Add initial docker setup

.travis.yml

@@ -1,55 +1,72 @@
 ---
-language: python
-python: "2.7"
+sudo: required
 
 env:
-  - SITE=test.yml
+  matrix:
+    - distribution: centos
+      version: 6
+      init: /sbin/init
+      run_opts: ""
+    - 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: ""
+    - distribution: ubuntu
+      version: 12.04
+      init: /sbin/init
+      run_opts: ""
+  global:
+    - testfile: test.yml
 
-before_install:
-  - sudo apt-get update -qq
-
-  # Remove MySQL. Completely and totally.
-  - sudo apt-get remove --purge 'mysql*'
-  - sudo apt-get autoremove
-  - sudo apt-get autoclean
-  - sudo rm -rf /var/lib/mysql
-  - sudo truncate -s 0 /var/log/mysql/error.log
-
-install:
-  # Install Ansible.
-  - pip install ansible
+services:
+  - docker
 
-  # Add ansible.cfg to pick up roles path.
-  - "{ echo '[defaults]'; echo 'roles_path = ../'; } >> ansible.cfg"
+before_install:
+  # 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:
-  # Check the role/playbook's syntax.
-  - "ansible-playbook -i tests/inventory tests/$SITE --syntax-check"
+  - container_id=$(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}"'
+
+  # Ansible syntax check.
+  - 'sudo docker exec --tty "$(cat ${container_id})" env TERM=xterm ansible-playbook /etc/ansible/roles/role_under_test/tests/${testsite} --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 ${container_id})" env TERM=xterm ansible-playbook /etc/ansible/roles/role_under_test/tests/${testsite}'
 
-  # 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 ${container_id})" ansible-playbook /etc/ansible/roles/role_under_test/tests/${testsite}
     | grep -q 'changed=0.*failed=0'
     && (echo 'Idempotence test: pass' && exit 0)
     || (echo 'Idempotence test: fail' && exit 1)
 
   # Some MySQL debugging (show all the logs).
-  - "sudo ls -lah /var/log"
-  - "sudo cat /var/log/mysql/error.log"
+  - sudo docker exec --tty "$(cat ${container_id})" env TERM=xterm ls -lah /var/log
+  - sudo docker exec --tty "$(cat ${container_id})" env TERM=xterm cat /var/log/mysql/error.log || true
+  - sudo docker exec --tty "$(cat ${container_id})" env TERM=xterm cat /var/log/mysql.err || true
 
   # Check to make sure we can connect to MySQL via Unix socket.
   - >
-    mysql -u root -proot -e 'show databases;'
+    sudo docker exec "$(cat ${container_id})" mysql -u root -proot -e 'show databases;'
     | grep -q 'performance_schema'
     && (echo 'MySQL running normally' && exit 0)
     || (echo 'MySQL not running' && exit 1)
 
   # Check to make sure we can connect to MySQL via TCP.
   - >
-    mysql -u root -proot -h 127.0.0.1 -e 'show databases;'
+    sudo docker exec "$(cat ${container_id})" mysql -u root -proot -h 127.0.0.1 -e 'show databases;'
     | grep -q 'performance_schema'
     && (echo 'MySQL running normally' && exit 0)
     || (echo 'MySQL not running' && exit 1)
+
+  # Clean up
+  - 'sudo docker stop "$(cat ${container_id})"'

tasks/setup-Debian.yml

@@ -18,7 +18,7 @@
 # Because Ubuntu starts MySQL as part of the install process, we need to stop
 # mysql and remove the logfiles in case the user set a custom log file size.
 - name: Ensure MySQL is stopped after initial install.
-  service: name=mysql state=stopped
+  service: "name={{ mysql_daemon }} state=stopped"
   when: mysql_installed.stat.exists == false
 
 - name: Delete innodb log files created by apt package after initial install.

tests/Dockerfile.centos-6

@@ -0,0 +1,15 @@
+FROM centos:6
+
+# Install Ansible
+RUN yum -y update; yum clean all;
+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
+
+CMD ["/usr/sbin/init"]

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-12.04

@@ -0,0 +1,11 @@
+FROM ubuntu:12.04
+RUN apt-get update
+
+# Install Ansible
+RUN apt-get install -y software-properties-common python-software-properties 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-14.04

@@ -0,0 +1,11 @@
+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/test.yml

@@ -1,5 +1,4 @@
 ---
-- hosts: localhost
-  remote_user: root
+- hosts: all
   roles:
-    - ansible-role-mysql
+    - role_under_test