add periodic screenshots to call machines

screenshot.service

@@ -0,0 +1,6 @@
+[Unit]
+Description=Take a screenshot
+
+[Service]
+Type=oneshot
+ExecStart=/usr/bin/scrot %h/screenshots/%Y-%m-%d_%H-%M-%S.jpg

screenshot.timer

@@ -0,0 +1,10 @@
+[Unit]
+Description=Take a screenshot every minute
+
+[Timer]
+OnBootSec=1min
+OnUnitActiveSec=1min
+Persistent=true
+
+[Install]
+WantedBy=timers.target

setup-autocall.yml

@@ -33,7 +33,7 @@
         global: yes
         state: present
 
-    - name: Update apt cache and install Git, unclutter
+    - name: Update apt cache and install Git, unclutter, scrot
       apt:
         name: "{{ item }}"
         state: present
@@ -41,6 +41,15 @@
       loop:
         - git
         - unclutter
+        - scrot
+
+    - name: Make sure ~/screenshots exists
+      file:
+        name: "/home/{{ ansible_user }}/screenshots"
+        state: directory
+        owner: "{{ ansible_user }}"
+        group: "{{ ansible_user }}"
+        mode: "0755"
 
     - name: Clone Git repository
       become: yes
@@ -66,6 +75,8 @@
         - parsifal.service
         - unclutter.service
         # - x11vnc.service
+        - screenshot.service
+        - screenshot.timer
 
     - name: Reload systemd user service
       become: yes
@@ -86,3 +97,4 @@
         - parsifal
         - unclutter
         # - x11vnc
+        - screenshot.timer