github.com/vmware/govmomi@v0.51.0/cli/host/portgroup/info.go (about)

     1  // © Broadcom. All Rights Reserved.
     2  // The term “Broadcom” refers to Broadcom Inc. and/or its subsidiaries.
     3  // SPDX-License-Identifier: Apache-2.0
     4  
     5  package portgroup
     6  
     7  import (
     8  	"context"
     9  	"flag"
    10  	"fmt"
    11  	"io"
    12  	"text/tabwriter"
    13  
    14  	"github.com/vmware/govmomi/cli"
    15  	"github.com/vmware/govmomi/cli/flags"
    16  	"github.com/vmware/govmomi/cli/host/vswitch"
    17  	"github.com/vmware/govmomi/property"
    18  	"github.com/vmware/govmomi/vim25/mo"
    19  	"github.com/vmware/govmomi/vim25/types"
    20  )
    21  
    22  type info struct {
    23  	*flags.ClientFlag
    24  	*flags.OutputFlag
    25  	*flags.HostSystemFlag
    26  }
    27  
    28  func init() {
    29  	cli.Register("host.portgroup.info", &info{})
    30  }
    31  
    32  func (cmd *info) Register(ctx context.Context, f *flag.FlagSet) {
    33  	cmd.ClientFlag, ctx = flags.NewClientFlag(ctx)
    34  	cmd.ClientFlag.Register(ctx, f)
    35  	cmd.OutputFlag, ctx = flags.NewOutputFlag(ctx)
    36  	cmd.OutputFlag.Register(ctx, f)
    37  	cmd.HostSystemFlag, ctx = flags.NewHostSystemFlag(ctx)
    38  	cmd.HostSystemFlag.Register(ctx, f)
    39  }
    40  
    41  func (cmd *info) Process(ctx context.Context) error {
    42  	if err := cmd.ClientFlag.Process(ctx); err != nil {
    43  		return err
    44  	}
    45  	if err := cmd.OutputFlag.Process(ctx); err != nil {
    46  		return err
    47  	}
    48  	if err := cmd.HostSystemFlag.Process(ctx); err != nil {
    49  		return err
    50  	}
    51  	return nil
    52  }
    53  
    54  func networkInfoPortgroup(ctx context.Context, c *flags.ClientFlag, h *flags.HostSystemFlag) ([]types.HostPortGroup, error) {
    55  	client, err := c.Client()
    56  	if err != nil {
    57  		return nil, err
    58  	}
    59  
    60  	ns, err := h.HostNetworkSystem()
    61  	if err != nil {
    62  		return nil, err
    63  	}
    64  
    65  	var mns mo.HostNetworkSystem
    66  
    67  	pc := property.DefaultCollector(client)
    68  	err = pc.RetrieveOne(ctx, ns.Reference(), []string{"networkInfo.portgroup"}, &mns)
    69  	if err != nil {
    70  		return nil, err
    71  	}
    72  
    73  	return mns.NetworkInfo.Portgroup, nil
    74  }
    75  
    76  func (cmd *info) Run(ctx context.Context, f *flag.FlagSet) error {
    77  	pg, err := networkInfoPortgroup(ctx, cmd.ClientFlag, cmd.HostSystemFlag)
    78  	if err != nil {
    79  		return err
    80  	}
    81  
    82  	r := &infoResult{pg}
    83  
    84  	return cmd.WriteResult(r)
    85  }
    86  
    87  type infoResult struct {
    88  	Portgroup []types.HostPortGroup `json:"portgroup"`
    89  }
    90  
    91  func (r *infoResult) Write(w io.Writer) error {
    92  	tw := tabwriter.NewWriter(w, 2, 0, 2, ' ', 0)
    93  
    94  	for i, s := range r.Portgroup {
    95  		if i > 0 {
    96  			fmt.Fprintln(tw)
    97  		}
    98  		fmt.Fprintf(tw, "Name:\t%s\n", s.Spec.Name)
    99  		fmt.Fprintf(tw, "Virtual switch:\t%s\n", s.Spec.VswitchName)
   100  		fmt.Fprintf(tw, "VLAN ID:\t%d\n", s.Spec.VlanId)
   101  		fmt.Fprintf(tw, "Active ports:\t%d\n", len(s.Port))
   102  		vswitch.HostNetworkPolicy(tw, &s.ComputedPolicy)
   103  	}
   104  
   105  	return tw.Flush()
   106  }