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#!/bin/sh
# autopkgtest: Basic functionality test for Stenographer
# Author: Sascha Steinbiss <satta@debian.org>
set -e
MEM=$(free | grep Mem | awk '{print $4/1024}' | xargs printf "%.*f" 0)
if [ "350" -gt "$MEM" ]; then
echo "Not enough memory to run test ($MEM MB, 350 MB required), skipping"
exit 0
fi
# make sure syslog service is running
systemctl start rsyslog
# tap Internet-connected interface
IFACE=$(route -n | egrep '^0.0.0.0' | awk '{print $8; exit}')
echo "Using interface $IFACE"
sed -i "s/\"Interface\": \"eth0\"/\"Interface\": \"$IFACE\"/g" /etc/stenographer/config
# tweak settings to be more reasonable with memory for small test case
sed -i 's/"Flags": \[\]/"Flags": ["--blocks=256", "--seccomp=none"]/g' /etc/stenographer/config
# start stenographer
systemctl restart stenographer
# show status
systemctl status stenographer
# check whether stenographer started up
systemctl is-active stenographer
# generate some traffic by randomly downloading stuff
curl 'http://www.debian.org' > /dev/null
# we need to wait a bit until packets appear in output, see
# https://github.com/google/stenographer/blob/master/DESIGN.md#packets-dont-show-up-immediately
sleep 180
# add client user
useradd -g users -G stenographer -m testuser
# show status
systemctl status stenographer
# check if anything is listening on stenographer port 1234
netstat -tnlp | grep :1234
# query caps
su testuser -c "stenoread 'after 5m ago'"
# goodbye
systemctl stop stenographer
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