diff --git a/.gitignore b/.gitignore
index 35dfd65..58ed089 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,5 +1,6 @@
 # Config file.
 config.yml
+!tests/config.yml
 
 # Hosts file.
 hosts
diff --git a/.travis.yml b/.travis.yml
new file mode 100644
index 0000000..21e2ed6
--- /dev/null
+++ b/.travis.yml
@@ -0,0 +1,41 @@
+---
+services: docker
+
+env:
+  # Test on ubuntu and mint OSes.
+  - distro: ubuntu1604
+    init: /lib/systemd/systemd
+    run_opts: "--privileged --volume=/sys/fs/cgroup:/sys/fs/cgroup:ro"
+    docker_image: "geerlingguy/docker-ubuntu1604-ansible:latest"
+  - distro: ubuntu1404
+    init: /sbin/init
+    run_opts: ""
+    docker_image: "geerlingguy/docker-ubuntu1404-ansible:latest"
+
+before_install:
+  # Pull container.
+  - 'docker pull ${docker_image}'
+
+script:
+  - container_id=$(mktemp)
+  - cp tests/config.yml config.yml
+  # Run container in detached state.
+  - 'docker run --detach --volume="${PWD}":/root/developer_machine:rw ${run_opts} ${docker_image} "${init}" > "${container_id}"'
+
+  # Install dependencies.
+  - 'docker exec "$(cat ${container_id})" ansible-galaxy install -r /root/developer_machine/provisioning/requirements.yml'
+
+  # Ansible syntax check.
+  - 'docker exec --tty "$(cat ${container_id})" env TERM=xterm ansible-playbook /root/developer_machine/provisioning/playbook.yml --syntax-check'
+
+  # Test role.
+  - 'docker exec "$(cat ${container_id})" env TERM=xterm ansible-playbook /root/developer_machine/provisioning/playbook.yml'
+
+  # Test role idempotence.
+  - idempotence=$(mktemp)
+  - docker exec "$(cat ${container_id})" ansible-playbook /root/developer_machine/provisioning/playbook.yml | tee -a {idempotence}
+  - >
+    tail ${idempotence}
+    | grep -q 'changed=0.*failed=0'
+    && (echo 'Idempotence test: pass' && exit 0)
+    || (echo 'Idempotence test: fail' && exit 1)
diff --git a/custom.config.yml b/custom.config.yml
index 225fedc..2dcd5a6 100644
--- a/custom.config.yml
+++ b/custom.config.yml
@@ -7,20 +7,21 @@ install_spotify: true
 install_node: true
 install_ruby: true
 install_virtualbox: true
+install_ansible: true
 manativm: false
 
 # PHP configuration.
 php_packages:
-  - php5-common
-  - php5-cli
-  - php5-dev
+  - php7.1-common
+  - php7.1-cli
+  - php7.1-dev
   - libpcre3-dev
-  - php5-gd
-  - php5-curl
-  - php5-imap
-  - php5-json
-  - php5-opcache
-  - php5-xml
-  - php5-mbstring
+  - php7.1-gd
+  - php7.1-curl
+  - php7.1-imap
+  - php7.1-json
+  - php7.1-opcache
+  - php7.1-xml
+  - php7.1-mbstring
   - php-sqlite3
   - php-apcu
diff --git a/provisioning/playbook.yml b/provisioning/playbook.yml
index 36a52ba..3e118d2 100644
--- a/provisioning/playbook.yml
+++ b/provisioning/playbook.yml
@@ -9,12 +9,14 @@
   gather_facts: False
   pre_tasks:
     - include: tasks/init.yml
+    - include: tasks/include-vars.yml
     - include: tasks/init-debian.yml
+    - include: tasks/ansible.yml
+      when: install_ansible
 
   roles:
     # Essential roles.
     - geerlingguy.git
-    - dwcramer.ansible
     - andrewrothstein.vagrant
     - { role: wtanaka.virtualbox, when: install_virtualbox }
     - { role: gvillalta99.nvm, when: install_node }
diff --git a/provisioning/tasks/ansible.yml b/provisioning/tasks/ansible.yml
new file mode 100644
index 0000000..fa90b2c
--- /dev/null
+++ b/provisioning/tasks/ansible.yml
@@ -0,0 +1,17 @@
+---
+# tasks file for ansible (Ubuntu specific)
+
+- name: Install Ansible PPA key
+  apt_key: >
+    id=6125E2A8C77F2818FB7BD15B93C4A3FD7BB9C367
+    keyserver=keyserver.ubuntu.com
+    state=present
+
+- name: Install Ansible PPA
+  apt_repository: >
+    repo='ppa:ansible/ansible'
+    state=present
+    codename={{ distro_codename }}
+
+- name: Install Ansible packages
+  apt: name='ansible' state=present update_cache=yes
diff --git a/provisioning/tasks/include-vars.yml b/provisioning/tasks/include-vars.yml
new file mode 100644
index 0000000..0ed69fa
--- /dev/null
+++ b/provisioning/tasks/include-vars.yml
@@ -0,0 +1,9 @@
+---
+- name: Include codename var.
+  include_vars: "{{ ansible_distribution_release }}.yml"
+  when: (ansible_distribution == "Ubuntu" and ansible_distribution_release == "qiana") or
+        (ansible_distribution == "Ubuntu" and ansible_distribution_release == "rebecca") or
+        (ansible_distribution == "Ubuntu" and ansible_distribution_release == "rafaela") or
+        (ansible_distribution == "Ubuntu" and ansible_distribution_release == "rosa") or
+        (ansible_distribution == "Ubuntu" and ansible_distribution_release == "sarah") or
+        (ansible_distribution == "Ubuntu" and ansible_distribution_release == "serena")
diff --git a/provisioning/tasks/init-debian.yml b/provisioning/tasks/init-debian.yml
index 7ce6a4f..9d80ba7 100644
--- a/provisioning/tasks/init-debian.yml
+++ b/provisioning/tasks/init-debian.yml
@@ -13,4 +13,7 @@
     - libgnome-keyring-dev
 
