github.com/vmware/govmomi@v0.43.0/govc/vapp/power.go (about)

     1  /*
     2  Copyright (c) 2015 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 vapp
    18  
    19  import (
    20  	"context"
    21  	"flag"
    22  	"fmt"
    23  
    24  	"github.com/vmware/govmomi/govc/cli"
    25  	"github.com/vmware/govmomi/govc/flags"
    26  	"github.com/vmware/govmomi/object"
    27  )
    28  
    29  type power struct {
    30  	*flags.SearchFlag
    31  
    32  	On      bool
    33  	Off     bool
    34  	Suspend bool
    35  	Force   bool
    36  }
    37  
    38  func init() {
    39  	cli.Register("vapp.power", &power{})
    40  }
    41  
    42  func (cmd *power) Register(ctx context.Context, f *flag.FlagSet) {
    43  	cmd.SearchFlag, ctx = flags.NewSearchFlag(ctx, flags.SearchVirtualApps)
    44  	cmd.SearchFlag.Register(ctx, f)
    45  
    46  	f.BoolVar(&cmd.On, "on", false, "Power on")
    47  	f.BoolVar(&cmd.Off, "off", false, "Power off")
    48  	f.BoolVar(&cmd.Suspend, "suspend", false, "Power suspend")
    49  	f.BoolVar(&cmd.Force, "force", false, "Force (If force is false, the shutdown order in the vApp is executed. If force is true, all virtual machines are powered-off (regardless of shutdown order))")
    50  }
    51  
    52  func (cmd *power) Process(ctx context.Context) error {
    53  	if err := cmd.SearchFlag.Process(ctx); err != nil {
    54  		return err
    55  	}
    56  	opts := []bool{cmd.On, cmd.Off, cmd.Suspend}
    57  	selected := false
    58  
    59  	for _, opt := range opts {
    60  		if opt {
    61  			if selected {
    62  				return flag.ErrHelp
    63  			}
    64  			selected = opt
    65  		}
    66  	}
    67  
    68  	if !selected {
    69  		return flag.ErrHelp
    70  	}
    71  
    72  	return nil
    73  }
    74  
    75  func (cmd *power) Run(ctx context.Context, f *flag.FlagSet) error {
    76  	vapps, err := cmd.VirtualApps(f.Args())
    77  	if err != nil {
    78  		return err
    79  	}
    80  
    81  	for _, vapp := range vapps {
    82  		var task *object.Task
    83  
    84  		switch {
    85  		case cmd.On:
    86  			fmt.Fprintf(cmd, "Powering on %s... ", vapp.Reference())
    87  			task, err = vapp.PowerOn(ctx)
    88  		case cmd.Off:
    89  			fmt.Fprintf(cmd, "Powering off %s... ", vapp.Reference())
    90  			task, err = vapp.PowerOff(ctx, cmd.Force)
    91  		case cmd.Suspend:
    92  			fmt.Fprintf(cmd, "Suspend %s... ", vapp.Reference())
    93  			task, err = vapp.Suspend(ctx)
    94  		}
    95  
    96  		if err != nil {
    97  			return err
    98  		}
    99  
   100  		if task != nil {
   101  			err = task.Wait(ctx)
   102  		}
   103  		if err == nil {
   104  			fmt.Fprintf(cmd, "OK\n")
   105  			continue
   106  		}
   107  
   108  		return err
   109  	}
   110  
   111  	return nil
   112  }