Add possibility to use nginx repo for Debian

defaults/main.yml

@@ -9,6 +9,11 @@ nginx_yum_repo_enabled: true
 nginx_ppa_use: false
 nginx_ppa_version: stable
 
+# Use the official Nginx repo for Debian, and the version to use
+# Leave field empty for stable. Explicit the name for others, i.e: mainline
+nginx_repo_use: false
+nginx_repo_version: ""
+
 # The name of the nginx apt/yum package to install.
 nginx_package_name: "nginx"
 

tasks/setup-Debian.yml

@@ -3,6 +3,30 @@
   apt: update_cache=yes cache_valid_time=86400
   changed_when: false
 
+- name: Ensure apt key is present for nginx repository
+  apt_key:
+    url: http://nginx.org/keys/nginx_signing.key
+    state: present
+  become: yes
+  when: nginx_repo_use
+
+- name: Ensure nginx apt repository is present
+  apt_repository:
+    repo: "deb http://nginx.org/packages/{{ nginx_repo_version }}/debian/ \
+           {{ ansible_distribution_release }} nginx"
+    state: present
+    filename: nginx
+    update_cache: yes
+  become: yes
+  register: nginx_repo_added
+  when: nginx_repo_use
+
+- name: Ensure nginx will reinstall if the repo was just added.
+  apt:
+    name: nginx
+    state: absent
+  when: nginx_repo_added.changed
+
 - name: Ensure nginx is installed.
   apt:
     name: "{{ nginx_package_name }}"