Add travis test

.travis.yml

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+---
+sudo: required
+
+env:
+  - distribution: centos
+    version: 7
+  - distribution: fedora
+    version: 29
+  - distribution: fedora
+    version: 28
+  - distribution: ubuntu
+    version: bionic
+  - distribution: ubuntu
+    version: xenial
+  - distribution: ubuntu
+    version: trusty
+  - distribution: debian
+    version: stretch
+  - distribution: debian
+    version: jessie
+
+services:
+  - docker
+
+before_install:
+  - 'sudo docker pull ${distribution}:${version}'
+  - 'sudo docker build --no-cache --rm --file=travis/Dockerfile.${distribution}-${version} --tag=${distribution}-${version}:ansible travis'
+
+script:
+  - container_id=$(mktemp)
+  - 'sudo docker run --detach --privileged -v /sys/fs/cgroup:/sys/fs/cgroup:ro --volume="${PWD}":/etc/ansible/roles/travis_test:ro ${distribution}-${version}:ansible > "${container_id}"'
+  - 'sudo docker exec "$(cat ${container_id})" env ANSIBLE_FORCE_COLOR=1 ansible-playbook -v /etc/ansible/roles/travis_test/travis/test.yml --syntax-check'
+  - 'sudo docker exec "$(cat ${container_id})" env ANSIBLE_FORCE_COLOR=1 ansible-playbook -v /etc/ansible/roles/travis_test/travis/test.yml'
+  - >
+    sudo docker exec "$(cat ${container_id})" env ANSIBLE_FORCE_COLOR=1 ansible-playbook -v /etc/ansible/roles/travis_test/travis/test.yml
+    | grep -q 'changed=0.*failed=0'
+    && (echo 'Idempotence test: pass' && exit 0)
+    || (echo 'Idempotence test: fail' && exit 1)
+  - 'sudo docker rm -f "$(cat ${container_id})"'

travis/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; \
+(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/*;
+
+RUN yum -y install epel-release
+RUN yum -y install git ansible sudo
+
+RUN sed -i -e 's/^\(Defaults\s*requiretty\)/#--- \1/'  /etc/sudoers
+
+RUN echo -e '[local]\nlocalhost ansible_connection=local' > /etc/ansible/hosts
+
+VOLUME ["/sys/fs/cgroup"]
+
+CMD ["/usr/sbin/init"]

travis/Dockerfile.debian-jessie

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+FROM debian:jessie
+
+RUN apt-get update -y && apt-get install -y --no-install-recommends \
+    software-properties-common \
+    build-essential \
+    libffi-dev \
+    libssl-dev \
+    python-dev \
+    python-pip \
+    git \
+ && rm -rf /var/lib/apt/lists/*
+
+RUN pip install --upgrade setuptools && pip install ansible
+
+RUN mkdir -p /etc/ansible && echo "[local]\nlocalhost ansible_connection=local" > /etc/ansible/hosts
+
+ENTRYPOINT ["/sbin/init"]

travis/Dockerfile.debian-stretch

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+FROM debian:stretch
+
+RUN apt-get update -y && apt-get install -y --no-install-recommends \
+    software-properties-common \
+    build-essential \
+    libffi-dev \
+    libssl-dev \
+    python-dev \
+    python-pip \
+    git \
+    systemd \
+ && rm -rf /var/lib/apt/lists/*
+
+RUN pip install --upgrade setuptools && pip install ansible
+
+RUN mkdir -p /etc/ansible && echo "[local]\nlocalhost ansible_connection=local" > /etc/ansible/hosts
+
+ENTRYPOINT ["/bin/systemd"]

travis/Dockerfile.fedora-24

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+FROM fedora:24
+
+RUN dnf -y update
+
+RUN dnf -y install systemd && \
+(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/*;
+
+RUN dnf -y install python2 python-pip libffi-devel redhat-rpm-config python-devel openssl-devel sudo git @development-tools
+
+RUN pip install ansible
+
+RUN sed -i -e 's/^\(Defaults\s*requiretty\)/#--- \1/'  /etc/sudoers
+
+RUN mkdir -p /etc/ansible && echo -e '[local]\nlocalhost ansible_connection=local' > /etc/ansible/hosts
+
+VOLUME ["/sys/fs/cgroup"]
+
+CMD ["/usr/sbin/init"]

travis/Dockerfile.fedora-25

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+FROM fedora:25
+
+RUN dnf -y update
+
+RUN dnf -y install systemd && \
+(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/*;
+
+RUN dnf -y install python2 python-pip libffi-devel redhat-rpm-config python-devel openssl-devel sudo git @development-tools
+
+RUN pip install ansible
+
+RUN sed -i -e 's/^\(Defaults\s*requiretty\)/#--- \1/'  /etc/sudoers
+
+RUN mkdir -p /etc/ansible && echo -e '[local]\nlocalhost ansible_connection=local' > /etc/ansible/hosts
+
+VOLUME ["/sys/fs/cgroup"]
+
+CMD ["/usr/sbin/init"]

