Add: requirements.txt, requirements.yml, tasks/setup-docker-compose.yml new files

requirements.txt

@@ -0,0 +1,5 @@
+yamllint
+ansible
+molecule
+molecule-plugins[docker]
+docker

requirements.yml

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+---
+collections:
+  - name: community.general

tasks/setup-docker-compose.yml

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+---
+- name: Check current docker-compose version.
+  ansible.builtin.command: "{{ docker_compose_path }} --version"
+  register: docker_compose_vsn
+  check_mode: false
+  changed_when: false
+  failed_when: false
+
+- name: Set Docker Compose Current Version
+  ansible.builtin.set_fact:
+    docker_compose_current_version: "{{ docker_compose_vsn.stdout | regex_search('(\\d+(\\.\\d+)+)') }}"
+  when: >
+    docker_compose_vsn.stdout is defined
+    and (docker_compose_vsn.stdout | length > 0)
+
+- name: Delete existing docker-compose version if it's different.
+  ansible.builtin.file:
+    path: "{{ docker_compose_path }}"
+    state: absent
+  when: >
+    docker_compose_current_version is defined
+    and (docker_compose_version | regex_replace('v', '')) not in docker_compose_current_version
+
+- name: Install Docker Compose (if configured).
+  ansible.builtin.get_url:
+    url: "{{ docker_compose_url }}"
+    dest: "{{ docker_compose_path }}"
+    mode: "0755"
+  environment: "{{ proxy_env | default({}) }}"
+  when: >
+    (docker_compose_current_version is not defined)
+    or (docker_compose_current_version | length == 0)
+    or (docker_compose_current_version is version((docker_compose_version | regex_replace('v', '')), '<'))