Use simpler file structure

roles/common/tasks/known_hosts.yml

@@ -0,0 +1,39 @@
+- name: load OS specific vars
+  include_vars: "{{ item }}"
+  with_first_found:
+    - files:
+        - "{{ ansible_distribution|lower }}-{{ ansible_distribution_release|lower }}.yml"
+        - "{{ ansible_distribution|lower }}.yml"
+        - "{{ ansible_os_family|lower }}.yml"
+      paths:
+        - "{{ role_path }}/vars"
+
+- name: install packages
+  become: yes
+  package:
+    name: "{{ item }}"
+    state: present
+  loop: "{{ known_hosts_packages }}"
+
+- name: retrieve user $HOME
+  shell: "echo $HOME" # noqa 301
+  become_user: "{{ user }}"
+  register: home_stats
+
+- name: set user $HOME
+  set_fact:
+    user_home: "{{ home_stats.stdout }}"
+
+- name: create local ssh directory
+  become_user: "{{ user }}"
+  file:
+    path: "{{ user_home }}/.ssh"
+    state: directory
+    mode: "0755"
+
+- name: add items to known hosts
+  become_user: "{{ user }}"
+  known_hosts:
+    name: "{{ item.domain }}"
+    key: "{{ item.key }}"
+  loop: "{{ items }}"