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---
- name: "Check_certs | Register certs that have already been generated on first etcd node"
find:
paths: "{{ etcd_cert_dir }}"
patterns: "ca.pem,node*.pem,member*.pem,admin*.pem"
get_checksum: true
delegate_to: "{{ groups['etcd'][0] }}"
register: etcdcert_master
run_once: true
- name: "Check_certs | Set default value for 'sync_certs', 'gen_certs' and 'etcd_secret_changed' to false"
set_fact:
sync_certs: false
gen_certs: false
etcd_secret_changed: false
- name: "Check certs | Register ca and etcd admin/member certs on etcd hosts"
stat:
path: "{{ etcd_cert_dir }}/{{ item }}"
get_attributes: no
get_checksum: yes
get_mime: no
register: etcd_member_certs
when: inventory_hostname in groups['etcd']
with_items:
- ca.pem
- member-{{ inventory_hostname }}.pem
- member-{{ inventory_hostname }}-key.pem
- admin-{{ inventory_hostname }}.pem
- admin-{{ inventory_hostname }}-key.pem
- name: "Check certs | Register ca and etcd node certs on kubernetes hosts"
stat:
path: "{{ etcd_cert_dir }}/{{ item }}"
register: etcd_node_certs
when: inventory_hostname in groups['k8s_cluster']
with_items:
- ca.pem
- node-{{ inventory_hostname }}.pem
- node-{{ inventory_hostname }}-key.pem
- name: "Check_certs | Set 'gen_certs' to true if expected certificates are not on the first etcd node(1/2)"
set_fact:
gen_certs: true
when: force_etcd_cert_refresh or not item in etcdcert_master.files|map(attribute='path') | list
run_once: true
with_items: "{{ expected_files }}"
vars:
expected_files: >-
['{{ etcd_cert_dir }}/ca.pem',
{% set etcd_members = groups['etcd'] %}
{% for host in etcd_members %}
'{{ etcd_cert_dir }}/admin-{{ host }}.pem',
'{{ etcd_cert_dir }}/admin-{{ host }}-key.pem',
'{{ etcd_cert_dir }}/member-{{ host }}.pem',
'{{ etcd_cert_dir }}/member-{{ host }}-key.pem',
{% endfor %}
{% set k8s_nodes = groups['kube_control_plane'] %}
{% for host in k8s_nodes %}
'{{ etcd_cert_dir }}/node-{{ host }}.pem',
'{{ etcd_cert_dir }}/node-{{ host }}-key.pem'
{% if not loop.last %}{{','}}{% endif %}
{% endfor %}]
- name: "Check_certs | Set 'gen_certs' to true if expected certificates are not on the first etcd node(2/2)"
set_fact:
gen_certs: true
run_once: true
with_items: "{{ expected_files }}"
vars:
expected_files: >-
['{{ etcd_cert_dir }}/ca.pem',
{% set etcd_members = groups['etcd'] %}
{% for host in etcd_members %}
'{{ etcd_cert_dir }}/admin-{{ host }}.pem',
'{{ etcd_cert_dir }}/admin-{{ host }}-key.pem',
'{{ etcd_cert_dir }}/member-{{ host }}.pem',
'{{ etcd_cert_dir }}/member-{{ host }}-key.pem',
{% endfor %}
{% set k8s_nodes = groups['k8s_cluster']|unique|sort %}
{% for host in k8s_nodes %}
'{{ etcd_cert_dir }}/node-{{ host }}.pem',
'{{ etcd_cert_dir }}/node-{{ host }}-key.pem'
{% if not loop.last %}{{','}}{% endif %}
{% endfor %}]
when:
- kube_network_plugin in ["calico", "flannel", "canal", "cilium"] or cilium_deploy_additionally | default(false) | bool
- kube_network_plugin != "calico" or calico_datastore == "etcd"
- force_etcd_cert_refresh or not item in etcdcert_master.files|map(attribute='path') | list
- name: "Check_certs | Set 'gen_master_certs' object to track whether member and admin certs exist on first etcd node"
set_fact:
gen_master_certs: |-
{
{% set etcd_members = groups['etcd'] -%}
{% set existing_certs = etcdcert_master.files|map(attribute='path')|list|sort %}
{% for host in etcd_members -%}
{% set member_cert = "%s/member-%s.pem"|format(etcd_cert_dir, host) %}
{% set member_key = "%s/member-%s-key.pem"|format(etcd_cert_dir, host) %}
{% set admin_cert = "%s/admin-%s.pem"|format(etcd_cert_dir, host) %}
{% set admin_key = "%s/admin-%s-key.pem"|format(etcd_cert_dir, host) %}
{% if force_etcd_cert_refresh -%}
"{{ host }}": True,
