Initial commit

tests/integration/targets/docker_prune/aliases

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+shippable/posix/group2
+skip/aix
+skip/osx
+skip/freebsd
+destructive

tests/integration/targets/docker_prune/meta/main.yml

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+---
+dependencies:
+  - setup_docker

tests/integration/targets/docker_prune/tasks/main.yml

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+---
+- name: Create random names
+  set_fact:
+    cname: "{{ 'ansible-container-%0x' % ((2**32) | random) }}"
+    nname: "{{ 'ansible-network-%0x' % ((2**32) | random) }}"
+    vname: "{{ 'ansible-volume-%0x' % ((2**32) | random) }}"
+
+- block:
+  # Create objects to be pruned
+  - docker_container:
+      name: "{{ cname }}"
+      image: hello-world
+      state: present
+    register: container
+  - docker_network:
+      name: "{{ nname }}"
+      state: present
+    register: network
+  - docker_volume:
+      name: "{{ vname }}"
+      state: present
+    register: volume
+
+  # Prune objects
+  - docker_prune:
+      containers: yes
+      images: yes
+      networks: yes
+      volumes: yes
+      builder_cache: "{{ docker_py_version is version('3.3.0', '>=') }}"
+    register: result
+
+  # Analyze result
+  - debug: var=result
+  - assert:
+      that:
+      # containers
+      - container.container.Id in result.containers
+      - "'containers_space_reclaimed' in result"
+      # images
+      - "'images_space_reclaimed' in result"
+      # networks
+      - network.network.Name in result.networks
+      # volumes
+      - volume.volume.Name in result.volumes
+      - "'volumes_space_reclaimed' in result"
+      # builder_cache
+      - "'builder_cache_space_reclaimed' in result or docker_py_version is version('3.3.0', '<')"
+      - "'builder_cache_space_reclaimed' not in result or docker_py_version is version('3.3.0', '>=')"
+
+  # Test with filters
+  - docker_prune:
+      images: yes
+      images_filters:
+        dangling: true
+    register: result
+
+  - debug: var=result
+
+  when: docker_py_version is version('2.1.0', '>=') and docker_api_version is version('1.25', '>=')
+
+- fail: msg="Too old docker / docker-py version to run docker_prune tests!"
+  when: not(docker_py_version is version('2.1.0', '>=') and docker_api_version is version('1.25', '>=')) and (ansible_distribution != 'CentOS' or ansible_distribution_major_version|int > 6)