feat(podman_host): do not create local users and assume a user exists

For SR2's usage, these users will exist because they have been created
in FreeIPA along with their subids.

roles/podman_host/tasks/main.yml

@@ -1,13 +1,22 @@
 ---
-- name: Podman Host | PRELIM | Ensure the rootless users are defined and are not root
+- name: Podman Host | AUDIT | Ensure the rootless users are defined and are not root
   ansible.builtin.assert:
     that:
       - podman_host_rootless_users | length > 0
       - '"root" not in podman_host_rootless_users'
 
-- name: Podman Host | AUDIT | Ensure that subuid and subgid are defined for the users
+- name: Podman Host | PATCH | Install Podman
+  ansible.builtin.dnf:
+    name:
+      - podman
+      - container-selinux
+      - shadow-utils-subid  # for getsubids
+    state: latest
+  become: true
+
+- name: Podman Host | AUDIT | Ensure that users exist and have subids configured
   ansible.builtin.include_tasks:
-    file: check_subid.yml
+    file: check_users.yml
   vars:
     _podman_host_rootless_user: "{{ item }}"
   with_items: "{{ podman_host_rootless_users }}"
@@ -21,17 +30,10 @@
     reload: true
   become: true
 
-- name: Podman Host | PATCH | Create users for rootless podman
-  ansible.builtin.user:
-    name: "{{ item }}"
-  become: true
-  with_items: "{{ podman_host_rootless_users }}"
-
-- name: Podman Host | PATCH | Set XDG_RUNTIME_DIR in .profile for rootless users
+- name: Podman Host | PATCH | Set XDG_RUNTIME_DIR in .bash_profile for rootless users
   ansible.builtin.lineinfile:
     path: "/home/{{ item }}/.bash_profile"
     line: "export XDG_RUNTIME_DIR=/run/user/$(id -u)"
-    create: false
   become: true
   become_user: "{{ item }}"
   with_items: "{{ podman_host_rootless_users }}"
@@ -46,14 +48,6 @@
   become: true
   with_items: "{{ podman_host_rootless_users }}"
 
-- name: Podman Host | PATCH | Install Podman
-  ansible.builtin.dnf:
-    name:
-      - podman
-      - container-selinux
-    state: latest
-  become: true
-
 - name: Podman Host | PATCH | Create users quadlets directory
   ansible.builtin.file:
     path: "/home/{{ item }}/.config/containers/systemd"