library/roles/deb-set-locale: Force the writing of /etc/default/locale

deb-set-locale/defaults/main.yml

@@ -1,3 +1,8 @@
 ---
 deb_default_locale: "en_US.UTF-8"
 deb_locales: "{{ deb_default_locale }} en_US, it_IT.UTF-8 it_IT"
+deb_locales_list:
+  - '{{ deb_default_locale }}'
+  - en_US
+  - it_IT.UTF-8
+  - it_IT

deb-set-locale/tasks/main.yml

@@ -1,12 +1,16 @@
 ---
-- name: Generate locales
-  debconf: name=locales question='locales/locales_to_be_generated' value='{{ deb_locales }}' vtype='multiselect'
-  tags:
-    - locale
+- block:
+    - name: Define the locales to be generated
+      debconf: name=locales question='locales/locales_to_be_generated' value='{{ deb_locales }}' vtype='multiselect'
 
+    - name: Update the locale default
+      debconf: name=locales question='locales/default_environment_locale' value='{{ deb_default_locale }}' vtype='select'
 
-- name: Update the locale default
-  debconf: name=locales question='locales/default_environment_locale' value='{{ deb_default_locale }}' vtype='select'
-  tags:
-    - locale
+    - name: Generate the locales
+      locale_gen: name={{ item }} state=present
+      with_items: '{{ deb_locales_list }}'
 
+    - name: Set the default locale
+      shell: update-locale LANG={{ deb_default_locale }}
+
+  tags: locale