startupscript

startupscript.sh

#! /bin/bash
# Author - Rajathithan Rajasekar 

# install gcp logging agent
curl -sSO https://dl.google.com/cloudagents/install-logging-agent.sh
sudo bash install-logging-agent.sh

# setup a configuration for startup-script logs only
sudo cat > /etc/google-fluentd/config.d/service-now-test.conf <<- EOM
<source>
    @type tail
    # Format 'none' indicates the log is unstructured (text).
    format none
    # The path of the log file.
    path /tmp/service-now-test.log
    # The path of the position file that records where in the log file
    # we have processed already. This is useful when the agent
    # restarts.
    pos_file /var/lib/google-fluentd/pos/service-now-test.pos
    read_from_head true
    # The log tag for this log input.
    tag service-now-test
</source>
EOM


# startup-script content
# ...

sudo cat > /etc/init.d/service-now-test.sh <<- EOF
#! /bin/bash
while true; do 
  	sleep 60
	echo "Cloud router is down" >> /tmp/service-now-test.log
	sleep 300
	echo "Cloud router is up" >> /tmp/service-now-test.log
  	sleep 300
done
EOF

sudo chmod +x /etc/init.d/service-now-test.sh

#sudo update-rc.d /etc/init.d/service-now-test.sh defaults

#(crontab -l 2>/dev/null; echo "@reboot /etc/init.d/service-now-test.sh") | crontab -

sudo cat > /etc/logrotate.d/service-now-test <<- EOF
/tmp/service-now-test.log
{
        rotate 1
        daily
        missingok
        notifempty
        delaycompress
        compress
        postrotate
        endscript
}
EOF


# restart logging agent
sudo service google-fluentd restart