143 lines
3.3 KiB
Go
143 lines
3.3 KiB
Go
/*
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Copyright (c) 2015 VMware, Inc. All Rights Reserved.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package events
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import (
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"context"
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"flag"
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"fmt"
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"os"
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"strings"
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"time"
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"github.com/vmware/govmomi/event"
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"github.com/vmware/govmomi/govc/cli"
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"github.com/vmware/govmomi/govc/flags"
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"github.com/vmware/govmomi/vim25/types"
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)
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type events struct {
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*flags.DatacenterFlag
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Max int32
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Tail bool
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Force bool
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}
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func init() {
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// initialize with the maximum allowed objects set
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cli.Register("events", &events{})
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}
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func (cmd *events) Register(ctx context.Context, f *flag.FlagSet) {
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cmd.DatacenterFlag, ctx = flags.NewDatacenterFlag(ctx)
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cmd.DatacenterFlag.Register(ctx, f)
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cmd.Max = 25 // default
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f.Var(flags.NewInt32(&cmd.Max), "n", "Output the last N events")
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f.BoolVar(&cmd.Tail, "f", false, "Follow event stream")
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f.BoolVar(&cmd.Force, "force", false, "Disable number objects to monitor limit")
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}
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func (cmd *events) Description() string {
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return `Display events.
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Examples:
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govc events vm/my-vm1 vm/my-vm2
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govc events /dc1/vm/* /dc2/vm/*
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govc ls -t HostSystem host/* | xargs govc events | grep -i vsan`
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}
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func (cmd *events) Usage() string {
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return "[PATH]..."
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}
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func (cmd *events) Process(ctx context.Context) error {
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if err := cmd.DatacenterFlag.Process(ctx); err != nil {
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return err
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}
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return nil
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}
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func (cmd *events) printEvents(ctx context.Context, obj *types.ManagedObjectReference, page []types.BaseEvent, m *event.Manager) error {
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event.Sort(page)
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if obj != nil {
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// print the object reference
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fmt.Fprintf(os.Stdout, "\n==> %s <==\n", obj.String())
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}
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for _, e := range page {
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cat, err := m.EventCategory(ctx, e)
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if err != nil {
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return err
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}
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event := e.GetEvent()
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msg := strings.TrimSpace(event.FullFormattedMessage)
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// if this is a TaskEvent gather a little more information
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if t, ok := e.(*types.TaskEvent); ok {
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// some tasks won't have this information, so just use the event message
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if t.Info.Entity != nil {
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msg = fmt.Sprintf("%s (target=%s %s)", msg, t.Info.Entity.Type, t.Info.EntityName)
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}
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}
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fmt.Fprintf(os.Stdout, "[%s] [%s] %s\n",
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event.CreatedTime.Local().Format(time.ANSIC),
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cat,
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msg)
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}
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return nil
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}
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func (cmd *events) Run(ctx context.Context, f *flag.FlagSet) error {
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c, err := cmd.Client()
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if err != nil {
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return err
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}
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objs, err := cmd.ManagedObjects(ctx, f.Args())
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if err != nil {
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return err
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}
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if len(objs) > 0 {
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// need an event manager
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m := event.NewManager(c)
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// get the event stream
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err = m.Events(ctx, objs, cmd.Max, cmd.Tail, cmd.Force, func(obj types.ManagedObjectReference, ee []types.BaseEvent) error {
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var o *types.ManagedObjectReference
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if len(objs) > 1 {
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o = &obj
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}
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err = cmd.printEvents(ctx, o, ee, m)
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if err != nil {
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return err
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}
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return nil
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})
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if err != nil {
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return err
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}
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}
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return nil
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}
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