add vendoring with go dep

vendor/github.com/vmware/govmomi/govc/host/maintenance/enter.go

@@ -0,0 +1,93 @@
+/*
+Copyright (c) 2015 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 maintenance
+
+import (
+	"context"
+	"flag"
+	"fmt"
+
+	"github.com/vmware/govmomi/govc/cli"
+	"github.com/vmware/govmomi/govc/flags"
+	"github.com/vmware/govmomi/object"
+)
+
+type enter struct {
+	*flags.HostSystemFlag
+
+	timeout  int32
+	evacuate bool
+}
+
+func init() {
+	cli.Register("host.maintenance.enter", &enter{})
+}
+
+func (cmd *enter) Register(ctx context.Context, f *flag.FlagSet) {
+	cmd.HostSystemFlag, ctx = flags.NewHostSystemFlag(ctx)
+	cmd.HostSystemFlag.Register(ctx, f)
+
+	f.Var(flags.NewInt32(&cmd.timeout), "timeout", "Timeout")
+	f.BoolVar(&cmd.evacuate, "evacuate", false, "Evacuate powered off VMs")
+}
+
+func (cmd *enter) Process(ctx context.Context) error {
+	if err := cmd.HostSystemFlag.Process(ctx); err != nil {
+		return err
+	}
+	return nil
+}
+
+func (cmd *enter) Usage() string {
+	return "HOST..."
+}
+
+func (cmd *enter) Description() string {
+	return `Put HOST in maintenance mode.
+
+While this task is running and when the host is in maintenance mode,
+no VMs can be powered on and no provisioning operations can be performed on the host.`
+}
+
+func (cmd *enter) EnterMaintenanceMode(ctx context.Context, host *object.HostSystem) error {
+	task, err := host.EnterMaintenanceMode(ctx, cmd.timeout, cmd.evacuate, nil) // TODO: spec param
+	if err != nil {
+		return err
+	}
+
+	logger := cmd.ProgressLogger(fmt.Sprintf("%s entering maintenance mode... ", host.InventoryPath))
+	defer logger.Wait()
+
+	_, err = task.WaitForResult(ctx, logger)
+	return err
+}
+
+func (cmd *enter) Run(ctx context.Context, f *flag.FlagSet) error {
+	hosts, err := cmd.HostSystems(f.Args())
+	if err != nil {
+		return err
+	}
+
+	for _, host := range hosts {
+		err = cmd.EnterMaintenanceMode(ctx, host)
+		if err != nil {
+			return err
+		}
+	}
+
+	return nil
+}