1#!/bin/sh 2# 3# $FreeBSD$ 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 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