Fix Ansible warnings

Add support for Ubuntu 18.04 and Debian 9 and drop support for Ubuntu 12.04 and Debian 7

Vagrantfile

@@ -5,13 +5,6 @@ role = File.basename(File.expand_path(File.dirname(__FILE__)))
 
 
 boxes = [
-  {
-    :name => "ubuntu-1204",
-    :box => "bento/ubuntu-12.04",
-    :ip => '10.0.0.11',
-    :cpu => "50",
-    :ram => "256"
-  },
   {
     :name => "ubuntu-1404",
     :box => "bento/ubuntu-14.04",
@@ -33,13 +26,6 @@ boxes = [
     :cpu => "50",
     :ram => "256"
   },
-  {
-    :name => "debian-7",
-    :box => "bento/debian-7",
-    :ip => '10.0.0.15',
-    :cpu => "50",
-    :ram => "256"
-  },
   {
     :name => "debian-8",
     :box => "bento/debian-8",

defaults/main.yml

@@ -1,6 +1,6 @@
 # defaults file for nodejs
 ---
-nodejs_version: 'nodejs-v6x'
+nodejs_version: 'nodejs-v8x'
 
 nodejs_install:
   # To compile and install native addons from npm you may also need to install build tools

meta/main.yml

@@ -1,6 +1,7 @@
 # meta file for nodejs
 ---
 galaxy_info:
+  role_name: nodejs
   author: Mischa ter Smitten
   company: Oefenweb.nl B.V.
   description: Set up the latest version of Node.js and npm in Debian-like systems

tasks/main.yml

@@ -2,11 +2,10 @@
 ---
 - name: install dependencies
   apt:
-    name: "{{ item }}"
+    name: "{{ nodejs_dependencies }}"
     state: "{{ apt_install_state | default('latest') }}"
     update_cache: true
     cache_valid_time: "{{ apt_update_cache_valid_time | default(3600) }}"
-  with_items: "{{ nodejs_dependencies }}"
   tags:
     - configuration
     - nodejs
@@ -15,19 +14,20 @@
 
 - name: install additional
   apt:
-    name: "{{ item }}"
+    name: "{{ nodejs_install }}"
     state: "{{ apt_install_state | default('latest') }}"
-  with_items: "{{ nodejs_install }}"
   tags:
     - configuration
     - nodejs
     - nodejs-install
     - nodejs-install-additional
 
 - name: add repository and install its signing key
-  shell: curl -sL https://deb.nodesource.com/setup_{{ nodejs_version_map[nodejs_version] }} | bash -
+  shell: >
+    curl -sL https://deb.nodesource.com/setup_{{ nodejs_version_map[nodejs_version] }} | bash -
   args:
     creates: /etc/apt/sources.list.d/nodesource.list
+    warn: false
   tags:
     - configuration
     - nodejs

tests/post.yml

@@ -1,6 +1,6 @@
 # post test file for nodejs
 ---
-- name: Run tests
+- name: run tests
   command: "{{ item }}"
   changed_when: false
   with_items: