From 163de54bdf24c2532e7d06be4e7e608b5447f248 Mon Sep 17 00:00:00 2001
From: Stephen Sawchuk <sawchuk@gmail.com>
Date: Thu, 1 Sep 2016 21:19:18 -0400
Subject: [PATCH] datastore: provide google-cloud-resource-prefix header

---
 packages/datastore/src/index.js  | 5 ++++-
 packages/datastore/test/index.js | 3 +++
 2 files changed, 7 insertions(+), 1 deletion(-)

diff --git a/packages/datastore/src/index.js b/packages/datastore/src/index.js
index 9c56b261f14..22f1c84687b 100644
--- a/packages/datastore/src/index.js
+++ b/packages/datastore/src/index.js
@@ -325,7 +325,10 @@ function Datastore(options) {
     service: 'datastore',
     apiVersion: 'v1',
     scopes: ['https://www.googleapis.com/auth/datastore'],
-    userAgent: PKG.name + '/' + PKG.version
+    userAgent: PKG.name + '/' + PKG.version,
+    grpcMetadata: {
+      'google-cloud-resource-prefix': 'projects/' + this.projectId
+    }
   };
 
   common.GrpcService.call(this, config, options);
diff --git a/packages/datastore/test/index.js b/packages/datastore/test/index.js
index 567b9e5a940..64e3e1544bb 100644
--- a/packages/datastore/test/index.js
+++ b/packages/datastore/test/index.js
@@ -158,6 +158,9 @@ describe('Datastore', function() {
         'https://www.googleapis.com/auth/datastore'
       ]);
       assert.strictEqual(calledWith.userAgent, PKG.name + '/' + PKG.version);
+      assert.deepEqual(calledWith.grpcMetadata, {
+        'google-cloud-resource-prefix': 'projects/' + datastore.projectId
+      });
     });
   });