c12s-kubespray/roles/kubernetes/kubeadm/tasks/main.yml

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---
- name: Set kubeadm_discovery_address
set_fact:
kubeadm_discovery_address: >-
{%- if "127.0.0.1" or "localhost" in kube_apiserver_endpoint -%}
{{ first_kube_master }}:{{ kube_apiserver_port }}
{%- else -%}
{{ kube_apiserver_endpoint }}
{%- endif %}
when: not is_kube_master
tags:
- facts
- name: Check if kubelet.conf exists
stat:
path: "{{ kube_config_dir }}/kubelet.conf"
register: kubelet_conf
- name: Create kubeadm client config
template:
src: kubeadm-client.conf.j2
dest: "{{ kube_config_dir }}/kubeadm-client.conf"
backup: yes
when: not is_kube_master
register: kubeadm_client_conf
- name: Join to cluster if needed
command: "{{ bin_dir }}/kubeadm join --config {{ kube_config_dir}}/kubeadm-client.conf --skip-preflight-checks"
register: kubeadm_join
when: not is_kube_master and (kubeadm_client_conf.changed or not kubelet_conf.stat.exists)
- name: Wait for kubelet bootstrap to create config
wait_for:
path: "{{ kube_config_dir }}/kubelet.conf"
delay: 1
timeout: 60
- name: Update server field in kubelet kubeconfig
replace:
path: "{{ kube_config_dir }}/kubelet.conf"
regexp: '(\s+)https://{{ first_kube_master }}:{{ kube_apiserver_port }}(\s+.*)?$'
replace: '\1{{ kube_apiserver_endpoint }}\2'
backup: yes
when: not is_kube_master and kubeadm_discovery_address != kube_apiserver_endpoint
notify: restart kubelet
# FIXME(mattymo): Reconcile kubelet kubeconfig filename for both deploy modes
- name: Symlink kubelet kubeconfig for calico/canal
file:
src: "{{ kube_config_dir }}//kubelet.conf"
dest: "{{ kube_config_dir }}/node-kubeconfig.yaml"
state: link
force: yes
when: kube_network_plugin in ['calico','canal']