github.com/m3db/m3@v1.5.0/src/cmd/tools/dtest/tests/dtest.go (about)

     1  // Copyright (c) 2018 Uber Technologies, Inc.
     2  //
     3  // Permission is hereby granted, free of charge, to any person obtaining a copy
     4  // of this software and associated documentation files (the "Software"), to deal
     5  // in the Software without restriction, including without limitation the rights
     6  // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
     7  // copies of the Software, and to permit persons to whom the Software is
     8  // furnished to do so, subject to the following conditions:
     9  //
    10  // The above copyright notice and this permission notice shall be included in
    11  // all copies or substantial portions of the Software.
    12  //
    13  // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
    14  // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
    15  // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
    16  // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
    17  // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
    18  // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
    19  // THE SOFTWARE.
    20  
    21  package dtests
    22  
    23  import (
    24  	"fmt"
    25  	"os"
    26  
    27  	"github.com/m3db/m3/src/cmd/tools/dtest/config"
    28  
    29  	"github.com/spf13/cobra"
    30  	"go.uber.org/zap"
    31  )
    32  
    33  var (
    34  	// DTestCmd represents the base command when called without any subcommands
    35  	DTestCmd = &cobra.Command{
    36  		Use:   "dtest",
    37  		Short: "Command line tool to execute m3db dtests",
    38  	}
    39  
    40  	globalArgs = &config.Args{}
    41  )
    42  
    43  // Run executes the dtest command.
    44  func Run() {
    45  	if err := DTestCmd.Execute(); err != nil {
    46  		fmt.Println(err)
    47  		os.Exit(-1)
    48  	}
    49  }
    50  
    51  func init() {
    52  	DTestCmd.AddCommand(
    53  		seededBootstrapTestCmd,
    54  		simpleBootstrapTestCmd,
    55  		removeUpNodeTestCmd,
    56  		replaceUpNodeTestCmd,
    57  		replaceDownNodeTestCmd,
    58  		addDownNodeAndBringUpTestCmd,
    59  		removeDownNodeTestCmd,
    60  		addUpNodeRemoveTestCmd,
    61  		replaceUpNodeRemoveTestCmd,
    62  		replaceUpNodeRemoveUnseededTestCmd,
    63  	)
    64  
    65  	globalArgs.RegisterFlags(DTestCmd)
    66  }
    67  
    68  func printUsage(cmd *cobra.Command) {
    69  	if err := cmd.Usage(); err != nil {
    70  		panic(err)
    71  	}
    72  }
    73  
    74  func panicIf(cond bool, msg string) {
    75  	if cond {
    76  		panic(msg)
    77  	}
    78  }
    79  
    80  func panicIfErr(err error, msg string) {
    81  	if err == nil {
    82  		return
    83  	}
    84  	errStr := err.Error()
    85  	panic(fmt.Errorf("%s: %s", msg, errStr))
    86  }
    87  
    88  func newLogger(cmd *cobra.Command) *zap.Logger {
    89  	rawLogger, err := zap.NewDevelopment()
    90  	panicIfErr(err, "unable to create logger")
    91  	logger := rawLogger.Sugar()
    92  	logger.Infof("============== %v ==============", cmd.Name())
    93  	desc := cmd.Long
    94  	if desc == "" {
    95  		desc = cmd.Short
    96  	}
    97  	logger.Infof("Test description: %v", desc)
    98  	logger.Infof("============================")
    99  	return rawLogger
   100  }