better customization of login screen

tasks/main.yml

@@ -23,13 +23,8 @@
     - lightdm-gtk-greeter
     - yad
     - xbindkeys
-
-- name: uninstall wrong lightdm greeters
-  apt:
-    pkg: "{{ item }}"
-    state: absent
-  with_items:
-    - lightdm-kde-greeter
+    - onboard
+  notify: restart lightdm
 
 - include: mainentance.yml
   when: display_manager_state == 'mainentance'
@@ -40,6 +35,18 @@
     dest: /etc/lightdm/lightdm.conf
   notify: restart lightdm
 
+- name: lightdm gtk-greeter configuration
+  template:
+    src: lightdm-gtk-greeter.conf.j2
+    dest: /etc/lightdm/lightdm-gtk-greeter.conf
+  #notify: restart lightdm
+
+- name: download background image
+  get_url:
+    url: https://upload.wikimedia.org/wikipedia/commons/5/52/Hubble2005-01-barred-spiral-galaxy-NGC1300.jpg
+    dest: /usr/share/lightdm/background.jpg
+    checksum: sha256:df1106e46a2cb9ec46fb50c415f9648270bafb11c0762072f9804f8d1705e4b5
+
 - name: lightdm started
   service:
     name: lightdm

templates/lightdm-gtk-greeter.conf.j2

@@ -0,0 +1,63 @@
+{{ ansible_managed | comment }}
+
+# LightDM GTK+ Configuration
+# Available configuration options listed below.
+#
+# Appearance:
+#  theme-name = GTK+ theme to use
+#  icon-theme-name = Icon theme to use
+#  background = Background file to use, either an image path or a color (e.g. #772953)
+#  user-background = false|true ("true" by default)  Display user background (if available)
+#  transition-duration = Length of time (in milliseconds) to transition between background images ("500" by default)
+#  transition-type = ease-in-out|linear|none  ("ease-in-out" by default)
+#
+# Fonts:
+#  font-name = Font to use
+#  xft-antialias = false|true  Whether to antialias Xft fonts
+#  xft-dpi = Resolution for Xft in dots per inch (e.g. 96)
+#  xft-hintstyle = none|slight|medium|hintfull  What degree of hinting to use
+#  xft-rgba = none|rgb|bgr|vrgb|vbgr  Type of subpixel antialiasing
+#
+# Login window:
+#  active-monitor = Monitor to display greeter window (name or number). Use #cursor value to display greeter at monitor with cursor. Can be a semicolon separated list
+#  position = x y ("50% 50%" by default)  Login window position
+#  default-user-image = Image used as default user icon, path or #icon-name
+#  hide-user-image = false|true ("false" by default)
+#
+# Panel:
+#  panel-position = top|bottom ("top" by default)
+#  clock-format = strftime-format string, e.g. %H:%M
+#  indicators = semi-colon ";" separated list of allowed indicator modules. Built-in indicators include "~a11y", "~language", "~session", "~power", "~clock", "~host", "~spacer". Unity indicators can be represented by short name (e.g. "sound", "power"), service file name, or absolute path
+#
+# Accessibility:
+#  a11y-states = states of accessibility features: "name" - save state on exit, "-name" - disabled at start (default value for unlisted), "+name" - enabled at start. Allowed names: contrast, font, keyboard, reader.
+#  keyboard = command to launch on-screen keyboard (e.g. "onboard")
+#  keyboard-position = x y[;width height] ("50%,center -0;50% 25%" by default)  Works only for "onboard"
+#  reader = command to launch screen reader (e.g. "orca")
+#
+# Security:
+#  allow-debugging = false|true ("false" by default)
+#  screensaver-timeout = Timeout (in seconds) until the screen blanks when the greeter is called as lockscreen
+#
+# Template for per-monitor configuration:
+#  [monitor: name]
+#  background = overrides default value
+#  user-background = overrides default value
+#  laptop = false|true ("false" by default) Marks monitor as laptop display
+#  transition-duration = overrides default value
+#
+[greeter]
+background=/usr/share/lightdm/background.jpg
+user-background=false
+#theme-name=
+#icon-theme-name=
+#font-name=
+#xft-antialias=
+#xft-dpi=
+xft-hintstyle=hintfull
+#xft-rgba=
+indicators=~session;~spacer;~host;~spacer;~clock;~spacer;~a11y;~power
+clock-format=%Y-%m-%d W%W %H:%M %Z
+keyboard=onboard
+#reader=
+#position=

templates/lightdm.conf.j2

@@ -74,6 +74,8 @@ sessions-directory=/usr/local/share/mainentance
 # exit-on-failure = True if the daemon should exit if this seat fails
 #
 [Seat:*]
+greeter-session=lightdm-gtk-greeter
+
 {% if display_manager_state == "mainentance" %}
 autologin-user=mainentance
 autologin-user-timeout=0