dotfiles/modules/nixos/nas/opencloud/config/default.nix

{
  flake,
  pkgs,
  ...
}:
let
  inherit (flake.config.people) user0;
  serviceCfg = {
    name = "opencloud";
  };
in
{
  opencloudVM =
    {
      user,
      ip,
      mac,
      userMac,
      ssh,
      host,
    }:
    {
      microvm.vms = {
        "${serviceCfg.name}-${user}" = {
          autostart = true;
          restartIfChanged = true;
          config = {
            system.stateVersion = "24.05";
            time.timeZone = "America/Winnipeg";
            users.users.root.openssh.authorizedKeys.keys = flake.config.people.users.${user0}.sshKeys;
            services = {
              opencloud = {
                enable = true;
                url = "https://${host}";
                port = 9200;
                address = "0.0.0.0";
                stateDir = "/var/lib/${serviceCfg.name}";
                environmentFile = "/run/secrets/${user}-env";
              };
              openssh = {
                enable = true;
                settings = {
                  PasswordAuthentication = false;
                  PermitRootLogin = "prohibit-password";
                };
              };
            };
            networking.firewall.allowedTCPPorts = [
              22
              587
              9200
            ];
            systemd = {
              services = {
                systemd-networkd.wantedBy = [ "multi-user.target" ];
                opencloud = {
                  path = [ pkgs.inotify-tools ];
                };
                opencloud-fix-permissions = {
                  description = "Fix OpenCloud storage permissions";
                  after = [ "opencloud.service" ];
                  serviceConfig = {
                    Type = "oneshot";
                    ExecStart = pkgs.writeShellScript "fix-perms" ''
                      echo "Starting permission fix..."
                      OPENCLOUD_UID=$(id -u opencloud)
                      echo "OpenCloud UID: $OPENCLOUD_UID"
                      find /var/lib/opencloud/storage/users -type f ! -uid "$OPENCLOUD_UID" 2>/dev/null | while read -r file; do
                        echo "Fixing file: $file"
                        chown opencloud:opencloud "$file" 2>/dev/null || true
                      done
                      find /var/lib/opencloud/storage/users -type d ! -uid "$OPENCLOUD_UID" 2>/dev/null | while read -r dir; do
                        echo "Fixing dir: $dir"
                        chown opencloud:opencloud "$dir" 2>/dev/null || true
                      done
                      echo "Permission fix complete"
                    '';
                    User = "root";
                  };
                };
              };
              timers.opencloud-fix-permissions = {
                description = "Periodically fix OpenCloud storage permissions";
                wantedBy = [ "timers.target" ];
                timerConfig = {
                  OnBootSec = "30s";
                  OnUnitActiveSec = "2min";
                  Unit = "opencloud-fix-permissions.service";
                };
              };
              network = {
                enable = true;
                networks."20-lan" = {
                  matchConfig.Name = "enp0s6";
                  addresses = [
                    { Address = "${ip}/24"; }
                  ];
                  routes = [
                    {
                      Destination = "0.0.0.0/0";
                      Gateway = "192.168.50.1";
                    }
                  ];
                  dns = [
                    "1.1.1.1"
                    "8.8.8.8"
                  ];
                };
              };
              tmpfiles.rules = [
                "d /var/lib/${serviceCfg.name} 0755 ${serviceCfg.name} ${serviceCfg.name} -"
                "z /etc/opencloud 0700 ${serviceCfg.name} ${serviceCfg.name} -"

              ];
            };
            microvm = {
              vcpu = 1;
              mem = 512;
              hypervisor = "qemu";
              interfaces = [
                {
                  type = "tap";
                  id = "vm-oc-${user}";
                  mac = mac;
                }
                {
                  type = "user";
                  id = "vmuser-cloud";
                  mac = userMac;
                }
              ];
              forwardPorts = [
                {
                  from = "host";
                  host.port = ssh;
                  guest.port = 22;
                }
              ];
              shares = [
                {
                  mountPoint = "/nix/.ro-store";
                  proto = "virtiofs";
                  source = "/nix/store";
                  tag = "read_only_nix_store";
                }
                {
                  mountPoint = "/var/lib/${serviceCfg.name}";
                  proto = "virtiofs";
                  source = "/mnt/storage/users/${user}/guests/${serviceCfg.name}/data";
                  tag = "${serviceCfg.name}_${user}_data";
                }
                {
                  mountPoint = "/etc/${serviceCfg.name}";
                  proto = "virtiofs";
                  source = "/mnt/storage/users/${user}/guests/${serviceCfg.name}/config";
                  tag = "${serviceCfg.name}_${user}_config";
                }
                {
                  mountPoint = "/run/secrets";
                  proto = "virtiofs";
                  source = "/run/secrets/${serviceCfg.name}";
                  tag = "host_secrets";
                }
              ];
            };
            environment.systemPackages = builtins.attrValues {
              inherit (pkgs)
                inotify-tools
                opencloud
                ;
            };
          };
        };
      };
      systemd.tmpfiles.rules = [
        "d /mnt/storage/users/${user}/guests/${serviceCfg.name} 0751 microvm wheel - -"
        "d /mnt/storage/users/${user}/guests/${serviceCfg.name}/config 0751 microvm wheel - -"
        "d /mnt/storage/users/${user}/guests/${serviceCfg.name}/data 0751 microvm wheel - -"
      ];
      sops.secrets = {
        "${serviceCfg.name}/${user}-env" = {
          owner = "root";
          mode = "0600";
        };
      };
    };
}