startup

#!/bin/bash

metadata_base="http://metadata.google.internal/computeMetadata/v1"
hostname=`curl -H "Metadata-Flavor: Google" $metadata_base/instance/hostname |cut -d. -f1`
fleet=`echo $hostname |cut -d- -f1`
tier=`echo $hostname |cut -d- -f2`
metro=`echo $hostname |cut -d- -f3`

echo "$fleet - $tier - $metro"

HC_ROOT=/opt/hyeoncheon

# common: install packages
apt update && \
apt install -y traceroute && \
apt install -y mtr-tiny && \
apt install -y iputils-ping && \
apt install -y tcpdump && \
apt clean


case "$fleet" in
	tester)
		echo "This is Tester. Do nothing."
		;;
	prober)
		mkdir -p $HC_ROOT/bin
		curl -s http://master/bogo -o $HC_ROOT/bin/bogo
		chmod 755 $HC_ROOT/bin/bogo

		sysctl -w net.ipv4.ping_group_range="0   2147483647"
		echo "$HC_ROOT/bin/bogo |logger -t bogo" |at now
		echo "reboot" |at 02:00 # time in UTC = 11:00 KST
		# using at command as workaround for defunct
		;;
	*)
		echo "could not determined my fleet. abort!"
		exit 1
esac

echo "done"
exit 0