travis/Dockerfile.fedora-26

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+FROM fedora:26
+
+RUN dnf -y update
+
+RUN dnf -y install systemd && \
+(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/*;
+
+RUN dnf -y install python2 python-pip libffi-devel redhat-rpm-config python-devel openssl-devel sudo git @development-tools
+
+RUN pip install ansible
+
+RUN sed -i -e 's/^\(Defaults\s*requiretty\)/#--- \1/'  /etc/sudoers
+
+RUN mkdir -p /etc/ansible && echo -e '[local]\nlocalhost ansible_connection=local' > /etc/ansible/hosts
+
+VOLUME ["/sys/fs/cgroup"]
+
+CMD ["/usr/sbin/init"]

travis/Dockerfile.fedora-27

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+FROM fedora:27
+
+RUN dnf -y update
+
+RUN dnf -y install systemd && \
+(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/*;
+
+RUN dnf -y install python2 python-pip libffi-devel redhat-rpm-config python-devel openssl-devel sudo git @development-tools
+
+RUN pip install ansible
+
+RUN sed -i -e 's/^\(Defaults\s*requiretty\)/#--- \1/'  /etc/sudoers
+
+RUN mkdir -p /etc/ansible && echo -e '[local]\nlocalhost ansible_connection=local' > /etc/ansible/hosts
+
+VOLUME ["/sys/fs/cgroup"]
+
+CMD ["/usr/sbin/init"]

travis/Dockerfile.fedora-28

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+FROM fedora:28
+
+RUN dnf -y update
+
+RUN dnf -y install systemd && \
+(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/*;
+
+RUN dnf -y install python2 python-pip libffi-devel redhat-rpm-config python-devel openssl-devel sudo git @development-tools
+
+RUN pip install ansible
+
+RUN sed -i -e 's/^\(Defaults\s*requiretty\)/#--- \1/'  /etc/sudoers
+
+RUN mkdir -p /etc/ansible && echo -e '[local]\nlocalhost ansible_connection=local' > /etc/ansible/hosts
+
+VOLUME ["/sys/fs/cgroup"]
+
+CMD ["/usr/sbin/init"]

travis/Dockerfile.fedora-29

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+FROM fedora:29
+
+RUN dnf -y update
+
+RUN dnf -y install systemd && \
+(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/*;
+
+RUN dnf -y install python2 python-pip libffi-devel redhat-rpm-config python-devel openssl-devel sudo git @development-tools
+
+RUN pip install ansible
+
+RUN sed -i -e 's/^\(Defaults\s*requiretty\)/#--- \1/'  /etc/sudoers
+
+RUN mkdir -p /etc/ansible && echo -e '[local]\nlocalhost ansible_connection=local' > /etc/ansible/hosts
+
+VOLUME ["/sys/fs/cgroup"]
+
+CMD ["/usr/sbin/init"]

travis/Dockerfile.ubuntu-bionic

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+FROM ubuntu:bionic
+
+RUN apt-get update && apt-get dist-upgrade -y && apt-get install -y software-properties-common systemd && rm -rf /var/lib/apt/lists/*
+
+RUN apt-add-repository -y ppa:ansible/ansible && apt-get update && apt-get install -y \
+    git \
+    ansible \
+ && rm -rf /var/lib/apt/lists/*
+
+RUN echo "[local]\nlocalhost ansible_connection=local" > /etc/ansible/hosts
+
+ENTRYPOINT ["/bin/systemd"]

travis/Dockerfile.ubuntu-trusty

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+FROM ubuntu:trusty
+
+RUN apt-get update && apt-get dist-upgrade -y && apt-get install -y software-properties-common && rm -rf /var/lib/apt/lists/*
+
+RUN apt-add-repository -y ppa:ansible/ansible && apt-get update && apt-get install -y \
+    git \
+    ansible \
+ && rm -rf /var/lib/apt/lists/*
+
+RUN echo "[local]\nlocalhost ansible_connection=local" > /etc/ansible/hosts
+
+ENTRYPOINT ["/sbin/init"]

travis/Dockerfile.ubuntu-xenial

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+FROM ubuntu:xenial
+
+RUN apt-get update && apt-get dist-upgrade -y && apt-get install -y software-properties-common && rm -rf /var/lib/apt/lists/*
+
+RUN apt-add-repository -y ppa:ansible/ansible && apt-get update && apt-get install -y \
+    git \
+    ansible \
+ && rm -rf /var/lib/apt/lists/*
+
+RUN echo "[local]\nlocalhost ansible_connection=local" > /etc/ansible/hosts
+
+ENTRYPOINT ["/sbin/init"]

travis/test.yml

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+---
+- hosts: all
+
+  roles:
+    - travis_test