Vendor the external cookbooks

Knife-Zero doesn't include Berkshelf support, so vendoring everything in
the repo is convenient again

cookbooks/elasticsearch/libraries/provider_user.rb

@@ -0,0 +1,48 @@
+# Chef Provider for creating a user and group for Elasticsearch
+class ElasticsearchCookbook::UserProvider < Chef::Provider::LWRPBase
+  include ElasticsearchCookbook::Helpers
+
+  provides :elasticsearch_user
+
+  def whyrun_supported?
+    true # we only use core Chef resources that also support whyrun
+  end
+
+  def action_create
+    group_r = group new_resource.groupname do
+      gid new_resource.gid
+      action :nothing
+      system true
+    end
+    group_r.run_action(:create)
+    new_resource.updated_by_last_action(true) if group_r.updated_by_last_action?
+
+    user_r = user new_resource.username do
+      comment new_resource.comment
+      shell   new_resource.shell
+      uid     new_resource.uid
+      gid     new_resource.groupname
+
+      manage_home false
+      action :nothing
+      system true
+    end
+    user_r.run_action(:create)
+    new_resource.updated_by_last_action(true) if user_r.updated_by_last_action?
+  end
+
+  def action_remove
+    # delete user before deleting the group
+    user_r = user new_resource.username do
+      action :nothing
+    end
+    user_r.run_action(:remove)
+    new_resource.updated_by_last_action(true) if user_r.updated_by_last_action?
+
+    group_r = group new_resource.groupname do
+      action :nothing
+    end
+    group_r.run_action(:remove)
+    new_resource.updated_by_last_action(true) if group_r.updated_by_last_action?
+  end
+end