roles/kubernetes/tasks/control-plane.yml

# Copyright (c) 2022 VEXXHOST, Inc.
#
# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
#      http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.

- name: Upload configuration for Keepalived
  when: kubernetes_keepalived_interface is defined
  block:
    - name: Create folder
      ansible.builtin.file:
        dest: /etc/keepalived
        state: directory
        owner: root
        group: root
        mode: "0755"
    - name: Upload configuration
      ansible.builtin.template:
        src: keepalived.conf.j2
        dest: /etc/keepalived/keepalived.conf
        owner: root
        group: root
        mode: "0644"
    - name: Upload health check
      ansible.builtin.template:
        src: check_apiserver.sh.j2
        dest: /etc/keepalived/check_apiserver.sh
        mode: "0755"
    - name: Upload Kubernetes manifest
      ansible.builtin.template:
        src: keepalived.yaml.j2
        dest: /etc/kubernetes/manifests/keepalived.yaml
        owner: root
        group: root
        mode: "0644"

- name: Upload configuration for HAproxy
  when: kubernetes_keepalived_interface is defined
  block:
    - name: Create folder
      ansible.builtin.file:
        dest: /etc/haproxy
        state: directory
        owner: root
        group: root
        mode: "0755"
    - name: Upload configuration
      ansible.builtin.template:
        src: haproxy.cfg.j2
        dest: /etc/haproxy/haproxy.cfg
        owner: root
        group: root
        mode: "0644"
    - name: Upload Kubernetes manifest
      ansible.builtin.template:
        src: haproxy.yaml.j2
        dest: /etc/kubernetes/manifests/haproxy.yaml
        owner: root
        group: root
        mode: "0644"

- name: Bootstrap cluster
  ansible.builtin.include_tasks: bootstrap-cluster.yml

- name: Create folder for admin configuration
  ansible.builtin.file:
    path: /root/.kube
    state: directory
    owner: root
    group: root
    mode: "0750"

- name: Creating a symlink for admin configuration file
  ansible.builtin.file:
    src: /etc/kubernetes/admin.conf
    dest: /root/.kube/config
    state: link
    force: true

- name: Add bash autocomplete for kubectl
  ansible.builtin.lineinfile:
    path: /root/.bashrc
    line: 'source <(kubectl completion bash)'
    insertbefore: EOF

- name: Install PIP
  ansible.builtin.apt:
    name: python3-pip
    install_recommends: false

- name: Install Kubernetes python package
  ansible.builtin.pip:
    name: kubernetes

- name: Allow workloads on control plane nodes
  run_once: true
  ansible.builtin.shell: |
    kubectl taint nodes --all node-role.kubernetes.io/master-
  failed_when: false
  changed_when: false

- name: Add labels to control plane nodes
  kubernetes.core.k8s:
    state: patched
    kind: Node
    name: "{{ inventory_hostname_short }}"
    definition:
      metadata:
        labels:
          openstack-control-plane: enabled