{% elif member_cert in existing_certs and member_key in existing_certs and admin_cert in existing_certs and admin_key in existing_certs -%}
"{{ host }}": False,
{% else -%}
"{{ host }}": True,
{% endif -%}
{% endfor %}
}
run_once: true
- name: "Check_certs | Set 'gen_node_certs' object to track whether node certs exist on first etcd node"
set_fact:
gen_node_certs: |-
{
{% set k8s_nodes = groups['k8s_cluster'] -%}
{% set existing_certs = etcdcert_master.files|map(attribute='path')|list|sort %}
{% for host in k8s_nodes -%}
{% set host_cert = "%s/node-%s.pem"|format(etcd_cert_dir, host) %}
{% set host_key = "%s/node-%s-key.pem"|format(etcd_cert_dir, host) %}
{% if force_etcd_cert_refresh -%}
"{{ host }}": True,
{% elif host_cert in existing_certs and host_key in existing_certs -%}
"{{ host }}": False,
{% else -%}
"{{ host }}": True,
{% endif -%}
{% endfor %}
}
run_once: true
- name: "Check_certs | Set 'etcd_member_requires_sync' to true if ca or member/admin cert and key don't exist on etcd member or checksum doesn't match"
set_fact:
etcd_member_requires_sync: true
when:
- inventory_hostname in groups['etcd']
- (not etcd_member_certs.results[0].stat.exists|default(false)) or
(not etcd_member_certs.results[1].stat.exists|default(false)) or
(not etcd_member_certs.results[2].stat.exists|default(false)) or
(not etcd_member_certs.results[3].stat.exists|default(false)) or
(not etcd_member_certs.results[4].stat.exists|default(false)) or
(etcd_member_certs.results[0].stat.checksum|default('') != etcdcert_master.files|selectattr("path", "equalto", etcd_member_certs.results[0].stat.path)|map(attribute="checksum")|first|default('')) or
(etcd_member_certs.results[1].stat.checksum|default('') != etcdcert_master.files|selectattr("path", "equalto", etcd_member_certs.results[1].stat.path)|map(attribute="checksum")|first|default('')) or
(etcd_member_certs.results[2].stat.checksum|default('') != etcdcert_master.files|selectattr("path", "equalto", etcd_member_certs.results[2].stat.path)|map(attribute="checksum")|first|default('')) or
(etcd_member_certs.results[3].stat.checksum|default('') != etcdcert_master.files|selectattr("path", "equalto", etcd_member_certs.results[3].stat.path)|map(attribute="checksum")|first|default('')) or
(etcd_member_certs.results[4].stat.checksum|default('') != etcdcert_master.files|selectattr("path", "equalto", etcd_member_certs.results[4].stat.path)|map(attribute="checksum")|first|default(''))
- name: "Check_certs | Set 'kubernetes_host_requires_sync' to true if ca or node cert and key don't exist on kubernetes host or checksum doesn't match"
set_fact:
kubernetes_host_requires_sync: true
when:
- inventory_hostname in groups['k8s_cluster'] and
inventory_hostname not in groups['etcd']
- (not etcd_node_certs.results[0].stat.exists|default(false)) or
(not etcd_node_certs.results[1].stat.exists|default(false)) or
(not etcd_node_certs.results[2].stat.exists|default(false)) or
(etcd_node_certs.results[0].stat.checksum|default('') != etcdcert_master.files|selectattr("path", "equalto", etcd_node_certs.results[0].stat.path)|map(attribute="checksum")|first|default('')) or
(etcd_node_certs.results[1].stat.checksum|default('') != etcdcert_master.files|selectattr("path", "equalto", etcd_node_certs.results[1].stat.path)|map(attribute="checksum")|first|default('')) or
(etcd_node_certs.results[2].stat.checksum|default('') != etcdcert_master.files|selectattr("path", "equalto", etcd_node_certs.results[2].stat.path)|map(attribute="checksum")|first|default(''))
- name: "Check_certs | Set 'sync_certs' to true"
set_fact:
sync_certs: true
when:
- etcd_member_requires_sync|default(false) or
kubernetes_host_requires_sync|default(false) or
(inventory_hostname in gen_master_certs and gen_master_certs[inventory_hostname]) or
(inventory_hostname in gen_node_certs and gen_node_certs[inventory_hostname])
|
