okd/roles/openshift_master_certificates/tasks/main.yml

---
- set_fact:
    openshift_master_certs_no_etcd:
    - admin.crt
    - master.kubelet-client.crt
    - "{{ 'master.proxy-client.crt' if openshift.common.version_gte_3_1_or_1_1 else omit }}"
    - master.server.crt
    - openshift-master.crt
    - openshift-registry.crt
    - openshift-router.crt
    - etcd.server.crt
    openshift_master_certs_etcd:
    - master.etcd-client.crt

- set_fact:
    openshift_master_certs: "{{ (openshift_master_certs_no_etcd | union(openshift_master_certs_etcd )) if openshift_master_etcd_hosts | length > 0 else openshift_master_certs_no_etcd }}"

- name: Check status of master certificates
  stat:
    path: "{{ openshift_master_config_dir }}/{{ item }}"
  with_items:
  - "{{ openshift_master_certs }}"
  register: g_master_cert_stat_result
  when: not openshift_certificates_redeploy | default(false) | bool

- set_fact:
    master_certs_missing: "{{ true if openshift_certificates_redeploy | default(false) | bool
                              else (False in (g_master_cert_stat_result.results
                                              | default({})
                                              | oo_collect(attribute='stat.exists')
                                              | list)) }}"

- name: Ensure the generated_configs directory present
  file:
    path: "{{ openshift_master_generated_config_dir }}"
    state: directory
    mode: 0700
  when: master_certs_missing | bool and inventory_hostname != openshift_ca_host
  delegate_to: "{{ openshift_ca_host }}"

- name: Create the master server certificate
  command: >
    {{ hostvars[openshift_ca_host].openshift.common.client_binary }} adm ca create-server-cert
    {% for named_ca_certificate in openshift.master.named_certificates | default([]) | oo_collect('cafile') %}
    --certificate-authority {{ named_ca_certificate }}
    {% endfor %}
    --hostnames={{ hostvars[item].openshift.common.all_hostnames | join(',') }}
    --cert={{ openshift_generated_configs_dir }}/master-{{ hostvars[item].openshift.common.hostname }}/master.server.crt
    --key={{ openshift_generated_configs_dir }}/master-{{ hostvars[item].openshift.common.hostname }}/master.server.key
    --signer-cert={{ openshift_ca_cert }}
    --signer-key={{ openshift_ca_key }}
    --signer-serial={{ openshift_ca_serial }}
    --overwrite=false
  with_items: "{{ hostvars
                  | oo_select_keys(groups['oo_masters_to_config'])
                  | oo_collect(attribute='inventory_hostname', filters={'master_certs_missing':True})
                  | difference([openshift_ca_host])}}"
  delegate_to: "{{ openshift_ca_host }}"
  run_once: true

- name: Generate the master client config
  command: >
    {{ hostvars[openshift_ca_host].openshift.common.client_binary }} adm create-api-client-config
      {% for named_ca_certificate in openshift.master.named_certificates | default([]) | oo_collect('cafile') %}
      --certificate-authority {{ named_ca_certificate }}
      {% endfor %}
      --certificate-authority={{ openshift_ca_cert }}
      --client-dir={{ openshift_generated_configs_dir }}/master-{{ hostvars[item].openshift.common.hostname }}
      --groups=system:masters,system:openshift-master
      --master={{ openshift.master.api_url }}
      --public-master={{ openshift.master.public_api_url }}
      --signer-cert={{ openshift_ca_cert }}
      --signer-key={{ openshift_ca_key }}
      --signer-serial={{ openshift_ca_serial }}
      --user=system:openshift-master
      --basename=openshift-master
  args:
    creates: "{{ openshift_generated_configs_dir }}/master-{{ hostvars[item].openshift.common.hostname }}/openshift-master.kubeconfig"
  with_items: "{{ hostvars
                  | oo_select_keys(groups['oo_masters_to_config'])
                  | oo_collect(attribute='inventory_hostname', filters={'master_certs_missing':True})
                  | difference([openshift_ca_host])}}"
  delegate_to: "{{ openshift_ca_host }}"
  run_once: true

- file:
    src: "{{ openshift_master_config_dir }}/{{ item }}"
    dest: "{{ openshift_master_generated_config_dir }}/{{ item }}"
    state: hard
    force: true
  with_items:
  - "{{ hostvars[inventory_hostname] | certificates_to_synchronize }}"
  when: master_certs_missing | bool and inventory_hostname != openshift_ca_host
  delegate_to: "{{ openshift_ca_host }}"

- name: Remove generated etcd client certs when using external etcd
  file:
    path: "{{ openshift_master_generated_config_dir }}/{{ item }}"
    state: absent
  when: openshift_master_etcd_hosts | length > 0
  with_items:
  - master.etcd-client.crt
  - master.etcd-client.key
  delegate_to: "{{ openshift_ca_host }}"

- name: Create local temp directory for syncing certs
  local_action: command mktemp -d /tmp/openshift-ansible-XXXXXXX
  register: g_master_certs_mktemp
  changed_when: False
  when: master_certs_missing | bool
  delegate_to: localhost
  become: no

- name: Create a tarball of the master certs
  command: >
    tar -czvf {{ openshift_master_generated_config_dir }}.tgz
      -C {{ openshift_master_generated_config_dir }} .
  args:
    creates: "{{ openshift_master_generated_config_dir }}.tgz"
  when: master_certs_missing | bool and inventory_hostname != openshift_ca_host
  delegate_to: "{{ openshift_ca_host }}"

- name: Retrieve the master cert tarball from the master
  fetch:
    src: "{{ openshift_master_generated_config_dir }}.tgz"
    dest: "{{ g_master_certs_mktemp.stdout }}/"
    flat: yes
    fail_on_missing: yes
    validate_checksum: yes
  when: master_certs_missing | bool and inventory_hostname != openshift_ca_host
  delegate_to: "{{ openshift_ca_host }}"

- name: Ensure certificate directory exists
  file:
    path: "{{ openshift_master_config_dir }}"
    state: directory
  when: master_certs_missing | bool and inventory_hostname != openshift_ca_host

- name: Unarchive the tarball on the master
  unarchive:
    src: "{{ g_master_certs_mktemp.stdout }}/{{ openshift_master_cert_subdir }}.tgz"
    dest: "{{ openshift_master_config_dir }}"
  when: master_certs_missing | bool and inventory_hostname != openshift_ca_host

- file: name={{ g_master_certs_mktemp.stdout }} state=absent
  changed_when: False
  when: master_certs_missing | bool
  delegate_to: localhost
  become: no

- name: Lookup default group for ansible_ssh_user
  command: "/usr/bin/id -g {{ ansible_ssh_user }}"
  changed_when: false
  register: _ansible_ssh_user_gid

- set_fact:
    client_users: "{{ [ansible_ssh_user, 'root'] | unique }}"

- name: Create the client config dir(s)
  file:
    path: "~{{ item }}/.kube"
    state: directory
    mode: 0700
    owner: "{{ item }}"
    group: "{{ 'root' if item == 'root' else _ansible_ssh_user_gid.stdout  }}"
  with_items: "{{ client_users }}"

# TODO: Update this file if the contents of the source file are not present in
# the dest file, will need to make sure to ignore things that could be added
- name: Copy the admin client config(s)
  copy:
    src: "{{ openshift_master_config_dir }}/admin.kubeconfig"
    dest: "~{{ item }}/.kube/config"
    remote_src: yes
    force: "{{ openshift_certificates_redeploy | default(false) }}"
  with_items: "{{ client_users }}"

- name: Update the permissions on the admin client config(s)
  file:
    path: "~{{ item }}/.kube/config"
    state: file
    mode: 0700
    owner: "{{ item }}"
    group: "{{ 'root' if item == 'root' else _ansible_ssh_user_gid.stdout  }}"
  with_items: "{{ client_users }}"

# Ensure ca-bundle exists for 3.2+ configuration
- name: Check for ca-bundle.crt
  stat:
    path: "{{ openshift.common.config_base }}/master/ca-bundle.crt"
  register: ca_bundle_stat
  failed_when: false

- name: Check for ca.crt
  stat:
    path: "{{ openshift.common.config_base }}/master/ca.crt"
  register: ca_crt_stat
  failed_when: false

- name: Migrate ca.crt to ca-bundle.crt
  command: mv ca.crt ca-bundle.crt
  args:
    chdir: "{{ openshift.common.config_base }}/master"
  when: ca_crt_stat.stat.isreg and not ca_bundle_stat.stat.exists

- name: Link ca.crt to ca-bundle.crt
  file:
    src: "{{ openshift.common.config_base }}/master/ca-bundle.crt"
    path: "{{ openshift.common.config_base }}/master/ca.crt"
    state: link
  when: ca_crt_stat.stat.isreg and not ca_bundle_stat.stat.exists