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

 

Line No. Rev Author Line
11simandl#!/bin/bash
2#
3#
4# 2008-06-07/Libor Zacinam pokusovat s adaptaci pro Crusader Aggregator 100M
5#
6# 2006-11-22/Libor Predelano cteni RSS pomoci nove aplikace napsane v C pro snizeni
7# zateze CPU, ktera na VIA C3 800MHz ve stavajici podobe dosahovala
8# az 100%.
9#
10# 2005-11-27/Libor Predelano cteni seriaku. Ted si ho otevre jako filedescriptor
11# a cte z nej jako ze souboru. Na Marvinovi se tim (snad) uplne
12# odstranily chly do nuly, ktere byly nejspis zpusobeny
13# rychlosti (pomalosti) Marvina. (800MHz VIA C3)
14# 2005-11-02/Libor konfiguracni skripty na prehazovani primarni FSO <-> backup WiFi
15# logovani do /var/statistiky/crusader/crusader.log
16# bash3, nevim proc, ale na Marvinovi mi to s dvojkou nechodilo kvuliva
17# porovnavani desetinnych cisel pomoci if [ $neco -le $rss ]...
18# 2005-10-27/Libor pridano prehazovani na WiFi zalohu pri signalu < 300
19#
20#
21 
22PATH=$PATH:/opt/statistiky/bin
23 
24if [ $# -eq 1 ]; then
25 crusader_number=$1
26fi
27if [ $# -gt 1 ]; then
28 echo "ERROR: more than 1 option" >&2
29fi
30if [ $# -lt 1 ]; then
31 crusader_number=0
32fi
33 
34stat_dir="/var/statistiky/crusader"
35logfile="$stat_dir/crusader.log"
36mkdir -p $stat_dir
37 
38config_file=/opt/statistiky/collect_crusader.conf
39script_set_main=/opt/statistiky/crusader_set_main.sh
40script_set_backup=/opt/statistiky/crusader_set_backup.sh
41 
42function Log()
43# $1 ... message
44{
45 timenow=`date +"%Y-%m-%d %T"`
46 echo "LOG: $timenow $1"
47 echo "$timenow $1" >>$logfile
48}
49 
50Log "Crusader start ====="
51Log "Using config file: $config_file"
52 
53if [ ! -f $config_file ]
54then
55 Log "Missing config file $config_file, exiting."
56 exit 1;
57fi
58 
59if [ ! -x $script_set_main ]; then
60 Log "Script set up main is not executable: $script_set_main"
61 exit 1;
62fi
63if [ ! -x $script_set_backup ]; then
64 Log "Script set up main is not executable: $script_set_backup"
65 exit 1;
66fi
67 
68cd $stat_dir
69 
70function create()
71# $1 ... netdevice
72{
73 local file=$1
74 Log "Creating RRD archive $file"
75 
76# step = 5s
77# za posledni 2,5 hodiny chceme vsechny PDP => 2,5 * 3600 / 5 = 1800 hodnot/radku
78# 20s ~ agregace ze ctyr hodnot (PDP)
79# za poslednich 10 hodin chceme 20s udaje => 10*3600/20 = 1800 generaci/radku
80# za poslednich 30 hodin chceme 60s udaje => 30*3600/60 = 1800 generaci/radku
81# 5 minut = 12 PDP za minutu * 5 minut = 60 PDP
82# za posledni tyden (9dni) chceme 5minutove udaje => 12*24*9 = 2592 radku (rows)
83# 20min ~ agregace z 240 PDP
84# za posledni mesic (38dni) chceme 20minutove useky => 3*24*38 = 2736 radku
85# dve hodiny ~ 1440 PDP
86# za posledni rok chceme dvouhodinove useky => 12*400 = 4800 radku
87 
88rrdtool create ${file}.rrd --step 5 --start `date +%s` \
89 DS:rss_avg:GAUGE:10:0:999 \
90 DS:rss_min:GAUGE:10:0:999 \
91 DS:rss_max:GAUGE:10:0:999 \
92 RRA:AVERAGE:0.7:1:1800 \
93 RRA:MAX:0.7:1:1800 \
94 RRA:MIN:0.7:1:1800 \
95 RRA:AVERAGE:0.7:4:2880 \
96 RRA:MAX:0.7:4:2880 \
97 RRA:MIN:0.7:4:2880 \
98 RRA:AVERAGE:0.7:12:1800 \
