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 google-daemon panicmail sudo firstboot-growfs \ 9 google-startup-scripts" 10 11# Set to a list of third-party software to enable in rc.conf(5). 12export VM_RC_LIST="google_accounts_manager ntpd sshd firstboot_growfs \ 13 firstboot_pkgs firstboot_freebsd_update google_startup" 14 15vm_extra_install_base() { 16 echo 'search google.internal' > ${DESTDIR}/etc/resolv.conf 17 echo 'nameserver 169.254.169.254' >> ${DESTDIR}/etc/resolv.conf 18 echo 'nameserver 8.8.8.8' >> ${DESTDIR}/etc/resolv.conf 19} 20 21vm_extra_pre_umount() { 22 cat << EOF >> ${DESTDIR}/etc/rc.conf 23dumpdev="AUTO" 24ifconfig_DEFAULT="SYNCDHCP mtu 1460" 25ntpd_sync_on_start="YES" 26# need to fill in something here 27#firstboot_pkgs_list="" 28panicmail_autosubmit="YES" 29EOF 30 31 cat << EOF >> ${DESTDIR}/boot/loader.conf 32autoboot_delay="-1" 33beastie_disable="YES" 34loader_logo="none" 35hw.memtest.tests="0" 36console="comconsole,vidconsole" 37hw.vtnet.mq_disable=1 38kern.timecounter.hardware=ACPI-safe 39aesni_load="YES" 40nvme_load="YES" 41EOF 42 43 echo '169.254.169.254 metadata.google.internal metadata' > \ 44 ${DESTDIR}/etc/hosts 45 46 # overwrite ntp.conf 47 cat << EOF > ${DESTDIR}/etc/ntp.conf 48server metadata.google.internal iburst 49 50restrict default kod nomodify notrap nopeer noquery 51restrict -6 default kod nomodify notrap nopeer noquery 52 53restrict 127.0.0.1 54restrict -6 ::1 55restrict 127.127.1.0 56EOF 57 58 cat << EOF >> ${DESTDIR}/etc/syslog.conf 59*.err;kern.warning;auth.notice;mail.crit /dev/console 60EOF 61 62 cat << EOF >> ${DESTDIR}/etc/ssh/sshd_config 63ChallengeResponseAuthentication no 64X11Forwarding no 65AcceptEnv LANG 66Ciphers aes128-ctr,aes192-ctr,aes256-ctr,arcfour256,arcfour128,aes128-cbc,3des-cbc 67AllowAgentForwarding no 68ClientAliveInterval 420 69EOF 70 71 cat << EOF >> ${DESTDIR}/etc/crontab 720 3 * * * root /usr/sbin/freebsd-update cron 73EOF 74 75 cat << EOF >> ${DESTDIR}/etc/sysctl.conf 76net.inet.icmp.drop_redirect=1 77net.inet.ip.redirect=0 78net.inet.tcp.blackhole=2 79net.inet.udp.blackhole=1 80kern.ipc.somaxconn=1024 81debug.trace_on_panic=1 82debug.debugger_on_panic=0 83EOF 84 85 ## XXX: Verify this is needed. I do not see this requirement 86 ## in the docs, and it impairs the ability to boot-test a copy 87 ## of the image prior to packaging for upload to GCE. 88 #sed -E -i '' 's/^([^#].*[[:space:]])on/\1off/' ${DESTDIR}/etc/ttys 89 90 touch ${DESTDIR}/firstboot 91 92 return 0 93} 94