github.com/1aal/kubeblocks@v0.0.0-20231107070852-e1c03e598921/cmd/reloader/main.go (about)

     1  /*
     2  Copyright (C) 2022-2023 ApeCloud Co., Ltd
     3  
     4  This file is part of KubeBlocks project
     5  
     6  This program is free software: you can redistribute it and/or modify
     7  it under the terms of the GNU Affero General Public License as published by
     8  the Free Software Foundation, either version 3 of the License, or
     9  (at your option) any later version.
    10  
    11  This program is distributed in the hope that it will be useful
    12  but WITHOUT ANY WARRANTY; without even the implied warranty of
    13  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    14  GNU Affero General Public License for more details.
    15  
    16  You should have received a copy of the GNU Affero General Public License
    17  along with this program.  If not, see <http://www.gnu.org/licenses/>.
    18  */
    19  
    20  package main
    21  
    22  import (
    23  	"context"
    24  	"fmt"
    25  	"os"
    26  	"os/signal"
    27  	"path/filepath"
    28  	"syscall"
    29  
    30  	"github.com/pkg/errors"
    31  
    32  	"github.com/1aal/kubeblocks/cmd/reloader/app"
    33  	viper "github.com/1aal/kubeblocks/pkg/viperx"
    34  )
    35  
    36  // Reload configuration
    37  // TODO(zt) support unix signal
    38  // TODO(zt) support shell
    39  
    40  func main() {
    41  	ctx, cancel := context.WithCancel(context.Background())
    42  	sig := make(chan os.Signal, 1)
    43  	signal.Notify(sig, syscall.SIGINT, syscall.SIGTERM)
    44  	go func() {
    45  		<-sig
    46  		cancel()
    47  	}()
    48  
    49  	viper.AutomaticEnv()
    50  	cmd := app.NewConfigManagerCommand(ctx, filepath.Base(os.Args[0]))
    51  	if err := cmd.Execute(); err != nil && errors.Cause(err) != context.Canceled {
    52  		fmt.Println(err)
    53  		os.Exit(-1)
    54  	}
    55  }