From 55b4fa7bbd80a85e053eaef26e2a0e887a95e1de Mon Sep 17 00:00:00 2001
From: Feng Pan <feng.pan@airbnb.com>
Date: Fri, 1 Sep 2017 23:25:08 -0700
Subject: [PATCH 1/3] [nerve] only mkdir_p in zk_create when the path does not
 exist

---
 lib/nerve/reporter/zookeeper.rb | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/nerve/reporter/zookeeper.rb b/lib/nerve/reporter/zookeeper.rb
index c2da84ec..f6cd2f13 100644
--- a/lib/nerve/reporter/zookeeper.rb
+++ b/lib/nerve/reporter/zookeeper.rb
@@ -83,7 +83,7 @@ def zk_delete
     end
 
     def zk_create
-      @zk.mkdir_p(@zk_path)
+      @zk.mkdir_p(@zk_path) unless @zk.exists?(@zk_path)
       @full_key = @zk.create(@key_prefix, :data => @data, :mode => :ephemeral_sequential)
     end
 

From 154026b2b235255c27590eb12bd16417ff60db73 Mon Sep 17 00:00:00 2001
From: Feng Pan <feng.pan@airbnb.com>
Date: Fri, 1 Sep 2017 23:33:52 -0700
Subject: [PATCH 2/3] add comment

---
 lib/nerve/reporter/zookeeper.rb | 1 +
 1 file changed, 1 insertion(+)

diff --git a/lib/nerve/reporter/zookeeper.rb b/lib/nerve/reporter/zookeeper.rb
index f6cd2f13..a0225009 100644
--- a/lib/nerve/reporter/zookeeper.rb
+++ b/lib/nerve/reporter/zookeeper.rb
@@ -83,6 +83,7 @@ def zk_delete
     end
 
     def zk_create
+      # only mkdir_p if the path does not exist
       @zk.mkdir_p(@zk_path) unless @zk.exists?(@zk_path)
       @full_key = @zk.create(@key_prefix, :data => @data, :mode => :ephemeral_sequential)
     end

From 205fb95bbd609796e878e9d9a00ceecf163e3707 Mon Sep 17 00:00:00 2001
From: Feng Pan <feng.pan@airbnb.com>
Date: Fri, 1 Sep 2017 23:48:06 -0700
Subject: [PATCH 3/3] update version and spec test

---
 Gemfile.lock                              | 2 +-
 lib/nerve/version.rb                      | 2 +-
 spec/lib/nerve/reporter_zookeeper_spec.rb | 1 +
 3 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/Gemfile.lock b/Gemfile.lock
index a29a29eb..40784ea9 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -1,7 +1,7 @@
 PATH
   remote: .
   specs:
-    nerve (0.8.0)
+    nerve (0.8.1)
       bunny (= 1.1.0)
       etcd (~> 0.2.3)
       json
diff --git a/lib/nerve/version.rb b/lib/nerve/version.rb
index fbd45748..c1ee7aed 100644
--- a/lib/nerve/version.rb
+++ b/lib/nerve/version.rb
@@ -1,3 +1,3 @@
 module Nerve
-  VERSION = "0.8.0"
+  VERSION = "0.8.1"
 end
diff --git a/spec/lib/nerve/reporter_zookeeper_spec.rb b/spec/lib/nerve/reporter_zookeeper_spec.rb
index 26a05bd4..2c71fdfc 100644
--- a/spec/lib/nerve/reporter_zookeeper_spec.rb
+++ b/spec/lib/nerve/reporter_zookeeper_spec.rb
@@ -17,6 +17,7 @@
   it 'deregisters service on exit' do
     zk = double("zk")
     allow(zk).to receive(:close!)
+    expect(zk).to receive(:exists?) { "zk_path" }.and_return(false)
     expect(zk).to receive(:mkdir_p) { "zk_path" }
     expect(zk).to receive(:create) { "full_path" }
     expect(zk).to receive(:delete).with("full_path", anything())