Use Docker on travis for CI

.travis.yml

@@ -1,17 +1,8 @@
 ---
 sudo: required
-dist: precise
-language: python
-python: 2.7.11
 
-env:
-  - SITE=test.yml
-
-install:
-  - pip install ansible ansible-lint --upgrade
-  - ansible --version
-  - "{ echo '[defaults]'; echo 'roles_path = ../'; } >> ansible.cfg"
+services:
+  - docker
 
 script:
-  - "ansible-playbook -i tests/inventory tests/$SITE --syntax-check"
-  - "ansible-lint tests/$SITE"
+  - docker build .

Dockerfile

@@ -0,0 +1,26 @@
+FROM debian:stretch
+MAINTAINER Laurent Arnoud <laurent@spkdev.net>
+
+ENV ROLE_NAME ansible-syncthing-debian
+ENV WORKDIR /build/${ROLE_NAME}
+ENV PYTHONUNBUFFERED 1
+
+WORKDIR ${WORKDIR}
+RUN apt-get update -qq \
+    && apt-get -y --no-install-recommends install ansible python-pip \
+    && apt-get purge -y \
+    && apt-get autoremove -y \
+    && apt-get clean && rm -rf /var/lib/apt/lists/* /tmp/* /var/tmp/*
+RUN pip install ansible-lint
+ADD . ${WORKDIR}
+ADD . /etc/ansible/roles/${ROLE_NAME}
+ADD ./tests/inventory /etc/ansible/hosts
+
+RUN ansible-playbook -i $WORKDIR/tests/inventory $WORKDIR/tests/test.yml --syntax-check
+RUN ansible-lint $WORKDIR/tests/test.yml
+RUN ansible-playbook -i $WORKDIR/tests/inventory $WORKDIR/tests/test.yml --connection=local
+RUN ansible-playbook -i $WORKDIR/tests/inventory $WORKDIR/tests/test.yml --connection=local \
+    | grep -q 'changed=0.*failed=0' \
+    && (echo 'Idempotence test: pass' && exit 0) \
+    || (echo 'Idempotence test: fail' && exit 1)
+RUN syncthing -version