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 firstboot-growfs \ 9 sysutils/py-google-compute-engine" 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 google_accounts_daemon google_clock_skew_daemon 15 google_instance_setup google_ip_forwarding_daemon 16 google_network_setup" 17 18vm_extra_install_base() { 19 echo 'search google.internal' > ${DESTDIR}/etc/resolv.conf 20 echo 'nameserver 169.254.169.254' >> ${DESTDIR}/etc/resolv.conf 21 echo 'nameserver 8.8.8.8' >> ${DESTDIR}/etc/resolv.conf 22} 23 24vm_extra_pre_umount() { 25 cat << EOF >> ${DESTDIR}/etc/rc.conf 26dumpdev="AUTO" 27ifconfig_DEFAULT="SYNCDHCP mtu 1460" 28ntpd_sync_on_start="YES" 29# need to fill in something here 30#firstboot_pkgs_list="" 31panicmail_autosubmit="YES" 32EOF 33 34 cat << EOF >> ${DESTDIR}/boot/loader.conf 35autoboot_delay="-1" 36beastie_disable="YES" 37loader_logo="none" 38hw.memtest.tests="0" 39console="comconsole,vidconsole" 40hw.vtnet.mq_disable=1 41kern.timecounter.hardware=ACPI-safe 42aesni_load="YES" 43nvme_load="YES" 44EOF 45 46 echo '169.254.169.254 metadata.google.internal metadata' > \ 47 ${DESTDIR}/etc/hosts 48 49 # overwrite ntp.conf 50 cat << EOF > ${DESTDIR}/etc/ntp.conf 51server metadata.google.internal iburst 52 53restrict default kod nomodify notrap nopeer noquery 54restrict -6 default kod nomodify notrap nopeer noquery 55 56restrict 127.0.0.1 57restrict -6 ::1 58restrict 127.127.1.0 59EOF 60 61 cat << EOF >> ${DESTDIR}/etc/syslog.conf 62*.err;kern.warning;auth.notice;mail.crit /dev/console 63EOF 64 65 cat << EOF >> ${DESTDIR}/etc/ssh/sshd_config 66ChallengeResponseAuthentication no 67X11Forwarding no 68AcceptEnv LANG 69Ciphers aes128-ctr,aes192-ctr,aes256-ctr,arcfour256,arcfour128,aes128-cbc,3des-cbc 70AllowAgentForwarding no 71ClientAliveInterval 420 72EOF 73 74 cat << EOF >> ${DESTDIR}/etc/crontab 750 3 * * * root /usr/sbin/freebsd-update cron 76EOF 77 78 cat << EOF >> ${DESTDIR}/etc/sysctl.conf 79net.inet.icmp.drop_redirect=1 80net.inet.ip.redirect=0 81net.inet.tcp.blackhole=2 82net.inet.udp.blackhole=1 83kern.ipc.somaxconn=1024 84debug.trace_on_panic=1 85debug.debugger_on_panic=0 86EOF 87 88 ## XXX: Verify this is needed. I do not see this requirement 89 ## in the docs, and it impairs the ability to boot-test a copy 90 ## of the image prior to packaging for upload to GCE. 91 #sed -E -i '' 's/^([^#].*[[:space:]])on/\1off/' ${DESTDIR}/etc/ttys 92 93 touch ${DESTDIR}/firstboot 94 95 rm -f ${DESTDIR}/etc/resolv.conf 96 97 return 0 98} 99