Support distro with systemd.

Vagrantfile

@@ -22,7 +22,17 @@ Vagrant.configure("2") do |config|
     c.vm.box = "centos65-x86_64-20140116"
   	c.vm.box_url = "https://github.com/2creatives/vagrant-centos/releases/download/v6.5.3/centos65-x86_64-20140116.box"
   	c.vm.provision "shell" do |s|
-      s.inline = "/bin/true"
+      s.inline = "yum install -y nc java-1.7.0-openjdk-devel ansible"
+		  s.privileged = true
+	  end
+  end
+
+  # centos 7
+  config.vm.define 'centos7' do |c|
+  	c.vm.network "private_network", ip: "192.168.100.4"
+    c.vm.box = "centos/7"
+  	c.vm.provision "shell" do |s|
+      s.inline = "yum install -y epel-release; yum install -y nc java-1.7.0-openjdk-devel ansible"
 		  s.privileged = true
 	  end
   end

ci/tests.yml

@@ -3,8 +3,11 @@
 - hosts: localhost
   connection: local
   sudo: yes
+  gather_facts: false
 
   tasks:
+    - wait_for: port=2181 state=started delay=1
+
     - shell: echo stat | nc 127.0.0.1 2181
       register: status
       failed_when: status.rc != 0

tasks/RedHat.yml

@@ -30,8 +30,24 @@
   file: path={{log_dir}} state=directory recurse=yes owner=zookeeper group=zookeeper
   tags: bootstrap
 
+- name: Check if /etc/init exists
+  stat: path=/etc/init/
+  register: etc_init
+
 - name: Upstart script.
   template: src=zookeeper.conf.j2 dest=/etc/init/zookeeper.conf
+  when: etc_init.stat.exists == true
+  tags: deploy
+  notify:
+    - Restart zookeeper
+
+- name: Check if systemd exists
+  stat: path=/usr/lib/systemd/system/
+  register: systemd_check
+
+- name: Systemd script.
+  template: src=zookeeper.service.j2 dest=/usr/lib/systemd/system/zookeeper.service
+  when: systemd_check.stat.exists == true
   tags: deploy
   notify:
     - Restart zookeeper

templates/zookeeper.service.j2

@@ -0,0 +1,15 @@
+# {{ansible_managed}}
+
+[Unit]
+Description=ZooKeeper
+
+[Service]
+Type=simple
+User=zookeeper
+Group=zookeeper
+ExecStart={{zookeeper_dir}}/bin/zkServer.sh start-foreground
+
+TimeoutSec=300
+
+[Install]
+WantedBy=multi-user.target