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path: root/playbooks/common/openshift-cluster/redeploy-certificates.yml
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---
- include: evaluate_groups.yml

- include: initialize_facts.yml

- include: initialize_openshift_version.yml

- name: Load openshift_facts
  hosts: oo_etcd_to_config:oo_masters_to_config:oo_nodes_to_config
  roles:
  - openshift_facts

- name: Redeploy etcd certificates
  hosts: oo_etcd_to_config
  any_errors_fatal: true
  vars:
    etcd_ca_host: "{{ groups.oo_etcd_to_config.0 }}"
    etcd_conf_dir: /etc/etcd
    etcd_generated_certs_dir: "{{ etcd_conf_dir }}/generated_certs"

  pre_tasks:
  - stat:
      path: "{{ etcd_generated_certs_dir }}"
    register: etcd_generated_certs_dir_stat
  - name: Backup etcd certificates
    command: >
      tar -czvf /etc/etcd/etcd-certificate-backup-{{ ansible_date_time.epoch }}.tgz
      {{ etcd_conf_dir }}/ca.crt
      {{ etcd_conf_dir }}/ca
      {{ etcd_generated_certs_dir }}
    when: etcd_generated_certs_dir_stat.stat.exists
    delegate_to: "{{ etcd_ca_host }}"
    run_once: true
  - name: Remove existing etcd certificates
    file:
      path: "{{ item }}"
      state: absent
    with_items:
    - "{{ etcd_conf_dir }}/ca.crt"
    - "{{ etcd_conf_dir }}/ca"
    - "{{ etcd_generated_certs_dir }}"
  roles:
  - role: openshift_etcd_server_certificates
    etcd_peers: "{{ groups.oo_etcd_to_config | default([], true) }}"
    etcd_certificates_etcd_hosts: "{{ groups.oo_etcd_to_config | default([], true) }}"
    etcd_certificates_redeploy: true

- name: Redeploy master certificates
  hosts: oo_masters_to_config
  any_errors_fatal: true
  vars:
    openshift_ca_host: "{{ groups.oo_first_master.0 }}"
    openshift_master_count: "{{ openshift.master.master_count | default(groups.oo_masters | length) }}"
  pre_tasks:
  # set_fact task copied from playbooks/common/openshift-master/config.yml
  # so that openshift_master_default_subdomain has a default value of ""
  # (emptry string). openshift_master_default_subdomain must have a default
  # value for openshift_master_facts to set metrics_public_url.
  # TODO: clean this up.
  - set_fact:
      openshift_master_default_subdomain: "{{ lookup('oo_option', 'openshift_master_default_subdomain') | default(None, true) }}"
    when: openshift_master_default_subdomain is not defined
  - stat:
      path: "{{ openshift_generated_configs_dir }}"
    register: openshift_generated_configs_dir_stat
  - name: Backup generated certificate and config directories
    command: >
      tar -czvf /etc/origin/master-node-cert-config-backup-{{ ansible_date_time.epoch }}.tgz
      {{ openshift_generated_configs_dir }}
      {{ openshift.common.config_base }}/master
    when: openshift_generated_configs_dir_stat.stat.exists
    delegate_to: "{{ openshift_ca_host }}"
    run_once: true
  - name: Remove generated certificate directories
    file:
      path: "{{ item }}"
      state: absent
    with_items:
    - "{{ openshift_generated_configs_dir }}"
  - name: Remove generated certificates
    file:
      path: "{{ openshift.common.config_base }}/master/{{ item }}"
      state: absent
    with_items:
    - "{{ hostvars[inventory_hostname] | certificates_to_synchronize(include_keys=false) }}"
    - "etcd.server.crt"
    - "etcd.server.key"
    - "master.etcd-client.crt"
    - "master.etcd-client.key"
    - "master.server.crt"
    - "master.server.key"
    - "openshift-master.crt"
    - "openshift-master.key"
    - "openshift-master.kubeconfig"
  - name: Remove CA certificate
    file:
      path: "{{ openshift.common.config_base }}/master/{{ item }}"
      state: absent
    when: openshift_certificates_redeploy_ca | default(false) | bool
    with_items:
    - "ca.crt"
    - "ca.key"
    - "ca.serial.txt"
    - "ca-bundle.crt"
  roles:
  - role: openshift_master_certificates
    openshift_master_etcd_hosts: "{{ hostvars
                                     | oo_select_keys(groups['oo_etcd_to_config'] | default([]))
                                     | oo_collect('openshift.common.hostname')
                                     | default(none, true) }}"
    openshift_certificates_redeploy: true
  - role: openshift_etcd_client_certificates
    etcd_certificates_redeploy: true
    etcd_ca_host: "{{ groups.oo_etcd_to_config.0 }}"
    etcd_cert_subdir: "openshift-master-{{ openshift.common.hostname }}"
    etcd_cert_config_dir: "{{ openshift.common.config_base }}/master"
    etcd_cert_prefix: "master.etcd-"
    when: groups.oo_etcd_to_config is defined and groups.oo_etcd_to_config

