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GNU GENERAL PUBLIC LICENSE
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END OF TERMS AND CONDITIONS
How to Apply These Terms to Your New Programs
If you develop a new program, and you want it to be of the greatest
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To do so, attach the following notices to the program. It is safest
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<one line to give the program's name and a brief idea of what it does.>
Copyright (C) <year> <name of author>
This program is free software: you can redistribute it and/or modify
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This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
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You should have received a copy of the GNU General Public License
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Also add information on how to contact you by electronic and paper mail.
If the program does terminal interaction, make it output a short
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This program comes with ABSOLUTELY NO WARRANTY; for details type `show w'.
This is free software, and you are welcome to redistribute it
under certain conditions; type `show c' for details.
The hypothetical commands `show w' and `show c' should show the appropriate
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might be different; for a GUI interface, you would use an \about box\.
You should also get your employer (if you work as a programmer) or school,
if any, to sign a \copyright disclaimer\ for the program, if necessary.
For more information on this, and how to apply and follow the GNU GPL, see
<https://www.gnu.org/licenses/>.
The GNU General Public License does not permit incorporating your program
into proprietary programs. If your program is a subroutine library, you
may consider it more useful to permit linking proprietary applications with
the library. If this is what you want to do, use the GNU Lesser General
Public License instead of this License. But first, please read
<https://www.gnu.org/licenses/why-not-lgpl.html>.

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# ansible-homelab
I use these roles to automate the setup of my LXC homelab. They are highly tailored to my use-case and would require substantial review and editing for anyone else to use them.
## Example
Initialize an instance:
``` shell
lxc init images:debian/12/cloud debian-mail --storage lxd-pool
```
Configure the instance with cloud-init:
```shell
lxc config set debian-mail cloud-init.user-data - <<- EOF
#cloud-config
users:
- name: debian
ssh_authorized_keys:
- ssh-ed25519 ...
sudo: 'ALL=(ALL) NOPASSWD: ALL'
lock_passwd: false
passwd: $6$rounds=4096$aVIiqgNjZRRxZXRa$rshJoBQ4gedhAmIT3kSvwxyw6AmD4ZYQFHrUMmgnH70F98yLrt7w3bO9bOy9tWHRK0X3TlC/dUnzDBla3Ti6H
packages:
- python3-dev
- ssh
EOF
```
The hashed password can be generated with the `mkpasswd` command, which, for some reason, is provided by the *whois* package on Ubuntu-based systems:
```shell
sudo apt install -y whois
mkpasswd --method=SHA-512 --rounds=4096
```
Copy and paste the result as the value of the passwd key in the cloud-config.
Start the instance, then check the cloud-init status:
```shell
lxc start debian-mail -- cloud-init --wait
```
Once that's done, you should be able to ssh directly to the debian user, and Ansible will be ready to run.
Add instance IP address to `hosts.ini`:
``` ini
[homelab]
10.227.115.42
```
Run the `setup.yml` playbook for all roles, or choose specific roles with `--tags`:
``` shell
ansible-playbook -i hosts.ini setup.yml -u debian -b
ansible-playbook -i hosts.ini setup.yml --tags debian-mail -u debian -b
```

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bin/debian-init Normal file
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#!/usr/bin/env bash
set -euxo
lxc exec "$1" -- apt install -y ssh python3-dev
# vim: ft=bash ai et sw=4 ts=4

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hosts.ini Normal file
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[homelab]
10.227.115.230

25
roles/debian-mail/files/offlineimaprc Normal file
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[general]
accounts = protonmail
metadata = /home/debian/.offlineimap-metadata
[Account protonmail]
localrepository = protonmail-local
remoterepository = protonmail-remote
autorefresh = 1
postsynchook = notmuch new
[Repository protonmail-local]
type = Maildir
localfolders = /home/debian/mail
sync_deletes = no
[Repository protonmail-remote]
type = IMAP
remoteuser = hyperreal64@pm.me
remotepass =
remotehost = 127.0.0.1
remoteport = 1143
ssl = no
starttls = no
expunge = yes
readonly = True

37
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#!/usr/bin/env bash
#
# This script must be run as the same user running offlineimap, which is
# preferably a non-privileged user.
#
# This script should be daemonized (forked to bg) or used as the value of
# the ExecStart= directive in a systemd service file.
set -euxo pipefail
# If "init" is supplied as arg $1, initialize the bridge.
if [[ "$1" == "init" ]]; then
# Initialize pass
gpg --generate-key --batch <<EOF
%no-protection
%echo Generating a basic OpenPGP key
Key-Type: RSA
Key-Length: 2048
Name-Real: pass-key
Expire-Date: 0
%commit
%echo done
EOF
pass init pass-key
# Kill other instance of protonmail-bridge as only one can be running at a
# time.
pkill protonmail-bridge || true
# Login
protonmail-bridge --cli "$@"
else
# Start protonmail-bridge in a fake tty, so it does not quit because of EOF.
rm -f /tmp/faketty
mkfifo /tmp/faketty
protonmail-bridge --cli "$@" < /tmp/faketty
fi

