add: ingress controllers

README.md

@@ -7,6 +7,7 @@ A light-weight Kubernetes distribution for educational purposes. Run the latest
 - Vanilla Kubernetes from pkgs.k8s.io repository
 - Flannel or Calico CNI plugin
 - MetalLB loadbalander
+- Ingress controller Traefik or HAProxy
 - one control plane and multiple worker nodes
 
 ### Options

group_vars/all/main.yaml

@@ -19,6 +19,7 @@ kubernetes_minor_version: >-
   }}
 kubernetes_major_version: "{{ kubernetes_package_version_splitted[0] }}.{{ kubernetes_package_version_splitted[1] }}"
 cni_plugin: calico
+ingress_controller: traefik
 admission_plugins:
   - NodeRestriction
   - ResourceQuota

playbook-cluster-configure.yaml

@@ -23,6 +23,7 @@
   hosts: control_planes
   roles:
     - cluster_control_plane_set_up_admission_plugins
+    - ingress_controller
   vars:
     ansible_user: kubeadmin
 

playbook-cluster-finalize.yaml

@@ -3,6 +3,7 @@
   hosts: control_planes
   roles:
     - cluster_control_plane_set_up_admission_plugins
+    - ingress_controller
   vars:
     ansible_user: kubeadmin
 

roles/ingress_controller/tasks/main.yaml

@@ -0,0 +1,4 @@
+---
+- name: Include task ingress controller
+  ansible.builtin.include_tasks:
+    file: "{{ ingress_controller | lower }}.yaml"

roles/ingress_controller/tasks/traefik.yaml

@@ -0,0 +1,26 @@
+---
+- name: Add traefik repo
+  kubernetes.core.helm_repository:
+    name: traefik
+    repo_url: "https://traefik.github.io/charts"
+
+- name: Copy values ansible host
+  ansible.builtin.copy:
+    src: traefik_values.yaml
+    dest: /tmp/traefik_values.yaml
+    mode: "0755"
+
+- name: Deploy traefik
+  kubernetes.core.helm:
+    name: traefik
+    state: present
+    chart_ref: traefik/traefik
+    release_namespace: traefik-v2
+    create_namespace: true
+    values_files:
+      - /tmp/traefik_values.yaml
+
+- name: Remove values file
+  ansible.builtin.file:
+    path: /tmp/traefik_values.yaml
+    state: absent