Files
netbird/client/cmd/service.go
2025-06-13 18:45:46 +02:00

104 lines
2.3 KiB
Go

package cmd
import (
"context"
"fmt"
"runtime"
"strings"
"sync"
"github.com/kardianos/service"
"github.com/spf13/cobra"
"google.golang.org/grpc"
"github.com/netbirdio/netbird/client/internal"
"github.com/netbirdio/netbird/client/server"
)
var serviceCmd = &cobra.Command{
Use: "service",
Short: "manages Netbird service",
}
var (
serviceName string
serviceEnvVars []string
)
type program struct {
ctx context.Context
cancel context.CancelFunc
serv *grpc.Server
serverInstance *server.Server
serverInstanceMu sync.Mutex
}
func init() {
serviceCmd.AddCommand(runCmd, startCmd, stopCmd, restartCmd, installCmd, uninstallCmd, reconfigureCmd)
serviceCmd.PersistentFlags().StringSliceVar(&serviceEnvVars, "service-env", nil,
`Sets extra environment variables for the service. `+
`You can specify a comma-separated list of KEY=VALUE pairs. `+
`E.g. --service-env LOG_LEVEL=debug,CUSTOM_VAR=value`,
)
}
func newProgram(ctx context.Context, cancel context.CancelFunc) *program {
ctx = internal.CtxInitState(ctx)
return &program{ctx: ctx, cancel: cancel}
}
func newSVCConfig() (*service.Config, error) {
config := &service.Config{
Name: serviceName,
DisplayName: "Netbird",
Description: "Netbird mesh network client",
Option: make(service.KeyValue),
EnvVars: make(map[string]string),
}
if len(serviceEnvVars) > 0 {
extraEnvs, err := parseServiceEnvVars(serviceEnvVars)
if err != nil {
return nil, fmt.Errorf("parse service environment variables: %w", err)
}
config.EnvVars = extraEnvs
}
if runtime.GOOS == "linux" {
config.EnvVars["SYSTEMD_UNIT"] = serviceName
}
return config, nil
}
func newSVC(prg *program, conf *service.Config) (service.Service, error) {
return service.New(prg, conf)
}
func parseServiceEnvVars(envVars []string) (map[string]string, error) {
envMap := make(map[string]string)
for _, env := range envVars {
if env == "" {
continue
}
parts := strings.SplitN(env, "=", 2)
if len(parts) != 2 {
return nil, fmt.Errorf("invalid environment variable format: %s (expected KEY=VALUE)", env)
}
key := strings.TrimSpace(parts[0])
value := strings.TrimSpace(parts[1])
if key == "" {
return nil, fmt.Errorf("empty environment variable key in: %s", env)
}
envMap[key] = value
}
return envMap, nil
}