okd/roles/openshift_manage_node/tasks/main.yml

---
- name: Create temp directory for kubeconfig
  command: mktemp -d /tmp/openshift-ansible-XXXXXX
  register: mktemp
  changed_when: False
  delegate_to: "{{ openshift_master_host }}"
  run_once: true

- set_fact:
    openshift_manage_node_kubeconfig: "{{ mktemp.stdout }}/admin.kubeconfig"
  delegate_to: "{{ openshift_master_host }}"
  run_once: true

- name: Copy the admin client config(s)
  command: >
    cp {{ openshift.common.config_base }}/master/admin.kubeconfig {{ openshift_manage_node_kubeconfig }}
  changed_when: False
  delegate_to: "{{ openshift_master_host }}"
  run_once: true

# Necessary because when you're on a node that's also a master the master will be
# restarted after the node restarts docker and it will take up to 60 seconds for
# systemd to start the master again
- name: Wait for master API to become available before proceeding
  # Using curl here since the uri module requires python-httplib2 and
  # wait_for port doesn't provide health information.
  command: >
    curl --silent --tlsv1.2
    {% if openshift.common.version_gte_3_2_or_1_2 | bool %}
    --cacert {{ openshift.common.config_base }}/master/ca-bundle.crt
    {% else %}
    --cacert {{ openshift.common.config_base }}/master/ca.crt
    {% endif %}
    {{ openshift_node_master_api_url }}/healthz/ready
  args:
    # Disables the following warning:
    # Consider using get_url or uri module rather than running curl
    warn: no
  register: api_available_output
  until: api_available_output.stdout == 'ok'
  retries: 120
  delay: 1
  changed_when: false
  when: openshift.common.is_containerized | bool
  delegate_to: "{{ openshift_master_host }}"
  run_once: true

- name: Wait for Node Registration
  command: >
    {{ openshift.common.client_binary }} get node {{ openshift.node.nodename }}
    --config={{ openshift_manage_node_kubeconfig }}
    -n default
  register: omd_get_node
  until: omd_get_node.rc == 0
  retries: 50
  delay: 5
  changed_when: false
  when: "'nodename' in openshift.node"
  delegate_to: "{{ openshift_master_host }}"

- name: Set node schedulability
  command: >
    {{ openshift.common.client_binary }} adm manage-node {{ openshift.node.nodename }} --schedulable={{ 'true' if openshift.node.schedulable | bool else 'false' }}
    --config={{ openshift_manage_node_kubeconfig }}
    -n default
  when: "'nodename' in openshift.node"
  delegate_to: "{{ openshift_master_host }}"

- name: Label nodes
  command: >
    {{ openshift.common.client_binary }} label --overwrite node {{ openshift.node.nodename }} {{ openshift.node.labels | oo_combine_dict  }}
    --config={{ openshift_manage_node_kubeconfig }}
    -n default
  when: "'nodename' in openshift.node and 'labels' in openshift.node and openshift.node.labels != {}"
  delegate_to: "{{ openshift_master_host }}"

- name: Delete temp directory
  file:
    name: "{{ mktemp.stdout }}"
    state: absent
  changed_when: False
  delegate_to: "{{ openshift_master_host }}"
  run_once: true