Initial commit

tests/integration/targets/docker_stack/aliases

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+shippable/posix/group2
+skip/aix
+skip/osx
+skip/freebsd
+destructive
+skip/docker  # The tests sometimes make docker daemon unstable; hence,
+             # we skip all docker-based CI runs to avoid disrupting
+             # the whole CI system.

tests/integration/targets/docker_stack/files/stack_compose_base.yml

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+version: '3'
+services:
+    busybox:
+        image: busybox:latest
+        command: sleep 3600

tests/integration/targets/docker_stack/files/stack_compose_overrides.yml

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+version: '3'
+services:
+    busybox:
+        environment:
+            envvar: value

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

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+---
+dependencies:
+  - setup_docker

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

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+- include_tasks: test_stack.yml
+  when: docker_api_version is version('1.25', '>=')
+
+- fail: msg="Too old docker / docker-py version to run docker_stack tests!"
+  when: not(docker_api_version is version('1.25', '>=')) and (ansible_distribution != 'CentOS' or ansible_distribution_major_version|int > 6)

tests/integration/targets/docker_stack/tasks/test_stack.yml

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+---
+- block:
+  - name: Make sure we're not already using Docker swarm
+    docker_swarm:
+      state: absent
+      force: true
+
+  - name: Create a Swarm cluster
+    docker_swarm:
+      state: present
+      advertise_addr: "{{ansible_default_ipv4.address}}"
+
+  - name: install docker_stack python requirements
+    pip:
+      name: jsondiff,pyyaml
+
+  - name: Create a stack without name
+    register: output
+    docker_stack:
+      state: present
+    ignore_errors: yes
+
+  - name: assert failure when name not set
+    assert:
+      that:
+      - output is failed
+      - 'output.msg == "missing required arguments: name"'
+
+  - name: Create a stack without compose
+    register: output
+    docker_stack:
+      name: test_stack
+    ignore_errors: yes
+
+  - name: assert failure when compose not set
+    assert:
+      that:
+      - output is failed
+      - 'output.msg == "compose parameter must be a list containing at least one element"'
+
+  - name: Ensure stack is absent
+    register: output
+    docker_stack:
+      state: absent
+      name: test_stack
+      absent_retries: 30
+
+  - name: Copy compose files
+    copy:
+      src: "{{item}}"
+      dest: "{{output_dir}}/"
+    with_items:
+    - stack_compose_base.yml
+    - stack_compose_overrides.yml
+
+  - name: Create stack with compose file
+    register: output
+    docker_stack:
+      state: present
+      name: test_stack
+      compose:
+      - "{{output_dir}}/stack_compose_base.yml"
+
+  - name: assert test_stack changed on stack creation with compose file
+    assert:
+      that:
+      - output is changed
+
+  # FIXME: updating the stack prevents leaving the swarm on Shippable
+  #- name: Update stack with YAML
+  #  register: output
+  #  docker_stack:
+  #    state: present
+  #    name: test_stack
+  #    compose:
+  #    - "{{stack_compose_base}}"
+  #    - "{{stack_compose_overrides}}"
+  #
+  #- name: assert test_stack correctly changed on update with yaml
+  #  assert:
+  #    that:
+  #    - output is changed
+  #    - output.stack_spec_diff == stack_update_expected_diff
+
+  - name: Delete stack
+    register: output
+    docker_stack:
+      state: absent
+      name: test_stack
+      absent_retries: 30
+
+  - name: assert delete of existing stack returns changed
+    assert:
+      that:
+      - output is changed
+
+  - name: Delete stack again
+    register: output
+    docker_stack:
+      state: absent
+      name: test_stack
+      absent_retries: 30
+
+  - name: assert state=absent idempotency
+    assert:
+      that:
+      - output is not changed
+
+  always:
+  - name: Remove a Swarm cluster
+    docker_swarm:
+      state: absent
+      force: true

tests/integration/targets/docker_stack/vars/main.yml

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+stack_compose_base:
+    version: '3'
+    services:
+        busybox:
+            image: busybox:latest
+            command: sleep 3600
+
+stack_compose_overrides:
+    version: '3'
+    services:
+        busybox:
+            environment:
+                envvar: value
+
+stack_update_expected_diff: '{"test_stack_busybox": {"TaskTemplate": {"ContainerSpec": {"Env": ["envvar=value"]}}}}'