allow action to fail if file does not exist

Manual.org

@@ -490,6 +490,7 @@ yavdr-common executes the following tasks:
     state: present
     regexp: '^(Prompt=).*$'
     line: '\1never'
+  ignore_errors: yes
 #+END_SRC
 ***** Install essential packages
  #+BEGIN_SRC yaml :tangle roles/yavdr-common/tasks/configure_system.yml :mkdirp yes
@@ -3187,7 +3188,7 @@ The tool ubuntu-drivers is used to install the matching driver version for nvidi
         name: ubuntu-drivers-common
         state: present
 
-    - name: let ubuntu-drivers automatically install additional drivers
+    - name: use ubuntu-drivers to install additional drivers automatically
       command: ubuntu-drivers --package-list /etc/yavdr/autoinstalled autoinstall
   when:
     - ansible_virtualization_type != "virtualbox"
@@ -3213,6 +3214,8 @@ This role installs the guest additions for virtualbox guests on Ubuntu 16.04
         - virtualbox-guest-dkms
         - virtualbox-guest-x11
         - dkms
+
+    # TODO: set xineliboutput as frontend
   when:
     - ansible_virtualization_type == "virtualbox"
     - ansible_virtualization_role == "guest"

roles/autoinstall-ubuntu-drivers/tasks/main.yml

@@ -8,7 +8,7 @@
         name: ubuntu-drivers-common
         state: present
 
-    - name: let ubuntu-drivers automatically install additional drivers
+    - name: use ubuntu-drivers to install additional drivers automatically
       command: ubuntu-drivers --package-list /etc/yavdr/autoinstalled autoinstall
   when:
     - ansible_virtualization_type != "virtualbox"

roles/autoinstall-virtualbox-guest/tasks/main.yml

@@ -11,6 +11,8 @@
         - virtualbox-guest-dkms
         - virtualbox-guest-x11
         - dkms
+
+    # TODO: set xineliboutput as frontend
   when:
     - ansible_virtualization_type == "virtualbox"
     - ansible_virtualization_role == "guest"

roles/yavdr-common/tasks/configure_system.yml

@@ -24,6 +24,7 @@
     state: present
     regexp: '^(Prompt=).*$'
     line: '\1never'
+  ignore_errors: yes
 - name: apt | install basic packages
   apt:
     name: '{{ item }}'