Adding some stuff to manage fedora based kubernetes nodes

.vscode/settings.json

@@ -0,0 +1,3 @@
+{
+    "ansible.python.interpreterPath": "c:\\Program Files\\Python312\\python.exe"
+}

inventories/kubernetes

@@ -1,9 +1,9 @@
 [masters]
-KubeMaster ansible_host=192.168.100.2 master=true
+kubemaster ansible_host=192.168.100.2 master=true
 
 [workers]
-KubeWorker1 ansible_host=192.168.100.3 worker=true
+kubeworker1 ansible_host=192.168.100.3 worker=true
-KubeWorker2 ansible_host=192.168.100.4 worker=true
+kubeworker2 ansible_host=192.168.100.4 worker=true
 
 [ansible]
-Ansible ansible_host=192.168.100.5
+ansible ansible_host=192.168.100.5 connection=local

playbooks/fedora_configure_node_for_k8s.yml

@@ -0,0 +1,79 @@
+---
+- hosts: masters,workers
+  become: true
+  become_method: sudo
+  become_user: root
+  tasks:
+    - name: Stop and disable zram generator
+      ansible.builtin.service:
+        name: "swap-create@zram0"
+        enabled: false
+        state: stopped
+
+    - name: Remove zram generator defaults
+      ansible.builtin.yum:
+        name: "zram-generator-defaults"
+        state: absent
+
+    - name: Reboot the system to get rid of the zram swap that's already been set up
+      ansible.builtin.reboot:
+        reboot_timeout: 900
+
+    - name: Set SELinux to Permissive
+      ansible.posix.selinux:
+        state: permissive
+
+    - name: Disable firewalld
+      ansible.builtin.service:
+        name: firewalld
+        enabled: false
+        state: stopped
+
+    - name: Install iptables components
+      ansible.builtin.yum:
+        name:
+          - iptables
+          - iproute-tc
+        state: present
+
+    - name: Add overlay modprobe module
+      community.general.modprobe:
+        name: overlay
+        persistent: present
+        state: present
+
+    - name: Add br_netfilter module
+      community.general.modprobe:
+        name: br_netfilter
+        persistent: present
+        state: present
+
+    - name: Create network settings configuration file
+      ansible.builtin.blockinfile:
+        path: "/etc/sysctl.d/99-kubernetes-cri.conf"
+        block: |
+          net.bridge.bridge-nf-call-iptables = 1
+          net.ipv4.ip_forward = 1
+          net.bridge.bridge-nf-call-ip6tables = 1
+        create: true
+    
+    - name: Apply new sysctl settings
+      ansible.builtin.shell:
+        cmd: sysctl --system
+      changed_when: false
+
+    - name: Install cri-o and kubernetes
+      ansible.builtin.yum:
+        name:
+          - cri-o
+          - containernetworking-plugins
+          - kubernetes
+          - kubernetes-kubeadm
+          - kubernetes-client
+        state: present
+
+    - name: Enable and start cri-o
+      ansible.builtin.service:
+        name: crio
+        enabled: true
+        state: started 

playbooks/rocky_configure_node_for_k8s.yml

@@ -18,7 +18,7 @@
 
     - name: Set SELinux to Permissive
       ansible.posix.selinux:
-        state: disabled
+        state: permissive
 
     - name: Set firewalld configuration | Master Nodes
       ansible.posix.firewalld: