headplane/agent/tsnet/server.go
2024-12-30 13:48:49 +05:30

62 lines
1.2 KiB
Go

package tsnet
import (
"context"
"fmt"
"log"
"os"
"tailscale.com/client/tailscale"
"tailscale.com/tsnet"
)
// Wrapper type so we can add methods to the server.
type TSAgent struct {
*tsnet.Server
Lc *tailscale.LocalClient
ID string
Debug bool
}
// Creates a new tsnet agent and returns an instance of the server.
func NewAgent(hostname, controlURL, authKey string, debug bool) *TSAgent {
s := &tsnet.Server{
Hostname: hostname,
ControlURL: controlURL,
AuthKey: authKey,
Logf: func(string, ...interface{}) {}, // Disabled by default
}
if debug {
s.Logf = log.New(
os.Stderr,
fmt.Sprintf("[DBG:%s] ", hostname),
log.LstdFlags,
).Printf
}
return &TSAgent{s, nil, "", debug}
}
// Starts the tsnet agent and sets the node ID.
func (s *TSAgent) StartAndFetchID() {
// Waits until the agent is up and running.
status, err := s.Up(context.Background())
if err != nil {
log.Fatalf("Failed to start agent: %v", err)
}
s.Lc, err = s.LocalClient()
if err != nil {
log.Fatalf("Failed to create local client: %v", err)
}
log.Printf("Agent running with ID: %s", status.Self.PublicKey)
s.ID = string(status.Self.ID)
}
// Shuts down the tsnet agent.
func (s *TSAgent) Shutdown() {
s.Close()
}