Add retries for copying binaries from containers

Closes issue: https://github.com/kubespray/kargo/issues/479

Signed-off-by: Bogdan Dobrelya <bdobrelia@mirantis.com>

roles/kubernetes/master/tasks/main.yml

@@ -9,8 +9,11 @@
 
 - name: Copy kubectl from hyperkube container
   command: "/usr/bin/docker run --rm -v {{ bin_dir }}:/systembindir {{ hyperkube_image_repo }}:{{ hyperkube_image_tag }} /bin/cp /hyperkube /systembindir/kubectl"
+  register: kube_task_result
+  until: kube_task_result.rc == 0
+  retries: 4
+  delay: "{{ 20 | random + 3 }}"
   changed_when: false
-  register: kubectl_launcher
 
 - name: Write kube-apiserver manifest
   template: