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/*
Copyright (c) 2020 VMware, Inc. All Rights Reserved.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package main
import (
"context"
"flag"
"fmt"
"reflect"
"time"
"github.com/vmware/govmomi/event"
"github.com/vmware/govmomi/examples"
"github.com/vmware/govmomi/vim25"
"github.com/vmware/govmomi/vim25/methods"
"github.com/vmware/govmomi/vim25/types"
)
// example use: go run main.go -url $GOVC_URL -b 8h -f VmEvent
func main() {
begin := flag.Duration("b", time.Hour, "Begin time") // default BeginTime is 1h ago
follow := flag.Bool("f", false, "Follow event stream")
examples.Run(func(ctx context.Context, c *vim25.Client) error {
m := event.NewManager(c)
ref := c.ServiceContent.RootFolder
now, err := methods.GetCurrentTime(ctx, c) // vCenter server time (UTC)
if err != nil {
return err
}
filter := types.EventFilterSpec{
EventTypeId: flag.Args(), // e.g. VmEvent
Entity: &types.EventFilterSpecByEntity{
Entity: ref,
Recursion: types.EventFilterSpecRecursionOptionAll,
},
Time: &types.EventFilterSpecByTime{
BeginTime: types.NewTime(now.Add(*begin * -1)),
},
}
collector, err := m.CreateCollectorForEvents(ctx, filter)
if err != nil {
return err
}
defer collector.Destroy(ctx)
for {
events, err := collector.ReadNextEvents(ctx, 100)
if err != nil {
return err
}
if len(events) == 0 {
if *follow {
time.Sleep(time.Second)
continue
}
break
}
for i := range events {
event := events[i].GetEvent()
kind := reflect.TypeOf(events[i]).Elem().Name()
fmt.Printf("%d [%s] [%s] %s\n", event.Key, event.CreatedTime.Format(time.ANSIC), kind, event.FullFormattedMessage)
}
}
return nil
})
}
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