diff --git a/.gitignore b/.gitignore
index dca2467..7a4be3e 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,5 +1,4 @@
 .kitchen/
-*.lock
 *.pyc
 .vendor
 .bundle
diff --git a/.kitchen.yml b/.kitchen.yml
index 0728b01..a02d9be 100644
--- a/.kitchen.yml
+++ b/.kitchen.yml
@@ -15,7 +15,7 @@ provisioner:
 platforms:
   - name: ubuntu-14.04
     driver_config:
-      image: dliappis/ubuntuhetzner:14.04
+      image: dliappis/ubuntu-devopsci:14.04
       privileged: true
       provision_command:
         - apt-get update && apt-get install -y software-properties-common &&  add-apt-repository -y ppa:ansible/ansible
@@ -23,7 +23,7 @@ platforms:
       use_sudo: false
   - name: debian-7
     driver_config:
-      image: debian:7
+      image: dliappis/debian-devopsci:7
       privileged: true
       provision_command:
         - apt-get update && apt-get -y install python python-dev python-pip build-essential libyaml-dev python-yaml
@@ -32,7 +32,7 @@ platforms:
       use_sudo: false
   - name: debian-8
     driver_config:
-      image: debian:8
+      image: dliappis/debian-devopsci:8
       privileged: true
       provision_command:
         - apt-get update && apt-get -y install python python-dev python-pip build-essential libyaml-dev python-yaml curl wget
@@ -45,21 +45,14 @@ platforms:
       run_command: "/sbin/init"
   - name: centos-6
     driver_config:
-      image:  dliappis/centoshetzner:6
+      image: dliappis/centos-devopsci:6
       privileged: true
       provision_command:
-        - yum remove -y ansible
-        - yum -y install gmp-devel python-devel python-pip
-        - pip install ansible
       use_sudo: false
   - name: centos-7
     driver_config:
-      image: dliappis/centoshetzner:7
+      image: dliappis/centos-devopsci:7
       provision_command:
-        - yum remove -y ansible
-        - yum -y install gmp-devel python-devel python-pip
-        - yum -y groupinstall "Development Tools"
-        - pip install ansible
         - sed -ri 's/^#?PermitRootLogin .*/PermitRootLogin yes/' /etc/ssh/sshd_config
         - sed -ri 's/^#?PasswordAuthentication .*/PasswordAuthentication yes/' /etc/ssh/sshd_config
         - sed -ri 's/^#?UsePAM .*/UsePAM no/' /etc/ssh/sshd_config
diff --git a/Gemfile.lock b/Gemfile.lock
new file mode 100644
index 0000000..8c827c2
--- /dev/null
+++ b/Gemfile.lock
@@ -0,0 +1,42 @@
+GEM
+  remote: https://rubygems.org/
+  specs:
+    faraday (0.9.2)
+      multipart-post (>= 1.2, < 3)
+    highline (1.7.8)
+    kitchen-ansible (0.40.1)
+      librarian-ansible
+      test-kitchen (~> 1.4)
+    kitchen-docker (2.1.0)
+      test-kitchen (>= 1.0.0)
+    librarian (0.1.2)
+      highline
+      thor (~> 0.15)
+    librarian-ansible (3.0.0)
+      faraday
+      librarian (~> 0.1.0)
+    mixlib-shellout (2.2.6)
+    multipart-post (2.0.0)
+    net-scp (1.2.1)
+      net-ssh (>= 2.6.5)
+    net-ssh (2.9.4)
+    safe_yaml (1.0.4)
+    test-kitchen (1.4.2)
+      mixlib-shellout (>= 1.2, < 3.0)
+      net-scp (~> 1.1)
+      net-ssh (~> 2.7, < 2.10)
+      safe_yaml (~> 1.0)
+      thor (~> 0.18)
+    thor (0.19.1)
+
+PLATFORMS
+  ruby
+
+DEPENDENCIES
+  kitchen-ansible (= 0.40.1)
+  kitchen-docker (= 2.1.0)
+  net-ssh (~> 2.0)
+  test-kitchen (= 1.4.2)
+
+BUNDLED WITH
+   1.11.2
diff --git a/README.md b/README.md
index 98a24d0..fdafe1f 100644
--- a/README.md
+++ b/README.md
@@ -137,12 +137,11 @@ recommended in any multi node cluster configuration.
 ```
 - hosts: master_nodes
   roles:
-    - { role: elasticsearch, es_instance_name: "node1", es_heap_size: "1g", es_config: { "discovery.zen.ping.multicast.enabled": false, discovery.zen.ping.unicast.hosts: "elastic02:9300", http.port: 9200, transport.tcp.port: 9300, node.data: false, node.master: true, bootstrap.mlockall: false, discovery.zen.ping.multicast.enabled: false } }
+    - { role: elasticsearch, es_instance_name: "node1", es_heap_size: "1g", es_config: {cluster.name: "test-cluster", "discovery.zen.ping.multicast.enabled": false, discovery.zen.ping.unicast.hosts: "elastic02:9300", http.port: 9200, transport.tcp.port: 9300, node.data: false, node.master: true, bootstrap.mlockall: false, discovery.zen.ping.multicast.enabled: false } }
   vars:
     es_scripts: false
     es_templates: false
     es_version_lock: false
-    es_cluster_name: test-cluster
     ansible_user: ansible
     es_plugins:
      - plugin: elasticsearch/license
@@ -159,6 +158,7 @@ recommended in any multi node cluster configuration.
         node.data: true,
         node.master: false,
         bootstrap.mlockall: false,
+        cluster.name: "test-cluster",
         discovery.zen.ping.multicast.enabled: false } 
     }
     - { role: elasticsearch, es_instance_name: "node2", 
@@ -170,13 +170,13 @@ recommended in any multi node cluster configuration.
         node.data: true,
         node.master: false,
         bootstrap.mlockall: false,
+        cluster.name: "test-cluster",
         discovery.zen.ping.multicast.enabled: false } 
     }
   vars:
     es_scripts: false
     es_templates: false
     es_version_lock: false
-    es_cluster_name: test-cluster
     ansible_user: ansible
     es_plugins:
      - plugin: elasticsearch/license
diff --git a/handlers/main.yml b/handlers/main.yml
index 8c6431e..2432ffe 100644
--- a/handlers/main.yml
+++ b/handlers/main.yml
@@ -1,4 +1,4 @@
 
 - name: restart elasticsearch
   service: name={{instance_init_script | basename}} state=restarted enabled=yes
-  when: es_restart_on_change and es_start_service and (not elasticsearch_started.changed or (plugin_installed is defined and plugin_installed.changed) or elasticsearch_install.changed)
+  when: es_restart_on_change and es_start_service and not elasticsearch_started.changed and ((plugin_installed is defined and plugin_installed.changed) or elasticsearch_install.changed)