Only fix kube-proxy address on evaluating kube_master hosts (#6152)

Change-Id: I83a7101a6cd99eb531d8385de5c31aee4f474469

roles/kubernetes/kubeadm/tasks/main.yml

@@ -111,7 +111,9 @@
     | {{ bin_dir }}/kubectl --kubeconfig {{ kube_config_dir }}/admin.conf replace -f -
   run_once: true
   delegate_to: "{{ groups['kube-master']|first }}"
+  delegate_facts: false
   when:
+    - inventory_hostname in groups['kube-master']
     - kubeadm_config_api_fqdn is not defined
     - kubeadm_discovery_address != kube_apiserver_endpoint | replace("https://", "")
     - not kube_proxy_remove
@@ -130,7 +132,9 @@
   shell: "{{ bin_dir }}/kubectl --kubeconfig {{ kube_config_dir }}/admin.conf delete pod -n kube-system -l k8s-app=kube-proxy --force --grace-period=0"
   run_once: true
   delegate_to: "{{ groups['kube-master']|first }}"
+  delegate_facts: false
   when:
+    - inventory_hostname in groups['kube-master']
     - kubeadm_config_api_fqdn is not defined
     - kubeadm_discovery_address != kube_apiserver_endpoint | replace("https://", "")
     - not kube_proxy_remove