contrib-munin/plugins/db2/db2_cnx

#! /bin/sh
# (c) 2012 - Steve Schnepp - LGPL

# XXX - coded hastily

# Source the DB2 profile
. /home/db2inst1/sqllib/db2profile

echo "graph_title Number of connections"
echo "graph_category db"
echo "graph_args -l 0"

db2 list application | tail +5 | awk ' /^[A-Z]/ { print $1 }' | sort | uniq -c > $HOME/run/$(basename $0).txt

# Get users list
touch $HOME/run/$(basename $0).users
awk '{ print $2 }' $HOME/run/$(basename $0).txt | cat $HOME/run/$(basename $0).users - | sort -ru > $HOME/run/$(basename $0).users.tmp
mv $HOME/run/$(basename $0).users.tmp $HOME/run/$(basename $0).users

# Emit config
if [ "$1" = "config" ]
then
        awk ' { print $1 ".label " $1 "\n" $1 ".draw AREASTACK" }' $HOME/run/$(basename $0).users
fi

# Emit values
for i in $( cat $HOME/run/$(basename $0).users )
do
        TMPLINE=$(awk -v i=$i '($2 == i) { print }' $HOME/run/$(basename $0).txt)
        if [ -z "$TMPLINE" ]
        then
                echo "$i.value 0"
        else
                echo "$TMPLINE" | awk ' { print $2 ".value " $1 }'

        fi
done