 5 ))
80 
81 
82 
83while [ true ] ; do
84 
85 . ${config_file}
86 
87 wait_to $interval
88 
89 for device in $RATES_DEVICES; do
90 
91 if [ ! -f $device.rrd ] ; then
92 create $device
93 # first measurement will be in the next round
94 continue;
95 fi
96 
97 timenow=`date +%s`
98 dev=`cat /proc/net/dev | grep $device`
99 values=`echo $dev | cut -d ':' -f 2`
100 rxbytes=`echo $values | awk '{print $1;}'`
101 txbytes=`echo $values | awk '{print $9;}'`
102 
103 if [ ! -z "${rxbytes}" ] && [ ! -z "${txbytes}" ]; then
104 rrdtool update $device.rrd $interval:$rxbytes:$txbytes
105 fi
106 done
107 
108 interval=$(( $interval + 5 ))
109 
110done

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