github.com/adnan-c/fabric_e2e_couchdb@v0.6.1-preview.0.20170228180935-21ce6b23cf91/peer/clilogging/logging.go (about)

     1  /*
     2  Copyright IBM Corp. 2016 All Rights Reserved.
     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 clilogging
    18  
    19  import (
    20  	"fmt"
    21  
    22  	"github.com/hyperledger/fabric/peer/common"
    23  	"github.com/op/go-logging"
    24  	"github.com/spf13/cobra"
    25  )
    26  
    27  const loggingFuncName = "logging"
    28  
    29  var logger = logging.MustGetLogger("loggingCmd")
    30  
    31  // Cmd returns the cobra command for Logging
    32  func Cmd() *cobra.Command {
    33  	loggingCmd.AddCommand(getLevelCmd())
    34  	loggingCmd.AddCommand(setLevelCmd())
    35  
    36  	return loggingCmd
    37  }
    38  
    39  var loggingCmd = &cobra.Command{
    40  	Use: loggingFuncName,
    41  	PersistentPreRunE: func(cmd *cobra.Command, args []string) error {
    42  		// initialize the log level for the "error" module to the value of
    43  		// logging.error in core.yaml. this is necessary to ensure that these
    44  		// logging CLI commands, which execute outside of the peer, can
    45  		// automatically append the stack trace to the error message (if set to
    46  		// debug).
    47  		// note: for code running on the peer, this level is set during peer startup
    48  		// in peer/node/start.go and can be updated dynamically using
    49  		// "peer logging setlevel error <log-level>"
    50  		return common.SetLogLevelFromViper("error")
    51  	},
    52  	Short: fmt.Sprintf("%s specific commands.", loggingFuncName),
    53  	Long:  fmt.Sprintf("%s specific commands.", loggingFuncName),
    54  }