Add docker connection tests (#37)

* Add docker connection tests.

* Make it easier to switch image.

tests/integration/targets/connection_docker/aliases

@@ -1,2 +1,2 @@
-non_local
+shippable/posix/group4
-unsupported
+destructive

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

@@ -0,0 +1,3 @@
+---
+dependencies:
+  - setup_docker

tests/integration/targets/connection_docker/runme-connection.sh

@@ -0,0 +1 @@
+../connection_posix/test.sh

tests/integration/targets/connection_docker/runme.sh

@@ -1 +0,0 @@
-../connection_posix/test.sh

tests/integration/targets/connection_docker/runme.sh

@@ -0,0 +1,46 @@
+#!/usr/bin/env bash
+
+# If you use another image, you possibly also need to adjust
+# ansible_python_interpreter in test_connection.inventory.
+IMAGE=python:3-alpine
+
+# Setup phase
+
+echo "Setup"
+ANSIBLE_ROLES_PATH=.. ansible-playbook setup.yml
+
+# If docker wasn't installed, don't run the tests
+if [ "$(command -v docker)" == "" ]; then
+    exit
+fi
+
+
+# Test phase
+
+
+DOCKER_CONTAINERS="docker-connection-test-container"
+
+[[ -n "$DEBUG" || -n "$ANSIBLE_DEBUG" ]] && set -x
+
+set -euo pipefail
+
+cleanup() {
+    echo "Cleanup"
+    docker rm -f ${DOCKER_CONTAINERS}
+    echo "Shutdown"
+    ANSIBLE_ROLES_PATH=.. ansible-playbook shutdown.yml
+    echo "Done"
+    exit 0
+}
+
+trap cleanup INT TERM EXIT
+
+echo "Start containers"
+for CONTAINER in ${DOCKER_CONTAINERS}; do
+    docker run --rm --name ${CONTAINER} --detach ${IMAGE} /bin/sh -c 'sleep 10m'
+    docker exec ${CONTAINER} pip3 install coverage
+    echo ${CONTAINER}
+done
+
+echo "Run tests"
+./runme-connection.sh

tests/integration/targets/connection_docker/setup.yml

@@ -0,0 +1,10 @@
+---
+- hosts: localhost
+  connection: local
+  vars:
+    docker_skip_cleanup: yes
+
+  tasks:
+    - name: Setup docker
+      import_role:
+        name: setup_docker

tests/integration/targets/connection_docker/shutdown.yml

@@ -0,0 +1,15 @@
+---
+- hosts: localhost
+  connection: local
+  vars:
+    docker_skip_cleanup: yes
+
+  tasks:
+    - name: Remove docker packages
+      action: "{{ ansible_facts.pkg_mgr }}"
+      args:
+        name:
+          - docker
+          - docker-ce
+          - docker-ce-cli
+        state: absent

tests/integration/targets/connection_docker/test_connection.inventory

@@ -1,6 +1,8 @@
 [docker]
-docker-pipelining    ansible_ssh_pipelining=true
+docker-no-pipelining ansible_pipelining=false
-docker-no-pipelining ansible_ssh_pipelining=false
+docker-pipelining    ansible_pipelining=true
+
 [docker:vars]
-ansible_host=ubuntu-latest
+ansible_host=docker-connection-test-container
 ansible_connection=community.docker.docker
+ansible_python_interpreter=/usr/local/bin/python3