From 94f2d6d951b059adf2714b2f13d1ffb33e60c37d Mon Sep 17 00:00:00 2001
From: Arthur Edelstein <arthuredelstein@gmail.com>
Date: Fri, 22 Jul 2016 22:18:32 -0700
Subject: [PATCH] implement VM.prototype.setMachineType

---
 lib/compute/vm.js | 36 ++++++++++++++++++++++++++++++++++++
 1 file changed, 36 insertions(+)

diff --git a/lib/compute/vm.js b/lib/compute/vm.js
index e4dd276817e..416f807acff 100644
--- a/lib/compute/vm.js
+++ b/lib/compute/vm.js
@@ -422,6 +422,42 @@ VM.prototype.reset = function(callback) {
   }, callback || util.noop);
 };
 
+/**
+ * Set the metadata for this instance.
+ *
+ * @resource [Instances: setMachineType API Documentation]{@link https://cloud.google.com/compute/docs/reference/v1/instances/setMachineType}
+ *
+ * @param {string} zone - the compute engine zone
+ * @param {string} machineType - new machine type.
+ * @param {function=} callback - The callback function.
+ * @param {?error} callback.err - An error returned while making this request.
+ * @param {module:compute/operation} callback.operation - An operation object
+ *     that can be used to check the status of the request.
+ * @param {object} callback.apiResponse - The full API response.
+ *
+ * @example
+ * vm.setMachineType(
+ *   'us-central1-f',
+ *   'n1-standard-1'
+ * }, function(err, operation, apiResponse) {
+ *   // `operation` is an Operation object that can be used to check the status
+ *   // of the request.
+ * });
+ */
+VM.prototype.setMachineType = function(zone, machineType, callback) {
+  var self = this;
+
+  callback = callback || util.noop;
+
+  var machineTypeUrl = 'zones/' + zone + '/machineTypes/' + machineType;
+
+  self.request({
+    method: 'POST',
+    uri: '/setMachineType',
+    json: { 'machineType': machineTypeUrl }
+  }, callback);
+};
+
 /**
  * Set the metadata for this instance.
  *