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Kris Lamoureux 2022-09-24 23:11:29 -04:00
parent b27680e17e
commit 4c5663b28b
7 changed files with 247 additions and 494 deletions
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1
.gitignore vendored
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packer_cache
output

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README.md
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Debian ZFS installation
# Debian ZFS installation
## Development
`PKR_VAR_password=$(pwgen -s 8 1) packer build .`
## Using `debianzfs.sh`
1. Download script
2. `chmod +x debianzfs.sh`
3. `./debianzfs.sh /dev/sdX`
4. Profit

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debianzfs.pkr.hcl
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source "qemu" "debianzfs" {
iso_url = "https://cdimage.debian.org/debian-cd/current/amd64/iso-cd/debian-11.5.0-amd64-netinst.iso"
iso_checksum = "sha512:6a6607a05d57b7c62558e9c462fe5c6c04b9cfad2ce160c3e9140aa4617ab73aff7f5f745dfe51bbbe7b33c9b0e219a022ad682d6c327de0e53e40f079abf66a"
# Set 'password' using shell var: PKR_VAR_password=$(pwgen -s 8 1)
variable "password" {}
source "qemu" "bullseye-live" {
iso_url = "https://cdimage.debian.org/debian-cd/current-live/amd64/iso-hybrid/debian-live-11.5.0-amd64-standard.iso"
iso_checksum = "sha256:8172b188061d098080bb315972becbe9bd387c856866746cee018102cd00fc9b"
output_directory = "output"
shutdown_command = "echo 'packer' | sudo -S shutdown -P now"
#shutdown_command = "echo 'packer' | sudo -S shutdown -P now"
shutdown_command = "loljk"
disk_size = "5000M"
memory = 1024
memory = 2048
format = "qcow2"
accelerator = "kvm"
http_directory = "."
ssh_username = "root"
ssh_password = "s0m3password"
ssh_timeout = "20m"
vm_name = "tdhtest"
ssh_username = "user"
ssh_password = var.password
ssh_timeout = "5m"
vm_name = "debianzfs"
net_device = "virtio-net"
disk_interface = "virtio"
boot_wait = "3s"
boot_wait = "5s"
boot_command = [
"<esc><wait><wait>",
"install ",
"auto=true ",
"priority=critical ",
"interface=auto ",
"url=http://{{ .HTTPIP }}:{{ .HTTPPort }}/preseed.cfg ",
"passwd/user-fullname=user ",
"passwd/user-password=userpass ",
"passwd/user-password-again=userpass ",
"passwd/username=user ",
"<enter>"
"<enter><wait10>",
"<enter><wait>",
"sudo -i<enter><wait>",
"read -s userpw<enter><wait>",
"${var.password}<enter><wait>",
"PASSWORD=$(echo $userpw | openssl passwd -1 -stdin)<enter><wait>",
"usermod -p \"$PASSWORD\" user<enter><wait>",
"apt-get update && apt-get install -y ssh && \\<enter>",
"systemctl start ssh && exit<enter>"
]
}
build {
sources = ["source.qemu.debianzfs"]
name = "zfs"
sources = ["source.qemu.bullseye-live"]
provisioner "file" {
source = "debianzfs.sh"
destination = "/tmp/debianzfs.sh"
}
provisioner "shell" {
scripts = ["scripts/setup.sh"]
#scripts/autoinstall.exp"]
}
provisioner "shell" {
inline = ["sleep 99999999999"]
}
}

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debianzfs.sh Normal file
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#!/bin/bash
set -e
# argv
DISK=$1
ZFSHOST=$2
[ -z "$ZFSHOST" ] && ZFSHOST="debianzfs"
# Settings
CODENAME="bullseye"
ZFSROOT="/mnt"
# Confirm DISK choice
if [ -n "$DISK" ]; then
read -rp "You selected to OVERWRITE '${DISK}' as hostname '${ZFSHOST}', are you sure? [y/N] " yn
else
echo "ERROR: No disk selected. Pass through a disk path, e.g., ./zfslive.sh /dev/sdX"
exit 1;
fi
case $yn in
[yY] ) ;;
* ) echo "ERROR: User aborted"
exit 1;;
esac
# Stop on error
set -x
# Is the DISK path a block device?
DISK_TYPE=$(file "${DISK}" | awk '{ print $2$3 }')
if [ "$DISK_TYPE" != "blockspecial" ]; then
echo "ERROR: Disk '${DISK}' is not a block device"
exit 1;
fi
# Update sources list
SOURCES_LIST="/etc/apt/sources.list"
[ -f "$SOURCES_LIST" ] && mv "$SOURCES_LIST" "$SOURCES_LIST.$(date +%s).bak"
echo "deb http://deb.debian.org/debian/ ${CODENAME} main contrib" > "$SOURCES_LIST"
apt-get update
# Install ZFS
apt-get install -y debootstrap gdisk zfsutils-linux
# Ensure swap isn't in use
swapoff --all
# Partition
sgdisk -n2:1M:+512M -t2:EF00 "$DISK"
sgdisk -n3:0:+1G -t3:BF01 "$DISK"
sgdisk -n4:0:0 -t4:BF00 "$DISK"
# Create boot pool
zpool create -f \
-o ashift=12 \
-o autotrim=on -d \
-o cachefile=/etc/zfs/zpool.cache \
-o feature@async_destroy=enabled \
-o feature@bookmarks=enabled \
-o feature@embedded_data=enabled \
-o feature@empty_bpobj=enabled \
-o feature@enabled_txg=enabled \
-o feature@extensible_dataset=enabled \
-o feature@filesystem_limits=enabled \
-o feature@hole_birth=enabled \
-o feature@large_blocks=enabled \
-o feature@livelist=enabled \
-o feature@lz4_compress=enabled \
-o feature@spacemap_histogram=enabled \
-o feature@zpool_checkpoint=enabled \
-O devices=off \
-O acltype=posixacl -O xattr=sa \
-O compression=lz4 \
-O normalization=formD \
-O relatime=on \
-O canmount=off -O mountpoint=/boot -R "$ZFSROOT" \
bpool "${DISK}3"
# Create root pool
zpool create -f \
-o ashift=12 \
-o autotrim=on \
-O encryption=on -O keylocation=prompt -O keyformat=passphrase \
-O acltype=posixacl -O xattr=sa -O dnodesize=auto \
-O compression=lz4 \
-O normalization=formD \
-O relatime=on \
-O canmount=off -O mountpoint=/ -R "$ZFSROOT" \
rpool "${DISK}4"
# Create filesystem datasets to act as containers
zfs create -o canmount=off -o mountpoint=none rpool/ROOT
zfs create -o canmount=off -o mountpoint=none bpool/BOOT
# Create filesystem datasets for the root and boot filesystems
zfs create -o canmount=noauto -o mountpoint=/ rpool/ROOT/debian
zfs mount rpool/ROOT/debian
zfs create -o mountpoint=/boot bpool/BOOT/debian
# Create datasets
zfs create rpool/home
zfs create -o mountpoint=/root rpool/home/root
chmod 700 "$ZFSROOT/root"
zfs create -o canmount=off rpool/var
zfs create -o canmount=off rpool/var/lib
zfs create rpool/var/log
zfs create rpool/var/spool
zfs create -o com.sun:auto-snapshot=false rpool/var/cache
zfs create -o com.sun:auto-snapshot=false rpool/var/lib/nfs
zfs create -o com.sun:auto-snapshot=false rpool/var/tmp
chmod 1777 "$ZFSROOT/var/tmp"
zfs create -o canmount=off rpool/usr
zfs create rpool/usr/local
zfs create rpool/var/lib/AccountsService
zfs create rpool/var/lib/NetworkManager
zfs create -o com.sun:auto-snapshot=false rpool/var/lib/docker
# Mount a tmpfs at /run
mkdir "$ZFSROOT/run"
mount -t tmpfs tmpfs /mnt/run
mkdir "$ZFSROOT/run/lock"
# Install minimal system
debootstrap "$CODENAME" /mnt
# Copy in zpool.cache
mkdir "$ZFSROOT/etc/zfs"
cp /etc/zfs/zpool.cache "$ZFSROOT/etc/zfs/"
# Configure hostname
hostname "$ZFSHOST"
hostname > "$ZFSROOT/etc/hostname"
sed "/^127.0.0.1.*localhost/a 127.0.1.1\\t$ZFSHOST" "$ZFSROOT/etc/hosts" | tee "$ZFSROOT/etc/hosts"
# Configure network device
NETWORK_DEVICES=$(ip a | awk '$1 ~ /^[0-9][:]/ {print substr($2, 0, length($2)-1)}')
while read -r INTER; do
if [ ! "$INTER" = "lo" ]; then
cat <<-EOF > "$ZFSROOT/etc/network/interfaces.d/$INTER"
auto ${INTER}
iface ${INTER} inet dhcp
EOF
fi
done <<< "$NETWORK_DEVICES"
# Update sources list in ZFSROOT
ZFS_SOURCES_LIST="$ZFSROOT/etc/apt/sources.list"
[ -f "$ZFS_SOURCES_LIST" ] && mv "$ZFS_SOURCES_LIST" "$ZFS_SOURCES_LIST.$(date +%s).bak"
cat <<-EOF > "$ZFS_SOURCES_LIST"
deb http://deb.debian.org/debian bullseye main contrib
deb-src http://deb.debian.org/debian bullseye main contrib
deb http://deb.debian.org/debian-security bullseye-security main contrib
deb-src http://deb.debian.org/debian-security bullseye-security main contrib
deb http://deb.debian.org/debian bullseye-updates main contrib
deb-src http://deb.debian.org/debian bullseye-updates main contrib
EOF
# Copy env under ZFSROOT
env > "$ZFSROOT/var/tmp/zfsenv"
# Bind the virtual filesystems from the LiveCD environment to the new system
mount --make-private --rbind /dev /mnt/dev
mount --make-private --rbind /proc /mnt/proc
mount --make-private --rbind /sys /mnt/sys
# Chroot
cat << EOF | chroot /mnt bash --login
. /var/tmp/zfsenv
unset CDPATH
cd
apt-get update
apt-get upgrade -y
EOF

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preseed.cfg
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#_preseed_V1
#### Contents of the preconfiguration file (for bullseye)
### Localization
# Preseeding only locale sets language, country and locale.
d-i debian-installer/locale string en_US
# The values can also be preseeded individually for greater flexibility.
#d-i debian-installer/language string en
#d-i debian-installer/country string NL
#d-i debian-installer/locale string en_GB.UTF-8
# Optionally specify additional locales to be generated.
#d-i localechooser/supported-locales multiselect en_US.UTF-8, nl_NL.UTF-8
# Keyboard selection.
d-i keyboard-configuration/xkb-keymap select us
# d-i keyboard-configuration/toggle select No toggling
### Network configuration
# Disable network configuration entirely. This is useful for cdrom
# installations on non-networked devices where the network questions,
# warning and long timeouts are a nuisance.
#d-i netcfg/enable boolean false
# netcfg will choose an interface that has link if possible. This makes it
# skip displaying a list if there is more than one interface.
d-i netcfg/choose_interface select auto
# To pick a particular interface instead:
#d-i netcfg/choose_interface select eth1
# To set a different link detection timeout (default is 3 seconds).
# Values are interpreted as seconds.
#d-i netcfg/link_wait_timeout string 10
# If you have a slow dhcp server and the installer times out waiting for
# it, this might be useful.
#d-i netcfg/dhcp_timeout string 60
#d-i netcfg/dhcpv6_timeout string 60
# Automatic network configuration is the default.
# If you prefer to configure the network manually, uncomment this line and
# the static network configuration below.
#d-i netcfg/disable_autoconfig boolean true
# If you want the preconfiguration file to work on systems both with and
# without a dhcp server, uncomment these lines and the static network
# configuration below.
#d-i netcfg/dhcp_failed note
#d-i netcfg/dhcp_options select Configure network manually
# Static network configuration.
#
# IPv4 example
#d-i netcfg/get_ipaddress string 192.168.1.42
#d-i netcfg/get_netmask string 255.255.255.0
#d-i netcfg/get_gateway string 192.168.1.1
#d-i netcfg/get_nameservers string 192.168.1.1
#d-i netcfg/confirm_static boolean true
#
# IPv6 example
#d-i netcfg/get_ipaddress string fc00::2
#d-i netcfg/get_netmask string ffff:ffff:ffff:ffff::
#d-i netcfg/get_gateway string fc00::1
#d-i netcfg/get_nameservers string fc00::1
#d-i netcfg/confirm_static boolean true
# Any hostname and domain names assigned from dhcp take precedence over
# values set here. However, setting the values still prevents the questions
# from being shown, even if values come from dhcp.
d-i netcfg/get_hostname string unassigned-hostname
d-i netcfg/get_domain string unassigned-domain
# If you want to force a hostname, regardless of what either the DHCP
# server returns or what the reverse DNS entry for the IP is, uncomment
# and adjust the following line.
#d-i netcfg/hostname string somehost
# Disable that annoying WEP key dialog.
d-i netcfg/wireless_wep string
# The wacky dhcp hostname that some ISPs use as a password of sorts.
#d-i netcfg/dhcp_hostname string radish
# If non-free firmware is needed for the network or other hardware, you can
# configure the installer to always try to load it, without prompting. Or
# change to false to disable asking.
#d-i hw-detect/load_firmware boolean true
### Network console
# Use the following settings if you wish to make use of the network-console
# component for remote installation over SSH. This only makes sense if you
# intend to perform the remainder of the installation manually.
#d-i anna/choose_modules string network-console
#d-i network-console/authorized_keys_url string http://10.0.0.1/openssh-key
#d-i network-console/password password r00tme
#d-i network-console/password-again password r00tme
### Mirror settings
# Mirror protocol:
# If you select ftp, the mirror/country string does not need to be set.
# Default value for the mirror protocol: http.
#d-i mirror/protocol string ftp
d-i mirror/country string manual
d-i mirror/http/hostname string http.us.debian.org
d-i mirror/http/directory string /debian
d-i mirror/http/proxy string
# Suite to install.
#d-i mirror/suite string testing
# Suite to use for loading installer components (optional).
#d-i mirror/udeb/suite string testing
### Account setup
# Skip creation of a root account (normal user account will be able to
# use sudo).
#d-i passwd/root-login boolean false
# Alternatively, to skip creation of a normal user account.
#d-i passwd/make-user boolean false
# Root password, either in clear text
#d-i passwd/root-password password r00tme
#d-i passwd/root-password-again password r00tme
# or encrypted using a crypt(3) hash.
#d-i passwd/root-password-crypted password [crypt(3) hash]
# To create a normal user account.
#d-i passwd/user-fullname string Debian User
#d-i passwd/username string debian
# Normal user's password, either in clear text
#d-i passwd/user-password password insecure
#d-i passwd/user-password-again password insecure
# or encrypted using a crypt(3) hash.
#d-i passwd/user-password-crypted password [crypt(3) hash]
