feat: add initial setup for pearl server

README.md

@@ -1,8 +1,16 @@
-# Raspberry Pi NAS
+# Homelab 
 
-Ansible configuration repository for my Raspberry Pi's.
+Ansible configuration repository for my homelab.
 
-## Initial setup for new systems
+## Servers
+
+* `pi`: Raspberry Pi's
+    * `ruby`
+    * `sapphire`
+* `hetzner`: Hetzner VPS servers
+    * `pearl`
+
+## Initial setup for new Raspberry Pi
 
 1. Flash [Debian Raspberry Pi](https://raspi.debian.net/) on the SD card.
 2. Configure `/boot/firmware/sysconf.txt`
@@ -18,3 +26,4 @@ Ansible configuration repository for my Raspberry Pi's.
    overwrites the one set in the hosts file
 9. Run `ansible-playbook -i initial-hosts.ini first_run.yml`. This command will
    hang at the `restart networking` step; at this point you can Ctrl-C.
+

Vagrantfile

@@ -1,17 +1,80 @@
 # -*- mode: ruby -*-
 # vi: set ft=ruby :
+
+# All Vagrant configuration is done below. The "2" in Vagrant.configure
+# configures the configuration version (we support older styles for
+# backwards compatibility). Please don't change it unless you know what
+# you're doing.
 Vagrant.configure("2") do |config|
-  config.vm.box = "generic/debian11"
+  # The most common configuration options are documented and commented below.
+  # For a complete reference, please see the online documentation at
+  # https://docs.vagrantup.com.
 
-    # Use the standard insecure SSH key
-    config.ssh.insert_key = false
+  # Every Vagrant development environment requires a box. You can search for
+  # boxes at https://vagrantcloud.com/search.
+  config.vm.box = "bento/debian-12"
 
-    # Don't mount the current directory in the VM
+  # Disable automatic box update checking. If you disable this, then
+  # boxes will only be checked for updates when the user runs
+  # `vagrant box outdated`. This is not recommended.
+  # config.vm.box_check_update = false
+
+  # Create a forwarded port mapping which allows access to a specific port
+  # within the machine from a port on the host machine. In the example below,
+  # accessing "localhost:8080" will access port 80 on the guest machine.
+  # NOTE: This will enable public access to the opened port
+  # config.vm.network "forwarded_port", guest: 80, host: 8080
+
+  # Create a forwarded port mapping which allows access to a specific port
+  # within the machine from a port on the host machine and only allow access
+  # via 127.0.0.1 to disable public access
+  # config.vm.network "forwarded_port", guest: 80, host: 8080, host_ip: "127.0.0.1"
+
+  # Create a private network, which allows host-only access to the machine
+  # using a specific IP.
+
+  # Create a public network, which generally matched to bridged network.
+  # Bridged networks make the machine appear as another physical device on
+  # your network.
+  # config.vm.network "public_network"
+
+  # Share an additional folder to the guest VM. The first argument is
+  # the path on the host to the actual folder. The second argument is
+  # the path on the guest to mount the folder. And the optional third
+  # argument is a set of non-required options.
+  # config.vm.synced_folder "../data", "/vagrant_data"
+
+  # Disable the default share of the current code directory. Doing this
+  # provides improved isolation between the vagrant box and your host
+  # by making sure your Vagrantfile isn't accessible to the vagrant box.
+  # If you use this you may want to enable additional shared subfolders as
+  # shown above.
   config.vm.synced_folder ".", "/vagrant", disabled: true
 
-    config.vm.define "alpha" do |n|
-      n.vm.hostname = "alpha.test"
-      n.vm.network :private_network, ip: "192.168.56.5"
-    end
+  # Provider-specific configuration so you can fine-tune various
+  # backing providers for Vagrant. These expose provider-specific options.
+  # Example for VirtualBox:
+  #
+  config.vm.provider "virtualbox" do |vb|
+    # Display the VirtualBox GUI when booting the machine
+    vb.gui = false
+  
+    # Customize the amount of memory on the VM:
+    vb.memory = "4096"
   end
 
+  config.vm.define "pearl" do |pearl|
+    config.vm.network "private_network", ip: "192.168.56.2"
+  end
+  #
+  # View the documentation for the provider you are using for more
+  # information on available options.
+
+  # Enable provisioning with a shell script. Additional provisioners such as
+  # Ansible, Chef, Docker, Puppet and Salt are also available. Please see the
+  # documentation for more information about their specific syntax and use.
+  # config.vm.provision "shell", inline: <<-SHELL
+  #   apt-get update
+  #   apt-get install -y apache2
+  # SHELL
+end

inventory/vagrant.ini

@@ -1,2 +0,0 @@
-[pearl]
-192.168.56.2 ansible_ssh_user=vagrant ansible_ssh_private_key_file='.vagrant/machines/pearl/virtualbox/private_key'

inventory/vagrant.yml

@@ -0,0 +1,6 @@
+pearl:
+  hosts:
+    192.168.56.2:
+      ansible_ssh_user: vagrant
+      ansible_ssh_private_key_file: '.vagrant/machines/pearl/virtualbox/private_key'
+      debian_version: 'trixie'

plays/pearl.yml

@@ -9,6 +9,10 @@
 - hosts: pearl
   become: true
   roles:
-    # - 'any.common.enable-testing'
+    - 'any.common.debian-repositories'
     - 'any.common.debian-user'
+    - 'any.tools.default'
+    - 'any.tools.docker'
+    - 'any.tools.restic'
+    - 'any.tools.caddy'
   tags: base

roles/any.common.debian-repositories/tasks/main.yml

@@ -1,17 +1,21 @@
 ---
-- ansible.builtin.copy:
-    src: 'sources.list'
+- name: Update sources list
+  ansible.builtin.template:
+    src: 'sources.list.j2'
     dest: '/etc/apt/sources.list'
     owner: 'root'
     group: 'root'
     mode: '0644'
+  register: res
 
 - name: Upgrade all packages to the latest version in testing
   ansible.builtin.apt:
     upgrade: dist
     update_cache: yes
     cache_valid_time: 3600
+  when: 'res.changed'
 
 - name: Clean up unused packages
   ansible.builtin.apt:
     autoremove: yes
+  when: 'res.changed'

roles/any.common.debian-repositories/templates/sources.list.j2

@@ -0,0 +1,10 @@
+deb http://deb.debian.org/debian/ {{ debian_version }} main non-free-firmware
+deb-src http://deb.debian.org/debian/ {{ debian_version }} main non-free-firmware
+
+deb http://security.debian.org/debian-security {{ debian_version }}-security main non-free-firmware
+deb-src http://security.debian.org/debian-security {{ debian_version }}-security main non-free-firmware
+
+# {{ debian_version }}-updates, to get updates before a point release is made;
+# see https://www.debian.org/doc/manuals/debian-reference/ch02.en.html#_updates_and_backports
+deb http://deb.debian.org/debian/ {{ debian_version }}-updates main non-free-firmware
+deb-src http://deb.debian.org/debian/ {{ debian_version }}-updates main non-free-firmware

roles/any.common.enable-testing/files/sources.list

@@ -1,10 +0,0 @@
-deb http://deb.debian.org/debian/ trixie main non-free-firmware
-deb-src http://deb.debian.org/debian/ trixie main non-free-firmware
-
-deb http://security.debian.org/debian-security trixie-security main non-free-firmware
-deb-src http://security.debian.org/debian-security trixie-security main non-free-firmware
-
-# trixie-updates, to get updates before a point release is made;
-# see https://www.debian.org/doc/manuals/debian-reference/ch02.en.html#_updates_and_backports
-deb http://deb.debian.org/debian/ trixie-updates main non-free-firmware
-deb-src http://deb.debian.org/debian/ trixie-updates main non-free-firmware

roles/any.tools.caddy/tasks/main.yml

@@ -1,8 +1,9 @@
----
 - name: Add Caddy GPG key
-  apt_key:
-    url: "https://dl.cloudsmith.io/public/caddy/stable/gpg.key"
-    state: present
+  ansible.builtin.get_url:
+    url: 'https://dl.cloudsmith.io/public/caddy/stable/gpg.key'
+    dest: '/etc/apt/trusted.gpg.d/caddy.asc'
+    mode: '0644'
+    force: true
 
 - name: Add Caddy repositories
   apt_repository:

roles/any.tools.default/tasks/main.yml

@@ -0,0 +1,60 @@
+---
+- name: Ensure common packages are installed
+  apt:
+    name:
+      # Needed for handling GPG keys for repositories
+      - debian-keyring
+      - debian-archive-keyring
+      - apt-transport-https
+      - ca-certificates
+      - lsb-release
+      - gnupg
+
+      # Easy to edit files
+      - vim
+      - tmux
+      - htop
+
+      # Spam prevention
+      - fail2ban
+
+      # Disk monitoring
+      - smartmontools
+
+      # Periodic tasks
+      - cron
+
+      # General compression tools
+      - bzip2
+      - zip
+
+      # Working with BTRFS file systems
+      - btrfs-progs
+
+      - curl
+    state: present
+
+- name: Ensure cron service is enabled
+  service:
+    name: cron
+    state: started
+    enabled: true
+
+- name: Ensure fail2ban service is enabled
+  service:
+    name: fail2ban
+    state: started
+    enabled: true
+
+- name: Ensure Vim config is present
+  get_url:
+    url: 'https://r8r.be/vim'
+    dest: '{{ item.dest }}'
+    owner: "{{ item.user }}"
+    group: "{{ item.user }}"
+    mode: '644'
+  with_items:
+    - user: debian
+      dest: "/home/debian/.vimrc"
+    - user: root
+      dest: "/root/.vimrc"

