go.etcd.io/etcd@v3.3.27+incompatible/etcdctl/ctlv2/command/error.go (about)

     1  // Copyright 2015 The etcd Authors
     2  //
     3  // Licensed under the Apache License, Version 2.0 (the "License");
     4  // you may not use this file except in compliance with the License.
     5  // You may obtain a copy of the License at
     6  //
     7  //     http://www.apache.org/licenses/LICENSE-2.0
     8  //
     9  // Unless required by applicable law or agreed to in writing, software
    10  // distributed under the License is distributed on an "AS IS" BASIS,
    11  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    12  // See the License for the specific language governing permissions and
    13  // limitations under the License.
    14  
    15  package command
    16  
    17  import (
    18  	"encoding/json"
    19  	"fmt"
    20  	"os"
    21  
    22  	"github.com/coreos/etcd/client"
    23  	"github.com/urfave/cli"
    24  )
    25  
    26  const (
    27  	ExitSuccess = iota
    28  	ExitBadArgs
    29  	ExitBadConnection
    30  	ExitBadAuth
    31  	ExitServerError
    32  	ExitClusterNotHealthy
    33  )
    34  
    35  func handleError(c *cli.Context, code int, err error) {
    36  	if c.GlobalString("output") == "json" {
    37  		if err, ok := err.(*client.Error); ok {
    38  			b, err := json.Marshal(err)
    39  			if err != nil {
    40  				panic(err)
    41  			}
    42  			fmt.Fprintln(os.Stderr, string(b))
    43  			os.Exit(code)
    44  		}
    45  	}
    46  
    47  	fmt.Fprintln(os.Stderr, "Error: ", err)
    48  	if cerr, ok := err.(*client.ClusterError); ok {
    49  		fmt.Fprintln(os.Stderr, cerr.Detail())
    50  	}
    51  	os.Exit(code)
    52  }