add travis

.travis.yml

@@ -0,0 +1,24 @@
+---
+language: python
+python: "2.7"
+
+before_install:
+  # Make sure everything's up to date.
+  - sudo apt-get update -qq
+
+install:
+  # Install Ansible.
+  - pip install ansible
+
+  # Add ansible.cfg to pick up roles path.
+  - "printf '[defaults]\nroles_path = ../' > ansible.cfg"
+
+script:
+  - ansible-playbook -i tests/inventory tests/test.yml --syntax-check
+  - "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)

.yamllint

@@ -0,0 +1,11 @@
+extends: default
+
+rules:
+  braces:
+    max-spaces-inside: 1
+    level: error
+  brackets:
+    max-spaces-inside: 1
+    level: error
+  line-length: disable
+  truthy: disable

molecule/default/Dockerfile.j2

@@ -0,0 +1,14 @@
+# Molecule managed
+
+{% if item.registry is defined %}
+FROM {{ item.registry.url }}/{{ item.image }}
+{% else %}
+FROM {{ item.image }}
+{% endif %}
+
+RUN if [ $(command -v apt-get) ]; then apt-get update && apt-get install -y python sudo bash ca-certificates && apt-get clean; \
+    elif [ $(command -v dnf) ]; then dnf makecache && dnf --assumeyes install python sudo python-devel python*-dnf bash && dnf clean all; \
+    elif [ $(command -v yum) ]; then yum makecache fast && yum install -y python sudo yum-plugin-ovl bash && sed -i 's/plugins=0/plugins=1/g' /etc/yum.conf && yum clean all; \
+    elif [ $(command -v zypper) ]; then zypper refresh && zypper install -y python sudo bash python-xml && zypper clean -a; \
+    elif [ $(command -v apk) ]; then apk update && apk add --no-cache python sudo bash ca-certificates; \
+    elif [ $(command -v xbps-install) ]; then xbps-install -Syu && xbps-install -y python sudo bash ca-certificates && xbps-remove -O; fi

molecule/default/INSTALL.rst

@@ -0,0 +1,22 @@
+*******
+Docker driver installation guide
+*******
+
+Requirements
+============
+
+* Docker Engine
+
+Install
+=======
+
+Please refer to the `Virtual environment`_ documentation for installation best
+practices. If not using a virtual environment, please consider passing the
+widely recommended `'--user' flag`_ when invoking ``pip``.
+
+.. _Virtual environment: https://virtualenv.pypa.io/en/latest/
+.. _'--user' flag: https://packaging.python.org/tutorials/installing-packages/#installing-to-the-user-site
+
+.. code-block:: bash
+
+    $ pip install 'molecule[docker]'

molecule/default/molecule.yml

@@ -0,0 +1,18 @@
+---
+dependency:
+  name: galaxy
+driver:
+  name: docker
+lint:
+  name: yamllint
+platforms:
+  - name: instance
+    image: centos:7
+provisioner:
+  name: ansible
+  lint:
+    name: ansible-lint
+verifier:
+  name: testinfra
+  lint:
+    name: flake8

molecule/default/playbook.yml

@@ -0,0 +1,5 @@
+---
+- name: Converge
+  hosts: all
+  roles:
+    - role: generate-ssh-keys

molecule/default/tests/test_default.py

@@ -0,0 +1,14 @@
+import os
+
+import testinfra.utils.ansible_runner
+
+testinfra_hosts = testinfra.utils.ansible_runner.AnsibleRunner(
+    os.environ['MOLECULE_INVENTORY_FILE']).get_hosts('all')
+
+
+def test_hosts_file(host):
+    f = host.file('/etc/hosts')
+
+    assert f.exists
+    assert f.user == 'root'
+    assert f.group == 'root'

molecule/default/yaml-link.yml

@@ -0,0 +1,6 @@
+---
+extends: default
+rules:
+  line-length:
+    max: 120
+    level: warning

tests/test.yml

@@ -2,4 +2,6 @@
 - hosts: localhost
   remote_user: root
   roles:
-    - generate-ssh-keys
+    - role: generate-ssh-keys
+      vars:
+        generate_ssh_keys_target_server: "localhost"