roles/any.tools.docker/tasks/main.yml

@@ -0,0 +1,44 @@
+---
+- name: Ensure older Docker versions aren't installed.
+  apt:
+    name:
+      - docker
+      - docker-engine
+      - docker.io
+      - containerd
+      - runc
+    state: absent
+
+- name: Add Docker GPG key.
+  ansible.builtin.get_url:
+    url: 'https://download.docker.com/linux/ubuntu/gpg'
+    dest: '/etc/apt/trusted.gpg.d/docker.asc'
+    mode: '0644'
+    force: true
+
+- name: Add Docker PPA.
+  ansible.builtin.apt_repository:
+    # https://gist.github.com/rbq/886587980894e98b23d0eee2a1d84933
+    repo: "deb https://download.docker.com/{{ ansible_system | lower }}/{{ ansible_distribution | lower }} {{ ansible_distribution_release }} stable"
+    state: present
+
+- name: Install Docker, docker-compose & cron.
+  apt:
+    name:
+      - docker-ce
+      - docker-ce-cli
+      - containerd.io
+    state: present
+
+- name: Ensure Docker is running & enabled.
+  service:
+    name: docker
+    state: started
+    enabled: true
+
+- name: Add Docker prune cronjob.
+  cron:
+    name: Prune the Docker system.
+    hour: 4
+    minute: 0
+    job: docker system prune -af

roles/any.tools.restic/files/restic_backups_passwd

@@ -0,0 +1,7 @@
+$ANSIBLE_VAULT;1.1;AES256
+33666438313237356564363136333933633035303531653464643766373434623834663736386463
+3464643731366237633334616536613864396162353264360a316130333032316437393333396466
+34356638393834316235633062646330336438376135346666663064303831666632353834663465
+6636663930356138640a323433613263393939303833616637336436366630386133386338613736
+34353433643539306238663638656539373731616238656635353561356632366332623532396465
+3936373534643966616131616161633234663430633233653435

roles/any.tools.restic/tasks/main.yml

@@ -0,0 +1,56 @@
+---
+- name: Ensure download directory is present
+  ansible.builtin.file:
+    path: "/opt/restic/{{ restic_version }}"
+    state: directory
+    mode: '0755'
+
+- name: Ensure compressed binary is downloaded
+  ansible.builtin.get_url:
+    url: "https://github.com/restic/restic/releases/download/v{{ restic_version }}/restic_{{ restic_version }}_linux_arm64.bz2"
+    dest: "/opt/restic/{{ restic_version }}/restic-{{ restic_version }}.bz2"
+  register: res
+
+- name: Ensure binary is decompressed
+  ansible.builtin.shell:
+    cmd: "bunzip2 -k /opt/restic/{{ restic_version }}/restic-{{ restic_version }}.bz2"
+  when: 'res.changed'
+
+- name: Ensure binary is copied to correct location
+  ansible.builtin.copy:
+    src: "/opt/restic/{{ restic_version }}/restic-{{ restic_version }}"
+    remote_src: true
+    dest: '/usr/local/bin/restic'
+    owner: 'root'
+    group: 'root'
+    mode: '0755'
+  when: 'res.changed'
+
+# - name: Ensure backup scripts directory is present
+#   ansible.builtin.file:
+#     path: '/etc/backups'
+#     state: directory
+#     mode: '0755'
+
+# - name: Ensure Restic backups password file is present
+#   ansible.builtin.copy:
+#     src: 'restic_backups_passwd'
+#     dest: '/etc/backups/restic_backups_passwd'
+#     owner: root
+#     group: root
+#     mode: '0600'
+
+# - name: Ensure backup-all script is present
+#   ansible.builtin.template:
+#     src: "backup-all.sh.j2"
+#     dest: '/etc/backups/backup-all.sh'
+#     owner: root
+#     group: root
+#     mode: '0644'
+
+# - name: Ensure backup cronjob is enabled
+#   ansible.builtin.cron:
+#     name: 'Perform nightly backups'
+#     minute: '0'
+#     hour: '2'
+#     job: '/usr/bin/bash /etc/backups/backup-all.sh'

roles/any.tools.restic/templates/backup-all.sh.j2

@@ -0,0 +1,43 @@
+#!/usr/bin/env bash
+
+# This script sequentially executes all shell scripts matching
+# /etc/backups/*.backup.sh, with environment variables configured to publish
+# backups to the local Restic REST server.
+
+# Get passed along to subcalls to bash
+export RESTIC_REPOSITORY='rest:http://{{ groups['nas'][0] }}:8000/backups'
+export RESTIC_PASSWORD_FILE='/etc/backups/restic_backups_passwd'
+
+log_file='/tmp/backup-all.sh.log'
+
+rm -f "$log_file"
+
+for script in $(find /etc/backups -name '*.backup.sh'); do
+    T="$(date +%s)"
+
+    /usr/bin/bash "$script"
+
+    res="$?"
+    T="$(($(date +%s)-T))"
+
+    if [[ $res == 0 ]]; then
+        header='OK'
+    else
+        header="FAIL ($res)"
+    fi
+
+    printf \
+        "%s: %s in %02dh%02dm%02ds\n" \
+        "$(basename "$script")" "$header" \
+        "$((T/3600%24))" "$((T/60%60))" "$((T%60))" \
+        >> "$log_file"
+done
+
+# Prune older backups
+/usr/local/bin/restic forget --keep-last 7 && \
+    /usr/local/bin/restic prune
+
+# Send status notification
+ntfy publish \
+    --title "Backups ($(hostname))" \
+    homelab "$(cat "$log_file")"