chore(travis): use docker to run tests

.travis.yml

@@ -1,41 +1,16 @@
 ---
-language: python
-python: "2.7"
+services:
+  - docker
 
-sudo: true
+env:
+  matrix:
+    - DOCKER_IMAGE=sebastienelet/docker-ubuntu1404-ansible DOCKER_INIT=/sbin/init
 
-# Install ansible
-addons:
-  apt:
-    packages:
-    - python-pip
-
-install:
-  # Install ansible
-  - pip install ansible
-
-  # Check ansible version
-  - ansible --version
-
-  # Create ansible.cfg with correct roles_path
-  - printf '[defaults]\nroles_path=../' >ansible.cfg
-
-  # Install dependencies
-  - ansible-galaxy install SimpliField.transparent-huge-pages
+before_install:
+  - make docker-pull
 
 script:
-  # Basic role syntax check
-  - ansible-playbook tests/test.yml -i tests/inventory --syntax-check
-  # Run the role/playbook with ansible-playbook.
-  - ansible-playbook -i tests/inventory tests/test.yml --connection=local --sudo
-  # Run the role/playbook again, checking to make sure it's idempotent.
-  - >
-    ansible-playbook -i tests/inventory tests/test.yml --connection=local --sudo
-    | grep -q 'changed=0.*failed=0'
-    && (echo 'Idempotence test: pass' && exit 0)
-    || (echo 'Idempotence test: fail' && exit 1)
-  # Test if /usr/local/bin/mongobackup.sh is present
-  - ls -lah /usr/bin/mongod
+  - make test
 
 notifications:
   webhooks: https://galaxy.ansible.com/api/v1/notifications/

Makefile

@@ -0,0 +1,34 @@
+DOCKER_IMAGE?="sebastienelet/docker-debian8-ansible"
+DOCKER_INIT?=/lib/systemd/systemd
+docker-container-id:=$(shell mktemp)
+idempotence:=$(shell mktemp)
+
+test: docker-run docker-test docker-stop
+
+docker-pull:
+	docker pull $(DOCKER_IMAGE)
+
+docker-run: docker-pull
+	docker run --detach \
+	--volume="${PWD}":/etc/ansible/roles/role_under_test:ro \
+	--privileged --volume=/sys/fs/cgroup:/sys/fs/cgroup:ro \
+	$(DOCKER_IMAGE) \
+	$(DOCKER_INIT) > $(docker-container-id)
+
+docker-stop:
+	docker stop $(shell cat ${docker-container-id})
+
+docker-test: docker-requirements docker-test-syntax docker-test-role docker-test-role-idempotence
+
+docker-requirements:
+	docker exec "$(shell cat ${docker-container-id})" ansible-galaxy install SimpliField.transparent-huge-pages
+docker-test-syntax:
+	docker exec --tty "$(shell cat ${docker-container-id})" env TERM=xterm ansible-playbook /etc/ansible/roles/role_under_test/tests/test.yml --syntax-check
+docker-test-role:
+	docker exec "$(shell cat ${docker-container-id})" ansible-playbook /etc/ansible/roles/role_under_test/tests/test.yml -e "$(ROLE_OPTIONS)"
+docker-test-role-idempotence:
+	docker exec "$(shell cat ${docker-container-id})" ansible-playbook /etc/ansible/roles/role_under_test/tests/test.yml -e "$(ROLE_OPTIONS)" | tee -a $(idempotence)
+	tail $(idempotence) \
+		| grep -q 'changed=0.*failed=0' \
+		&& (echo 'Idempotence test: pass' && exit 0) \
+		|| (echo 'Idempotence test: fail' && exit 1)

tests/test.yml

@@ -2,4 +2,4 @@
 - hosts: localhost
   remote_user: root
   roles:
-    - ansible-mongo
+  - role_under_test