fix(freebsd): make kernel module name configurable

openvpn/dhparams.sls

@@ -5,6 +5,12 @@
   {#- Some distributions use /etc/openvpn/{client,server} as their working directory #}
   {%- set config_dir = map.get("server", {}).get("conf_dir", map.conf_dir) %}
   {%- for dh in map.dh_files %}
+    {%- if loop.first %}
+openvpn_dh_config_dir:
+  file.directory:
+    - name: {{ config_dir }}
+    - makedirs: True
+    {%- endif %}
     {%- set dh_file = config_dir ~ "/dh" ~ dh ~ ".pem" %}
 openvpn_create_dh_{{ dh }}:
   cmd.run:

openvpn/general_config.sls

@@ -42,8 +42,11 @@ openvpn_config_dir:
 {%- if grains.os_family == 'FreeBSD' %}
 openvpn_kldload_if_tap:
   kmod.present:
-    - name: if_tap
+    - name: {{ map.kernel_module_name }}
     - persist: True
+    - unless:
+      # In case the kernel has the module compiled in, we skip this state.
+      - sh -c "kldstat -v | grep --quiet --extended-regexp '^\s+[0-9]+ {{ map.kernel_module_name }}$'"
     - require_in:
       - sls: openvpn.config
 {%- endif %}

openvpn/parameters/os_family/FreeBSD.yaml

@@ -16,4 +16,5 @@ values:
   user: openvpn
   manage_user: false
   manage_group: false
+  kernel_module_name: if_tap
 ...