: generate local host info
case $RANDOM in
$RANDOM) exec ksh $0 "$@"; echo "$0: ksh required" >&2; exit 1 ;;
esac
integer cluster=5
dir=.
file=
heading=1
list=
rsh=rsh
timeout=90
verbose=:
while :
do case $# in
0) break ;;
esac
case $1 in
-[frt])case $# in
1) set -- '-?'
break
;;
esac
case $1 in
-f) file=$2 ;;
-r) rsh=$2 ;;
-t) timeout=$2 ;;
esac
shift
;;
-h) heading=
;;
-n) list=1
;;
-v) verbose='print -u2'
;;
'-?') break
;;
[-+]*) print -u2 "$0: $1: invalid option"
set -- '-?'
break
;;
*) break
;;
esac
shift
done
case $1 in
'-?') print -u2 "Usage: $0 [-hnv] [-f share-file] [-r rsh-path] [-t timeout] [host ...]"; exit 1 ;;
esac
case $file in
"") ifs=${IFS-'
'}
IFS=:
set "" $PATH "--" "$@"
IFS=$ifs
f=lib/cs/share
while :
do shift
case $1 in
"") continue ;;
--) break ;;
esac
case $file in
"") test -f ${1%bin}$f && file=${1%bin}$f ;;
esac
done
shift
case $file in
"") print -u2 $0: $f: not found; exit 1 ;;
esac
;;
*) if test ! -f $file
then print -u2 "$0: $file: cannot read share file"; exit 1
fi
;;
esac
print -u2 "$0: warning: $rsh may hang on some hosts -- monitor the progress with the -v option or ps $$"
server=
for host in $(egrep -v '^#' $file)
do case $server in
"") server=$host ;;
*) server="$server|$host" ;;
esac
done
hostname=$(package host name)
hostname=${hostname%%.*}
case $# in
0) domain=$(
{
cat /etc/hosts
ypcat hosts
} 2>/dev/null |
egrep "[^#].*[ ]$hostname(\$|[. ])" |
sed -e '1!d' -e 's/^[^ ]*//' -e 's/[^.]*.//' -e 's/[ ].*//'
)
set -- $(
{
print "$hostname"
egrep -v '^#' $file
ruptime | fgrep -v 'no hosts'
{
for i in /etc/resolv.conf /usr/etc/resolv.conf
do if test -f $i
then echo "ls -t A $(sed -e '/^domain/!d' -e 's/.*[ ][ ]*//' $i)" | nslookup
break
fi
done
cat /etc/hosts
ypcat hosts
} |
fgrep ".$domain" |
awk '{print $2}'
} 2>/dev/null |
sed -e 's/[. ].*//' -e '/^[a-zA-Z].*[a-zA-Z0-9]$/!d' |
sort -u
)
case $list in
?*) print domain=$domain
;;
esac
;;
esac
case $list in
?*) print hosts='"'$*'"'; exit ;;
esac
hosts=
for host
do case $host in
local|localhost) host=$hostname ;;
esac
case " $hosts " in
*" $host "*) continue ;;
esac
hosts="$hosts $host"
$verbose -n "$host "
case $host in
$hostname)
package host name type cpu rating
;;
*) if ping -c 1 -w 4 $host >/dev/null 2>&1
then $rsh $host bin/package host name type cpu rating &
info=$!
{
sleep $timeout
kill -9 $info
} &
time=$!
wait $info
kill -9 $time
fi
;;
esac 2>/dev/null
done | while read host type cpu rating
do $verbose type=$type cpu=$cpu rating=$rating
host=${host%%.*}
eval "case '$host' in
$server) idle= ;;
*) idle=15m ;;
esac"
print $host" "type=$type" "${rating}${idle:+" idle=$idle"}${cpu:+" cpu=$cpu"}
done | sort -b +2n -3 | {
integer v c d i j k n
((n=0))
while read host type rate attr
do ((n=n+1))
h[n]=$host
t[n]=$type
v[n]=$rate
a[n]=$attr
done
c=1
while ((c))
do ((c=0))
((i=1))
while ((i<n))
do ((d=v[i+1]-v[i]))
if ((d>1&&d<cluster))
then ((d=d/2))
((v[i]=v[i]+d))
((v[i+1]=v[i+1]-d))
c=1
fi
((i=i+1))
done
done
((i=1))
while ((i<=n))
do ((c=v[i]))
((j=i+1))
((k=1))
while ((j<=n))
do if (((v[j]-v[j-1])>1||(v[j]-v[i])>cluster))
then break
fi
((c=c+v[j]))
((k=k+1))
((j=j+1))
done
((c=c/k))
((d=c%10))
((c=c-d))
if ((d>6))
then ((c=c+10))
elif ((d>3))
then ((c=c+5))
fi
while ((i<j))
do ((v[i]=c))
((i=i+1))
done
done
((i=1))
while ((i<=n))
do rate=${v[i]}
print ${h[i]} ${t[i]} rating=${v[i]}" ${a[i]}"
((i=i+1))
done
} | sort -b +1 -2 +2.7n -3 +0 -1 | while read host type attr
do case $heading in
1) print '#'
print '# local host attributes'
print '#'
print
print 'local busy=2m pool=9'
print
;;
''|$type)
;;
*) print
;;
esac
heading=$type
case $host in
????????*)
tab1=" "
;;
*) tab1=" "
;;
esac
case $type in
????????*)
tab2=" "
;;
*) tab2=" "
;;
esac
print $host"$tab1"$type"$tab2$attr"
done
