Merge branch 'feature/jenkinsfile'

Jenkinsfile

+/*
+Jenkins pipeline for testing an Ansible role.
+Required software on the agent:
+- Python 2.7.
+- Tox.
+- Vagrant.
+- Virtualbox.
+*/
+pipeline {
+    agent any
+    environment {
+        VBOX_HWVIRTEX       = off
+    }
+    stages {
+        stage('install') {
+            steps {
+                sh 'git submodule update --init --recursive'
+            }
+        }
+        stage('test') {
+            steps {
+                parallel (
+                    'pre-commit': {
+                        sh 'tox -e pre-commit'
+                    }
+                    'molecule': {
+                        sh 'tox'
+                    }
+                )
+            }
+        }
+    }
+    post {
+        success {
+            sh 'tox -e import'
+        }
+    }
+}

tox.ini

@@ -24,3 +24,8 @@ commands =
     sh -c "ansible-galaxy install git+file://$(pwd),$(git rev-parse --abbrev-ref HEAD) -p .molecule/roles"
     molecule dependency
     pre-commit run --all-files
+
+[testenv:import]
+envdir = {toxinidir}/.tox/molecule
+deps = -rtests/requirements.txt
+commands = ansible-galaxy import -v