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roles/debian-mail/tasks/main.yml Normal file
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---
# tasks file for debian-mail
- name: Disable APT downloading language translations
ansible.builtin.lineinfile:
path: /etc/apt/apt.conf.d/99translations
line: 'Acquire::Languages "none";'
create: true
- name: Add Debian backports
ansible.builtin.apt_repository:
repo: deb http://deb.debian.org/debian bookworm-backports main
state: present
update_cache: true
- name: Install packages
ansible.builtin.apt:
name: "{{ packages }}"
state: present
- name: Fetch bridge_pubkey.gpg
ansible.builtin.get_url:
url: https://proton.me/download/bridge/bridge_pubkey.gpg
dest: /tmp/bridge_pubkey.gpg
- name: Sign bridge_pubkey.gpg
ansible.builtin.shell:
cmd: rm -f debsig.gpg && gpg --dearmor --output debsig.gpg bridge_pubkey.gpg
chdir: /tmp
- name: Create keyring directory
ansible.builtin.file:
path: /usr/share/debsig/keyrings/E2C75D68E6234B07
state: directory
recurse: true
- name: Move debsig.gpg to keyring directory
ansible.builtin.copy:
src: /tmp/debsig.gpg
dest: /usr/share/debsig/keyrings/E2C75D68E6234B07
remote_src: true
- name: Create policy directory
ansible.builtin.file:
path: /etc/debsig/policies/E2C75D68E6234B07
state: directory
recurse: true
- name: Fetch and install the policy file
ansible.builtin.get_url:
url: https://proton.me/download/bridge/bridge.pol
dest: /etc/debsig/policies/E2C75D68E6234B07//bridge.pol
- name: Fetch protonmail-bridge DEB package
ansible.builtin.get_url:
url: https://proton.me/download/bridge/protonmail-bridge_3.2.0-1_amd64.deb
dest: /tmp/protonmail-bridge_3.2.0-1_amd64.deb
- name: Verify the signature on the protonmail-bridge package file
ansible.builtin.shell:
cmd: debsig-verify protonmail-bridge_3.2.0-1_amd64.deb
chdir: /tmp
register: debsig_output
failed_when: '"Verified package" not in debsig_output.stdout or debsig_output.rc != 0'
- name: Install protonmail-bridge_3.2.0-1_amd64.deb
ansible.builtin.apt:
deb: /tmp/protonmail-bridge_3.2.0-1_amd64.deb
- name: Create user
ansible.builtin.user:
name: debian
shell: /bin/bash
- name: Set sudo permissions for debian
ansible.builtin.lineinfile:
path: "/etc/sudoers.d/debian"
line: "debian ALL=(ALL) NOPASSWD: ALL"
create: true
- name: Copy systemd unit files for offlineimap
ansible.builtin.copy:
src: /usr/share/doc/offlineimap3/examples/systemd/offlineimap-oneshot.service
dest: /etc/systemd/system/offlineimap-oneshot.service
remote_src: true
- name: Change running user and group to debian for offlineimap-oneshot.service
ansible.builtin.blockinfile:
path: /etc/systemd/system/offlineimap-oneshot.service
insertafter: "Type=oneshot"
block: |
User=debian
Group=debian
- name: Create offlineimap-oneshot.timer
ansible.builtin.blockinfile:
path: /etc/systemd/system/offlineimap-oneshot.timer
create: true
block: |
[Unit]
Description=Offlineimap Query Timer
[Timer]
OnCalendar=daily
[Install]
WantedBy=default.target
- name: Create pm-bridge-tty.service
ansible.builtin.blockinfile:
path: /etc/systemd/system/pm-bridge-tty.service
create: true
block: |
[Unit]
Description=faketty service for protonmail-bridge
[Service]
Type=simple
User=debian
Group=debian
ExecStart=/usr/local/bin/pm-bridge-tty
[Install]
WantedBy=multi-user.target
- name: Copy offlineimaprc for debian
ansible.builtin.copy:
src: files/offlineimaprc
dest: /home/debian/.offlineimaprc
owner: debian
group: debian
- name: Copy protonmail-bridge faketty script
ansible.builtin.copy:
src: files/pm-bridge-tty
dest: /usr/local/bin/pm-bridge-tty
owner: root
group: root
mode: u=rwx,g=rx,o=rx
- name: Enable offlineimap systemd timer
ansible.builtin.systemd:
name: offlineimap-oneshot.timer
enabled: true
- name: Message to Ansible user
ansible.builtin.debug:
msg:
- "Set passwd for debian"
- "Run 'pm-bridge-tty init' to initialize the bridge."
- "Login to Proton Mail with your user credentials."
- "Wait for the sync to finish."
- "Copy SMTP password and add it to /home/debian/.offlineimaprc"
- "Run 'notmuch setup'"
- "Run 'sudo systemctl enable --now pm-bridge-tty.service'"
- "Run 'sudo systemctl start offlineimap-oneshot.service'"

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---
# vars file for debian-mail
packages:
- debian-keyring
- debsig-verify
- notmuch
- offlineimap3
- pass
- wget

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- name: Setup homelab LXC containers
hosts: homelab
roles:
# Tag each role so that we can select individual roles to run with ansible-playbook --tags
- {role: debian-mail, tags: ['debian-mail']}