- name: Redeploy node certificates
  hosts: oo_nodes_to_config
  any_errors_fatal: true
  pre_tasks:
  - name: Remove CA certificate
    file:
      path: "{{ item }}"
      state: absent
    with_items:
    - "{{ openshift.common.config_base }}/node/ca.crt"
  roles:
  - role: openshift_node_certificates
    openshift_node_master_api_url: "{{ hostvars[groups.oo_first_master.0].openshift.master.api_url }}"
    openshift_ca_host: "{{ groups.oo_first_master.0 }}"
    openshift_certificates_redeploy: true

- name: Restart etcd
  hosts: oo_etcd_to_config
  tasks:
  - name: restart etcd
    service:
      name: "{{ 'etcd' if not openshift.common.is_containerized | bool else 'etcd_container' }}"
      state: restarted

- name: Stop master services
  hosts: oo_masters_to_config
  vars:
    openshift_master_ha: "{{ groups.oo_masters_to_config | length > 1 }}"
  tasks:
  - name: stop master
    service: name={{ openshift.common.service_type }}-master state=stopped
    when: not openshift_master_ha | bool
  - name: stop master api
    service: name={{ openshift.common.service_type }}-master-api state=stopped
    when: openshift_master_ha | bool and openshift_master_cluster_method == 'native'
  - name: stop master controllers
    service: name={{ openshift.common.service_type }}-master-controllers state=stopped
    when: openshift_master_ha | bool and openshift_master_cluster_method == 'native'

- name: Start master services
  hosts: oo_masters_to_config
  serial: 1
  vars:
    openshift_master_ha: "{{ groups.oo_masters_to_config | length > 1 }}"
  tasks:
  - name: start master
    service: name={{ openshift.common.service_type }}-master state=started
    when: not openshift_master_ha | bool
  - name: start master api
    service: name={{ openshift.common.service_type }}-master-api state=started
    when: openshift_master_ha | bool and openshift_master_cluster_method == 'native'
  - name: start master controllers
    service: name={{ openshift.common.service_type }}-master-controllers state=started
    when: openshift_master_ha | bool and openshift_master_cluster_method == 'native'

- name: Restart masters (pacemaker)
  hosts: oo_first_master
  vars:
    openshift_master_ha: "{{ groups.oo_masters_to_config | length > 1 }}"
  tasks:
  - name: restart master
    command: pcs resource restart master
    when: openshift_master_ha | bool and openshift_master_cluster_method == 'pacemaker'

- name: Restart nodes
  hosts: oo_nodes_to_config
  tasks:
  - name: restart node
    service: name={{ openshift.common.service_type }}-node state=restarted

- name: Copy admin client config(s)
  hosts: oo_first_master
  tasks:
  - name: Create temp directory for kubeconfig
    command: mktemp -d /tmp/openshift-ansible-XXXXXX
    register: mktemp
    changed_when: False

  - name: Copy admin client config(s)
    command: >
      cp {{ openshift.common.config_base }}/master//admin.kubeconfig {{ mktemp.stdout }}/admin.kubeconfig
    changed_when: False

- name: Serially drain all nodes to trigger redeployments
  hosts: oo_nodes_to_config
  serial: 1
  any_errors_fatal: true
  tasks:
  - name: Determine if node is currently scheduleable
    command: >
      {{ openshift.common.client_binary }} --config={{ hostvars[groups.oo_first_master.0].mktemp.stdout }}/admin.kubeconfig
      get node {{ openshift.node.nodename }} -o json
    register: node_output
    when: openshift_certificates_redeploy_ca | default(false) | bool
    delegate_to: "{{ groups.oo_first_master.0 }}"
    changed_when: false

  - set_fact:
      was_schedulable: "{{ 'unschedulable' not in (node_output.stdout | from_json).spec }}"
    when: openshift_certificates_redeploy_ca | default(false) | bool

  - name: Prepare for node draining
    command: >
      {{ openshift.common.client_binary }} adm --config={{ hostvars[groups.oo_first_master.0].mktemp.stdout }}/admin.kubeconfig
      manage-node {{ openshift.node.nodename }}
      --schedulable=false
    delegate_to: "{{ groups.oo_first_master.0 }}"
    when: openshift_certificates_redeploy_ca | default(false) | bool and was_schedulable | bool

  - name: Drain node
    command: >
      {{ openshift.common.client_binary }} adm --config={{ hostvars[groups.oo_first_master.0].mktemp.stdout }}/admin.kubeconfig
      manage-node {{ openshift.node.nodename }}
      {{ openshift.common.evacuate_or_drain }} --force
    delegate_to: "{{ groups.oo_first_master.0 }}"
    when: openshift_certificates_redeploy_ca | default(false) | bool and was_schedulable | bool

  - name: Set node schedulability
    command: >
      {{ openshift.common.client_binary }} adm --config={{ hostvars[groups.oo_first_master.0].mktemp.stdout }}/admin.kubeconfig
      manage-node {{ openshift.node.nodename }} --schedulable=true
    delegate_to: "{{ groups.oo_first_master.0 }}"
    when: openshift_certificates_redeploy_ca | default(false) | bool and was_schedulable | bool

- name: Delete temporary directory
  hosts: oo_first_master
  tasks:
  - name: Delete temp directory
    file:
      name: "{{ mktemp.stdout }}"
      state: absent
    changed_when: False