added tests

Author: Eric Anderson

.travis.yml

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+---
+sudo: required
+
+env:
+  - distribution: centos
+    version: 7
+    init: /usr/lib/systemd/systemd
+    run_opts: "--privileged --volume=/sys/fs/cgroup:/sys/fs/cgroup:ro"
+  - distribution: ubuntu
+    version: 16.04
+    init: /sbin/init
+    run_opts: ""
+  - distribution: ubuntu
+    version: 14.04
+    init: /sbin/init
+    run_opts: ""
+
+services:
+  - docker
+
+before_install:
+  # - sudo apt-get update
+  # Pull container
+  - 'sudo docker pull ${distribution}:${version}'
+  # Customize container
+  - 'sudo docker build --rm=true --file=tests/Dockerfile.${distribution}-${version} --tag=${distribution}-${version}:ansible tests'
+
+script:
+  - container_id=$(mktemp)
+  # Run container in detached state
+  - 'sudo docker run --privileged --detach --volume="${PWD}":/etc/ansible/roles/role_under_test:ro ${run_opts} ${distribution}-${version}:ansible "${init}" > "${container_id}"'
+
+  # Ansible syntax check.
+  - 'sudo docker exec --tty "$(cat ${container_id})" env TERM=xterm ansible-playbook /etc/ansible/roles/role_under_test/tests/test.yml --syntax-check'
+
+  # Test role.
+  - 'sudo docker exec --tty "$(cat ${container_id})" env TERM=xterm ansible-playbook /etc/ansible/roles/role_under_test/tests/test.yml'
+
+  # Test role idempotence.
+  - >
+    sudo docker exec "$(cat ${container_id})" ansible-playbook /etc/ansible/roles/role_under_test/tests/test.yml
+    | grep -q 'changed=0.*failed=0'
+    && (echo 'Idempotence test: pass' && exit 0)
+    || (echo 'Idempotence test: fail' && exit 1)
+  # Clean up
+  - 'sudo docker stop "$(cat ${container_id})"'
+
+notifications:
+  webhooks: https://galaxy.ansible.com/api/v1/notifications/

tests/Dockerfile.centos-7

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+FROM centos:7
+
+# Install systemd -- See https://hub.docker.com/_/centos/
+RUN yum -y swap -- remove fakesystemd -- install systemd systemd-libs
+RUN yum -y update; yum clean all; \
+(cd /lib/systemd/system/sysinit.target.wants/; for i in *; do [ $i == systemd-tmpfiles-setup.service ] || rm -f $i; done); \
+rm -f /lib/systemd/system/multi-user.target.wants/*; \
+rm -f /etc/systemd/system/*.wants/*; \
+rm -f /lib/systemd/system/local-fs.target.wants/*; \
+rm -f /lib/systemd/system/sockets.target.wants/*udev*; \
+rm -f /lib/systemd/system/sockets.target.wants/*initctl*; \
+rm -f /lib/systemd/system/basic.target.wants/*; \
+rm -f /lib/systemd/system/anaconda.target.wants/*;
+
+# Install Ansible
+RUN yum -y install epel-release
+RUN yum -y install git ansible sudo
+RUN yum clean all
+
+# Disable requiretty
+RUN sed -i -e 's/^\(Defaults\s*requiretty\)/#--- \1/'  /etc/sudoers
+
+# Install Ansible inventory file
+RUN echo -e '[local]\nlocalhost ansible_connection=local' > /etc/ansible/hosts
+
+VOLUME ["/sys/fs/cgroup"]
+CMD ["/usr/sbin/init"]

tests/Dockerfile.ubuntu-14.04

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+FROM ubuntu:14.04
+RUN apt-get update
+
+# Install Ansible
+RUN apt-get install -y software-properties-common git
+RUN apt-add-repository -y ppa:ansible/ansible
+RUN apt-get update
+RUN apt-get install -y ansible
+
+# Install Ansible inventory file
+RUN echo "[local]\nlocalhost ansible_connection=local" > /etc/ansible/hosts

tests/Dockerfile.ubuntu-16.04

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+FROM ubuntu:16.04
+RUN apt-get update
+
+# Install Ansible
+RUN apt-get install -y software-properties-common git
+RUN apt-add-repository -y ppa:ansible/ansible
+RUN apt-get update
+RUN apt-get install -y ansible
+
+# Install Ansible inventory file
+RUN echo "[local]\nlocalhost ansible_connection=local" > /etc/ansible/hosts

tests/test.yml

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+- hosts: all
+
+  pre_tasks:
+    - name: Ensure build dependencies are installed (RedHat).
+      yum: 'name="{{ item }}" state=present'
+      with_items:
+        - "@Development tools"
+        - tar
+        - unzip
+        - sudo
+        - which
+      when: ansible_os_family == 'RedHat'
+
+    - name: Ensure build dependencies are installed (Debian).
+      apt: 'name="{{ item }}" state=installed'
+      with_items:
+        - build-essential
+        - unzip
+        - tar
+        - sudo
+      when: ansible_os_family == 'Debian'
+
+  roles:
+    - role_under_test