Add Vagrant cache option for dhparams.pem

roles/proxy/defaults/main.yml

@@ -0,0 +1 @@
+cached_dhparams_pem: /vagrant/scratch/dhparams.pem

roles/proxy/tasks/main.yml

@@ -10,6 +10,19 @@
     state: started
     enabled: true
 
+- name: Check for cached dhparams.pem file
+  ansible.builtin.stat:
+    path: "{{ cached_dhparams_pem }}"
+  register: dhparams_file
+
+- name: Copy cached dhparams.pem to /etc/ssl/
+  ansible.builtin.copy:
+    src: "{{ cached_dhparams_pem }}"
+    dest: /etc/ssl/dhparams.pem
+    mode: "600"
+    remote_src: true
+  when: dhparams_file.stat.exists
+
 - name: Generate DH Parameters
   community.crypto.openssl_dhparam:
     path: /etc/ssl/dhparams.pem