Update dir list

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

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+# Todo : selinux configuration
+- name: Confirm selinux deployed
+  stat:
+    path: /etc/selinux/config
+  when: ansible_os_family == "RedHat"
+  register: slc
+
+- name: Set selinux policy
+  selinux:
+    policy: targeted
+    state: "{{ preinstall_selinux_state }}"
+  when:
+    - ansible_os_family == "RedHat"
+    - slc.stat.exists == True
+  changed_when: False
+  tags:
+    - bootstrap-os
+
+- name: Disable IPv6 DNS lookup
+  lineinfile:
+    dest: /etc/gai.conf
+    line: "precedence ::ffff:0:0/96  100"
+    state: present
+    backup: yes
+  when:
+    - disable_ipv6_dns
+    - not ansible_os_family in ["CoreOS", "Container Linux by CoreOS"]
+  tags:
+    - bootstrap-os
+
+- name: Stat sysctl file configuration
+  stat:
+    path: "{{sysctl_file_path}}"
+  register: sysctl_file_stat
+  tags:
+    - bootstrap-os
+
+- name: Change sysctl file path to link source if linked
+  set_fact:
+    sysctl_file_path: "{{sysctl_file_stat.stat.lnk_source}}"
+  when:
+    - sysctl_file_stat.stat.islnk is defined
+    - sysctl_file_stat.stat.islnk
+  tags:
+    - bootstrap-os
+
+- name: Enable ip forwarding
+  sysctl:
+    sysctl_file: "{{sysctl_file_path}}"
+    name: net.ipv4.ip_forward
+    value: 1
+    state: present
+    reload: yes