preseed.cfg.j2

#########Debian Preseed
# Setting the locales, country
# Supported locales available in /usr/share/i18n/SUPPORTED
d-i debian-installer/language string en_US
d-i debian-installer/country string US
d-i debian-installer/locale string en_US.UTF-8

# Keyboard setting
d-i console-setup/ask_detect boolean false
d-i keyboard-configuration/layoutcode string us
d-i keyboard-configuration/xkb-keymap us
d-i keyboard-configuration/modelcode string pc105

## Account Setup
# Default user '{{ env("ssh_username") }}'
d-i passwd/root-login boolean true
d-i passwd/user-fullname string {{ env("ssh_username") }}
d-i passwd/username string {{ env("ssh_username") }}
d-i user-setup/encrypt-home boolean false
d-i passwd/root-password password {{ env("ssh_password") }}
d-i passwd/root-password-again password {{ env("ssh_password") }}
d-i passwd/user-password password {{ env("ssh_password") }}
d-i passwd/user-password-again password {{ env("ssh_password") }}

## Partitioning
# This creates an unencrypted primary ext4 partition without swap.
d-i partman-auto/disk string /dev/sda
d-i partman-auto/method string regular
d-i partman-auto/choose_recipe select unencrypted-install
d-i partman-basicfilesystems/no_swap boolean false
d-i partman-auto/expert_recipe string \
        root :: \
                60000 60000 60000 ext4 \
                        $primary{ } $bootable{ } \
                        method{ format } format{ } \
                        use_filesystem{ } filesystem{ ext4 } \
                        mountpoint{ / } \
                .\
                10000 10000 10000 ext4 \
                        $primary{ } \
                        method{ format } format{ } \
                        use_filesystem{ } filesystem{ ext4 }\
                        mountpoint{ /boot } \
                .\
                10000 10000 10000 ext4 \
                        $primary{ } \
                        method{ format } format{ } \
                        use_filesystem{ } filesystem{ ext4 }\
                        mountpoint{ /home } \
                .\
                5000 5000 -1 ext4 \
                        $primary{ } \
                        method{ format } format{ } \
                        use_filesystem{ } filesystem{ ext4 }\
                        mountpoint{ /tmp } \
                .
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


## Package Installation
tasksel tasksel/first multiselect standard, server
# Full upgrade packages after debootstrap and unattended upgrades
d-i pkgsel/upgrade select full-upgrade
d-i pkgsel/update-policy select unattended-upgrades
# Individual additional packages to install
d-i pkgsel/include string open-vm-tools openssh-server
# Do not report back on what software is installed, and what software is used
popularity-contest popularity-contest/participate boolean false

## Boot loader installation
d-i grub-installer/only_debian boolean true
d-i grub-installer/bootdev string /dev/sda

## d-i preseed/late_command string \
#    echo 'user ALL=(ALL) NOPASSWD: ALL' > /target/etc/sudoers.d/user ; \
#    in-target chmod 440 /etc/sudoers.d/user ; #}

### Run custom commands during the installation
# Enable passwordless sudo for default user and permit root login for Packer Ansible provisioner to work
# Set dhcp identifier to mac so each clone of template can acquire a new IP
d-i preseed/late_command string \
    echo '{{ env("ssh_username") }}  ALL=(ALL:ALL) NOPASSWD: ALL' >> /target/etc/sudoers.d/default-user; \
    chmod 440 /target/etc/sudoers.d/default-user; \
    sed -i "/^#PermitRootLogin/c\PermitRootLogin yes" /target/etc/ssh/sshd_config; \
    sed -i 's/^#*\(send dhcp-client-identifier\).*$/\1 = hardware;/' /target/etc/dhcp/dhclient.conf; \
    sed -i "s/dhcp4: yes/&\n      dhcp-identifier: mac/" /target/etc/netplan/01-netcfg.yaml


### Finishing up the installation
# Avoid that last message about the install being complete.
d-i finish-install/reboot_in_progress note