okd/roles/openshift_node_certificates/tasks/main.yml

---
- name: Create openshift_generated_configs_dir if it doesn't exist
  file:
    path: "{{ openshift_generated_configs_dir }}"
    state: directory
  when: nodes_needing_certs | length > 0

- name: Generate the node client config
  command: >
    {{ openshift.common.admin_binary }} create-api-client-config
      --certificate-authority={{ openshift_master_ca_cert }}
      --client-dir={{ openshift_generated_configs_dir }}/node-{{ item.openshift.common.hostname }}
      --groups=system:nodes
      --master={{ openshift.master.api_url }}
      --signer-cert={{ openshift_master_ca_cert }}
      --signer-key={{ openshift_master_ca_key }}
      --signer-serial={{ openshift_master_ca_serial }}
      --user=system:node:{{ item.openshift.common.hostname }}
  args:
    creates: "{{ openshift_generated_configs_dir }}/node-{{ item.openshift.common.hostname }}"
  with_items: nodes_needing_certs

- name: Generate the node server certificate
  command: >
    {{ openshift.common.admin_binary }} ca create-server-cert
      --cert={{ openshift_generated_configs_dir }}/node-{{ item.openshift.common.hostname }}/server.crt
      --key={{ openshift_generated_configs_dir }}/node-{{ item.openshift.common.hostname }}/server.key
      --overwrite=true
      --hostnames={{ item.openshift.common.all_hostnames |join(",") }}
      --signer-cert={{ openshift_master_ca_cert }}
      --signer-key={{ openshift_master_ca_key }}
      --signer-serial={{ openshift_master_ca_serial }}
  args:
    creates: "{{ openshift_generated_configs_dir }}/node-{{ item.openshift.common.hostname }}/server.crt"
  with_items: nodes_needing_certs