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Update syslogGen.sh with port and orig_ips flexibility #1

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Update syslogGen.sh with port and orig_ips flexibility #1

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21 changes: 17 additions & 4 deletions syslogGen.sh
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Original file line number Diff line number Diff line change
@@ -1,11 +1,19 @@
#!/bin/bash
# -----------------------------------------------------------------------------
#
# Shell script to simulate syslog message from a source
# - Simulation involves port, facility and prority
#
# -----------------------------------------------------------------------------
# Path to netcat
NC="/bin/nc"
# Where are we sending messages from / to?
ORIG_IP="127.0.0.1"
DEST_IP="127.0.0.11"
ORIG_IPS=("10.1.2.3" "192.1.2.4" "172.1.3.4")
# Multiple port inputs
PORTS=("514" "10514" "10515")
DEST_IP="127.0.0.1"
# List of messages.
MESSAGES=("Error Event" "Warning Event" "Info Event")
MESSAGES=("Error Event Message1" "Warning Event key1=Value1" "Info Event Message3")
# How long to wait in between sending messages.
SLEEP_SECS=1
# How many message to send at a time.
Expand Down Expand Up @@ -36,16 +44,21 @@ COUNT=1
# local5 168 169 170 171 172 173 174 175
# local6 176 177 178 179 180 181 182 183
# local7 184 185 186 187 188 189 190 191

#Change priority below to customise your simulation
PRIORITIES=(0 1 2 3 4 5 6 7)

#Unlimited loop
while [ 1 ]
do
for i in $(seq 1 $COUNT)
do
# Picks a random syslog message from the list.
RANDOM_MESSAGE=${MESSAGES[$RANDOM % ${#MESSAGES[@]} ]}
PRIORITY=${PRIORITIES[$RANDOM % ${#PRIORITIES[@]} ]}
$NC $DEST_IP -u 514 -w 0 <<< "<$PRIORITY>`env LANG=us_US.UTF-8 date "+%b %d %H:%M:%S"` $ORIG_IP service: $RANDOM_MESSAGE"
ORIG_IP=${ORIG_IPS[$RANDOM % ${#ORIG_IPS[@]} ]}
PORT=${PORTS[$RANDOM % ${#PORTS[@]} ]}
$NC $DEST_IP -u $PORT -w 1 <<< "<$PRIORITY>`env LANG=us_US.UTF-8 date "+%b %d %H:%M:%S"` $ORIG_IP service: $RANDOM_MESSAGE"
done
sleep $SLEEP_SECS
done