99 RRA:MAX:0.7:12:1800 \
100 RRA:MIN:0.7:12:1800 \
101 RRA:AVERAGE:0.7:60:2592 \
102 RRA:MAX:0.7:60:2592 \
103 RRA:MIN:0.7:60:2592 \
104 RRA:AVERAGE:0.7:240:2736 \
105 RRA:MAX:0.7:240:2736 \
106 RRA:MIN:0.7:240:2736 \
107 RRA:AVERAGE:0.7:1440:4800 \
108 RRA:MAX:0.7:1440:4800 \
109 RRA:MIN:0.7:1440:4800
110 
111}
112 
113# zastarala: ted cekame pomoci crusader_read_rss
114function wait_to()
115# $1 date for waiting to
116{
117 local time_now=`date +%s`;
118 while [ $time_now -lt $1 ]
119 do
120 time_now=`date +%s`
121 sleep 1;
122 done
123}
124 
125 
126function activate_backup()
127{
128 $script_set_backup
129 echo "Activated WiFi backup"
130}
131function activate_fso()
132{
133 $script_set_main
134 echo "Activated FSO primary link"
135}
136 
137function read_remote_status()
138{
139 remote_rss_status=`grep ^RSS: /var/statistiky/crusader/remote_site_status | awk '{ print $2;}'`
140 echo "Remote RSS status: $remote_rss_status"
141}
142 
143function write_status_to_remote()
144{
145 Log " Writing status (RSS: $rss_status) to remote side"
146 ssh libor@10.23.64.169 "echo \"RSS: $rss_status\" >/var/statistiky/crusader/remote_site_status"
147}
148 
149function rss_check_status()
150# $1 ... jmeno rusaderu (napr. crusader0)
151# $2 je sila signalu RSS
152{
153 local name=$1
154 local rss=$2
155 if [ $rss -ge $rss_low_threshold ]; then
156 echo "RSS($rss) >= low_threshold ($rss_low_threshold), erasing rss_low_count"
157 rss_low_count="0"
158 fi
159 if [ $rss -le $rss_good_threshold ]; then
160 echo "RSS($rss) <= good_threshold ($rss_good_threshold), erasing rss_good_count"
161 rss_good_count="0"
162 fi
163 if [ "$rss_status" == "good" ] && [ $rss -lt $rss_low_threshold ]; then
164 let rss_low_count+=1
165 echo "RSS($rss) < low_threshold ($rss_low_threshold), increasing rss_low_count to $rss_low_count"
166 fi
167 if [ "$rss_status" == "low" ] && [ $rss -gt $rss_good_threshold ]; then
168 let rss_good_count+=1
169 echo "RSS($rss) > good_threshold ($rss_good_threshold), increasing rss_good_count to $rss_good_count"
170 fi
171 if [ "$rss_status" == "good" ] && [ $rss_low_count -ge $rss_low_counter_go_backup ]; then
172 echo "RSS goes down"
173 rss_status="low"
174 Log "Crusader $crusader_number: goes down, RSS: low ($rss)"
175 write_status_to_remote
176 fi
177 if [ "$rss_status" == "low" ] && [ $rss_good_count -ge $rss_good_counter_go_main ]; then
178 echo "RSS goes up"
179 rss_status="good"
180 Log "Crusader $crusader_number: goes up, RSS: good ($rss)"
181 write_status_to_remote
182 fi
183 
184 if [ "$link_status" == "FSO" ] && [ "$rss_status" == "low" ]
185 then
186 Log "Link to backup"
187 activate_backup
188 link_status="backup"
189 fi
190 if [ "$link_status" == "backup" ] && [ "$rss_status" == "good" ] && [ "$remote_rss_status" == "good" ]
191 then
192 Log "Link to FSO"
193 activate_fso
194 link_status="FSO"
195 fi
196 
197 read_remote_status
198 
199 if [ "$link_status" == "FSO" ] && [ "$remote_rss_status" == "low" ]
200 then
201 Log "Link to backup"
202 activate_backup
203 link_status="backup"
204 write_status_to_remote
205 fi
206}
207 
208# Pocatecni nastaveni linky FSO/backup
