Add LOCAL_DOMAIN variable.

I wanted to use Mastodon on a server whose hostname didn’t match the domain to be used.

group_vars/all.sample

@@ -2,3 +2,5 @@
 # Please note that the playbook will drop this database in preparation for Mastodon's
 # database setup process.
 DB_NAME: 
+# Specify the hostname you wish to use (in case it doesn't match the server's name).
+LOCAL_DOMAIN:

roles/mastodon-config/templates/.env.production.sample

@@ -16,7 +16,7 @@ DB_PASS=
 DB_PORT=5432
 
 # Your instance's domain (Don't modify this, we get this from a variable)
-LOCAL_DOMAIN={{ ansible_nodename }}
+LOCAL_DOMAIN={{ LOCAL_DOMAIN }}
 # We have HTTPS enabled
 LOCAL_HTTPS=true
 

roles/mastodon-nginx/tasks/main.yml

@@ -18,11 +18,11 @@
 - name: Copy Mastodon nginx vhost template to sites-available
   template:
     src: mastodon-nginx.conf
-    dest: /etc/nginx/sites-available/{{ ansible_nodename }}.conf
+    dest: /etc/nginx/sites-available/{{ LOCAL_DOMAIN }}.conf
 - name: Enable Mastodon nginx vhost template
   file:
-    src: /etc/nginx/sites-available/{{ ansible_nodename }}.conf
-    dest: /etc/nginx/sites-enabled/{{ ansible_nodename }}.conf
+    src: /etc/nginx/sites-available/{{ LOCAL_DOMAIN }}.conf
+    dest: /etc/nginx/sites-enabled/{{ LOCAL_DOMAIN }}.conf
     state: link
 - name: Start nginx
   service: name=nginx state=started

roles/mastodon-nginx/templates/mastodon-nginx.conf

@@ -6,7 +6,7 @@ map $http_upgrade $connection_upgrade {
 server {
   listen 80;
   listen [::]:80;
-  server_name {{ ansible_nodename }};
+  server_name {{ LOCAL_DOMAIN }};
   # Useful for Let's Encrypt
   location /.well-known/acme-challenge/ { allow all; }
   location / { return 301 https://$host$request_uri; }
@@ -15,15 +15,15 @@ server {
 server {
   listen 443 ssl http2;
   listen [::]:443 ssl http2;
-  server_name {{ ansible_nodename }};
+  server_name {{ LOCAL_DOMAIN }};
 
   ssl_protocols TLSv1.2;
   ssl_ciphers HIGH:!MEDIUM:!LOW:!aNULL:!NULL:!SHA;
   ssl_prefer_server_ciphers on;
   ssl_session_cache shared:SSL:10m;
 
-  ssl_certificate     /etc/letsencrypt/live/{{ ansible_nodename }}/fullchain.pem;
-  ssl_certificate_key /etc/letsencrypt/live/{{ ansible_nodename }}/privkey.pem;
+  ssl_certificate     /etc/letsencrypt/live/{{ LOCAL_DOMAIN }}/fullchain.pem;
+  ssl_certificate_key /etc/letsencrypt/live/{{ LOCAL_DOMAIN }}/privkey.pem;
 
   keepalive_timeout    70;
   sendfile             on;