Merge pull request #3255 from mlushpenko/calico_check

Fix calico health checks

roles/kubernetes/preinstall/tasks/0050-create_directories.yml

@@ -1,3 +1,4 @@
+---
 - name: Create kubernetes directories
   file:
     path: "{{ item }}"

roles/kubernetes/preinstall/tasks/0070-system-packages.yml

@@ -1,3 +1,4 @@
+---
 - name: Update package management cache (YUM)
   yum:
     update_cache: yes

roles/kubernetes/preinstall/tasks/0080-system-configurations.yml

@@ -1,3 +1,4 @@
+---
 # Todo : selinux configuration
 - name: Confirm selinux deployed
   stat:

roles/network_plugin/calico/templates/calico-node.yml.j2

@@ -136,6 +136,7 @@ spec:
               memory: {{ calico_node_memory_requests }}
           livenessProbe:
             httpGet:
+              host: 127.0.0.1
               path: /liveness
               port: 9099
             periodSeconds: 10
@@ -143,6 +144,7 @@ spec:
             failureThreshold: 6
           readinessProbe:
             httpGet:
+              host: 127.0.0.1
               path: /readiness
               port: 9099
             periodSeconds: 10