kubespray/roles/kubernetes/kubeadm/tasks/kubeadm_etcd_node.yml

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---
- name: Refresh certificates so they are fresh and not expired
command: >-
{{ bin_dir }}/kubeadm init phase
--config {{ kube_config_dir }}/kubeadm-config.yaml
upload-certs
{% if kubeadm_version is version('v1.15.0', '<') %}
--experimental-upload-certs
{% else %}
--upload-certs
{% endif %}
{% if kubeadm_certificate_key is defined and kubeadm_version is version('v1.15.0', '<') %}
--certificate-key={{ kubeadm_certificate_key }}
{% endif %}
register: kubeadm_upload_cert
delegate_to: "{{ groups['kube-master'][0] }}"
when: kubeadm_etcd_refresh_cert_key
run_once: yes
- 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: Pull control plane certs down
shell: >-
{{ bin_dir }}/kubeadm join phase
control-plane-prepare download-certs
--certificate-key {{ kubeadm_certificate_key }}
--experimental-control-plane
--token {{ kubeadm_token }}
--discovery-token-unsafe-skip-ca-verification
{{ kubeadm_discovery_address }}
&&
{{ bin_dir }}/kubeadm join phase
control-plane-prepare certs
--experimental-control-plane
--token {{ kubeadm_token }}
--discovery-token-unsafe-skip-ca-verification
{{ kubeadm_discovery_address }}
args:
creates: "{{ kube_cert_dir }}/apiserver-etcd-client.key"
- name: Delete unneeded certificates
file:
path: "{{ item }}"
state: absent
with_items:
- "{{ kube_cert_dir }}/apiserver.crt"
- "{{ kube_cert_dir }}/apiserver.key"
- "{{ kube_cert_dir }}/ca.key"
- "{{ kube_cert_dir }}/etcd/ca.key"
- "{{ kube_cert_dir }}/etcd/healthcheck-client.crt"
- "{{ kube_cert_dir }}/etcd/healthcheck-client.key"
- "{{ kube_cert_dir }}/etcd/peer.crt"
- "{{ kube_cert_dir }}/etcd/peer.key"
- "{{ kube_cert_dir }}/etcd/server.crt"
- "{{ kube_cert_dir }}/etcd/server.key"
- "{{ kube_cert_dir }}/front-proxy-ca.crt"
- "{{ kube_cert_dir }}/front-proxy-ca.key"
- "{{ kube_cert_dir }}/front-proxy-client.crt"
- "{{ kube_cert_dir }}/front-proxy-client.key"
- "{{ kube_cert_dir }}/sa.key"
- "{{ kube_cert_dir }}/sa.pub"
- name: Calculate etcd cert serial
command: "openssl x509 -in {{ kube_cert_dir }}/apiserver-etcd-client.crt -noout -serial"
register: "etcd_client_cert_serial_result"
changed_when: false
when:
- inventory_hostname in groups['k8s-cluster']|union(groups['calico-rr']|default([]))|unique|sort
tags:
- network
- name: Set etcd_client_cert_serial
set_fact:
etcd_client_cert_serial: "{{ etcd_client_cert_serial_result.stdout.split('=')[1] }}"
tags:
- network