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Diffstat (limited to '_drafts/autoinstall-openbsd-on-qemu.sh')
| -rw-r--r-- | _drafts/autoinstall-openbsd-on-qemu.sh | 225 |
1 files changed, 0 insertions, 225 deletions
diff --git a/_drafts/autoinstall-openbsd-on-qemu.sh b/_drafts/autoinstall-openbsd-on-qemu.sh deleted file mode 100644 index d700482..0000000 --- a/_drafts/autoinstall-openbsd-on-qemu.sh +++ /dev/null @@ -1,225 +0,0 @@ -#! /bin/sh - -# Auto-install OpenBSD/amd64 6.7 on QEMU. -# -# First published at https://www.skreutz.com/posts/autoinstall-openbsd-on-qemu/ -# on 21 July 2020. -# -# Copyright (c) 2020 Stefan Kreutz <mail@skreutz.com> -# -# Permission to use, copy, modify, and distribute this software for any purpose -# with or without fee is hereby granted, provided that the above copyright -# notice and this permission notice appear in all copies. -# -# THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH -# REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY -# AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, -# INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM -# LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR -# OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR -# PERFORMANCE OF THIS SOFTWARE. - -set -o errexit -set -o nounset - -# Trusted HTTPS OpenBSD mirror to fetch the base public key from. -HTTPS_MIRROR="${HTTPS_MIRROR-https://ftp.openbsd.org/pub/OpenBSD/}" - -# Untrusted rsync OpenBSD mirror. -RSYNC_MIRROR="${RSYNC_MIRROR-rsync://ftp.halifax.rwth-aachen.de/openbsd/}" - -# File name of the disk image. -DISK_FILE="${DISK_FILE-disk.qcow2}" - -# Size of the disk image. -DISK_SIZE="${DISK_SIZE-24G}" - -# Number of virtual CPUs. -CPU_COUNT="${CPU_COUNT-4}" - -# Size of virtual memory. -MEMORY_SIZE="${MEMORY_SIZE-4G}" - -# File name of the public SSH key to authorize. -SSH_KEY="${SSH_KEY-${HOME}/.ssh/id_rsa.pub}" - -# Check required commands. -for cmd in curl qemu-img qemu-system-x86_64 rsync signify socat ssh -do - if ! command -v "${cmd}" >/dev/null - then - ( >&2 printf "command not found: %s\\n" "${cmd}" ) - exit 1 - fi -done - -# Fetch base public key from trusted HTTPS mirror. -mkdir -p mirror/pub/OpenBSD/6.7 -if [ ! -e mirror/pub/OpenBSD/6.7/openbsd-67-base.pub ] -then - curl \ - --silent \ - --output mirror/pub/OpenBSD/6.7/openbsd-67-base.pub \ - "${HTTPS_MIRROR}6.7/openbsd-67-base.pub" - printf "Fetched base public key from %s\\n" "${HTTPS_MIRROR}" -fi - -# Fetch kernel, PXE bootstrap program, and file sets from untrusted rsync -# mirror. -if [ ! -d mirror/pub/OpenBSD/6.7/amd64 ] -then - mkdir -p tmp - printf "Fetching installation files ...\\n" - rsync --archive --files-from=- --quiet \ - "${RSYNC_MIRROR}6.7/amd64/" \ - tmp/ \ - << EOF -SHA256.sig -base67.tgz -bsd -bsd.mp -bsd.rd -comp67.tgz -game67.tgz -man67.tgz -pxeboot -xbase67.tgz -xfont67.tgz -xserv67.tgz -xshare67.tgz -EOF - ( cd tmp && signify -C -q \ - -p ../mirror/pub/OpenBSD/6.7/openbsd-67-base.pub \ - -x SHA256.sig \ - -- bsd bsd.* pxeboot *67.tgz ) - mv tmp mirror/pub/OpenBSD/6.7/amd64 - printf "Fetched kernel, PXE bootstrap program, and file sets from %s\\n" "${RSYNC_MIRROR}" -fi - -# Create autoinstall configuration if not exists. -if [ ! -e mirror/install.conf ] -then - cat << EOF > mirror/install.conf -Change the default console to com0 = yes -Which speed should com0 use = 115200 -System hostname = openbsd -Password for root = ************* -Allow root ssh login = no -Setup a user = puffy -Password for user = ************* -Public ssh key for user = $( cat "${SSH_KEY}" ) -What timezone are you in = UTC -Location of sets = http -HTTP Server = 10.0.2.1 -Unable to connect using https. Use http instead = yes -URL to autopartitioning template for disklabel = http://10.0.2.1/disklabel -Set name(s) = site67.tgz -Checksum test for site67.tgz failed. Continue anyway = yes -Unverified sets: site67.tgz. Continue without verification = yes -EOF - printf "Created example response file for autoinstall(8) at ./mirror/install.conf\\n" -fi - -# Create disklabel configuration if not exists. -if [ ! -e mirror/disklabel ] -then - cat << EOF > mirror/disklabel -/ 2G -swap 8G -/tmp 1G -/var 1G -/usr 2G -/usr/X11R6 500M -/usr/local 4G -/usr/src 1M -/usr/obj 1M -/home 4G -EOF - printf "Created example disklabel(8) template at ./mirror/disklabel.conf\\n" -fi - -# Create site-specific file set if not exists. -if [ ! -d site ] -then - mkdir site - cat << EOF > site/install.site -#! /bin/ksh - -set -o errexit - -# Reset OpenBSD mirror server used by pkg_add(1) and other commands. -echo "https://cdn.openbsd.org/pub/OpenBSD" > /etc/installurl - -# Permit user group wheel to run any command as root without entering their -# password using doas(1). -echo "permit nopass keepenv :wheel" > /etc/doas.conf - -# Patch the base system on the first boot. -#echo "syspatch && shutdown -r now" >> /etc/rc.firsttime -EOF - chmod +x site/install.site - printf "Created example site-specific file set at ./site\\n" -fi - -# Package site-specific file set if not exists or changed. -site_dir_changed="$( find site -exec stat -c %Y {} \; | sort -r | head -n 1 )" -if [ ! -e mirror/pub/OpenBSD/6.7/amd64/site67.tgz ] || [ "$( stat -c %Y mirror/pub/OpenBSD/6.7/amd64/site67.tgz )" -lt "${site_dir_changed}" ] -then - rm -f mirror/pub/OpenBSD/6.7/amd64/site67.tgz - ( cd site && tar -czf ../mirror/pub/OpenBSD/6.7/amd64/site67.tgz . ) - ( cd mirror/pub/OpenBSD/6.7/amd64 && ls -l > index.txt ) -fi - -# Create TFTP directory if not exists. -if [ ! -d tftp ] -then - mkdir tftp - ln -s ../mirror/pub/OpenBSD/6.7/amd64/pxeboot tftp/auto_install - ln -s ../mirror/pub/OpenBSD/6.7/amd64/bsd.rd tftp/bsd.rd - mkdir tftp/etc - cat << EOF > tftp/etc/boot.conf -stty com0 115200 -set tty com0 -boot tftp:/bsd.rd -EOF - printf "Created example boot(8) configuration at ./tftp/etc/boot.conf\\n" -fi - -# Remove existing disk image if configuration changed. -if [ -e "${DISK_FILE}" ] -then - vm_created="$( stat -c %W "${DISK_FILE}" )" - for f in mirror/install.conf mirror/disklabel mirror/pub/OpenBSD/6.7/amd64/site67.tgz tftp/etc/boot.conf - do - if [ "${vm_created}" -lt "$( stat -c %Y "$f" )" ] - then - printf "Re-creating virtual machine due to changed configuration: %s\\n" "$f" - rm "${DISK_FILE}" - fi - done -fi - -# Create disk image if not exists. -if [ ! -e "${DISK_FILE}" ] -then - qemu-img create -q -f qcow2 "${DISK_FILE}" "${DISK_SIZE}" - printf "Created %s copy-on-write disk image at %s\\n" "${DISK_SIZE}" "${DISK_FILE}" -fi - -# Wait until ./mirror is served at http://127.0.0.1:8080/. -while [ ! "$( curl --silent --location --write-out '%{http_code}\n' --output /dev/null http://127.0.0.1:8080/install.conf )" = 200 ] -do - ( >&2 printf "Please serve the directory ./mirror at http://127.0.0.1:8080/\n" ) - sleep 5 -done - -# Auto-install OpenBSD. -printf "Starting virtual machine ...\\n" -qemu-system-x86_64 \ - -enable-kvm \ - -smp "cpus=${CPU_COUNT}" \ - -m "${MEMORY_SIZE}" \ - -drive "file=${DISK_FILE},media=disk,if=virtio" \ - -device e1000,netdev=n1 \ - -netdev "user,id=n1,hostname=openbsd-vm,tftp-server-name=10.0.2.1,tftp=tftp,bootfile=auto_install,hostfwd=tcp::2222-:22,guestfwd=tcp:10.0.2.1:80-cmd:socat STDIO TCP4:127.0.0.1:8080" \ - -nographic |