Use systemd socket activation for Foreman

Author: ekohl

roles/foreman/defaults/main.yaml

@@ -1,4 +1,5 @@
 ---
 foreman_container_image: "quay.io/evgeni/foreman-rpm"
 foreman_container_tag: "nightly"
-foreman_url: "http://localhost:3000"
+foreman_listen_stream: localhost:3000
+foreman_url: "http://{{ foreman_listen_stream }}"

roles/foreman/tasks/main.yaml

@@ -46,6 +46,12 @@
     name: foreman-client-key
     path: "{{ foreman_client_key }}"
 
+- name: Deploy Foreman socket
+  ansible.builtin.template:
+    src: foreman.socket.j2
+    dest: /etc/systemd/system/foreman.socket
+    mode: '0644'
+
 - name: Deploy Foreman Container
   containers.podman.podman_container:
     name: "foreman"
@@ -64,6 +70,8 @@
       SEED_ADMIN_PASSWORD: changeme
     quadlet_options:
       - |
+        [Unit]
+        Requires=foreman.socket
         [Install]
         WantedBy=default.target
 

roles/foreman/templates/foreman.socket.j2

@@ -0,0 +1,8 @@
+[Unit]
+Description=Foreman socket
+
+[Socket]
+ListenStream={{ foreman_listen_stream }}
+
+[Install]
+WantedBy=sockets.target