Add default SSH port variable

ansible/hosts

@@ -9,7 +9,4 @@
 # appropriate entries to /etc/hosts.
 
 [server]
-loki
-
-[vm]
-mimir
+loki

ansible/python.yml

@@ -9,7 +9,7 @@
   pre_tasks:
     - name: Use default SSH port
       set_fact:
-        ansible_port: 22
+        ansible_port: "{{ default_ssh_port }}"
 
   tasks:
     - name: Install python2

ansible/secrets.def.yml

@@ -13,6 +13,10 @@ ansible_become_pass:
 # temporarily reset to the default SSH port.
 ssh_port:
 
+# The default SSH port. Usually 22, but can be different if you're using port
+# forwarding.
+default_ssh_port:
+
 # GitLab
 gitlab_ssh_port:
 

ansible/ssh.yml

@@ -9,7 +9,7 @@
   pre_tasks:
     - name: Use default SSH port
       set_fact:
-        ansible_port: 22
+        ansible_port: "{{ default_ssh_port }}"
 
   tasks:
     - name: Copy sshd config