use systemd in our containers

modify the molecule yaml file
the command tells the container that systemd should be run as PID1
the tmp directories ensure that systemd has writeable directories

remove the notest flag on the passenger role

closes #1926

roles/example/molecule/default/molecule.yml

@@ -9,14 +9,22 @@ lint: |
   ansible-lint
 platforms:
   - name: instance
-    image: "ghcr.io/pulibrary/pul_containers:jammy_multi"
-    command: "sleep infinity"
+    image: "quay.io/pulibrary/jammy-ansible:latest"
+    command: "/lib/systemd/systemd"
     volumes:
-      - /sys/fs/cgroup:/sys/fs/cgroup:ro
+      - /sys/fs/cgroup:/sys/fs/cgroup:rw
+    tmpfs:
+      - /tmp
+      - /run
+      - /run/lock
+    cgroupns_mode: host
     privileged: true
     pre_build_image: true
 provisioner:
   name: ansible
+  config_options:
+    defaults:
+      remote_tmp: /tmp
   log: true
 verifier:
   name: ansible

roles/passenger/molecule/default/molecule.yml

@@ -10,9 +10,13 @@ lint: |
 platforms:
   - name: instance
     image: "quay.io/pulibrary/jammy-ansible:latest"
-    command: ""
+    command: "/lib/systemd/systemd"
     volumes:
       - /sys/fs/cgroup:/sys/fs/cgroup:rw
+    tmpfs:
+      - /tmp
+      - /run
+      - /run/lock
     cgroupns_mode: host
     privileged: true
     pre_build_image: true

roles/passenger/tasks/main.yml

@@ -78,7 +78,5 @@
     src: 'systemd_override.conf'
     dest: /etc/systemd/system/nginx.service.d/override.conf
   tags: nginx
-  tags:
-    - notest
   notify:
     - reload systemd