github.com/vmware/govmomi@v0.43.0/govc/logs/ls.go (about) 1 /* 2 Copyright (c) 2015-2016 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 logs 18 19 import ( 20 "context" 21 "flag" 22 "fmt" 23 "os" 24 "text/tabwriter" 25 26 "github.com/vmware/govmomi/govc/cli" 27 "github.com/vmware/govmomi/govc/flags" 28 "github.com/vmware/govmomi/object" 29 ) 30 31 type ls struct { 32 *flags.HostSystemFlag 33 } 34 35 func init() { 36 cli.Register("logs.ls", &ls{}) 37 } 38 39 func (cmd *ls) Register(ctx context.Context, f *flag.FlagSet) { 40 cmd.HostSystemFlag, ctx = flags.NewHostSystemFlag(ctx) 41 cmd.HostSystemFlag.Register(ctx, f) 42 } 43 44 func (cmd *ls) Process(ctx context.Context) error { 45 if err := cmd.HostSystemFlag.Process(ctx); err != nil { 46 return err 47 } 48 return nil 49 } 50 51 func (cmd *ls) Description() string { 52 return `List diagnostic log keys. 53 54 Examples: 55 govc logs.ls 56 govc logs.ls -host host-a` 57 } 58 59 func (cmd *ls) Run(ctx context.Context, f *flag.FlagSet) error { 60 c, err := cmd.Client() 61 if err != nil { 62 return err 63 } 64 65 var host *object.HostSystem 66 67 if c.IsVC() { 68 host, err = cmd.HostSystemIfSpecified() 69 if err != nil { 70 return err 71 } 72 } 73 74 m := object.NewDiagnosticManager(c) 75 76 desc, err := m.QueryDescriptions(ctx, host) 77 if err != nil { 78 return err 79 } 80 81 tw := tabwriter.NewWriter(os.Stdout, 2, 0, 2, ' ', 0) 82 83 for _, d := range desc { 84 fmt.Fprintf(tw, "%s\t%s\n", d.Key, d.FileName) 85 } 86 87 return tw.Flush() 88 }