 - name: Add repository for PHP
-  apt_repository: repo='ppa:ondrej/php'
+  apt_repository:
+    repo='ppa:ondrej/php'
+    state=present
+    codename={{ distro_codename }}
diff --git a/provisioning/vars/main.yml b/provisioning/vars/main.yml
index 48b6896..6a835ff 100644
--- a/provisioning/vars/main.yml
+++ b/provisioning/vars/main.yml
@@ -2,9 +2,11 @@
 ansible_python_interpreter: /usr/bin/python2.7
 drush_version: '8.x'
 ansible_install_version: '2.2.1'
-vagrant_version: '1.9.1'
+vagrant_version: '2.0.1'
+vagrant_pkg_suffix: 'deb'
 nvm:
-  default_node_version: "4"
+  default_node_version: "6"
+  node_version: "6"
   dependencies:
     apt:
       - git
@@ -12,17 +14,14 @@ nvm:
       - build-essential
       - libssl-dev
   node_versions:
-    - '4'
-    - '5'
     - '6'
-  packages:
-    - grunt-cli
-    - gulp-cli
-    - bower
+  packages: []
   path: "~/.nvm"
   profile_file: "~/.bashrc"
-  version: 'v0.20.0'
+  version: 'v0.33.8'
 rvm_install_type: 'user'
 extra_packages:
   - mysql-client
   - nfs-kernel-server
+
+distro_codename: "{{ ansible_distribution_release }}"
diff --git a/provisioning/vars/qiana.yml b/provisioning/vars/qiana.yml
new file mode 100644
index 0000000..7ee70a3
--- /dev/null
+++ b/provisioning/vars/qiana.yml
@@ -0,0 +1 @@
+distro_codename: 'trusty'
diff --git a/provisioning/vars/rafaela.yml b/provisioning/vars/rafaela.yml
new file mode 100644
index 0000000..7ee70a3
--- /dev/null
+++ b/provisioning/vars/rafaela.yml
@@ -0,0 +1 @@
+distro_codename: 'trusty'
diff --git a/provisioning/vars/rebecca.yml b/provisioning/vars/rebecca.yml
new file mode 100644
index 0000000..7ee70a3
--- /dev/null
+++ b/provisioning/vars/rebecca.yml
@@ -0,0 +1 @@
+distro_codename: 'trusty'
diff --git a/provisioning/vars/rosa.yml b/provisioning/vars/rosa.yml
new file mode 100644
index 0000000..7ee70a3
--- /dev/null
+++ b/provisioning/vars/rosa.yml
@@ -0,0 +1 @@
+distro_codename: 'trusty'
diff --git a/provisioning/vars/sarah.yml b/provisioning/vars/sarah.yml
new file mode 100644
index 0000000..38434c8
--- /dev/null
+++ b/provisioning/vars/sarah.yml
@@ -0,0 +1 @@
+distro_codename: 'xenial'
diff --git a/provisioning/vars/serena.yml b/provisioning/vars/serena.yml
new file mode 100644
index 0000000..38434c8
--- /dev/null
+++ b/provisioning/vars/serena.yml
@@ -0,0 +1 @@
+distro_codename: 'xenial'
diff --git a/tests/config.yml b/tests/config.yml
new file mode 100644
index 0000000..4672fc4
--- /dev/null
+++ b/tests/config.yml
@@ -0,0 +1,27 @@
+install_atom: true
+install_keepassx: true
+install_chrome: true
+install_slack: true
+install_dropbox: true
+install_spotify: true
+install_node: true
+install_ruby: true
+install_virtualbox: true
+install_ansible: false
+manativm: false
+
+# PHP configuration.
+php_packages:
+  - php7.1-common
+  - php7.1-cli
+  - php7.1-dev
+  - libpcre3-dev
+  - php7.1-gd
+  - php7.1-curl
+  - php7.1-imap
+  - php7.1-json
+  - php7.1-opcache
+  - php7.1-xml
+  - php7.1-mbstring
+  - php-sqlite3
+  - php-apcu