gce.conf revision 337710 
1#!/bin/sh
2#
3# $FreeBSD: stable/10/release/tools/gce.conf 337710 2018-08-13 14:24:00Z 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
10# Set to a list of third-party software to enable in rc.conf(5).
11export VM_RC_LIST="ntpd sshd growfs\
12	firstboot_pkgs firstboot_freebsd_update google_startup \
13	google_accounts_daemon google_clock_skew_daemon \
14	google_instance_setup google_network_daemon"
15
16vm_extra_install_base() {
17	echo 'search google.internal' > ${DESTDIR}/etc/resolv.conf
18	echo 'nameserver 169.254.169.254' >> ${DESTDIR}/etc/resolv.conf
19	echo 'nameserver 8.8.8.8' >> ${DESTDIR}/etc/resolv.conf
20}
21
22vm_extra_pre_umount() {
23	# Enable growfs on every boot, not only the first, as as instance's disk can
24	# be enlarged post-creation
25	sed -i -e '/KEYWORD: firstboot/d' /etc/rc.d/growfs
26
27	cat << EOF >> ${DESTDIR}/etc/rc.conf
28dumpdev="AUTO"
29ifconfig_DEFAULT="SYNCDHCP mtu 1460"
30ntpd_sync_on_start="YES"
31# need to fill in something here
32#firstboot_pkgs_list=""
33panicmail_autosubmit="YES"
34EOF
35
36	cat << EOF >> ${DESTDIR}/boot/loader.conf
37autoboot_delay="-1"
38beastie_disable="YES"
39loader_logo="none"
40hw.memtest.tests="0"
41console="comconsole,vidconsole"
42hw.vtnet.mq_disable=1
43kern.timecounter.hardware=ACPI-safe
44aesni_load="YES"
45nvme_load="YES"
46EOF
47
48	echo '169.254.169.254 metadata.google.internal metadata' > \
49		${DESTDIR}/etc/hosts
50
51        # overwrite ntp.conf
52	cat << EOF > ${DESTDIR}/etc/ntp.conf
53server metadata.google.internal iburst
54
55restrict default kod nomodify notrap nopeer noquery
56restrict -6 default kod nomodify notrap nopeer noquery
57
58restrict 127.0.0.1
59restrict -6 ::1
60restrict 127.127.1.0
61EOF
62
63	cat << EOF >> ${DESTDIR}/etc/syslog.conf
64*.err;kern.warning;auth.notice;mail.crit                /dev/console
65EOF
66
67	cat << EOF >> ${DESTDIR}/etc/ssh/sshd_config
68ChallengeResponseAuthentication no
69X11Forwarding no
70AcceptEnv LANG
71Ciphers aes128-ctr,aes192-ctr,aes256-ctr,arcfour256,arcfour128,aes128-cbc,3des-cbc
72AllowAgentForwarding no
73ClientAliveInterval 420
74EOF
75
76	cat << EOF >> ${DESTDIR}/etc/crontab
770       3       *       *       *       root    /usr/sbin/freebsd-update cron
78EOF
79
80	cat << EOF >> ${DESTDIR}/etc/sysctl.conf
81net.inet.icmp.drop_redirect=1
82net.inet.ip.redirect=0
83net.inet.tcp.blackhole=2
84net.inet.udp.blackhole=1
85kern.ipc.somaxconn=1024
86debug.trace_on_panic=1
87debug.debugger_on_panic=0
88EOF
89
90	# To meet GCE marketplace requirements, extract the src.txz and
91	# ports.txz distributions to the target virtual machine disk image
92	# and fetch the sources for the third-party software installed on
93	# the image.
94	if [ ! -c "${DESTDIR}/dev/null" ]; then
95		mkdir -p ${DESTDIR}/dev
96		mount -t devfs devfs ${DESTDIR}/dev
97	fi
98	if [ -e "${DESTDIR}/../ftp/src.txz" ]; then
99		tar fxJ ${DESTDIR}/../ftp/src.txz -C ${DESTDIR}
100	fi
101	if [ -e "${DESTDIR}/../ftp/ports.txz" ]; then
102		tar fxJ ${DESTDIR}/../ftp/ports.txz -C ${DESTDIR}
103		_INSTALLED_PACKAGES=$(chroot ${DESTDIR} pkg info -o -q -a)
104		for PACKAGE in ${_INSTALLED_PACKAGES}; do
105			chroot ${DESTDIR} \
106				make -C /usr/ports/${PACKAGE} fetch
107		done
108	fi
109	if [ -c "${DESTDIR}/dev/null" ]; then
110		umount_loop ${DESTDIR}/dev
111	fi
112
113	## XXX: Verify this is needed.  I do not see this requirement
114	## in the docs, and it impairs the ability to boot-test a copy
115	## of the image prior to packaging for upload to GCE.
116	#sed -E -i '' 's/^([^#].*[[:space:]])on/\1off/' ${DESTDIR}/etc/ttys
117
118	touch ${DESTDIR}/firstboot
119
120	rm -f ${DESTDIR}/etc/resolv.conf
121
122	return 0
123}
124