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/etcd/tasks/install.yml

@@ -17,6 +17,10 @@
            /usr/bin/docker cp etcdctl-binarycopy:{{ etcd_container_bin_dir }}etcdctl {{ bin_dir }}/etcdctl &&
            /usr/bin/docker rm -f etcdctl-binarycopy"
   when: etcd_deployment_type == "docker"
+  register: etcd_task_result
+  until: etcd_task_result.rc == 0
+  retries: 4
+  delay: "{{ 20 | random + 3 }}"
   changed_when: false
 
 #Plan B: looks nicer, but requires docker-py on all hosts:

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:

roles/network_plugin/calico/tasks/main.yml

@@ -34,6 +34,10 @@
 
 - name: Calico | Copy cni plugins from hyperkube
   command: "/usr/bin/docker run --rm -v /opt/cni/bin:/cnibindir {{ hyperkube_image_repo }}:{{ hyperkube_image_tag }} /bin/cp -r /opt/cni/bin/. /cnibindir/"
+  register: cni_task_result
+  until: cni_task_result.rc == 0
+  retries: 4
+  delay: "{{ 20 | random + 3 }}"
   changed_when: false
   when: use_hyperkube_cni