start ansible scripts

ansible/roles/common/tasks/main.yml

@@ -0,0 +1,101 @@
+# ------------------------------------------------------------------------------
+# FILE: roles/common/tasks/main.yml
+# ------------------------------------------------------------------------------
+- name: Disable swap
+  command: swapoff -a
+  changed_when: false
+
+- name: Persist swap off by commenting out swap in fstab
+  replace:
+    path: /etc/fstab
+    regexp: '^(\s*)([^#\n]+\s+swap\s+.*)$'
+    replace: '#\2'
+    backup: yes
+
+- name: Load required kernel modules
+  modprobe:
+    name: "{{ item }}"
+    state: present
+  loop:
+    - overlay
+    - br_netfilter
+
+- name: Persist kernel modules on boot
+  copy:
+    dest: /etc/modules-load.d/k8s.conf
+    content: |
+      overlay
+      br_netfilter
+
+- name: Configure required sysctl params for Kubernetes
+  copy:
+    dest: /etc/sysctl.d/k8s.conf
+    content: |
+      net.bridge.bridge-nf-call-iptables  = 1
+      net.bridge.bridge-nf-call-ip6tables = 1
+      net.ipv4.ip_forward                 = 1
+
+- name: Apply sysctl params without reboot
+  command: sysctl --system
+  changed_when: false
+
+- name: Set SELinux to permissive mode
+  selinux:
+    policy: targeted
+    state: permissive
+
+- name: Install DNF plugins core for managing repositories
+  dnf:
+    name: dnf-plugins-core
+    state: present
+
+- name: Add Docker CE repository
+  command: dnf config-manager --add-repo https://download.docker.com/linux/fedora/docker-ce.repo
+  args:
+    creates: /etc/yum.repos.d/docker-ce.repo
+
+- name: Install containerd
+  dnf:
+    name: containerd.io
+    state: present
+
+- name: Create containerd config directory
+  file:
+    path: /etc/containerd
+    state: directory
+
+- name: Generate default containerd config and enable SystemdCgroup
+  shell: |
+    containerd config default > /etc/containerd/config.toml
+    sed -i 's/SystemdCgroup = false/SystemdCgroup = true/' /etc/containerd/config.toml
+  args:
+    creates: /etc/containerd/config.toml
+
+- name: Restart and enable containerd service
+  systemd:
+    name: containerd
+    state: restarted
+    enabled: yes
+    daemon_reload: yes
+
+- name: Add Kubernetes repository
+  yum_repository:
+    name: kubernetes
+    description: Kubernetes
+    baseurl: https://pkgs.k8s.io/core:/stable:/v1.33/rpm/
+    gpgkey: https://pkgs.k8s.io/core:/stable:/v1.33/rpm/repodata/repomd.xml.key
+    gpgcheck: yes
+
+- name: Install Kubernetes packages
+  dnf:
+    name:
+      - kubelet
+      - kubeadm
+      - kubectl
+    state: present
+    disable_excludes: kubernetes
+
+- name: Enable the kubelet service
+  systemd:
+    name: kubelet
+    enabled: yes