Allow setting a custom apt and rpm signing key host (#84)

* Allow setting a custom apt and rpm signing key host

* Change default fallback key to https

* Use facts to determine which signing key to use

* Add single quotes

Author: alessfg

README.md

@@ -184,6 +184,10 @@ nginx_type: opensource
 # Default is nginx_repository.
 nginx_install_from: nginx_repository
 
+# Choose where to fetch the NGINX signing key from.
+# Default is the official NGINX signing key host.
+nginx_signing_key: https://nginx.org/keys/nginx_signing.key
+
 # Specify source repository for NGINX Open Source.
 # Only works if 'install_from' is set to 'nginx_repository'.
 # Defaults are the official NGINX repositories.
@@ -364,7 +368,6 @@ nginx_http_template:
 # Enable creating dynamic templated NGINX stream configuration files.
 nginx_stream_template_enable: false
 nginx_stream_template_listen: 12345
-
 ```
 
 Dependencies

defaults/main.yml

@@ -17,6 +17,10 @@ nginx_type: opensource
 # Default is nginx_repository.
 nginx_install_from: nginx_repository
 
+# Choose where to fetch the NGINX signing key from.
+# Default is the official NGINX signing key host.
+nginx_signing_key: http://nginx.org/keys/nginx_signing.key
+
 # Specify source repository for NGINX Open Source.
 # Only works if 'install_from' is set to 'nginx_repository'.
 # Defaults are the official NGINX repositories.

tasks/keys/apt-key.yml

@@ -1,4 +1,8 @@
 ---
+- name: "(Install: APT OSs) Set APT NGINX Signing Key URL"
+  set_fact:
+    keysite: "{{ nginx_signing_key | default('http://nginx.org/keys/nginx_signing.key') }}"
+
 - name: "(Install: APT OSs) Add APT NGINX Signing Key"
   apt_key:
-    url: "{{ 'http://nginx.org/keys/nginx_signing.key' | default('https://nginx.org/keys/nginx_signing.key') }}"
+    url: "{{ keysite | default('https://nginx.org/keys/nginx_signing.key') }}"

tasks/keys/rpm-key.yml

@@ -1,4 +1,8 @@
 ---
+- name: "(Install: RPM OSs) Set RPM NGINX Signing Key URL"
+  set_fact:
+    keysite: "{{ nginx_signing_key | default('http://nginx.org/keys/nginx_signing.key') }}"
+
 - name: "(Install: RPM OSs) Add RPM NGINX Signing Key"
   rpm_key:
-    key: "{{ 'http://nginx.org/keys/nginx_signing.key' | default('https://nginx.org/keys/nginx_signing.key') }}"
+    key: "{{ keysite | default('https://nginx.org/keys/nginx_signing.key') }}"