Fix install etcd by host service (#2297)

Fix bug issues #2289

roles/etcd/tasks/install_docker.yml

@@ -4,9 +4,17 @@
            {{ docker_bin_dir }}/docker create --name etcdctl-binarycopy {{ etcd_image_repo }}:{{ etcd_image_tag }} &&
            {{ docker_bin_dir }}/docker cp etcdctl-binarycopy:/usr/local/bin/etcdctl {{ bin_dir }}/etcdctl &&
            {{ docker_bin_dir }}/docker rm -f etcdctl-binarycopy"
-  when: etcd_deployment_type == "docker"
   register: etcd_task_result
   until: etcd_task_result.rc == 0
   retries: 4
   delay: "{{ retry_stagger | random + 3 }}"
   changed_when: false
+
+- name: Install etcd launch script
+  template:
+    src: etcd.j2
+    dest: "{{ bin_dir }}/etcd"
+    owner: 'root'
+    mode: 0755
+    backup: yes
+  notify: restart etcd