hosts/darwin: support virtualbox install

lib/vagrant/errors.rb

@@ -524,6 +524,10 @@ module Vagrant
       error_key(:provider_cant_install)
     end
 
+    class ProviderInstallFailed < VagrantError
+      error_key(:provider_install_failed)
+    end
+
     class ProviderNotFound < VagrantError
       error_key(:provider_not_found)
     end

lib/vagrant/ui.rb

@@ -319,6 +319,7 @@ module Vagrant
 
         target = @prefix
         target = opts[:target] if opts.key?(:target)
+        target = "#{target}:" if target != ""
 
         # Get the lines. The first default is because if the message
         # is an empty string, then we want to still use the empty string.
@@ -327,7 +328,7 @@ module Vagrant
 
         # Otherwise, make sure to prefix every line properly
         lines.map do |line|
-          "#{prefix}#{target}: #{line}"
+          "#{prefix}#{target} #{line}"
         end.join("\n")
       end
     end

plugins/commands/provider/command.rb

@@ -53,12 +53,13 @@ module VagrantPlugins
 
         # Check if we're requesting installation
         if options[:install]
-          if !machine.provider.capability?(:install)
+          key = "provider_install_#{machine.provider_name}".to_sym
+          if !@env.host.capability?(key)
             raise Vagrant::Errors::ProviderCantInstall,
               provider: machine.provider_name.to_s
           end
 
-          machine.provider.capability(:install)
+          @env.host.capability(key)
           return
         end
 

plugins/hosts/darwin/cap/provider_install_virtualbox.rb

@@ -0,0 +1,51 @@
+require "pathname"
+require "tempfile"
+
+require "vagrant/util/downloader"
+require "vagrant/util/subprocess"
+
+module VagrantPlugins
+  module HostDarwin
+    module Cap
+      class ProviderInstallVirtualBox
+        # The URL to download VirtualBox is hardcoded so we can have a
+        # known-good version to download.
+        URL = "http://download.virtualbox.org/virtualbox/5.0.8/VirtualBox-5.0.8-103449-OSX.dmg".freeze
+        VERSION = "5.0.8".freeze
+
+        def self.provider_install_virtualbox(env)
+          tf = Tempfile.new("vagrant")
+          tf.close
+
+          # Prefixed UI for prettiness
+          ui = Vagrant::UI::Prefixed.new(env.ui, "")
+
+          # Start by downloading the file using the standard mechanism
+          ui.output(I18n.t(
+            "vagrant.hosts.darwin.virtualbox_install_download",
+            version: VERSION))
+          ui.detail(I18n.t(
+            "vagrant.hosts.darwin.virtualbox_install_detail"))
+          dl = Vagrant::Util::Downloader.new(URL, tf.path, ui: ui)
+          dl.download!
+
+          # Launch it
+          ui.output(I18n.t(
+            "vagrant.hosts.darwin.virtualbox_install_install"))
+          ui.detail(I18n.t(
+            "vagrant.hosts.darwin.virtualbox_install_install_detail"))
+          script = File.expand_path("../../scripts/install_virtualbox.sh", __FILE__)
+          result = Vagrant::Util::Subprocess.execute("bash", script, tf.path)
+          if result.exit_code != 0
+            raise Vagrant::Errors::ProviderInstallFailed,
+              provider: "virtualbox",
+              stdout: result.stdout,
+              stderr: result.stderr
+          end
+
+          ui.success(I18n.t("vagrant.hosts.darwin.virtualbox_install_success"))
+        end
+      end
+    end
+  end
+end

plugins/hosts/darwin/plugin.rb

@@ -11,6 +11,11 @@ module VagrantPlugins
         Host
       end
 
+      host_capability("darwin", "provider_install_virtualbox") do
+        require_relative "cap/provider_install_virtualbox"
+        Cap::ProviderInstallVirtualBox
+      end
+
       host_capability("darwin", "rdp_client") do
         require_relative "cap/rdp"
         Cap::RDP

plugins/hosts/darwin/scripts/install_virtualbox.sh

@@ -0,0 +1,15 @@
+#!/bin/bash
+set -e
+
+hdiutil attach $1
+cd /Volumes/VirtualBox/
+sudo installer -pkg VirtualBox.pkg -target "/"
+cd /tmp
+flag=1
+while [ $flag -ne 0 ]; do
+    sleep 1
+    set +e
+    hdiutil detach /Volumes/VirtualBox/
+    flag=$?
+    set -e
+done

templates/locales/en.yml

@@ -280,6 +280,7 @@ en:
       CHANGELOG below:
 
         https://github.com/mitchellh/vagrant/blob/v%{version}/CHANGELOG.md
+
     cfengine_config:
       classes_array: |-
         The 'classes' configuration must be an array.
@@ -1006,6 +1007,14 @@ en:
         This is a limitation of this provider. Please report this as a feature
         request to the provider in question. To install this provider, you'll
         have to do so manually.
+      provider_install_failed: |-
+        Installation of the provider '%{provider}' failed! The stdout
+        and stderr are shown below. Please read the error output, resolve it,
+        and try again. If problem persists, please install the provider
+        manually.
+
+        Stdout: %{stdout}
+        Stderr: %{stderr}
       provider_not_found: |-
         The provider '%{provider}' could not be found, but was requested to
         back the machine '%{machine}'. Please use a provider that exists.
@@ -1867,6 +1876,21 @@ en:
           Preparing to edit /etc/exports. Administrator privileges will be required...
         nfs_prune: |-
           Pruning invalid NFS exports. Administrator privileges will be required...
+      darwin:
+        virtualbox_install_download: |-
+          Downloading VirtualBox %{version}...
+        virtualbox_install_detail: |-
+          This may not be the latest version of VirtualBox, but it is a version
+          that is known to work well. Over time, we'll update the version that
+          is installed.
+        virtualbox_install_install: |-
+          Installing VirtualBox. This will take a few minutes...
+        virtualbox_install_install_detail: |-
+          You may be asked for your administrator password during this time.
+          If you're uncomfortable entering your password here, please install
+          VirtualBox manually.
+        virtualbox_install_success: |-
+          VirtualBox has successfully been installed!
       linux:
         nfs_export: |-
           Preparing to edit /etc/exports. Administrator privileges will be required...