c12s-kubespray/roles/kubernetes/master/tasks/kubeadm-secondary-experimental.yml
Matthew Mosesohn 4348e78b24 Enable kubeadm etcd mode (#4818)
* Enable kubeadm etcd mode

Uses cert commands from kubeadm experimental control plane to
enable non-master nodes to obtain etcd certs.

Related story: PROD-29434

Change-Id: Idafa1d223e5c6ceadf819b6f9c06adf4c4f74178

* Add validation checks and exclude calico kdd mode

Change-Id: Ic234f5e71261d33191376e70d438f9f6d35f358c

* Move etcd mode test to ubuntu flannel HA job

Change-Id: I9af6fd80a1bbb1692ab10d6da095eb368f6bc732

* rename etcd_mode to etcd_kubeadm_enabled

Change-Id: Ib196d6c8a52f48cae370b026f7687ff9ca69c172
2019-06-20 11:12:51 -07:00

69 lines
2.3 KiB
YAML

---
- 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: Create kubeadm ControlPlane config
template:
src: "kubeadm-controlplane.{{ kubeadmConfig_api_version }}.yaml.j2"
dest: "{{ kube_config_dir }}/kubeadm-controlplane.yaml"
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: Upload certificates so they are fresh and not expired
command: >-
{{ bin_dir }}/kubeadm init phase
--config {{ kube_config_dir }}/kubeadm-config.yaml
upload-certs --experimental-upload-certs
{% if kubeadm_certificate_key is defined %}
--certificate-key={{ kubeadm_certificate_key }}
{% endif %}
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 }}"
when: kubeadm_certificate_key is undefined
- name: check already run
debug:
msg: "{{ kubeadm_already_run.stat.exists }}"
- name: Joining control plane node to the cluster.
command: >-
{{ bin_dir }}/kubeadm join
--config {{ kube_config_dir }}/kubeadm-controlplane.yaml
--ignore-preflight-errors=all
{% if kubeadm_certificate_key is defined %}
--certificate-key={{ kubeadm_certificate_key }}
{% endif %}
register: kubeadm_join_control_plane
retries: 3
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
environment:
PATH: "{{ bin_dir }}:{{ ansible_env.PATH }}"
- name: Set secret_changed to false to avoid extra token rotation
set_fact:
secret_changed: false