Merge pull request #25 from geerlingguy/docker-role-tests

Update tests using Docker for cross-platform PHP 7 testing.

.travis.yml

@@ -1,42 +1,52 @@
 ---
 sudo: required
-language: python
-python: "2.7"
 
 env:
-  - SITE=test.yml
-  - SITE=test-global-require.yml
+  - distribution: centos
+    version: 7
+    init: /usr/lib/systemd/systemd
+    run_opts: "--privileged --volume=/sys/fs/cgroup:/sys/fs/cgroup:ro"
+  - distribution: ubuntu
+    version: 14.04
+    init: /sbin/init
+    run_opts: ""
+
+services:
+  - docker
 
 before_install:
-  - sudo apt-get update -qq
-  - sudo apt-get install curl
+  # - 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'
 
-install:
-  # Install Ansible.
-  - pip install ansible
-
-  # Add ansible.cfg to pick up roles path.
-  - "{ echo '[defaults]'; echo 'roles_path = ../'; } >> ansible.cfg"
+script:
+  - container_id=$(mktemp)
+  # Run container in detached state
+  - 'sudo docker run --detach --volume="${PWD}":/etc/ansible/roles/role_under_test:ro ${run_opts} ${distribution}-${version}:ansible "${init}" > "${container_id}"'
 
-  # Install required dependencies.
-  - ansible-galaxy install geerlingguy.php
+  # Install dependencies.
+  - 'sudo docker exec "$(cat ${container_id})" ansible-galaxy install -r /etc/ansible/roles/role_under_test/tests/requirements.yml'
 
-script:
-  # Check the role/playbook's syntax.
-  - "ansible-playbook -i tests/inventory tests/$SITE --syntax-check"
+  # Ansible syntax check.
+  - 'sudo docker exec --tty "$(cat ${container_id})" env TERM=xterm ansible-playbook /etc/ansible/roles/role_under_test/tests/test.yml --syntax-check'
 
-  # Run the role/playbook with ansible-playbook.
-  - "ansible-playbook -i tests/inventory tests/$SITE --connection=local --sudo"
+  # Test role.
+  - 'sudo docker exec --tty "$(cat ${container_id})" env TERM=xterm ansible-playbook /etc/ansible/roles/role_under_test/tests/test.yml'
 
-  # Run the role/playbook again, checking to make sure it's idempotent.
+  # Test role idempotence.
   - >
-    ansible-playbook -i tests/inventory tests/$SITE --connection=local --sudo
+    sudo docker exec "$(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)
 
-  # Check if composer is installed and working.
-  - composer
+  # Ensure Composer is installed and working.
+  - 'sudo docker exec --tty "$(cat ${container_id})" env TERM=xterm composer'
+
+  # Clean up
+  - 'sudo docker stop "$(cat ${container_id})"'
 
 notifications:
   webhooks: https://galaxy.ansible.com/api/v1/notifications/

tests/Dockerfile.centos-7

@@ -0,0 +1,27 @@
+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

@@ -0,0 +1,14 @@
+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
+
+COPY initctl_faker .
+RUN chmod +x initctl_faker && rm -fr /sbin/initctl && ln -s /initctl_faker /sbin/initctl
+
+# Install Ansible inventory file
+RUN echo "[local]\nlocalhost ansible_connection=local" > /etc/ansible/hosts

tests/initctl_faker

@@ -0,0 +1,23 @@
+#!/bin/sh
+ALIAS_CMD="$(echo ""$0"" | sed -e 's?/sbin/??')"
+
+case "$ALIAS_CMD" in
+    start|stop|restart|reload|status)
+        exec service $1 $ALIAS_CMD
+        ;;
+esac
+
+case "$1" in
+    list )
+        exec service --status-all
+        ;;
+    reload-configuration )
+        exec service $2 restart
+        ;;
+    start|stop|restart|reload|status)
+        exec service $2 $1
+        ;;
+    \?)
+        exit 0
+        ;;
+esac

tests/requirements.yml

@@ -0,0 +1,3 @@
+---
+- src: geerlingguy.repo-remi
+- src: geerlingguy.php

tests/test.yml

@@ -3,8 +3,19 @@
   remote_user: root
 
   vars:
+    php_enablerepo: "remi,remi-php70"
     php_enable_webserver: false
 
+    # Test a global requirement.
+    composer_global_packages:
+      - { name: phpunit/phpunit, release: "@stable" }
+
+  pre_tasks:
+    - name: Add repository for PHP 7.0.
+      apt_repository: repo='ppa:ondrej/php'
+      when: ansible_os_family == 'Debian'
+
   roles:
+    - { role: geerlingguy.repo-remi, when: ansible_os_family == 'RedHat' }
     - geerlingguy.php
-    - ansible-role-composer
+    - role_under_test