okd/playbooks/init/cluster_facts.yml

---
- name: Initialize cluster facts
  # l_init_fact_hosts is passed in via play during control-plane-only
  # upgrades and scale-up plays; otherwise oo_all_hosts is used.
  hosts: "{{ l_init_fact_hosts | default('oo_all_hosts') }}"
  roles:
  - role: openshift_facts
  - role: lib_utils
  tasks:
  - name: get openshift_current_version
    # get_current_openshift_version is a custom module in lib_utils
    # this will set_fact openshift_current_version
    get_current_openshift_version:
      deployment_type: "{{ openshift_deployment_type }}"

  - name: Gather Cluster facts
    openshift_facts:
      role: common
      local_facts:
        hostname: "{{ openshift_hostname | default(None) }}"
        ip: "{{ openshift_ip | default(None) }}"
        public_hostname: "{{ openshift_public_hostname | default(None) }}"
        public_ip: "{{ openshift_public_ip | default(None) }}"
        portal_net: "{{ openshift_portal_net | default(openshift_master_portal_net) | default(None) }}"
        http_proxy: "{{ openshift_http_proxy | default(None) }}"
        https_proxy: "{{ openshift_https_proxy | default(None) }}"
        no_proxy: "{{ openshift_no_proxy | default(None) }}"
        generate_no_proxy_hosts: "{{ openshift_generate_no_proxy_hosts | default(True) }}"

  - name: Set fact of no_proxy_internal_hostnames
    openshift_facts:
      role: common
      local_facts:
        no_proxy_internal_hostnames: "{{ hostvars | lib_utils_oo_select_keys(groups['oo_nodes_to_config']
                                             | union(groups['oo_masters_to_config'])
                                             | union(groups['oo_etcd_to_config'] | default([])))
                                         | lib_utils_oo_collect('openshift.common.hostname') | default([]) | join (',')
                                         }}"
    when:
    - openshift_http_proxy is defined or openshift_https_proxy is defined
    - openshift_generate_no_proxy_hosts | default(True) | bool

  - name: Initialize openshift.node.sdn_mtu
    openshift_facts:
      role: node
      local_facts:
        sdn_mtu: "{{ openshift_node_sdn_mtu | default(None) }}"

- name: Initialize etcd host variables
  hosts: oo_masters_to_config
  roles:
  - role: openshift_facts
  - role: lib_utils
  tasks:
  # This needs to run after openshift_facts common role has run on etcd hosts.
  # lib_utils_oo_select_keys, lib_utils_oo_collect
  # are custom filter plugins in roles/lib_utils/filter_plugins/oo_filters.py
  - set_fact:
      openshift_no_proxy_etcd_host_ips: "{{ hostvars | lib_utils_oo_select_keys(groups['oo_etcd_to_config'] | default([]))
                                                  | lib_utils_oo_collect('openshift.common.ip') | default([]) | join(',')
                                                  }}"
      openshift_master_etcd_port: "{{ etcd_client_port | default('2379') }}"
      openshift_master_etcd_hosts: "{{ hostvars
                                       | lib_utils_oo_select_keys(groups['oo_etcd_to_config']
                                                        | default([]))
                                       | lib_utils_oo_collect('openshift.common.hostname')
                                       | default(none, true) }}"
  # This fact requires the facts set above, so needs to happen in it's own task.
  - set_fact:
      # lib_utils_oo_etcd_host_urls is a custom filter plugin in roles/lib_utils/filter_plugins/oo_filters.py
      openshift_master_etcd_urls: "{{ openshift_master_etcd_hosts | lib_utils_oo_etcd_host_urls(l_use_ssl, openshift_master_etcd_port) }}"
    vars:
      l_use_ssl: "{{ openshift_master_etcd_use_ssl | default(True) | bool}}"