add docker examples

projet00/collections/ansible_collections/community/docker/tests/ee/all.yml

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+---
+# Copyright (c) Ansible Project
+# GNU General Public License v3.0+ (see LICENSES/GPL-3.0-or-later.txt or https://www.gnu.org/licenses/gpl-3.0.txt)
+# SPDX-License-Identifier: GPL-3.0-or-later
+
+- hosts: localhost
+  vars:
+    docker_test_image_alpine: quay.io/ansible/docker-test-containers:alpine3.8
+  tasks:
+    - name: Find all roles
+      find:
+        paths:
+          - "{{ (playbook_dir | default('.')) ~ '/roles' }}"
+        file_type: directory
+        depth: 1
+      register: result
+    - name: Include all roles
+      include_role:
+        name: "{{ item }}"
+      loop: "{{ result.files | map(attribute='path') | map('regex_replace', '.*/', '') | sort }}"

projet00/collections/ansible_collections/community/docker/tests/ee/roles/current_container_facts/tasks/main.yml

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+---
+# Copyright (c) Ansible Project
+# GNU General Public License v3.0+ (see LICENSES/GPL-3.0-or-later.txt or https://www.gnu.org/licenses/gpl-3.0.txt)
+# SPDX-License-Identifier: GPL-3.0-or-later
+
+- name: Retrieve information on current container
+  community.docker.current_container_facts:
+  register: result
+
+# The following two tasks are useful if we ever have to debug why this fails.
+
+- name: Print all Ansible facts
+  debug:
+    var: ansible_facts
+
+- name: Read some files
+  slurp:
+    src: "{{ item }}"
+  loop:
+    - /proc/self/cpuset
+    - /proc/1/cgroup
+    - /proc/1/environ
+
+- name: Print facts returned by module
+  debug:
+    var: result.ansible_facts
+
+- name: Validate results
+  assert:
+    that:
+      - ansible_module_running_in_container
+      - ansible_module_container_type != ''

projet00/collections/ansible_collections/community/docker/tests/ee/roles/docker_plain/tasks/main.yml

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+---
+# Copyright (c) Ansible Project
+# GNU General Public License v3.0+ (see LICENSES/GPL-3.0-or-later.txt or https://www.gnu.org/licenses/gpl-3.0.txt)
+# SPDX-License-Identifier: GPL-3.0-or-later
+
+# Create random name prefix (for containers, networks, ...)
+- name: Create random container name prefix
+  set_fact:
+    cname_prefix: "{{ 'ansible-docker-test-%0x' % ((2**32) | random) }}"
+
+- name: Make sure image is absent
+  community.docker.docker_image:
+    name: "{{ docker_test_image_alpine }}"
+    state: absent
+
+- name: Make sure image is pulled
+  community.docker.docker_image:
+    name: "{{ docker_test_image_alpine }}"
+    source: pull
+
+- name: Start container
+  community.docker.docker_container:
+    name: "{{ cname_prefix }}-1"
+    image: "{{ docker_test_image_alpine }}"
+    state: started
+
+- name: Remove container
+  community.docker.docker_container:
+    name: "{{ cname_prefix }}-1"
+    state: absent
+    stop_timeout: 1
+    force_kill: true

projet00/collections/ansible_collections/community/docker/tests/ee/roles/docker_stack/tasks/main.yml

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+---
+# Copyright (c) Ansible Project
+# GNU General Public License v3.0+ (see LICENSES/GPL-3.0-or-later.txt or https://www.gnu.org/licenses/gpl-3.0.txt)
+# SPDX-License-Identifier: GPL-3.0-or-later
+
+# Currently the docker_stack* modules are not supported in the EE since we'd need to install the Docker CLI client