1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
|
#!/bin/sh
LOGOPTS="" # default options
LOGINTERVAL=600 # default interval in seconds
LOGGENERATIONS=28 # default number of days
LOGPATH=/var/log/atop # default log location
# allow administrator to overrule the variables
# defined above
#
DEFAULTSFILE=/etc/default/atop # possibility to overrule vars
if [ -e "$DEFAULTSFILE" ]
then
. "$DEFAULTSFILE"
# validate overruled variables
# (LOGOPTS and LOGINTERVAL are implicitly by atop)
#
case "$LOGGENERATIONS" in
''|*[!0-9]*)
echo non-numerical value for LOGGENERATIONS >&2
exit 1;;
esac
fi
CURDAY=`date +%Y%m%d`
BINPATH=/usr/bin
PIDFILE=/run/atop.pid
# verify if atop still runs for daily logging
#
if [ -e "$PIDFILE" ] && ps -p `cat "$PIDFILE"` | grep 'atop$' > /dev/null
then
kill -USR2 `cat "$PIDFILE"` # final sample and terminate
CNT=0
while ps -p `cat "$PIDFILE"` > /dev/null
do
CNT=$((CNT + 1))
if [ $CNT -gt 5 ]
then
break;
fi
sleep 1
done
rm "$PIDFILE"
fi
# delete logfiles older than N days (configurable)
# start a child shell that activates another child shell in
# the background to avoid a zombie
#
( (sleep 3; find "$LOGPATH" -name 'atop_*' -mtime +"$LOGGENERATIONS" -exec rm {} \;)& )
# activate atop with an interval of S seconds (configurable),
# replacing the current shell
#
echo $$ > $PIDFILE
exec $BINPATH/atop $LOGOPTS -w "$LOGPATH"/atop_"$CURDAY" "$LOGINTERVAL" > "$LOGPATH/daily.log" 2>&1
|
