github.com/vmware/govmomi@v0.51.0/cli/metric/interval/change.go (about)

     1  // © Broadcom. All Rights Reserved.
     2  // The term “Broadcom” refers to Broadcom Inc. and/or its subsidiaries.
     3  // SPDX-License-Identifier: Apache-2.0
     4  
     5  package interval
     6  
     7  import (
     8  	"context"
     9  	"flag"
    10  	"fmt"
    11  
    12  	"github.com/vmware/govmomi/cli"
    13  	"github.com/vmware/govmomi/cli/flags"
    14  	"github.com/vmware/govmomi/cli/metric"
    15  	"github.com/vmware/govmomi/vim25/methods"
    16  	"github.com/vmware/govmomi/vim25/types"
    17  )
    18  
    19  type change struct {
    20  	*metric.PerformanceFlag
    21  
    22  	enabled *bool
    23  	level   int
    24  }
    25  
    26  func init() {
    27  	cli.Register("metric.interval.change", &change{})
    28  }
    29  
    30  func (cmd *change) Register(ctx context.Context, f *flag.FlagSet) {
    31  	cmd.PerformanceFlag, ctx = metric.NewPerformanceFlag(ctx)
    32  	cmd.PerformanceFlag.Register(ctx, f)
    33  
    34  	f.Var(flags.NewOptionalBool(&cmd.enabled), "enabled", "Enable or disable")
    35  	f.IntVar(&cmd.level, "level", 0, "Level")
    36  }
    37  
    38  func (cmd *change) Description() string {
    39  	return `Change historical metric intervals.
    40  
    41  Examples:
    42    govc metric.interval.change -i 300 -level 2
    43    govc metric.interval.change -i 86400 -enabled=false`
    44  }
    45  
    46  func (cmd *change) Process(ctx context.Context) error {
    47  	if err := cmd.PerformanceFlag.Process(ctx); err != nil {
    48  		return err
    49  	}
    50  	return nil
    51  }
    52  
    53  func (cmd *change) Run(ctx context.Context, f *flag.FlagSet) error {
    54  	m, err := cmd.Manager(ctx)
    55  	if err != nil {
    56  		return err
    57  	}
    58  
    59  	intervals, err := m.HistoricalInterval(ctx)
    60  	if err != nil {
    61  		return err
    62  	}
    63  
    64  	interval := cmd.Interval(0)
    65  	if interval == 0 {
    66  		return flag.ErrHelp
    67  	}
    68  
    69  	var current *types.PerfInterval
    70  
    71  	for _, i := range intervals {
    72  		if i.SamplingPeriod == interval {
    73  			current = &i
    74  			break
    75  		}
    76  	}
    77  
    78  	if current == nil {
    79  		return fmt.Errorf("%d interval ID not found", interval)
    80  	}
    81  
    82  	if cmd.level != 0 {
    83  		if cmd.level > 4 {
    84  			return flag.ErrHelp
    85  		}
    86  		current.Level = int32(cmd.level)
    87  	}
    88  
    89  	if cmd.enabled != nil {
    90  		current.Enabled = *cmd.enabled
    91  	}
    92  
    93  	_, err = methods.UpdatePerfInterval(ctx, m.Client(), &types.UpdatePerfInterval{
    94  		This:     m.Reference(),
    95  		Interval: *current,
    96  	})
    97  
    98  	return err
    99  }