Add kafka-kubernetes/roles/prepare/tasks/main.yml

kafka-kubernetes/roles/prepare/tasks/main.yml

@@ -0,0 +1,34 @@
+---
+- name: Ensure OS packages are up-to-date
+  apt:
+    upgrade: dist
+    update_cache: yes
+
+- name: Disable swap
+  sysctl:
+    name: vm.swappiness
+    value: 0
+    state: present
+    reload: yes
+
+- name: Enable kernel modules required by Kubernetes
+  modprobe:
+    name: "{{ item }}"
+    state: present
+  loop:
+    - overlay
+    - br_netfilter
+
+- name: Load iptables rules permanently
+  lineinfile:
+    path: /etc/modules-load.d/kubernetes.conf
+    create: yes
+    regexp: '^{{ item }}$'
+    line: '{{ item }}'
+  loop:
+    - overlay
+    - br_netfilter
+
+- name: Set SELinux in permissive mode
+  selinux:
+    state: permissive