# Create the first user with the specified UID instead of the default.
#d-i passwd/user-uid string 1010
# The user account will be added to some standard initial groups. To
# override that, use this.
#d-i passwd/user-default-groups string audio cdrom video
### Clock and time zone setup
# Controls whether or not the hardware clock is set to UTC.
d-i clock-setup/utc boolean true
# You may set this to any valid setting for $TZ; see the contents of
# /usr/share/zoneinfo/ for valid values.
d-i time/zone string US/Eastern
# Controls whether to use NTP to set the clock during the install
d-i clock-setup/ntp boolean true
# NTP server to use. The default is almost always fine here.
#d-i clock-setup/ntp-server string ntp.example.com
### Partitioning
## Partitioning example
# If the system has free space you can choose to only partition that space.
# This is only honoured if partman-auto/method (below) is not set.
#d-i partman-auto/init_automatically_partition select biggest_free
# Alternatively, you may specify a disk to partition. If the system has only
# one disk the installer will default to using that, but otherwise the device
# name must be given in traditional, non-devfs format (so e.g. /dev/sda
# and not e.g. /dev/discs/disc0/disc).
# For example, to use the first SCSI/SATA hard disk:
#d-i partman-auto/disk string /dev/sda
# In addition, you'll need to specify the method to use.
# The presently available methods are:
# - regular: use the usual partition types for your architecture
# - lvm: use LVM to partition the disk
# - crypto: use LVM within an encrypted partition
d-i partman-auto/method string lvm
# You can define the amount of space that will be used for the LVM volume
# group. It can either be a size with its unit (eg. 20 GB), a percentage of
# free space or the 'max' keyword.
d-i partman-auto-lvm/guided_size string max
# If one of the disks that are going to be automatically partitioned
# contains an old LVM configuration, the user will normally receive a
# warning. This can be preseeded away...
d-i partman-lvm/device_remove_lvm boolean true
# The same applies to pre-existing software RAID array:
d-i partman-md/device_remove_md boolean true
# And the same goes for the confirmation to write the lvm partitions.
d-i partman-lvm/confirm boolean true
d-i partman-lvm/confirm_nooverwrite boolean true
# You can choose one of the three predefined partitioning recipes:
# - atomic: all files in one partition
# - home: separate /home partition
# - multi: separate /home, /var, and /tmp partitions
d-i partman-auto/choose_recipe select atomic
# Or provide a recipe of your own...
# If you have a way to get a recipe file into the d-i environment, you can
# just point at it.
#d-i partman-auto/expert_recipe_file string /hd-media/recipe
# If not, you can put an entire recipe into the preconfiguration file in one
# (logical) line. This example creates a small /boot partition, suitable
# swap, and uses the rest of the space for the root partition:
#d-i partman-auto/expert_recipe string \
# boot-root :: \
# 40 50 100 ext3 \
# $primary{ } $bootable{ } \
# method{ format } format{ } \
# use_filesystem{ } filesystem{ ext3 } \
# mountpoint{ /boot } \
# . \
# 500 10000 1000000000 ext3 \
# method{ format } format{ } \
# use_filesystem{ } filesystem{ ext3 } \
# mountpoint{ / } \
# . \
# 64 512 300% linux-swap \
# method{ swap } format{ } \
# .
# The full recipe format is documented in the file partman-auto-recipe.txt
# included in the 'debian-installer' package or available from D-I source
# repository. This also documents how to specify settings such as file
# system labels, volume group names and which physical devices to include
# in a volume group.
## Partitioning for EFI
# If your system needs an EFI partition you could add something like
# this to the recipe above, as the first element in the recipe:
# 538 538 1075 free \
# $iflabel{ gpt } \
# $reusemethod{ } \
# method{ efi } \
# format{ } \
# . \
#
# The fragment above is for the amd64 architecture; the details may be
# different on other architectures. The 'partman-auto' package in the
# D-I source repository may have an example you can follow.
# This makes partman automatically partition without confirmation, provided
# that you told it what to do using one of the methods above.
d-i partman-partitioning/confirm_write_new_label boolean true
d-i partman/choose_partition select finish
d-i partman/confirm boolean true
d-i partman/confirm_nooverwrite boolean true
# Force UEFI booting ('BIOS compatibility' will be lost). Default: false.
#d-i partman-efi/non_efi_system boolean true
# Ensure the partition table is GPT - this is required for EFI
#d-i partman-partitioning/choose_label select gpt
#d-i partman-partitioning/default_label string gpt
# When disk encryption is enabled, skip wiping the partitions beforehand.
#d-i partman-auto-crypto/erase_disks boolean false
## Partitioning using RAID
# The method should be set to "raid".
#d-i partman-auto/method string raid
# Specify the disks to be partitioned. They will all get the same layout,
# so this will only work if the disks are the same size.
#d-i partman-auto/disk string /dev/sda /dev/sdb
# Next you need to specify the physical partitions that will be used.
#d-i partman-auto/expert_recipe string \
# multiraid :: \
# 1000 5000 4000 raid \
# $primary{ } method{ raid } \
# . \
# 64 512 300% raid \
# method{ raid } \
# . \
# 500 10000 1000000000 raid \
# method{ raid } \
# .
# Last you need to specify how the previously defined partitions will be
# used in the RAID setup. Remember to use the correct partition numbers
# for logical partitions. RAID levels 0, 1, 5, 6 and 10 are supported;
# devices are separated using "#".
# Parameters are:
# <raidtype> <devcount> <sparecount> <fstype> <mountpoint> \
# <devices> <sparedevices>
#d-i partman-auto-raid/recipe string \
# 1 2 0 ext3 / \
# /dev/sda1#/dev/sdb1 \
# . \
# 1 2 0 swap - \
# /dev/sda5#/dev/sdb5 \
# . \
# 0 2 0 ext3 /home \
# /dev/sda6#/dev/sdb6 \
# .
# For additional information see the file partman-auto-raid-recipe.txt
# included in the 'debian-installer' package or available from D-I source
# repository.
# This makes partman automatically partition without confirmation.
d-i partman-md/confirm boolean true
d-i partman-partitioning/confirm_write_new_label boolean true
d-i partman/choose_partition select finish
d-i partman/confirm boolean true
d-i partman/confirm_nooverwrite boolean true
## Controlling how partitions are mounted
# The default is to mount by UUID, but you can also choose "traditional" to
# use traditional device names, or "label" to try filesystem labels before
# falling back to UUIDs.
#d-i partman/mount_style select uuid
### Base system installation
# Configure APT to not install recommended packages by default. Use of this
# option can result in an incomplete system and should only be used by very
# experienced users.
#d-i base-installer/install-recommends boolean false
# The kernel image (meta) package to be installed; "none" can be used if no
# kernel is to be installed.
#d-i base-installer/kernel/image string linux-image-686
### Apt setup
# Choose, if you want to scan additional installation media
# (default: false).
d-i apt-setup/cdrom/set-first boolean false
# You can choose to install non-free and contrib software.
#d-i apt-setup/non-free boolean true
#d-i apt-setup/contrib boolean true
# Uncomment the following line, if you don't want to have the sources.list
# entry for a DVD/BD installation image active in the installed system
# (entries for netinst or CD images will be disabled anyway, regardless of
# this setting).
#d-i apt-setup/disable-cdrom-entries boolean true
# Uncomment this if you don't want to use a network mirror.
#d-i apt-setup/use_mirror boolean false
# Select which update services to use; define the mirrors to be used.
# Values shown below are the normal defaults.
#d-i apt-setup/services-select multiselect security, updates
#d-i apt-setup/security_host string security.debian.org
# Additional repositories, local[0-9] available
#d-i apt-setup/local0/repository string \
# http://local.server/debian stable main
#d-i apt-setup/local0/comment string local server
# Enable deb-src lines
#d-i apt-setup/local0/source boolean true
# URL to the public key of the local repository; you must provide a key or
# apt will complain about the unauthenticated repository and so the
# sources.list line will be left commented out.
#d-i apt-setup/local0/key string http://local.server/key
# If the provided key file ends in ".asc" the key file needs to be an
# ASCII-armoured PGP key, if it ends in ".gpg" it needs to use the
# "GPG key public keyring" format, the "keybox database" format is
# currently not supported.
# By default the installer requires that repositories be authenticated
# using a known gpg key. This setting can be used to disable that
# authentication. Warning: Insecure, not recommended.
#d-i debian-installer/allow_unauthenticated boolean true
# Uncomment this to add multiarch configuration for i386
#d-i apt-setup/multiarch string i386
### Package selection
#tasksel tasksel/first multiselect standard, web-server, kde-desktop
# Or choose to not get the tasksel dialog displayed at all (and don't install
# any packages):
#d-i pkgsel/run_tasksel boolean false
# Individual additional packages to install
#d-i pkgsel/include string openssh-server build-essential
# Whether to upgrade packages after debootstrap.
# Allowed values: none, safe-upgrade, full-upgrade
#d-i pkgsel/upgrade select none
# You can choose, if your system will report back on what software you have
# installed, and what software you use. The default is not to report back,
# but sending reports helps the project determine what software is most
# popular and should be included on the first CD/DVD.
#popularity-contest popularity-contest/participate boolean false
