Install specific K8s version

playbooks/kubernetes/Vagrantfile

@@ -1,7 +1,21 @@
 IMAGE_NAME = "bento/ubuntu-22.04"
+
 CONTROL_PLANES = 1
 NODES = 0
 
+ansible_groups = {
+    "control_planes" => [
+        "control-plane-[1:#{CONTROL_PLANES}]"
+    ],
+    "nodes" => [
+        "node-[1:#{NODES}]"
+    ],
+    "local_dev" => [
+        "control-plane-[1:#{CONTROL_PLANES}]",
+        "node-[1:#{NODES}]"
+    ],
+}
+
 Vagrant.configure("2") do |config|
     config.ssh.insert_key = false
 
@@ -17,10 +31,9 @@ Vagrant.configure("2") do |config|
             control_plane.vm.hostname = "control-plane-#{i}"
             control_plane.vm.provision "ansible" do |ansible|
                 ansible.playbook = "playbook.yaml"
+                ansible.groups = ansible_groups
                 ansible.extra_vars = {
-                    cluster_name: "gerar",
-                    node_ip: "192.168.56.#{10 + i}",
-                    is_control_plane: true,
+                    node_ip: "192.168.56.#{10 + i}"
                 }
             end
         end
@@ -33,10 +46,9 @@ Vagrant.configure("2") do |config|
             node.vm.hostname = "node-#{i}"
             node.vm.provision "ansible" do |ansible|
                 ansible.playbook = "playbook.yaml"
+                ansible.groups = ansible_groups
                 ansible.extra_vars = {
-                    cluster_name: "gerar",
                     node_ip: "192.168.56.#{20 + i}",
-                    is_control_plane: false,
                     control_plane_endpoint: "192.168.56.11",
                 }
             end

playbooks/kubernetes/group_vars/all.yaml

@@ -0,0 +1 @@
+kubeadmin_config: "/etc/kubernetes/admin.conf"

playbooks/kubernetes/group_vars/control_planes.yaml

@@ -0,0 +1 @@
+is_control_plane: true

playbooks/kubernetes/group_vars/gerar.yaml

@@ -0,0 +1,5 @@
+ansible_user: servant
+cluster_name: "gerar"
+k8s_version: "1.26"
+pod_network_cidr: "10.254.0.0/16"
+service_cidr: "10.255.0.0/16"

playbooks/kubernetes/group_vars/local_dev.yaml

@@ -0,0 +1,5 @@
+cluster_name: "local-dev"
+k8s_version: "1.26"
+pod_network_cidr: "10.254.0.0/16"
+service_cidr: "10.255.0.0/16"
+kubeadmin_config: "/etc/kubernetes/admin.conf"

playbooks/kubernetes/group_vars/nodes.yaml

@@ -0,0 +1 @@
+is_control_plane: false

playbooks/kubernetes/inventory.yaml

@@ -5,19 +5,7 @@ all:
         control_planes:
           hosts:
             matthew.gerar.jilits.se:
-          vars:
-            is_control_plane: true
         nodes:
           hosts:
             mark.gerar.jilits.se:
             luke.gerar.jilits.se:
-          vars:
-            is_control_plane: false
-      vars:
-        ansible_user: servant
-        cluster_name: "gerar"
-        k8s_version: 1.26
-        pod_network_cidr: "10.254.0.0/16"
-        service_cidr: "10.255.0.0/16"
-  vars:
-    kubeadmin_config: /etc/kubernetes/admin.conf

playbooks/kubernetes/playbook.yaml

@@ -2,6 +2,8 @@
 - hosts: all
   gather_facts: yes
   roles:
+    - include_role:
+      name: install_system_tools
     - include_role:
       name: remove_swap
     - include_role:

roles/install_system_tools/tasks/main.yml

@@ -0,0 +1,10 @@
+---
+- name: Install system tools
+  become: true
+  vars:
+    packages:
+      - less
+  ansible.builtin.apt:
+    name: "{{ packages }}"
+    state: present
+    update_cache: yes

roles/kubernetes/any/tasks/main.yml

@@ -9,8 +9,9 @@
       - curl
   ansible.builtin.apt:
     name: "{{ packages }}"
-    state: present
+    state: latest
     update_cache: yes
+    cache_valid_time: 3600
 
 - name: Setup Kubernetes repository
   become: true
@@ -25,19 +26,29 @@
         repo: deb [signed-by=/etc/apt/keyrings/kubernetes-archive-keyring.gpg] https://apt.kubernetes.io/ kubernetes-xenial main
         state: present
 
+    - name: Update apt cache
+      ansible.builtin.apt:
+        update_cache: yes
+
+- name: Get Kubernetes package version
+  ansible.builtin.shell: "apt-cache show kubeadm | grep -F 'Version: {{ k8s_version }}.' | cut -d' ' -f2 | sort -n | tail -n 1"
+  register: k8s_pkg_ver
+
 - name: Setup Kubernetes packages
   become: true
   vars:
     packages:
-      - kubelet
-      - kubeadm
-      - kubectl
+      - kubelet={{ k8s_pkg_ver.stdout }}
+      - kubeadm={{ k8s_pkg_ver.stdout }}
+      - kubectl={{ k8s_pkg_ver.stdout }}
   block:
     - name: Install kubelet, kubeadm and kubectl
       ansible.builtin.apt:
         name: "{{ packages }}"
         state: present
         update_cache: yes
+        allow_downgrade: no
+        cache_valid_time: 3600
 
     - name: Hold Kubernetes packages
       loop: "{{ packages }}"

roles/kubernetes/control_plane/tasks/main.yml

@@ -53,6 +53,7 @@
         name: "{{ packages }}"
         state: present
         update_cache: yes
+        cache_valid_time: 3600
 
     - name: Install Kubernetes module dependencies
       ansible.builtin.pip: