github.com/vmware/govmomi@v0.43.0/govc/pool/change.go (about) 1 /* 2 Copyright (c) 2015-2017 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 pool 18 19 import ( 20 "context" 21 "flag" 22 23 "github.com/vmware/govmomi/govc/cli" 24 "github.com/vmware/govmomi/govc/flags" 25 "github.com/vmware/govmomi/vim25/types" 26 ) 27 28 type change struct { 29 *flags.DatacenterFlag 30 *ResourceConfigSpecFlag 31 32 name string 33 } 34 35 func init() { 36 cli.Register("pool.change", &change{}) 37 } 38 39 func (cmd *change) Register(ctx context.Context, f *flag.FlagSet) { 40 cmd.DatacenterFlag, ctx = flags.NewDatacenterFlag(ctx) 41 cmd.DatacenterFlag.Register(ctx, f) 42 cmd.ResourceConfigSpecFlag = &ResourceConfigSpecFlag{ 43 ResourceConfigSpec: types.ResourceConfigSpec{ 44 CpuAllocation: types.ResourceAllocationInfo{ 45 Shares: new(types.SharesInfo), 46 }, 47 MemoryAllocation: types.ResourceAllocationInfo{ 48 Shares: new(types.SharesInfo), 49 }, 50 }, 51 } 52 cmd.ResourceConfigSpecFlag.Register(ctx, f) 53 54 f.StringVar(&cmd.name, "name", "", "Resource pool name") 55 } 56 57 func (cmd *change) Process(ctx context.Context) error { 58 if err := cmd.DatacenterFlag.Process(ctx); err != nil { 59 return err 60 } 61 if err := cmd.ResourceConfigSpecFlag.Process(ctx); err != nil { 62 return err 63 } 64 return nil 65 } 66 67 func (cmd *change) Usage() string { 68 return "POOL..." 69 } 70 71 func (cmd *change) Description() string { 72 return "Change the configuration of one or more resource POOLs.\n" + poolNameHelp 73 } 74 75 func (cmd *change) Run(ctx context.Context, f *flag.FlagSet) error { 76 if f.NArg() == 0 { 77 return flag.ErrHelp 78 } 79 80 finder, err := cmd.Finder() 81 if err != nil { 82 return err 83 } 84 85 for _, ra := range []*types.ResourceAllocationInfo{&cmd.CpuAllocation, &cmd.MemoryAllocation} { 86 if ra.Shares.Level == "" { 87 ra.Shares = nil 88 } 89 } 90 91 for _, arg := range f.Args() { 92 pools, err := finder.ResourcePoolListAll(ctx, arg) 93 if err != nil { 94 return err 95 } 96 97 for _, pool := range pools { 98 err := pool.UpdateConfig(ctx, cmd.name, &cmd.ResourceConfigSpec) 99 if err != nil { 100 return err 101 } 102 } 103 } 104 105 return nil 106 }