Updated from OpenStack Ansible Tests

Change-Id: Iace556781cdb44f2d9f95197009cce0244ac4bda

Vagrantfile

@@ -1,8 +1,35 @@
-Vagrant.configure(2) do |config|
-  config.vm.box = "ubuntu/trusty64"
-  config.vm.provision "shell", inline: <<-SHELL
-    sudo su -
-    cd /vagrant
-    ./run_tests.sh
-  SHELL
+# Verify whether required plugins are installed.
+required_plugins = [ "vagrant-disksize" ]
+required_plugins.each do |plugin|
+  if not Vagrant.has_plugin?(plugin)
+    raise "The vagrant plugin #{plugin} is required. Please run `vagrant plugin install #{plugin}`"
+  end
+end
+
+Vagrant.configure(2) do |config|
+  config.vm.provider "virtualbox" do |v|
+    v.memory = 2048
+    v.cpus = 2
+  end
+
+  config.vm.provision "shell",
+      privileged: false,
+      inline: <<-SHELL
+          cd /vagrant
+         ./run_tests.sh
+      SHELL
+
+  config.vm.define "ubuntu1604" do |xenial|
+    xenial.disksize.size = "40GB"
+    xenial.vm.box = "ubuntu/xenial64"
+  end
+
+  config.vm.define "opensuse422" do |leap422|
+    leap422.vm.box = "opensuse/openSUSE-42.2-x86_64"
+  end
+
+  config.vm.define "centos7" do |centos7|
+    centos7.vm.box = "centos/7"
+  end
+
 end