github.com/vmware/govmomi@v0.51.0/cli/library/policy/ls.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 policy
     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/vapi/library"
    17  )
    18  
    19  type ls struct {
    20  	*flags.ClientFlag
    21  	*flags.OutputFlag
    22  }
    23  
    24  func init() {
    25  	cli.Register("library.policy.ls", &ls{})
    26  }
    27  
    28  func (cmd *ls) Register(ctx context.Context, f *flag.FlagSet) {
    29  	cmd.ClientFlag, ctx = flags.NewClientFlag(ctx)
    30  	cmd.OutputFlag, ctx = flags.NewOutputFlag(ctx)
    31  	cmd.ClientFlag.Register(ctx, f)
    32  	cmd.OutputFlag.Register(ctx, f)
    33  }
    34  
    35  func (cmd *ls) Process(ctx context.Context) error {
    36  	if err := cmd.ClientFlag.Process(ctx); err != nil {
    37  		return err
    38  	}
    39  	return nil
    40  }
    41  
    42  func (cmd *ls) Description() string {
    43  	return `List security policies for content libraries.
    44  
    45  Examples:
    46    govc library.policy.ls
    47  `
    48  }
    49  
    50  type lsResultsWriter struct {
    51  	Policies []library.ContentSecurityPoliciesInfo `json:"policies,omitempty"`
    52  }
    53  
    54  func (r lsResultsWriter) Write(w io.Writer) error {
    55  	tw := tabwriter.NewWriter(w, 2, 0, 2, ' ', 0)
    56  
    57  	if len(r.Policies) == 0 {
    58  		_, _ = fmt.Fprintln(tw, "No Policies found")
    59  		return tw.Flush()
    60  	}
    61  
    62  	for _, p := range r.Policies {
    63  		if _, err := fmt.Fprintf(tw, "Name:\t%s\n", p.Name); err != nil {
    64  			return err
    65  		}
    66  		if _, err := fmt.Fprintf(tw, "Policy ID:\t%s\n", p.Policy); err != nil {
    67  			return err
    68  		}
    69  		if err := writeItemRules(tw, p); err != nil {
    70  			return err
    71  		}
    72  	}
    73  
    74  	return tw.Flush()
    75  }
    76  
    77  func (r lsResultsWriter) Dump() any {
    78  	return r.Policies
    79  }
    80  
    81  func writeItemRules(w io.Writer, policy library.ContentSecurityPoliciesInfo) error {
    82  	tw := tabwriter.NewWriter(w, 2, 0, 4, ' ', 0)
    83  	if _, err := fmt.Fprintln(w, "Rules:"); err != nil {
    84  		return err
    85  	}
    86  	for k, v := range policy.ItemTypeRules {
    87  		if _, err := fmt.Fprintf(tw, "\tItem: %s\n", k); err != nil {
    88  			return err
    89  		}
    90  		if _, err := fmt.Fprintf(tw, "\tRule: %s\n", v); err != nil {
    91  			return err
    92  		}
    93  	}
    94  	return tw.Flush()
    95  }
    96  
    97  func (cmd *ls) Run(ctx context.Context, _ *flag.FlagSet) error {
    98  	c, err := cmd.RestClient()
    99  	if err != nil {
   100  		return err
   101  	}
   102  
   103  	m := library.NewManager(c)
   104  	policies, err := m.ListSecurityPolicies(ctx)
   105  	if err != nil {
   106  		return err
   107  	}
   108  	return cmd.WriteResult(&lsResultsWriter{policies})
   109  }