headscale/hscontrol/api_common.go
Kristoffer Dalby 14e29a7bee create DB struct
This is step one in detaching the Database layer from Headscale (h). The
ultimate goal is to have all function that does database operations in
its own package, and keep the business logic and writing separate.

Signed-off-by: Kristoffer Dalby <kristoffer@tailscale.com>
2023-05-26 12:24:50 +02:00

114 lines
2.4 KiB
Go

package hscontrol
import (
"time"
"github.com/juanfont/headscale/hscontrol/util"
"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.db.toNode(*machine, h.aclPolicy, 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.db.getValidPeers(h.aclPolicy, h.aclRules, machine)
if err != nil {
log.Error().
Caller().
Str("func", "generateMapResponse").
Err(err).
Msg("Cannot fetch peers")
return nil, err
}
profiles := h.db.getMapResponseUserProfiles(*machine, peers)
nodePeers, err := h.db.toNodes(peers, h.aclPolicy, 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", util.TailMapResponseToString(resp))
return &resp, nil
}