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forked from extern/smegmesh
smegmesh/pkg/ctrlserver/ctrltypes.go
Tim Beatham 3222d7e388 main - adding WireGuard stats to JSON objects
- Adding WireGuard stats through to IPC calls so that they can be used
by the API
2023-12-11 09:55:25 +00:00

117 lines
2.8 KiB
Go

package ctrlserver
import (
"net"
"time"
"github.com/tim-beatham/wgmesh/pkg/conf"
"github.com/tim-beatham/wgmesh/pkg/conn"
"github.com/tim-beatham/wgmesh/pkg/lib"
"github.com/tim-beatham/wgmesh/pkg/mesh"
"github.com/tim-beatham/wgmesh/pkg/query"
"golang.zx2c4.com/wireguard/wgctrl"
"golang.zx2c4.com/wireguard/wgctrl/wgtypes"
)
type MeshRoute struct {
Destination string
Path []string
}
// Represents the WireGuard configuration attached to the node
type WireGuardStats struct {
AllowedIPs []string
TransmitBytes int64
ReceivedBytes int64
PersistentKeepAliveInterval time.Duration
}
// Represents a WireGuard MeshNode
type MeshNode struct {
HostEndpoint string
WgEndpoint string
PublicKey string
WgHost string
Timestamp int64
Routes []MeshRoute
Description string
Alias string
Services map[string]string
Stats WireGuardStats
}
// Represents a WireGuard Mesh
type Mesh struct {
SharedKey *wgtypes.Key
Nodes map[string]MeshNode
}
type CtrlServer interface {
GetConfiguration() *conf.DaemonConfiguration
GetClient() *wgctrl.Client
GetQuerier() query.Querier
GetMeshManager() mesh.MeshManager
Close() error
GetConnectionManager() conn.ConnectionManager
}
// Represents a ctrlserver to be used in WireGuard
type MeshCtrlServer struct {
Client *wgctrl.Client
MeshManager mesh.MeshManager
ConnectionManager conn.ConnectionManager
ConnectionServer *conn.ConnectionServer
Conf *conf.DaemonConfiguration
Querier query.Querier
}
// NewCtrlNode create an instance of a ctrl node to send over an
// IPC call
func NewCtrlNode(provider mesh.MeshProvider, node mesh.MeshNode) *MeshNode {
pubKey, _ := node.GetPublicKey()
ctrlNode := MeshNode{
HostEndpoint: node.GetHostEndpoint(),
WgEndpoint: node.GetWgEndpoint(),
PublicKey: pubKey.String(),
WgHost: node.GetWgHost().String(),
Timestamp: node.GetTimeStamp(),
Routes: lib.Map(node.GetRoutes(), func(r mesh.Route) MeshRoute {
return MeshRoute{
Destination: r.GetDestination().String(),
Path: r.GetPath(),
}
}),
Description: node.GetDescription(),
Alias: node.GetAlias(),
Services: node.GetServices(),
}
device, err := provider.GetDevice()
if err != nil {
return &ctrlNode
}
peers := lib.Filter(device.Peers, func(p wgtypes.Peer) bool {
return p.PublicKey.String() == pubKey.String()
})
if len(peers) > 0 {
peer := peers[0]
stats := WireGuardStats{
AllowedIPs: lib.Map(peer.AllowedIPs, func(i net.IPNet) string {
return i.String()
}),
TransmitBytes: peer.TransmitBytes,
ReceivedBytes: peer.ReceiveBytes,
PersistentKeepAliveInterval: peer.PersistentKeepaliveInterval,
}
ctrlNode.Stats = stats
}
return &ctrlNode
}