---
# Copyright 2022, BBC
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

- name: Create keypair {{ kp['name'] }}
  vars:
    ansible_python_interpreter: "{{ ssh_keypairs_setup_host_python_interpreter }}"
    _ca_file: "{{ ssh_keypairs_dir ~ '/' ~ kp.cert.signed_by }}"
  delegate_to: "{{ ssh_keypairs_setup_host }}"
  block:
    - name: Generate key pair for {{ kp['name'] }}
      community.crypto.openssh_keypair:
        comment: "{{ kp.comment | default(omit) }}"
        passphrase: "{{ kp.passphrase | default(omit) }}"
        regenerate: "{{ kp.regenerate | default(omit) }}"
        size: "{{ kp.size | default(omit) }}"
        type: "{{ kp.type | default(omit) }}"
        path: "{{ kp_dir ~ '/' ~ kp['name'] }}"
        mode: "{{ kp.mode | default(omit) }}"
        backend: cryptography
      register: kp_keys

    - name: Generate an OpenSSH user certificate for {{ kp['name'] }}
      community.crypto.openssh_cert:
        identifier: "{{ kp.cert.identifier | default(omit) }}"
        options: "{{ ssh_keypairs_cert_base_options | union(kp.cert.options | default([])) }}"
        principals: "{{ kp.cert.principals | default(omit) }}"
        regenerate: "{{ kp.cert.regenerate | default('full_idempotence') }}"
        signature_algorithm: "{{ kp.cert.signature_algorithm | default(omit) }}"
        signing_key: "{{ _ca_file }}"
        type: "{{ kp.cert.type | default('user') }}"
        public_key: "{{ kp_keys['filename'] ~ '.pub' }}"
        path: "{{ kp_keys['filename'] ~ '-cert.pub' }}"
        valid_from: "{{ kp.cert.valid_from }}"
        valid_to: "{{ kp.cert.valid_to }}"
      when:
        - kp.cert is defined
      register: kp_cert

    - name: Save certificate info for signed key {{ kp['name'] }}
      ansible.builtin.copy:
        content: "{{ kp_cert['info'] | to_nice_yaml }}"
        dest: "{{ kp_keys['filename'] ~ '-cert.info' }}"
        mode: "0644"
      when: kp_cert is changed