small bugfixes and deployment setup

deploy/deploy.playbook.yml

@@ -0,0 +1,36 @@
+- name: Basic setup tasks for Raspberry Pi
+  hosts: raspberrypi
+  become: true
+  vars:
+    code_dest: /home/pi/eink
+    service_target_dir: /etc/systemd/system/
+
+  tasks:
+    - name: Pull the latest version of the code
+      git:
+        repo: https://git.kluster.moll.re/remoll/eink.git
+        dest: "{{ code_dest }}"
+        version: main
+    
+    - name: Install from the pipenv-file
+      command: "pipenv install --system --deploy"
+      args:
+        chdir: "{{ code_dest }}"
+
+    - name: Copy unit files
+      template:
+        src: ./templates/{{ item }}.j2
+        dest: "{{ service_target_dir }}/{{ item }}"
+      loop:
+        - eink-show.service
+        - eink-show.timer
+
+    - name: Enable units
+      systemd:
+        daemon_reload: yes
+        name: "{{ item }}"
+        state: started
+        enabled: yes
+      loop:
+        - eink-show.service
+        - eink-show.timer      

deploy/setup.playbook.yml

@@ -0,0 +1,57 @@
+- name: Basic setup tasks for Raspberry Pi
+  hosts: raspberrypi
+  become: true
+
+  tasks:
+    - name: Add local ssh key
+      ansible.posix.authorized_key:
+        user: "{{ ansible_user }}"
+        state: present
+        # copy file present on the controller to the remote host
+        # https://docs.ansible.com/ansible/latest/collections/ansible/builtin/copy_module.html
+        key: "{{ lookup('file', '~/.ssh/default.pub') }}"
+
+    - name: apt update all packages
+      apt:
+        update_cache: yes
+        upgrade: yes
+
+    - name: Install required packages
+      apt:
+        name:
+          - git
+          - python3-pipenv
+          - python3-dev
+          - python3-setuptools
+          - python3-rpi.gpio
+          - python3-spidev
+        state: present
+
+    - name: Enable SPI and I2C interfaces
+      lineinfile:
+        path: /boot/config.txt
+        regexp: "^#?(dtparam=i2c_arm|dtparam=spi)"
+        line: "{{ item }}"
+        state: present
+      with_items:
+        - "dtparam=i2c_arm=on"
+        - "dtparam=spi=on"
+
+    - name: Reboot the Raspberry Pi
+      reboot:
+        delay: 5
+        connect_timeout: 20
+        reboot_timeout: 300
+
+    - name: Wait for the Raspberry Pi to reboot
+      wait_for_connection:
+        delay: 5
+        timeout: 300
+      
+    - name: Add wifi networks from secrets
+      template:
+        src: templates/wpa_supplicant.conf.j2
+        dest: /etc/wpa_supplicant/wpa_supplicant.conf
+        owner: root
+        group: root
+        mode: 0600

deploy/templates/eink-show.service.j2

@@ -0,0 +1,14 @@
+[Unit]
+Description=Show new photo onto the eink display
+
+[Service]
+Type=oneshot
+
+WorkingDirectory={{ code_dest }}
+#EnvironmentFile={{ service_config_dir }}/restic.env
+
+ExecStart=python main.py
+
+
+[Install]
+WantedBy=multi-user.target

deploy/templates/eink-show.timer.j2

@@ -0,0 +1,9 @@
+[Unit]
+Description=Run photo update regularly
+
+[Timer]
+OnCalendar=Tue 11:00
+Persistent=true
+
+[Install]
+WantedBy=timers.target