package headscale import ( "time" "github.com/rs/zerolog/log" "tailscale.com/tailcfg" ) func (h *Headscale) generateMapResponse( mapRequest tailcfg.MapRequest, machine *Machine, ) (*tailcfg.MapResponse, error) { log.Trace(). Str("func", "generateMapResponse"). Str("machine", mapRequest.Hostinfo.Hostname). Msg("Creating Map response") node, err := h.toNode(*machine, h.cfg.BaseDomain, h.cfg.DNSConfig) if err != nil { log.Error(). Caller(). Str("func", "generateMapResponse"). Err(err). Msg("Cannot convert to node") return nil, err } peers, err := h.getValidPeers(machine) if err != nil { log.Error(). Caller(). Str("func", "generateMapResponse"). Err(err). Msg("Cannot fetch peers") return nil, err } profiles := h.getMapResponseUserProfiles(*machine, peers) nodePeers, err := h.toNodes(peers, h.cfg.BaseDomain, h.cfg.DNSConfig) if err != nil { log.Error(). Caller(). Str("func", "generateMapResponse"). Err(err). Msg("Failed to convert peers to Tailscale nodes") return nil, err } dnsConfig := getMapResponseDNSConfig( h.cfg.DNSConfig, h.cfg.BaseDomain, *machine, peers, ) now := time.Now() resp := tailcfg.MapResponse{ KeepAlive: false, Node: node, // TODO: Only send if updated DERPMap: h.DERPMap, // TODO: Only send if updated Peers: nodePeers, // TODO(kradalby): Implement: // https://github.com/tailscale/tailscale/blob/main/tailcfg/tailcfg.go#L1351-L1374 // PeersChanged // PeersRemoved // PeersChangedPatch // PeerSeenChange // OnlineChange // TODO: Only send if updated DNSConfig: dnsConfig, // TODO: Only send if updated Domain: h.cfg.BaseDomain, // Do not instruct clients to collect services, we do not // support or do anything with them CollectServices: "false", // TODO: Only send if updated PacketFilter: h.aclRules, UserProfiles: profiles, // TODO: Only send if updated SSHPolicy: h.sshPolicy, ControlTime: &now, Debug: &tailcfg.Debug{ DisableLogTail: !h.cfg.LogTail.Enabled, RandomizeClientPort: h.cfg.RandomizeClientPort, }, } log.Trace(). Str("func", "generateMapResponse"). Str("machine", mapRequest.Hostinfo.Hostname). // Interface("payload", resp). Msgf("Generated map response: %s", tailMapResponseToString(resp)) return &resp, nil }