update

kubespray/roles/etcd/tasks/install_etcdctl_docker.yml

@@ -0,0 +1,11 @@
+---
+- name: Install | Copy etcdctl binary from docker container
+  command: sh -c "{{ docker_bin_dir }}/docker rm -f etcdctl-binarycopy;
+            {{ 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"
+  register: etcdctl_install_result
+  until: etcdctl_install_result.rc == 0
+  retries: "{{ etcd_retries }}"
+  delay: "{{ retry_stagger | random + 3 }}"
+  changed_when: false