github.com/vmware/govmomi@v0.51.0/cli/datastore/cluster/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 cluster
     6  
     7  import (
     8  	"context"
     9  	"flag"
    10  	"fmt"
    11  	"io"
    12  	"os"
    13  	"text/tabwriter"
    14  
    15  	"github.com/vmware/govmomi/cli"
    16  	"github.com/vmware/govmomi/cli/flags"
    17  	"github.com/vmware/govmomi/object"
    18  	"github.com/vmware/govmomi/property"
    19  	"github.com/vmware/govmomi/vim25/mo"
    20  	"github.com/vmware/govmomi/vim25/types"
    21  )
    22  
    23  type info struct {
    24  	*flags.DatacenterFlag
    25  }
    26  
    27  func init() {
    28  	cli.Register("datastore.cluster.info", &info{})
    29  }
    30  
    31  func (cmd *info) Register(ctx context.Context, f *flag.FlagSet) {
    32  	cmd.DatacenterFlag, ctx = flags.NewDatacenterFlag(ctx)
    33  	cmd.DatacenterFlag.Register(ctx, f)
    34  }
    35  
    36  func (cmd *info) Usage() string {
    37  	return "[PATH]..."
    38  }
    39  
    40  func (cmd *info) Description() string {
    41  	return `Display datastore cluster info.
    42  
    43  Examples:
    44    govc datastore.cluster.info
    45    govc datastore.cluster.info MyDatastoreCluster`
    46  }
    47  
    48  func (cmd *info) Run(ctx context.Context, f *flag.FlagSet) error {
    49  	c, err := cmd.Client()
    50  	if err != nil {
    51  		return err
    52  	}
    53  
    54  	finder, err := cmd.Finder()
    55  	if err != nil {
    56  		return err
    57  	}
    58  
    59  	args := f.Args()
    60  	if len(args) == 0 {
    61  		args = []string{"*"}
    62  	}
    63  
    64  	var res infoResult
    65  	var props []string
    66  
    67  	if cmd.OutputFlag.All() {
    68  		props = nil // Load everything
    69  	} else {
    70  		props = []string{"podStorageDrsEntry", "summary"} // Load summary
    71  	}
    72  
    73  	for _, arg := range args {
    74  		objects, err := finder.DatastoreClusterList(ctx, arg)
    75  		if err != nil {
    76  			return err
    77  		}
    78  		res.objects = append(res.objects, objects...)
    79  	}
    80  
    81  	if len(res.objects) != 0 {
    82  		refs := make([]types.ManagedObjectReference, 0, len(res.objects))
    83  		for _, o := range res.objects {
    84  			refs = append(refs, o.Reference())
    85  		}
    86  
    87  		pc := property.DefaultCollector(c)
    88  		err = pc.Retrieve(ctx, refs, props, &res.Clusters)
    89  		if err != nil {
    90  			return err
    91  		}
    92  	}
    93  
    94  	return cmd.WriteResult(&res)
    95  }
    96  
    97  type infoResult struct {
    98  	Clusters []mo.StoragePod `json:"clusters"`
    99  	objects  []*object.StoragePod
   100  }
   101  
   102  func (r *infoResult) Write(w io.Writer) error {
   103  	// Maintain order via r.objects as Property collector does not always return results in order.
   104  	objects := make(map[types.ManagedObjectReference]mo.StoragePod, len(r.Clusters))
   105  	for _, o := range r.Clusters {
   106  		objects[o.Reference()] = o
   107  	}
   108  
   109  	tw := tabwriter.NewWriter(os.Stdout, 2, 0, 2, ' ', 0)
   110  
   111  	for _, o := range r.objects {
   112  		ds := objects[o.Reference()]
   113  		s := ds.Summary
   114  		c := ds.PodStorageDrsEntry.StorageDrsConfig
   115  		fmt.Fprintf(tw, "Name:\t%s\n", s.Name)
   116  		fmt.Fprintf(tw, "  Path:\t%s\n", o.InventoryPath)
   117  		fmt.Fprintf(tw, "  Capacity:\t%.1f GB\n", float64(s.Capacity)/(1<<30))
   118  		fmt.Fprintf(tw, "  Free:\t%.1f GB\n", float64(s.FreeSpace)/(1<<30))
   119  		fmt.Fprintf(tw, "  SDRS Enabled:\t%t\n", c.PodConfig.Enabled)
   120  		fmt.Fprintf(tw, "  SDRS Mode:\t%s\n", c.PodConfig.DefaultVmBehavior)
   121  	}
   122  
   123  	return tw.Flush()
   124  }