github.com/adnan-c/fabric_e2e_couchdb@v0.6.1-preview.0.20170228180935-21ce6b23cf91/peer/clilogging/common.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  	"github.com/hyperledger/fabric/core/errors"
    21  
    22  	"github.com/op/go-logging"
    23  	"github.com/spf13/cobra"
    24  )
    25  
    26  func checkLoggingCmdParams(cmd *cobra.Command, args []string) error {
    27  	var err error
    28  
    29  	// check that at least one parameter is passed in
    30  	if len(args) == 0 {
    31  		err = errors.ErrorWithCallstack("Logging", "NoParameters", "No parameters provided.")
    32  		return err
    33  	}
    34  
    35  	if cmd.Name() == "setlevel" {
    36  		// check that log level parameter is provided
    37  		if len(args) == 1 {
    38  			err = errors.ErrorWithCallstack("Logging", "NoLevelParameter", "No log level provided.")
    39  		} else {
    40  			// check that log level is valid. if not, err is set
    41  			_, err = logging.LogLevel(args[1])
    42  			if err != nil {
    43  				err = errors.ErrorWithCallstack("Logging", "InvalidLevel", "Invalid log level provided - %s", args[1])
    44  			}
    45  		}
    46  	}
    47  
    48  	return err
    49  }