github.com/vmware/govmomi@v0.43.0/examples/tasks/main.go (about) 1 /* 2 Copyright (c) 2020 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 main 18 19 import ( 20 "context" 21 "flag" 22 "time" 23 24 "github.com/dougm/pretty" 25 26 "github.com/vmware/govmomi/task" 27 28 "github.com/vmware/govmomi/examples" 29 "github.com/vmware/govmomi/vim25" 30 "github.com/vmware/govmomi/vim25/methods" 31 "github.com/vmware/govmomi/vim25/types" 32 ) 33 34 func main() { 35 // example use against vCenter with optional time filters: 36 // go run main.go -url $GOVMOMI_URL -insecure $GOVMOMI_INSECURE -b 8h -f 37 begin := flag.Duration("b", 10*time.Minute, "Begin time (filtered by started time)") // default BeginTime is 10min ago 38 end := flag.Duration("e", 0, "End time (filtered by started time)") 39 follow := flag.Bool("f", false, "Follow task stream") 40 41 examples.Run(func(ctx context.Context, c *vim25.Client) error { 42 m := task.NewManager(c) 43 44 ref := c.ServiceContent.RootFolder 45 46 now, err := methods.GetCurrentTime(ctx, c) // vCenter server time (UTC) 47 if err != nil { 48 return err 49 } 50 51 filter := types.TaskFilterSpec{ 52 Entity: &types.TaskFilterSpecByEntity{ 53 Entity: ref, 54 Recursion: types.TaskFilterSpecRecursionOptionAll, 55 }, 56 Time: &types.TaskFilterSpecByTime{ 57 TimeType: types.TaskFilterSpecTimeOptionStartedTime, 58 BeginTime: types.NewTime(now.Add(*begin * -1)), 59 }, 60 } 61 62 if *end != 0 { 63 filter.Time.EndTime = types.NewTime(now.Add(*end * -1)) 64 } 65 66 collector, err := m.CreateCollectorForTasks(ctx, filter) 67 if err != nil { 68 return err 69 } 70 71 defer collector.Destroy(ctx) 72 73 for { 74 tasks, err := collector.ReadNextTasks(ctx, 10) 75 if err != nil { 76 return err 77 } 78 79 if len(tasks) == 0 { 80 if *follow { 81 time.Sleep(time.Second) 82 continue 83 } 84 break 85 } 86 87 for i := range tasks { 88 pretty.Println(tasks[i]) 89 } 90 } 91 92 return nil 93 }) 94 }