GoDoxy/agent/cmd/main.go
2025-02-11 01:10:09 +08:00

117 lines
3.3 KiB
Go

package main
import (
"crypto/tls"
"encoding/base64"
"encoding/pem"
"fmt"
"net"
"os"
"strings"
"github.com/rs/zerolog"
"github.com/yusing/go-proxy/agent/pkg/certs"
"github.com/yusing/go-proxy/agent/pkg/env"
"github.com/yusing/go-proxy/agent/pkg/server"
E "github.com/yusing/go-proxy/internal/error"
"github.com/yusing/go-proxy/internal/logging"
"github.com/yusing/go-proxy/internal/logging/memlogger"
"github.com/yusing/go-proxy/internal/task"
"github.com/yusing/go-proxy/internal/utils"
"github.com/yusing/go-proxy/pkg"
"gopkg.in/yaml.v3"
)
func init() {
logging.InitLogger(zerolog.MultiLevelWriter(os.Stderr, memlogger.GetMemLogger()))
}
func printNewClientHelp(ca *tls.Certificate) {
crt, key, err := certs.NewClientCert(ca)
if err != nil {
E.LogFatal("init SSL error", err)
}
caPEM := pem.EncodeToMemory(&pem.Block{Type: "CERTIFICATE", Bytes: ca.Certificate[0]})
ip := machineIP()
host := fmt.Sprintf("%s:%d", ip, env.AgentPort)
cfgYAML, _ := yaml.Marshal(map[string]any{
"providers": map[string]any{
"agents": host,
},
})
certsData, err := certs.ZipCert(caPEM, crt, key)
if err != nil {
E.LogFatal("marshal certs error", err)
}
fmt.Printf("On main server, run:\nnew-agent '%s' '%s'\n", host, base64.StdEncoding.EncodeToString(certsData))
fmt.Printf("Then add this host (%s) to main server config like below:\n", host)
fmt.Println(string(cfgYAML))
}
func machineIP() string {
interfaces, err := net.Interfaces()
if err != nil {
return "<machine-ip>"
}
for _, in := range interfaces {
addrs, err := in.Addrs()
if err != nil {
continue
}
if !strings.HasPrefix(in.Name, "eth") && !strings.HasPrefix(in.Name, "en") {
continue
}
for _, addr := range addrs {
if ipnet, ok := addr.(*net.IPNet); ok && !ipnet.IP.IsLoopback() {
if ipnet.IP.To4() != nil {
return ipnet.IP.String()
}
}
}
}
return "<machine-ip>"
}
func main() {
args := pkg.GetArgs(agentCommandValidator{})
ca, srv, isNew, err := certs.InitCerts()
if err != nil {
E.LogFatal("init CA error", err)
}
if args.Command == CommandNewClient {
printNewClientHelp(ca)
return
}
logging.Info().Msgf("GoDoxy Agent version %s", pkg.GetVersion())
logging.Info().Msgf("Agent name: %s", env.AgentName)
logging.Info().Msgf("Agent port: %d", env.AgentPort)
logging.Info().Msg("\nTips:")
logging.Info().Msg("1. To change the agent name, you can set the AGENT_NAME environment variable.")
logging.Info().Msg("2. To change the agent port, you can set the AGENT_PORT environment variable.")
logging.Info().Msg("3. To skip the version check, you can set the AGENT_SKIP_VERSION_CHECK environment variable.")
logging.Info().Msgf("4. Create shell alias on main server: `alias new-agent='docker run --rm -v ./certs:/app/certs ghcr.io/yusing/godoxy /app/run new-agent'`")
logging.Info().Msgf("5. Create shell alias on agent server: `alias new-client='docker compose exec agent /app/run new-client'`\n")
if isNew {
logging.Info().Msg("Initialization complete.")
logging.Info().Msg("New client cert created")
printNewClientHelp(ca)
logging.Info().Msg("Exiting... Clear the screen and start agent again")
logging.Info().Msg("To create more client certs, run `godoxy-agent new-client`")
return
}
server.StartAgentServer(task.RootTask("agent", false), server.Options{
CACert: ca,
ServerCert: srv,
Port: env.AgentPort,
})
utils.WaitExit(3)
}