Fix Ansible warnings

And add support for Ubuntu 18.04

.travis.yml

@@ -7,8 +7,10 @@ python: "2.7"
 
 env:
   - ANSIBLE_VERSION=latest
+  - ANSIBLE_VERSION=2.7.2
   - ANSIBLE_VERSION=2.7.1
   - ANSIBLE_VERSION=2.7.0
+  - ANSIBLE_VERSION=2.6.8
   - ANSIBLE_VERSION=2.6.7
   - ANSIBLE_VERSION=2.6.6
   - ANSIBLE_VERSION=2.6.5
@@ -56,7 +58,7 @@ script:
     && (echo 'Idempotence test: pass' && exit 0)
     || (echo 'Idempotence test: fail' && exit 1)
 
-  - if [ "$ANSIBLE_VERSION" = "latest" ]; then ansible-lint tests/test.yml || true; fi
+  - if [ "$ANSIBLE_VERSION" = "latest" ]; then ansible-lint tests/test.yml; fi
 
 notifications:
   email: false

Vagrantfile

@@ -3,6 +3,7 @@
 
 role = File.basename(File.expand_path(File.dirname(__FILE__)))
 
+
 boxes = [
   {
     :name => "ubuntu-1204",
@@ -25,17 +26,31 @@ boxes = [
     :cpu => "50",
     :ram => "256"
   },
+  {
+    :name => "ubuntu-1804",
+    :box => "bento/ubuntu-18.04",
+    :ip => '10.0.0.14',
+    :cpu => "50",
+    :ram => "256"
+  },
   {
     :name => "debian-7",
     :box => "bento/debian-7",
-    :ip => '10.0.0.14',
+    :ip => '10.0.0.15',
     :cpu => "50",
     :ram => "256"
   },
   {
     :name => "debian-8",
     :box => "bento/debian-8",
-    :ip => '10.0.0.15',
+    :ip => '10.0.0.16',
+    :cpu => "50",
+    :ram => "256"
+  },
+  {
+    :name => "debian-9",
+    :box => "bento/debian-9",
+    :ip => '10.0.0.17',
     :cpu => "50",
     :ram => "256"
   },

meta/main.yml

@@ -1,6 +1,7 @@
 # meta file for docker-machine
 ---
 galaxy_info:
+  role_name: docker-machine
   author: Mischa ter Smitten
   company: Oefenweb.nl B.V.
   description: Set up (the latest or a specific version of) Docker Machine in Debian-like systems.
@@ -12,10 +13,12 @@ galaxy_info:
         - precise
         - trusty
         - xenial
+        - bionic
     - name: Debian
       versions:
         - wheezy
         - jessie
+        - stretch
   galaxy_tags:
     - development
     - packaging