[rsync] WIP: Support rsync

.vagrantplugins

@@ -7,6 +7,7 @@ required_plugins = {
   'vagrant-useradd'            => '0.0.1',
   'vagrant-bindfs'             => '1.0.8',
   'vagrant-persistent-storage' => '0.0.33',
+  'vagrant-gatling-rsync'      => '~>0.9.0',
 }
 
 needs_restart = false

Vagrantfile

@@ -8,6 +8,7 @@ packaging_mode = false
 forward_ssh_agent = false
 vm_name = "precip"
 use_packaged_precip = false
+rsync = false
 
 # Determine if this is our first boot or not. 
 # If there's a better way to figure this out we now have a single place to change.
@@ -78,7 +79,19 @@ Vagrant.configure(2) do |config|
   config.ssh.forward_agent = forward_ssh_agent
 
   # Synced Folders
-  if Vagrant::Util::Platform.windows?
+  if rsync
+    # For large codebases, rsync is *far* more performant than NFS.
+    config.vm.synced_folder drupal_basepath, "/srv/www", type: "rsync", rsync__exclude: [".git/", "*.sql", "db/", "**/sites/*/files"], owner: "vagrant", group: "www-data"
+    # Vagrant's own rsync plugin is absurdly slow to sync, so use Gatling instead:
+    # https://github.com/smerrill/vagrant-gatling-rsync
+    # Configure the window for gatling to coalesce writes.
+    if Vagrant.has_plugin?("vagrant-gatling-rsync")
+      config.gatling.latency = 1
+      config.gatling.time_format = "%H:%M:%S"
+      # Automatically sync when machines with rsync folders come up.
+      config.gatling.rsync_on_startup = true
+    end
+  elsif Vagrant::Util::Platform.windows?
     # Windows gets vboxsf, because it can't do nfs + bindfs
     config.vm.synced_folder drupal_basepath, "/srv/www", owner: "www-data", group: "www-data"
   else

config.rb-dist

@@ -101,6 +101,10 @@
 #
 # vm_name = "not-precip"
 
+# Use rsync instead of NFS for site files. This can improve performance on larger sites.
+#
+# rsync = true
+
 # We offer a partially pre-built version of the Precip Base Box, which ships with 
 # all keys and base packages pre-installed, so all that's left is installing PHP, 
 # Apache, MySQL, and Configuring everything. This can help on restrictive networks