#!/bin/sh # # $FreeBSD$ # # Set to a list of packages to install. export VM_EXTRA_PACKAGES="firstboot-freebsd-update firstboot-pkgs \ google-cloud-sdk google-daemon panicmail sudo firstboot-growfs \ google-startup-scripts" # Set to a list of third-party software to enable in rc.conf(5). export VM_RC_LIST="google_accounts_manager ntpd sshd firstboot_growfs \ firstboot_pkgs firstboot_freebsd_update google_startup" vm_extra_install_base() { echo 'search google.internal' > ${DESTDIR}/etc/resolv.conf echo 'nameserver 169.254.169.254' >> ${DESTDIR}/etc/resolv.conf echo 'nameserver 8.8.8.8' >> ${DESTDIR}/etc/resolv.conf } vm_extra_pre_umount() { cat << EOF >> ${DESTDIR}/etc/rc.conf dumpdev="AUTO" ifconfig_DEFAULT="SYNCDHCP mtu 1460" ntpd_sync_on_start="YES" # need to fill in something here #firstboot_pkgs_list="" panicmail_autosubmit="YES" EOF cat << EOF >> ${DESTDIR}/boot/loader.conf autoboot_delay="-1" beastie_disable="YES" loader_logo="none" hw.memtest.tests="0" console="comconsole,vidconsole" hw.vtnet.mq_disable=1 kern.timecounter.hardware=ACPI-safe aesni_load="YES" nvme_load="YES" EOF echo '169.254.169.254 metadata.google.internal metadata' > \ ${DESTDIR}/etc/hosts # overwrite ntp.conf cat << EOF > ${DESTDIR}/etc/ntp.conf server metadata.google.internal iburst restrict default kod nomodify notrap nopeer noquery restrict -6 default kod nomodify notrap nopeer noquery restrict 127.0.0.1 restrict -6 ::1 restrict 127.127.1.0 EOF cat << EOF >> ${DESTDIR}/etc/syslog.conf *.err;kern.warning;auth.notice;mail.crit /dev/console EOF cat << EOF >> ${DESTDIR}/etc/ssh/sshd_config ChallengeResponseAuthentication no X11Forwarding no AcceptEnv LANG Ciphers aes128-ctr,aes192-ctr,aes256-ctr,arcfour256,arcfour128,aes128-cbc,3des-cbc AllowAgentForwarding no ClientAliveInterval 420 EOF cat << EOF >> ${DESTDIR}/etc/crontab 0 3 * * * root /usr/sbin/freebsd-update cron EOF cat << EOF >> ${DESTDIR}/etc/sysctl.conf net.inet.icmp.drop_redirect=1 net.inet.ip.redirect=0 net.inet.tcp.blackhole=2 net.inet.udp.blackhole=1 kern.ipc.somaxconn=1024 debug.trace_on_panic=1 debug.debugger_on_panic=0 EOF ## XXX: Verify this is needed. I do not see this requirement ## in the docs, and it impairs the ability to boot-test a copy ## of the image prior to packaging for upload to GCE. #sed -E -i '' 's/^([^#].*[[:space:]])on/\1off/' ${DESTDIR}/etc/ttys touch ${DESTDIR}/firstboot return 0 }