- name: Setup homeserver
  hosts: dataserver

  handlers:
    - name: restart sshd
      systemd:
        name: sshd
        state: restarted

  tasks:
    - name: Copy backup user principals file
      copy:
        dest: /etc/ssh/backup_principals
        content: hypervisor

    - name: Copy hyp user SSH CA public key
      copy:
        dest: /etc/ssh/hyp_user.pub
        content: "{{ hyp_user_ca_public_key }}"

    - name: Copy user certificate sshd config
      copy:
        src: "sshd_user_certificates.conf"
        dest: /etc/ssh/sshd_config.d/user_certificates.conf
      notify: restart sshd

    - name: Ensure backup directory exists
      file:
        path: "{{ kingston1tb_mount_point }}/hosts"
        state: directory

    - name: Create backup respositories
      command:
        cmd: "borg init -e none {{ kingston1tb_mount_point }}/hosts/{{ item }}"
        creates: "{{ kingston1tb_mount_point }}/hosts/{{ item }}"
      with_items: "{{ backup_hosts }}"

    - name: Create extra disk moint point
      file:
        path: "{{ kingston1tb_mount_point }}"
        state: directory

    - name: Mount extra disk
      ansible.posix.mount:
        path: "{{ kingston1tb_mount_point }}"
        src: "UUID={{ kingston1tb_uuid }}"
        fstype: ext4
        passno: 1
        state: present

    - name: Generate host key pair
      openssh_keypair:
        path: /etc/ssh/ssh_host_ed25519_key
        type: ed25519
        comment: "{{ ansible_host }}"
      register: host_key

    - name: Check whether host certificate exists
      stat:
        path: /etc/ssh/ssh_host_ed25519_key-cert.pub
      register: cert_stat

    - name: Generate SSH host certificate
      command:
        cmd: "ssh -o ConnectTimeout=3 -o ConnectionAttempts=1 root@atlas.hyp '/root/ssh_ca/ssh_ca.sh host hyp_host \"{{ host_key.public_key }}\" {{ ansible_host }}'"
      register: host_certificate
      delegate_to: localhost
      when: not cert_stat.stat.exists

    - name: Place host certificate
      copy:
        dest: /etc/ssh/ssh_host_ed25519_key-cert.pub
        content: "{{ host_certificate.stdout }}"
        mode: 0644
      when: not cert_stat.stat.exists

    - name: Enable host certificate
      copy:
        dest: /etc/ssh/sshd_config.d/sshd_host_certificate.conf
        content: "HostCertificate /etc/ssh/ssh_host_ed25519_key-cert.pub"

  roles:
    - apt