add vendoring with go dep

vendor/github.com/vmware/govmomi/govc/logs/command.go

@@ -0,0 +1,121 @@
+/*
+Copyright (c) 2015-2016 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 logs
+
+import (
+	"context"
+	"flag"
+	"time"
+
+	"github.com/vmware/govmomi/govc/cli"
+	"github.com/vmware/govmomi/govc/flags"
+	"github.com/vmware/govmomi/object"
+)
+
+type logs struct {
+	*flags.HostSystemFlag
+
+	Max int32
+	Key string
+
+	follow bool
+}
+
+func init() {
+	cli.Register("logs", &logs{})
+}
+
+func (cmd *logs) Register(ctx context.Context, f *flag.FlagSet) {
+	cmd.HostSystemFlag, ctx = flags.NewHostSystemFlag(ctx)
+	cmd.HostSystemFlag.Register(ctx, f)
+
+	cmd.Max = 25 // default
+	f.Var(flags.NewInt32(&cmd.Max), "n", "Output the last N log lines")
+	f.StringVar(&cmd.Key, "log", "", "Log file key")
+	f.BoolVar(&cmd.follow, "f", false, "Follow log file changes")
+}
+
+func (cmd *logs) Process(ctx context.Context) error {
+	if err := cmd.HostSystemFlag.Process(ctx); err != nil {
+		return err
+	}
+	return nil
+}
+
+func (cmd *logs) Description() string {
+	return `View VPX and ESX logs.
+
+The '-log' option defaults to "hostd" when connected directly to a host or
+when connected to VirtualCenter and a '-host' option is given.  Otherwise,
+the '-log' option defaults to "vpxd:vpxd.log".  The '-host' option is ignored
+when connected directly to a host.  See 'govc logs.ls' for other '-log' options.
+
+Examples:
+  govc logs -n 1000 -f
+  govc logs -host esx1
+  govc logs -host esx1 -log vmkernel`
+}
+
+func (cmd *logs) Run(ctx context.Context, f *flag.FlagSet) error {
+	c, err := cmd.Client()
+	if err != nil {
+		return err
+	}
+
+	defaultKey := "hostd"
+	var host *object.HostSystem
+
+	if c.IsVC() {
+		host, err = cmd.HostSystemIfSpecified()
+		if err != nil {
+			return err
+		}
+
+		if host == nil {
+			defaultKey = "vpxd:vpxd.log"
+		}
+	}
+
+	m := object.NewDiagnosticManager(c)
+
+	key := cmd.Key
+	if key == "" {
+		key = defaultKey
+	}
+
+	l := m.Log(ctx, host, key)
+
+	err = l.Seek(ctx, cmd.Max)
+	if err != nil {
+		return err
+	}
+
+	for {
+		_, err = l.Copy(ctx, cmd.Out)
+		if err != nil {
+			return nil
+		}
+
+		if !cmd.follow {
+			break
+		}
+
+		<-time.After(time.Second)
+	}
+
+	return nil
+}