Add loadbalancer task file

tasks/load_balancer.yml

@@ -0,0 +1,32 @@
+---
+  - name: Install needed packages
+    package:
+      name: "{{ item }}"
+      state: latest
+      update_cache: yes
+    with_items:
+      - keepalived
+      - curl
+    notify: Restart keepalived
+  - name: Install check_apiserver.sh script for keepalived
+    template:
+      src: etc/keepalived/check_apiserver.sh.j2
+      dest: /etc/keepalived/check_apiserver.sh
+  - name: Install keepalived config file
+    template:
+      src: etc/keepalived/keepalived.conf.j2
+      dest: /etc/keepalived/keepalived.conf
+    with_items:
+      - { lbip: '{{ lbip_kubeapiserver }}', state: "MASTER", interface: '{{ lb_interface }}', auth_pass: '{{ lb_auth_pass }}' }
+    when:
+      - groups['Kube-masters'][0] == ansible_hostname
+    notify: Restart keepalived
+  - name: Install keepalived config file
+    template:
+      src: etc/keepalived/keepalived.conf.j2
+      dest: /etc/keepalived/keepalived.conf
+    with_items:
+      - { lbip: '{{ lbip_kubeapiserver }}', state: "BACKUP", interface: '{{ lb_interface }}', auth_pass: '{{ lb_auth_pass }}' }
+    when:
+      - not groups['Kube-masters'][0] == ansible_hostname
+    notify: Restart keepalived