github.com/olivere/camlistore@v0.0.0-20140121221811-1b7ac2da0199/cmd/camtool/dumpconfig.go (about)

     1  /*
     2  Copyright 2013 Google Inc.
     3  
     4  Licensed under the Apache License, Version 2.0 (the "License");
     5  you may not use this file except in compliance with the License.
     6  You may obtain a copy of the License at
     7  
     8       http://www.apache.org/licenses/LICENSE-2.0
     9  
    10  Unless required by applicable law or agreed to in writing, software
    11  distributed under the License is distributed on an "AS IS" BASIS,
    12  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    13  See the License for the specific language governing permissions and
    14  limitations under the License.
    15  */
    16  
    17  package main
    18  
    19  import (
    20  	"encoding/json"
    21  	"errors"
    22  	"flag"
    23  	"os"
    24  
    25  	"camlistore.org/pkg/cmdmain"
    26  	"camlistore.org/pkg/osutil"
    27  	"camlistore.org/pkg/serverconfig"
    28  )
    29  
    30  type dumpconfigCmd struct{}
    31  
    32  func init() {
    33  	cmdmain.RegisterCommand("dumpconfig", func(flags *flag.FlagSet) cmdmain.CommandRunner {
    34  		return new(dumpconfigCmd)
    35  	})
    36  }
    37  
    38  func (c *dumpconfigCmd) Describe() string {
    39  	return "Dump the low-level server config from its simple config."
    40  }
    41  
    42  func (c *dumpconfigCmd) Usage() {
    43  }
    44  
    45  func (c *dumpconfigCmd) RunCommand(args []string) error {
    46  	var file string
    47  	switch {
    48  	case len(args) == 0:
    49  		file = osutil.UserServerConfigPath()
    50  	case len(args) == 1:
    51  		file = args[0]
    52  	default:
    53  		return errors.New("More than 1 argument not allowed")
    54  	}
    55  	cfg, err := serverconfig.Load(file)
    56  	if err != nil {
    57  		return err
    58  	}
    59  	cfg.Obj["handlerConfig"] = true
    60  	ll, err := json.MarshalIndent(cfg.Obj, "", "  ")
    61  	if err != nil {
    62  		return err
    63  	}
    64  	_, err = os.Stdout.Write(ll)
    65  	return err
    66  }