Add hawser role and playbook for stack upgrades

roles/hawser/tasks/main.yml

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+- name: Update Hawser Docker stack
+  ansible.builtin.import_tasks: update-stack.yml

roles/hawser/tasks/update-stack.yml

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+- name: Gather Docker host information
+  community.docker.docker_host_info:
+  register: hawser_docker_info
+  ignore_errors: true
+
+- name: Check if Hawser compose file is present
+  ansible.builtin.stat:
+    path: "{{ hawser_compose_dir }}/docker-compose.yml"
+  register: hawser_compose_file
+  when: hawser_docker_info is not failed
+
+- name: Deploy Hawser compose file from template
+  ansible.builtin.template:
+    src: docker-compose.yml.j2
+    dest: "{{ hawser_compose_dir }}/docker-compose.yml"
+    owner: root
+    group: root
+    mode: "0640"
+  when:
+    - hawser_docker_info is not failed
+    - hawser_compose_file.stat.exists
+
+- name: Pull latest images and recreate Hawser stack
+  community.docker.docker_compose_v2:
+    project_src: "{{ hawser_compose_dir }}"
+    project_name: "{{ hawser_project_name }}"
+    state: present
+    pull: always
+  when:
+    - hawser_docker_info is not failed
+    - hawser_compose_file.stat.exists