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 # Enable growfs on every boot, not only the first, as as instance's disk can 28 # be enlarged post-creation 29 sed -i -e '/KEYWORD: firstboot/d' /etc/rc.d/growfs 30 31 cat << EOF >> ${DESTDIR}/etc/rc.conf 32dumpdev="AUTO" 33ifconfig_DEFAULT="SYNCDHCP mtu 1460" 34ntpd_sync_on_start="YES" 35# need to fill in something here 36#firstboot_pkgs_list="" 37panicmail_autosubmit="YES" 38EOF 39 40 cat << EOF >> ${DESTDIR}/boot/loader.conf 41autoboot_delay="-1" 42beastie_disable="YES" 43loader_logo="none" 44hw.memtest.tests="0" 45console="comconsole,vidconsole" 46hw.vtnet.mq_disable=1 47kern.timecounter.hardware=ACPI-safe 48aesni_load="YES" 49nvme_load="YES" 50EOF 51 52 echo '169.254.169.254 metadata.google.internal metadata' >> \ 53 ${DESTDIR}/etc/hosts 54 55 # overwrite ntp.conf 56 cat << EOF > ${DESTDIR}/etc/ntp.conf 57server metadata.google.internal iburst 58 59restrict default kod nomodify notrap nopeer noquery 60restrict -6 default kod nomodify notrap nopeer noquery 61 62restrict 127.0.0.1 63restrict -6 ::1 64restrict 127.127.1.0 65EOF 66 67 cat << EOF >> ${DESTDIR}/etc/syslog.conf 68*.err;kern.warning;auth.notice;mail.crit /dev/console 69EOF 70 71 cat << EOF >> ${DESTDIR}/etc/ssh/sshd_config 72KbdInteractiveAuthentication no 73X11Forwarding no 74AcceptEnv LANG 75AllowAgentForwarding no 76ClientAliveInterval 420 77EOF 78 79 cat << EOF >> ${DESTDIR}/etc/crontab 800 3 * * * root /usr/sbin/freebsd-update cron 81EOF 82 83 cat << EOF >> ${DESTDIR}/etc/sysctl.conf 84net.inet.icmp.drop_redirect=1 85net.inet.ip.redirect=0 86net.inet.tcp.blackhole=2 87net.inet.udp.blackhole=1 88kern.ipc.soacceptqueue=1024 89debug.trace_on_panic=1 90debug.debugger_on_panic=0 91EOF 92 93 # To meet GCE marketplace requirements, extract the src.txz and 94 # ports.txz distributions to the target virtual machine disk image 95 # and fetch the sources for the third-party software installed on 96 # the image. 97 if [ ! -c "${DESTDIR}/dev/null" ]; then 98 mkdir -p ${DESTDIR}/dev 99 mount -t devfs devfs ${DESTDIR}/dev 100 fi 101 if [ -e "${DESTDIR}/../ftp/src.txz" ]; then 102 tar fxJ ${DESTDIR}/../ftp/src.txz -C ${DESTDIR} 103 fi 104 if [ -e "${DESTDIR}/../ftp/ports.txz" ]; then 105 tar fxJ ${DESTDIR}/../ftp/ports.txz -C ${DESTDIR} 106 _INSTALLED_PACKAGES=$(chroot ${DESTDIR} pkg info -o -q -a) 107 for PACKAGE in ${_INSTALLED_PACKAGES}; do 108 chroot ${DESTDIR} \ 109 make -C /usr/ports/${PACKAGE} fetch 110 done 111 fi 112 if [ -c "${DESTDIR}/dev/null" ]; then 113 umount_loop ${DESTDIR}/dev 114 fi 115 116 ## XXX: Verify this is needed. I do not see this requirement 117 ## in the docs, and it impairs the ability to boot-test a copy 118 ## of the image prior to packaging for upload to GCE. 119 #sed -E -i '' 's/^([^#].*[[:space:]])on/\1off/' ${DESTDIR}/etc/ttys 120 121 touch ${DESTDIR}/firstboot 122 123 rm -f ${DESTDIR}/etc/resolv.conf 124 125 return 0 126} 127