Fix kube-apiserver status checks when changing insecure bind addr (#1633)

roles/kubernetes-apps/ansible/tasks/main.yml

 ---
 - name: Kubernetes Apps | Wait for kube-apiserver
   uri:
-    url: http://localhost:{{ kube_apiserver_insecure_port }}/healthz
+    url: "{{ kube_apiserver_insecure_endpoint }}/healthz"
   register: result
   until: result.status == 200
   retries: 10

roles/kubernetes/master/handlers/main.yml

@@ -39,7 +39,7 @@
 
 - name: Master | wait for the apiserver to be running
   uri:
-    url: http://localhost:{{ kube_apiserver_insecure_port }}/healthz
+    url: "{{ kube_apiserver_insecure_endpoint }}/healthz"
   register: result
   until: result.status == 200
   retries: 20

roles/kubernetes/preinstall/tasks/set_facts.yml

@@ -32,6 +32,10 @@
       {%-  endif -%}
       {%- endif %}
 
+- set_fact:
+    kube_apiserver_insecure_endpoint: >-
+      http://{{ kube_apiserver_insecure_bind_address | regex_replace('0\.0\.0\.0','127.0.0.1') }}:{{ kube_apiserver_insecure_port }}
+
 - set_fact:
     etcd_address: "{{ ip | default(ansible_default_ipv4['address']) }}"
 

roles/kubespray-defaults/defaults/main.yaml

@@ -92,6 +92,7 @@ kube_apiserver_ip: "{{ kube_service_addresses|ipaddr('net')|ipaddr(1)|ipaddr('ad
 # https
 kube_apiserver_port: 6443
 # http
+kube_apiserver_insecure_bind_address: 127.0.0.1
 kube_apiserver_insecure_port: 8080
 
 # Path used to store Docker data