### Boot loader installation
# Grub is the boot loader (for x86).
# This is fairly safe to set, it makes grub install automatically to the UEFI
# partition/boot record if no other operating system is detected on the machine.
d-i grub-installer/only_debian boolean true
# This one makes grub-installer install to the UEFI partition/boot record, if
# it also finds some other OS, which is less safe as it might not be able to
# boot that other OS.
d-i grub-installer/with_other_os boolean true
# Due notably to potential USB sticks, the location of the primary drive can
# not be determined safely in general, so this needs to be specified:
#d-i grub-installer/bootdev string /dev/sda
# To install to the primary device (assuming it is not a USB stick):
#d-i grub-installer/bootdev string default
# Alternatively, if you want to install to a location other than the UEFI
# parition/boot record, uncomment and edit these lines:
#d-i grub-installer/only_debian boolean false
#d-i grub-installer/with_other_os boolean false
#d-i grub-installer/bootdev string (hd0,1)
# To install grub to multiple disks:
#d-i grub-installer/bootdev string (hd0,1) (hd1,1) (hd2,1)
# Optional password for grub, either in clear text
#d-i grub-installer/password password r00tme
#d-i grub-installer/password-again password r00tme
# or encrypted using an MD5 hash, see grub-md5-crypt(8).
#d-i grub-installer/password-crypted password [MD5 hash]
# Use the following option to add additional boot parameters for the
# installed system (if supported by the bootloader installer).
# Note: options passed to the installer will be added automatically.
#d-i debian-installer/add-kernel-opts string nousb
### Finishing up the installation
# During installations from serial console, the regular virtual consoles
# (VT1-VT6) are normally disabled in /etc/inittab. Uncomment the next
# line to prevent this.
#d-i finish-install/keep-consoles boolean true
# Avoid that last message about the install being complete.
d-i finish-install/reboot_in_progress note
# This will prevent the installer from ejecting the CD during the reboot,
# which is useful in some situations.
#d-i cdrom-detect/eject boolean false
# This is how to make the installer shutdown when finished, but not
# reboot into the installed system.
#d-i debian-installer/exit/halt boolean true
# This will power off the machine instead of just halting it.
#d-i debian-installer/exit/poweroff boolean true
### Preseeding other packages
# Depending on what software you choose to install, or if things go wrong
# during the installation process, it's possible that other questions may
# be asked. You can preseed those too, of course. To get a list of every
# possible question that could be asked during an install, do an
# installation, and then run these commands:
# debconf-get-selections --installer > file
# debconf-get-selections >> file
#### Advanced options
### Running custom commands during the installation
# d-i preseeding is inherently not secure. Nothing in the installer checks
# for attempts at buffer overflows or other exploits of the values of a
# preconfiguration file like this one. Only use preconfiguration files from
# trusted locations! To drive that home, and because it's generally useful,
# here's a way to run any shell command you'd like inside the installer,
# automatically.
# This first command is run as early as possible, just after
# preseeding is read.
#d-i preseed/early_command string anna-install some-udeb
# This command is run immediately before the partitioner starts. It may be
# useful to apply dynamic partitioner preseeding that depends on the state
# of the disks (which may not be visible when preseed/early_command runs).
#d-i partman/early_command \
# string debconf-set partman-auto/disk "$(list-devices disk | head -n1)"
# This command is run just before the install finishes, but when there is
# still a usable /target directory. You can chroot to /target and use it
# directly, or use the apt-install and in-target commands to easily install
# packages and run commands in the target system.
#d-i preseed/late_command string apt-install zsh; in-target chsh -s /bin/zsh

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scripts/autoinstall.exp Normal file
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#!/usr/bin/expect
set timeout -1
spawn sudo /tmp/debianzfs.sh /dev/vda
expect "You selected to OVERWRITE '/dev/vda' as hostname 'debianzfs', are you sure? \\\[y/N] "
send "y\r"
expect "Enter passphrase:"
send "password123\r"
expect "Re-enter passphrase:"
send "password123\r"
expect "theunexpected"

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scripts/setup.sh Normal file
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#!/bin/bash
sudo passwd -d user
sudo chmod u+x /tmp/debianzfs.sh
export DEBIAN_FRONTEND=noninteractive
sudo apt-get update
sudo apt-get install -y expect