Fix apt proxy configuration

Author: tomdaley92

tasks/configure_apt_proxy.yaml

@@ -1,15 +1,7 @@
-- name: 'fetch sources.list from remote'
-  fetch:
-    src: /etc/apt/sources.list
-    dest: '{{ playbook_dir }}/../'
-    flat: yes
 
-- name: 'set content of sources.list to a variable'
-  set_fact:
-    apt_sources: "{{ lookup('file', playbook_dir+'/../sources.list') }}"
-
-- name: 'overwrite sources.list with apt proxy configuration'
+- name: 'Add nexus apt proxy configuration.'
   copy:
-    content: "{{ apt_sources | regex_replace('https?:\\/\\/.+\\.ubuntu.com\\/ubuntu', apt_proxy_url, multiline=True, ignorecase=True) }}"
-    dest: /etc/apt/sources.list
+    content: |
+      Acquire::https::proxy::ubuntu.com "{{ apt_proxy_url }}";
+    dest: /etc/apt/apt.conf.d/199-nexus-proxy.conf
   become: yes