From f2ef3a8efbd9db9a0fdcdde91076fe708f6dffdc Mon Sep 17 00:00:00 2001
From: luin <i@zihua.li>
Date: Sat, 25 Jun 2016 18:22:27 +0800
Subject: [PATCH] feat: support quit cluster gracefully. Close #315

---
 lib/cluster/index.js | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)

diff --git a/lib/cluster/index.js b/lib/cluster/index.js
index e1bd887f4..9de52e9d6 100644
--- a/lib/cluster/index.js
+++ b/lib/cluster/index.js
@@ -208,6 +208,27 @@ Cluster.prototype.disconnect = function (reconnect) {
   this.connectionPool.reset([]);
 };
 
+/**
+ * Quit the cluster gracefully.
+ *
+ * @return {Promise}
+ * @public
+ */
+Cluster.prototype.quit = function (reconnect) {
+  this.setStatus('disconnecting');
+
+  if (!reconnect) {
+    this.manuallyClosing = true;
+  }
+  if (this.reconnectTimeout) {
+    clearTimeout(this.reconnectTimeout);
+    this.reconnectTimeout = null;
+  }
+  return this.nodes().map(function (node) {
+    return node.quit();
+  });
+};
+
 /**
  * Get nodes with the specified role
  *