Add basic driver methods for disk operations

plugins/providers/virtualbox/cap/configure_disks.rb

@@ -7,20 +7,20 @@ module VagrantPlugins
         # @param [Vagrant::Machine] machine
         # @param [VagrantPlugins::Kernel_V2::VagrantConfigDisk] defined_disks
         def self.configure_disks(machine, defined_disks)
-          return nil if defined_disks.empty?
-          disks = current_vm_disks(machine)
+          return if defined_disks.empty?
+
+          current_disks = machine.provider.driver.list_hdds
+          # Compare current disks to config, and if there's a delta, adjust accordingly
+          #
+          # Compare by name if possible
+          defined_disks.each do |disk|
+            if disk.type == :disk
+            end
+          end
         end
 
         protected
 
-        # Maybe move these into the virtualbox driver??
-        # Versioning might be an issue :shrug:
-
-        def self.current_vm_disks(machine)
-          disks = {}
-          info = machine.provider.driver.show_vm_info(machine.id)
-        end
-
         def self.vmdk_to_vdi(driver)
         end
 

plugins/providers/virtualbox/driver/base.rb

@@ -383,6 +383,55 @@ module VagrantPlugins
           info
         end
 
+        # @return [Array] hdds An array of hashes of harddrive info for a guest
+        def list_hdds
+          hdds = []
+          tmp_drive = {}
+          execute('list', 'hdds', retryable: true).split("\n").each do |line|
+            if line == "" # separator between disks
+              hdds << tmp_drive
+              tmp_drive = {}
+              next
+            end
+            parts = line.partition(":")
+            key = parts.first.strip
+            value = parts.last.strip
+            tmp_drive[key] = value
+          end
+          hdds << tmp_drive unless tmp_drive.empty?
+
+          hdds
+        end
+
+        # @param [String] disk_file
+        # @param [Integer] disk_size_in_mb
+        def resize_disk(disk_file, disk_size_in_mb)
+          # todo: better error handling for this execute
+          # todo: MEDIUM changes if virtualbox is older than 5. Need a proper check/switch
+          # Maybe move this into version_4, then version_5
+          execute("modify#{MEDIUM}", disk_file, '--resize', disk_size_in_mb.to_s)
+        end
+
+        # @param [String] uui - virtual machines uuid
+        # @param [Hash] disk - disk to attach
+        def attach_disk(uuid, disk)
+          controller = disk[:controller]
+          port = disk[:port]
+          device = disk[:device]
+          file = disk[:file]
+
+          # todo: hard set to type hdd, need to look if all types are compatible with these flags
+          execute('storageattach', uuid, '--storagectl', controller, '--port', port, '--device', device, '--type', 'hdd',  '--medium', file)
+        end
+
+        # Removes a disk from the given virtual machine
+        #
+        # @param [String] disk_file
+        def remove_disk(disk_file)
+          # todo: better error handling for this execute
+          execute("closemedium", disk_file, '--delete')
+        end
+
         # Execute the given subcommand for VBoxManage and return the output.
         def execute(*command, &block)
           # Get the options hash if it exists