---
- name: install python-cryptoraphy
  apt:
    name: "{{ python_basename }}-cryptography"
    state: present

- name: create base directory
  file:
    path: /etc/ssl/standalone-kubelet
    state: directory


- name: create CA directory
  file:
    path: /etc/ssl/standalone-kubelet/ca
    state: directory
    mode: 0700

- name: create CA private key
  openssl_privatekey:
    path: /etc/ssl/standalone-kubelet/ca/key.pem
    type: RSA
    size: 4096
    mode: 0600

- name: create signing request for CA certificate
  openssl_csr:
    path: /etc/ssl/standalone-kubelet/ca/csr.pem
    privatekey_path: /etc/ssl/standalone-kubelet/ca/key.pem
    CN: "CA for standalone-kubelet running on {{ inventory_hostname }}"
    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/ssl/standalone-kubelet/ca-crt.pem
    csr_path: /etc/ssl/standalone-kubelet/ca/csr.pem
    privatekey_path: /etc/ssl/standalone-kubelet/ca/key.pem
    provider: selfsigned
    selfsigned_digest: sha256
    selfsigned_not_after: "+18250d" ## 50 years
    selfsigned_create_subject_key_identifier: always_create
  notify: restart kubelet


- name: create server cert/key directory
  file:
    path: /etc/ssl/standalone-kubelet/server
    state: directory
    mode: 0700

- name: create server private key
  openssl_privatekey:
    path: /etc/ssl/standalone-kubelet/server/key.pem
    type: RSA
    size: 4096
    mode: 0400
  notify: restart kubelet

- name: create signing request for server certificate
  openssl_csr:
    path: /etc/ssl/standalone-kubelet/server/csr.pem
    privatekey_path: /etc/ssl/standalone-kubelet/server/key.pem
    CN: "{{ kubernetes_standalone_address | default('127.0.0.1') }}"
    subject_alt_name:
    - "IP:{{ kubernetes_standalone_address | default('127.0.0.1') }}"
    key_usage:
    - digitalSignature
    key_usage_critical: yes
    extended_key_usage:
    - serverAuth
    extended_key_usage_critical: yes
    basic_constraints:
    - 'CA:FALSE'
    basic_constraints_critical: yes

- name: generate server certificate
  openssl_certificate:
    path: /etc/ssl/standalone-kubelet/server/crt.pem
    csr_path: /etc/ssl/standalone-kubelet/server/csr.pem
    provider: ownca
    ownca_path: /etc/ssl/standalone-kubelet/ca-crt.pem
    ownca_privatekey_path: /etc/ssl/standalone-kubelet/ca/key.pem
    ownca_digest: sha256
    ownca_not_after: "+18250d" ## 50 years
  notify: restart kubelet


- name: create client cert/key directory
  file:
    path: /etc/ssl/standalone-kubelet/client
    state: directory
    mode: 0700

- name: create private key for client certificate
  openssl_privatekey:
    path: /etc/ssl/standalone-kubelet/client/key.pem
    type: RSA
    size: 4096
    mode: 0400

- name: create signing request for client certificate
  openssl_csr:
    path: /etc/ssl/standalone-kubelet/client/csr.pem
    privatekey_path: /etc/ssl/standalone-kubelet/client/key.pem
    CN: "{{ inventory_hostname }}"
    key_usage:
    - digitalSignature
    key_usage_critical: yes
    extended_key_usage:
    - clientAuth
    extended_key_usage_critical: yes
    basic_constraints:
    - 'CA:FALSE'
    basic_constraints_critical: yes

- name: create client certificate
  openssl_certificate:
    path: /etc/ssl/standalone-kubelet/client/crt.pem
    csr_path: /etc/ssl/standalone-kubelet/client/csr.pem
    provider: ownca
    ownca_path: /etc/ssl/standalone-kubelet/ca-crt.pem
    ownca_privatekey_path: /etc/ssl/standalone-kubelet/ca/key.pem
    ownca_digest: sha256
    ownca_not_after: "+18250d" ## 50 years