github.com/vmware/govmomi@v0.37.2/govc/metric/reset.go (about)

     1  /*
     2  Copyright (c) 2017 VMware, Inc. 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 metric
    18  
    19  import (
    20  	"context"
    21  	"flag"
    22  
    23  	"github.com/vmware/govmomi/govc/cli"
    24  	"github.com/vmware/govmomi/vim25/methods"
    25  	"github.com/vmware/govmomi/vim25/types"
    26  )
    27  
    28  type reset struct {
    29  	*PerformanceFlag
    30  }
    31  
    32  func init() {
    33  	cli.Register("metric.reset", &reset{})
    34  }
    35  
    36  func (cmd *reset) Register(ctx context.Context, f *flag.FlagSet) {
    37  	cmd.PerformanceFlag, ctx = NewPerformanceFlag(ctx)
    38  	cmd.PerformanceFlag.Register(ctx, f)
    39  }
    40  
    41  func (cmd *reset) Usage() string {
    42  	return "NAME..."
    43  }
    44  
    45  func (cmd *reset) Description() string {
    46  	return `Reset counter NAME to the default level of data collection.
    47  
    48  Examples:
    49    govc metric.reset net.bytesRx.average net.bytesTx.average`
    50  }
    51  
    52  func (cmd *reset) Process(ctx context.Context) error {
    53  	if err := cmd.PerformanceFlag.Process(ctx); err != nil {
    54  		return err
    55  	}
    56  	return nil
    57  }
    58  
    59  func (cmd *reset) Run(ctx context.Context, f *flag.FlagSet) error {
    60  	if f.NArg() == 0 {
    61  		return flag.ErrHelp
    62  	}
    63  
    64  	m, err := cmd.Manager(ctx)
    65  	if err != nil {
    66  		return err
    67  	}
    68  
    69  	counters, err := m.CounterInfoByName(ctx)
    70  	if err != nil {
    71  		return err
    72  	}
    73  
    74  	var ids []int32
    75  
    76  	for _, name := range f.Args() {
    77  		counter, ok := counters[name]
    78  		if !ok {
    79  			return cmd.ErrNotFound(name)
    80  		}
    81  
    82  		ids = append(ids, counter.Key)
    83  	}
    84  
    85  	_, err = methods.ResetCounterLevelMapping(ctx, m.Client(), &types.ResetCounterLevelMapping{
    86  		This:     m.Reference(),
    87  		Counters: ids,
    88  	})
    89  
    90  	return err
    91  }