209function setup_initial_link_status()
210{
211 if [ $rss_avg -gt $rss_good_threshold ]; then
212 rss_status="good"
213 rss_status_last="good"
214 link_status="unknown"
215 else
216 rss_status="low"
217 rss_status_last="low"
218 link_status="unknown"
219 fi
220 write_status_to_remote
221 read_remote_status
222 
223 if [ "$rss_status" == "good" ] && [ "$remote_rss_status" == "good" ]
224 then
225 Log "Link to FSO"
226 activate_fso
227 link_status="FSO"
228 else
229 Log "Link to backup"
230 activate_backup
231 link_status="backup"
232 fi
233}
234 
235function load_config()
236{
237 . ${config_file}
238 rss_low_threshold=${RSS_LOW_THRESHOLD[$crusader_number]}
239 rss_good_threshold=${RSS_GOOD_THRESHOLD[$crusader_number]}
240 rss_low_counter_go_backup=${RSS_LOW_COUNTER_TO_GO_BACKUP[$crusader_number]}
241 rss_good_counter_go_main=${RSS_GOOD_COUNTER_TO_GO_MAIN[$crusader_number]}
242 device=${DEVICE[$crusader_number]}
243 name=${NAME[$crusader_number]}${crusader_number}
244}
245 
246print_config()
247{
248 Log "Crusader $crusader_number"
249 Log " RSS low threshold = $rss_low_threshold"
250 Log " RSS good threshold = $rss_good_threshold"
251 Log " RSS low counter go backup = $rss_low_counter_go_backup"
252 Log " RSS good counter go main = $rss_good_counter_go_main"
253 Log " Seriak: $device"
254}
255 
256# Inicializace
257load_config
258print_config
259j=0
260rv=2
261 
262rss_line=`crusader_read_rss ${device} +2 2>/dev/null`
263rss_avg=`echo $rss_line | awk '{ print $2; }'`
264if [ -z "$rss_avg" ]; then
265 rss_avg="0"
266fi
267Log " Sila signalu pri startu (RSS): $rss_avg"
268 
269# Prvotni nastaveni linky pred hlavni smyckou
270#setup_initial_link_status
271 
272# kolikrat byl signal nizsi nez rss_low_threshold opakovane v rade po sobe
273rss_low_counter=0
274# kolikrat byl signal vyssi nez rss_good_threshold opakovane v rade po sobe
275rss_good_counter=0
276 
277start_time=`date +%s`
278interval=$(( $start_time / 5 * 5 + 5 ))
279 
280# Hlavni smycka
281while [ true ] ; do
282 
283 load_config
284 
285 rrdfile=${name}
286 if [ ! -f $rrdfile.rrd ] ; then
287 create $rrdfile
288 fi
289 
290 rss_line=`crusader100_read_rss ${device} ${interval} 2>/dev/null`
291 echo "RSS LINE: $rss_line"
292 pocet=`echo $rss_line | awk '{ print $1; }'`
293 if [ -z "$pocet" ]; then
294 pocet="0"
295 fi
296 rss_avg=`echo $rss_line | awk '{ print $2; }'`
297 rss_max=`echo $rss_line | awk '{ print $3; }'`
298 rss_min=`echo $rss_line | awk '{ print $4; }'`
299 if [ -z "$rss_avg" ]; then
300 rss_avg="0"
301 fi
302 if [ -z "$rss_max" ]; then
303 rss_max="0"
304 fi
305 if [ -z "$rss_min" ]; then
306 rss_min="0"
307 fi
308 
309 if [ $pocet -gt 0 ]
310 then
311 echo "Pocet vzorku: $pocet RSS avg: $rss_avg min: $rss_min max: $rss_max"
312 rrdtool update $rrdfile.rrd -t rss_avg:rss_min:rss_max $interval:$rss_avg:$rss_min:$rss_max
313# rss_check_status ${name} $rss_avg
314 else
315 echo "NaN"
316 rrdtool update $rrdfile.rrd -t rss_avg:rss_min:rss_max $interval:U:U:U
317# rss_check_status ${name} 0
318 fi
319 
320 interval=$(( $interval + 5 ))
321 
322 echo ""
323done

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