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---
- name: create CA directory
file:
path: /etc/kubernetes/addons/node-feature-discovery/ca
state: directory
owner: root
group: root
mode: 0700
- name: create CA private key
openssl_privatekey:
path: /etc/kubernetes/addons/node-feature-discovery/ca/key.pem
type: RSA
size: 4096
owner: root
group: root
mode: 0600
- name: create signing request for CA certificate
openssl_csr:
path: /etc/kubernetes/addons/node-feature-discovery/ca/csr.pem
privatekey_path: /etc/kubernetes/addons/node-feature-discovery/ca/key.pem
CN: "CA for kubernetes cluster addon node-feature discovery"
useCommonNameForSAN: no
key_usage:
- cRLSign
- keyCertSign
key_usage_critical: yes
basic_constraints:
- 'CA:TRUE'
- 'pathlen:0'
basic_constraints_critical: yes
- name: create self-signed CA certificate
openssl_certificate:
path: /etc/kubernetes/addons/node-feature-discovery/ca/crt.pem
csr_path: /etc/kubernetes/addons/node-feature-discovery/ca/csr.pem
privatekey_path: /etc/kubernetes/addons/node-feature-discovery/ca/key.pem
provider: selfsigned
selfsigned_digest: sha256
selfsigned_not_after: "+18250d" ## 50 years
selfsigned_create_subject_key_identifier: always_create
- name: slurp CA certificate for worker to use
slurp:
src: /etc/kubernetes/addons/node-feature-discovery/ca/crt.pem
register: node_feature_discovery_ca_certificate
- name: create private key for master certificate
openssl_privatekey:
path: /etc/kubernetes/addons/node-feature-discovery/ca/master.key
type: RSA
size: 4096
owner: root
group: root
mode: 0600
- name: create signing request for master certificate
openssl_csr:
path: /etc/kubernetes/addons/node-feature-discovery/ca/master.csr
privatekey_path: /etc/kubernetes/addons/node-feature-discovery/ca/master.key
CN: nfd-master
subject_alt_name:
- "DNS:nfd-master"
- "DNS:nfd-master.node-feature-discovery.svc.{{ kubernetes.dns_domain | default('cluster.local') }}"
- "DNS:localhost"
key_usage:
- digitalSignature
key_usage_critical: yes
extended_key_usage:
- serverAuth
- clientAuth ## this cert is also used for health checks
extended_key_usage_critical: yes
basic_constraints:
- 'CA:FALSE'
basic_constraints_critical: yes
- name: check if master certificate exists
stat:
path: /etc/kubernetes/addons/node-feature-discovery/ca/master.crt
register: node_feature_discovery_master_certificate_stat
- name: check master certificate validity
when: node_feature_discovery_master_certificate_stat.stat.exists
openssl_certificate_info:
path: /etc/kubernetes/addons/node-feature-discovery/ca/master.crt
valid_at:
ten_years: '+3650d'
register: node_feature_discovery_master_certificate_info
- name: create master certificate
openssl_certificate:
path: /etc/kubernetes/addons/node-feature-discovery/ca/master.crt
csr_path: /etc/kubernetes/addons/node-feature-discovery/ca/master.csr
provider: ownca
ownca_path: /etc/kubernetes/addons/node-feature-discovery/ca/crt.pem
ownca_privatekey_path: /etc/kubernetes/addons/node-feature-discovery/ca/key.pem
ownca_digest: sha256
ownca_not_after: "+18250d" ## 50 years
force: "{{ node_feature_discovery_master_certificate_stat.stat.exists and (not node_feature_discovery_master_certificate_info.valid_at.ten_years) }}"
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