c12s-kubespray/roles/kubernetes/master/tasks/kubeadm-secondary.yml

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---
- name: Set kubeadm_discovery_address
set_fact:
kubeadm_discovery_address: >-
{%- if "127.0.0.1" in kube_apiserver_endpoint or "localhost" in kube_apiserver_endpoint -%}
{{ first_kube_master }}:{{ kube_apiserver_port }}
{%- else -%}
{{ kube_apiserver_endpoint | regex_replace('https://', '') }}
{%- endif %}
tags:
- facts
- name: Upload certificates so they are fresh and not expired
command: >-
{{ bin_dir }}/kubeadm init phase
--config {{ kube_config_dir }}/kubeadm-config.yaml
upload-certs
--upload-certs
register: kubeadm_upload_cert
when:
- inventory_hostname == groups['kube-master']|first
- name: Parse certificate key if not set
set_fact:
kubeadm_certificate_key: "{{ hostvars[groups['kube-master'][0]]['kubeadm_upload_cert'].stdout_lines[-1] | trim }}"
run_once: yes
when:
- hostvars[groups['kube-master'][0]]['kubeadm_upload_cert'] is defined
- hostvars[groups['kube-master'][0]]['kubeadm_upload_cert'] is not skipped
- name: Create kubeadm ControlPlane config
template:
src: "kubeadm-controlplane.{{ kubeadmConfig_api_version }}.yaml.j2"
dest: "{{ kube_config_dir }}/kubeadm-controlplane.yaml"
mode: 0640
backup: yes
when:
- inventory_hostname != groups['kube-master']|first
- not kubeadm_already_run.stat.exists
- name: Wait for k8s apiserver
wait_for:
host: "{{ kubeadm_discovery_address.split(':')[0] }}"
port: "{{ kubeadm_discovery_address.split(':')[1] }}"
timeout: 180
- name: check already run
debug:
msg: "{{ kubeadm_already_run.stat.exists }}"
- name: Joining control plane node to the cluster.
shell: >-
if [ -f /etc/kubernetes/manifests/kube-apiserver.yaml ]; then
{{ bin_dir }}/kubeadm reset -f --cert-dir {{ kube_cert_dir }};
fi &&
{{ bin_dir }}/kubeadm join
--config {{ kube_config_dir }}/kubeadm-controlplane.yaml
--ignore-preflight-errors=all
environment:
PATH: "{{ bin_dir }}:{{ ansible_env.PATH }}"
register: kubeadm_join_control_plane
retries: 3
throttle: 1
until: kubeadm_join_control_plane is succeeded
when:
- inventory_hostname != groups['kube-master']|first
- kubeadm_already_run is not defined or not kubeadm_already_run.stat.exists