Fix copy ca cert and ca key for kubeadm.

roles/kubernetes/master/tasks/kubeadm-setup.yml

@@ -97,6 +97,14 @@
     kubeadm_config_api_fqdn: "{{ apiserver_loadbalancer_domain_name|default('lb-apiserver.kubernetes.local') }}"
   when: loadbalancer_apiserver is defined
 
+- name: kubeadm | Copy etcd ca file as k8s ca
+  command: "cp -T {{ etcd_cert_dir }}/ca.pem {{ kube_config_dir }}/ssl/etcd/ca.crt"
+  changed_when: false
+
+- name: kubeadm | Copy etcd cakey as k8s cakey
+  command: "cp -T {{ etcd_cert_dir }}/ca-key.pem {{ kube_config_dir }}/ssl/etcd/ca.key"
+  changed_when: false
+
 - name: kubeadm | Create kubeadm config
   template:
     src: "kubeadm-config.{{ kubeadmConfig_api_version }}.yaml.j2"