major cleanup of ansible tasks in podman role

ansible/roles/podman/tasks/podman/podman-check.yml

@@ -0,0 +1,20 @@
+---
+- name: get container info
+  become: true
+  become_user: "{{ podman_user }}"
+  containers.podman.podman_container_info:
+    name: "{{ container_name }}"
+  register: container
+
+- name: check
+  debug:
+    msg: "image '{{ container.containers[0]['ImageName'] }}' not equivalent to '{{ container_image }}'!"
+  when: container.containers[0]["ImageName"] != container_image
+
+- name: delete container if necessary
+  become: true
+  become_user: "{{ podman_user }}"
+  containers.podman.podman_container:
+    name: "{{ container_name }}"
+    state: absent
+  when: container.containers[0]["ImageName"] != container_image

ansible/roles/podman/tasks/podman/systemd-generate.yml

@@ -0,0 +1,24 @@
+---
+- name: create systemd startup job for {{ container_name }}
+  become: true
+  become_user: "{{ podman_user }}"
+  changed_when: false
+  ansible.builtin.shell: |
+    podman generate systemd --name {{ container_name }} > {{ podman_home }}/.config/systemd/user/{{ container_name }}.service
+  tags: always
+
+- name: enable systemd startup job for {{ container_name }}
+  become: true
+  become_user: "{{ podman_user }}"
+  ansible.builtin.systemd:
+    name: "{{ container_name }}.service"
+    daemon_reload: true
+    enabled: true
+    state: restarted
+    scope: user
+  register: result
+  retries: 3
+  delay: 1
+  until: result is not failed
+  ignore_errors: true
+  tags: always