1#!/bin/sh
2#
3# $FreeBSD: stable/10/release/tools/gce.conf 337908 2018-08-16 15:17:22Z gjb $
4#
5
6# Set to a list of packages to install.
7export VM_EXTRA_PACKAGES="firstboot-freebsd-update firstboot-pkgs \
8	google-cloud-sdk panicmail sudo sysutils/py-google-compute-engine \
9	lang/python lang/python2 lang/python3"
10
11# Set to a list of third-party software to enable in rc.conf(5).
12export VM_RC_LIST="ntpd sshd growfs \
13	firstboot_pkgs firstboot_freebsd_update google_startup \
14	google_accounts_daemon google_clock_skew_daemon \
15	google_instance_setup google_network_daemon"
16
17vm_extra_install_base() {
18	echo 'search google.internal' > ${DESTDIR}/etc/resolv.conf
19	echo 'nameserver 169.254.169.254' >> ${DESTDIR}/etc/resolv.conf
20	echo 'nameserver 8.8.8.8' >> ${DESTDIR}/etc/resolv.conf
21}
22
23vm_extra_pre_umount() {
24	# Enable growfs on every boot, not only the first, as as instance's disk can
25	# be enlarged post-creation
26	sed -i -e '/KEYWORD: firstboot/d' /etc/rc.d/growfs
27
28	cat << EOF >> ${DESTDIR}/etc/rc.conf
29dumpdev="AUTO"
30ifconfig_DEFAULT="SYNCDHCP mtu 1460"
31ntpd_sync_on_start="YES"
32# need to fill in something here
33#firstboot_pkgs_list=""
34panicmail_autosubmit="YES"
35EOF
36
37	cat << EOF >> ${DESTDIR}/boot/loader.conf
38autoboot_delay="-1"
39beastie_disable="YES"
40loader_logo="none"
41hw.memtest.tests="0"
42console="comconsole,vidconsole"
43hw.vtnet.mq_disable=1
44kern.timecounter.hardware=ACPI-safe
45aesni_load="YES"
46nvme_load="YES"
47EOF
48
49	echo '169.254.169.254 metadata.google.internal metadata' > \
50		${DESTDIR}/etc/hosts
51
52        # overwrite ntp.conf
53	cat << EOF > ${DESTDIR}/etc/ntp.conf
54server metadata.google.internal iburst
55
56restrict default kod nomodify notrap nopeer noquery
57restrict -6 default kod nomodify notrap nopeer noquery
58
59restrict 127.0.0.1
60restrict -6 ::1
61restrict 127.127.1.0
62EOF
63
64	cat << EOF >> ${DESTDIR}/etc/syslog.conf
65*.err;kern.warning;auth.notice;mail.crit                /dev/console
66EOF
67
68	cat << EOF >> ${DESTDIR}/etc/ssh/sshd_config
69ChallengeResponseAuthentication no
70X11Forwarding no
71AcceptEnv LANG
72Ciphers aes128-ctr,aes192-ctr,aes256-ctr,arcfour256,arcfour128,aes128-cbc,3des-cbc
73AllowAgentForwarding no
74ClientAliveInterval 420
75EOF
76
77	cat << EOF >> ${DESTDIR}/etc/crontab
780       3       *       *       *       root    /usr/sbin/freebsd-update cron
79EOF
80
81	cat << EOF >> ${DESTDIR}/etc/sysctl.conf
82net.inet.icmp.drop_redirect=1
83net.inet.ip.redirect=0
84net.inet.tcp.blackhole=2
85net.inet.udp.blackhole=1
86kern.ipc.somaxconn=1024
87debug.trace_on_panic=1
88debug.debugger_on_panic=0
89EOF
90
91	# To meet GCE marketplace requirements, extract the src.txz and
92	# ports.txz distributions to the target virtual machine disk image
93	# and fetch the sources for the third-party software installed on
94	# the image.
95	if [ ! -c "${DESTDIR}/dev/null" ]; then
96		mkdir -p ${DESTDIR}/dev
97		mount -t devfs devfs ${DESTDIR}/dev
98	fi
99	if [ -e "${DESTDIR}/../ftp/src.txz" ]; then
100		tar fxJ ${DESTDIR}/../ftp/src.txz -C ${DESTDIR}
101	fi
102	if [ -e "${DESTDIR}/../ftp/ports.txz" ]; then
103		tar fxJ ${DESTDIR}/../ftp/ports.txz -C ${DESTDIR}
104		_INSTALLED_PACKAGES=$(chroot ${DESTDIR} pkg info -o -q -a)
105		for PACKAGE in ${_INSTALLED_PACKAGES}; do
106			chroot ${DESTDIR} \
107				make -C /usr/ports/${PACKAGE} fetch
108		done
109	fi
110	if [ -c "${DESTDIR}/dev/null" ]; then
111		umount_loop ${DESTDIR}/dev
112	fi
113
114	## XXX: Verify this is needed.  I do not see this requirement
115	## in the docs, and it impairs the ability to boot-test a copy
116	## of the image prior to packaging for upload to GCE.
117	#sed -E -i '' 's/^([^#].*[[:space:]])on/\1off/' ${DESTDIR}/etc/ttys
118
119	touch ${DESTDIR}/firstboot
120
121	rm -f ${DESTDIR}/etc/resolv.conf
122
123	return 0
124}
125