Vendor the external cookbooks

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

cookbooks/elasticsearch/libraries/resource_service.rb

@@ -0,0 +1,28 @@
+# Chef Resource for declaring a service for Elasticsearch
+class ElasticsearchCookbook::ServiceResource < Chef::Resource::LWRPBase
+  resource_name :elasticsearch_service
+  provides :elasticsearch_service
+
+  actions(
+    :configure, :remove, # our custom actions
+    :enable, :disable, :start, :stop, :restart, :status # passthrough to service resource
+  )
+  default_action :configure
+
+  # this is what helps the various resources find each other
+  attribute(:instance_name, kind_of: String, default: nil)
+
+  attribute(:service_name, kind_of: String, name_attribute: true)
+  attribute(:args, kind_of: String, default: '-d')
+
+  # service actions
+  attribute(:service_actions, kind_of: [Symbol, String, Array], default: [:enable, :start].freeze)
+
+  # allow overridable init script
+  attribute(:init_source, kind_of: String, default: 'initscript.erb')
+  attribute(:init_cookbook, kind_of: String, default: 'elasticsearch')
+
+  # allow overridable systemd unit
+  attribute(:systemd_source, kind_of: String, default: 'systemd_unit.erb')
+  attribute(:systemd_cookbook, kind_of: String, default: 'elasticsearch')
+end