1#!/bin/sh 2# 3# 4 5# The default of 3GB is too small for GCE, so override the size here. 6export VMSIZE=20g 7 8# Set to a list of packages to install. 9export VM_EXTRA_PACKAGES="${VM_EXTRA_PACKAGES} firstboot-freebsd-update \ 10 firstboot-pkgs google-cloud-sdk panicmail sudo \ 11 sysutils/py-google-compute-engine lang/python \ 12 lang/python3" 13 14# Set to a list of third-party software to enable in rc.conf(5). 15export VM_RC_LIST="ntpd sshd growfs \ 16 firstboot_pkgs firstboot_freebsd_update google_startup \ 17 google_accounts_daemon google_clock_skew_daemon \ 18 google_instance_setup google_network_daemon" 19 20vm_extra_install_base() { 21 echo 'search google.internal' > ${DESTDIR}/etc/resolv.conf 22 echo 'nameserver 169.254.169.254' >> ${DESTDIR}/etc/resolv.conf 23 echo 'nameserver 8.8.8.8' >> ${DESTDIR}/etc/resolv.conf 24} 25 26vm_extra_pre_umount() { 27 local DEVFSISOURS 28 29 # Enable growfs on every boot, not only the first, as as instance's disk can 30 # be enlarged post-creation 31 sed -i -e '/KEYWORD: firstboot/d' /etc/rc.d/growfs 32 33 cat << EOF >> ${DESTDIR}/etc/rc.conf 34dumpdev="AUTO" 35ifconfig_DEFAULT="SYNCDHCP mtu 1460" 36ntpd_sync_on_start="YES" 37# need to fill in something here 38#firstboot_pkgs_list="" 39panicmail_autosubmit="YES" 40EOF 41 42 cat << EOF >> ${DESTDIR}/boot/loader.conf 43autoboot_delay="-1" 44beastie_disable="YES" 45loader_logo="none" 46hw.memtest.tests="0" 47console="comconsole,vidconsole" 48hw.vtnet.mq_disable=1 49kern.timecounter.hardware=ACPI-safe 50aesni_load="YES" 51nvme_load="YES" 52EOF 53 54 echo '169.254.169.254 metadata.google.internal metadata' >> \ 55 ${DESTDIR}/etc/hosts 56 57 # overwrite ntp.conf 58 cat << EOF > ${DESTDIR}/etc/ntp.conf 59server metadata.google.internal iburst 60 61restrict default kod nomodify notrap nopeer noquery 62restrict -6 default kod nomodify notrap nopeer noquery 63 64restrict 127.0.0.1 65restrict -6 ::1 66restrict 127.127.1.0 67EOF 68 69 cat << EOF >> ${DESTDIR}/etc/syslog.conf 70*.err;kern.warning;auth.notice;mail.crit /dev/console 71EOF 72 73 cat << EOF >> ${DESTDIR}/etc/ssh/sshd_config 74KbdInteractiveAuthentication no 75X11Forwarding no 76AcceptEnv LANG 77AllowAgentForwarding no 78ClientAliveInterval 420 79EOF 80 81 cat << EOF >> ${DESTDIR}/etc/crontab 820 3 * * * root /usr/sbin/freebsd-update cron 83EOF 84 85 cat << EOF >> ${DESTDIR}/etc/sysctl.conf 86net.inet.icmp.drop_redirect=1 87net.inet.ip.redirect=0 88kern.ipc.soacceptqueue=1024 89debug.trace_on_panic=1 90debug.debugger_on_panic=0 91EOF 92 93 # To meet GCE marketplace requirements, extract the src.txz and 94 # ports.txz distributions to the target virtual machine disk image 95 # and fetch the sources for the third-party software installed on 96 # the image. 97 if [ ! -c "${DESTDIR}/dev/null" ]; then 98 DEVFSISOURS=1 99 mkdir -p ${DESTDIR}/dev 100 mount -t devfs devfs ${DESTDIR}/dev 101 fi 102 if [ -e "${DESTDIR}/../ftp/src.txz" ]; then 103 tar fxJ ${DESTDIR}/../ftp/src.txz -C ${DESTDIR} 104 fi 105 if [ -e "${DESTDIR}/../ftp/ports.txz" ]; then 106 tar fxJ ${DESTDIR}/../ftp/ports.txz -C ${DESTDIR} 107 _INSTALLED_PACKAGES=$(chroot ${DESTDIR} pkg info -o -q -a) 108 for PACKAGE in ${_INSTALLED_PACKAGES}; do 109 chroot ${DESTDIR} \ 110 make -C /usr/ports/${PACKAGE} fetch 111 done 112 fi 113 if [ "$DEVFSISOURS" = "1" ]; then 114 umount_loop ${DESTDIR}/dev 115 fi 116 117 ## XXX: Verify this is needed. I do not see this requirement 118 ## in the docs, and it impairs the ability to boot-test a copy 119 ## of the image prior to packaging for upload to GCE. 120 #sed -E -i '' 's/^([^#].*[[:space:]])on/\1off/' ${DESTDIR}/etc/ttys 121 122 touch ${DESTDIR}/firstboot 123 124 return 0 125} 126 127# Do everything except deleting resolv.conf since we construct our own 128# Googlized resolv.conf file in vm_extra_install_base. 129vm_emulation_cleanup() { 130 if [ -n "${QEMUSTATIC}" ]; then 131 rm -f ${DESTDIR}/${EMULATOR} 132 fi 133 umount_loop ${DESTDIR}/dev 134 return 0 135} 136