#!/bin/sh
#
# $FreeBSD$
#

# Set to a list of packages to install.
export VM_EXTRA_PACKAGES="firstboot-freebsd-update firstboot-pkgs \
	google-cloud-sdk panicmail sudo firstboot-growfs \
	sysutils/py-google-compute-engine"

# Set to a list of third-party software to enable in rc.conf(5).
export VM_RC_LIST="google_accounts_manager ntpd sshd firstboot_growfs \
	firstboot_pkgs firstboot_freebsd_update google_startup \
	google_accounts_daemon google_clock_skew_daemon
	google_instance_setup google_ip_forwarding_daemon
	google_network_setup"

vm_extra_install_base() {
	echo 'search google.internal' > ${DESTDIR}/etc/resolv.conf
	echo 'nameserver 169.254.169.254' >> ${DESTDIR}/etc/resolv.conf
	echo 'nameserver 8.8.8.8' >> ${DESTDIR}/etc/resolv.conf
}

vm_extra_pre_umount() {
	cat << EOF >> ${DESTDIR}/etc/rc.conf
dumpdev="AUTO"
ifconfig_DEFAULT="SYNCDHCP mtu 1460"
ntpd_sync_on_start="YES"
# need to fill in something here
#firstboot_pkgs_list=""
panicmail_autosubmit="YES"
EOF

	cat << EOF >> ${DESTDIR}/boot/loader.conf
autoboot_delay="-1"
beastie_disable="YES"
loader_logo="none"
hw.memtest.tests="0"
console="comconsole,vidconsole"
hw.vtnet.mq_disable=1
kern.timecounter.hardware=ACPI-safe
aesni_load="YES"
nvme_load="YES"
EOF

	echo '169.254.169.254 metadata.google.internal metadata' > \
		${DESTDIR}/etc/hosts

        # overwrite ntp.conf
	cat << EOF > ${DESTDIR}/etc/ntp.conf
server metadata.google.internal iburst

restrict default kod nomodify notrap nopeer noquery
restrict -6 default kod nomodify notrap nopeer noquery

restrict 127.0.0.1
restrict -6 ::1
restrict 127.127.1.0
EOF

	cat << EOF >> ${DESTDIR}/etc/syslog.conf
*.err;kern.warning;auth.notice;mail.crit                /dev/console
EOF

	cat << EOF >> ${DESTDIR}/etc/ssh/sshd_config
ChallengeResponseAuthentication no
X11Forwarding no
AcceptEnv LANG
Ciphers aes128-ctr,aes192-ctr,aes256-ctr,arcfour256,arcfour128,aes128-cbc,3des-cbc
AllowAgentForwarding no
ClientAliveInterval 420
EOF

	cat << EOF >> ${DESTDIR}/etc/crontab
0       3       *       *       *       root    /usr/sbin/freebsd-update cron
EOF

	cat << EOF >> ${DESTDIR}/etc/sysctl.conf
net.inet.icmp.drop_redirect=1
net.inet.ip.redirect=0
net.inet.tcp.blackhole=2
net.inet.udp.blackhole=1
kern.ipc.somaxconn=1024
debug.trace_on_panic=1
debug.debugger_on_panic=0
EOF

	## XXX: Verify this is needed.  I do not see this requirement
	## in the docs, and it impairs the ability to boot-test a copy
	## of the image prior to packaging for upload to GCE.
	#sed -E -i '' 's/^([^#].*[[:space:]])on/\1off/' ${DESTDIR}/etc/ttys

	touch ${DESTDIR}/firstboot

	rm -f ${DESTDIR}/etc/resolv.conf

	return 0
}