github.com/vmware/govmomi@v0.43.0/govc/library/policy/ls.go (about)

     1  /*
     2  Copyright (c) 2022-2022 VMware, Inc. All Rights Reserved.
     3  
     4  Licensed under the Apache License, Version 2.0 (the "License");
     5  you may not use this file except in compliance with the License.
     6  You may obtain a copy of the License at
     7  
     8      http://www.apache.org/licenses/LICENSE-2.0
     9  
    10  Unless required by applicable law or agreed to in writing, software
    11  distributed under the License is distributed on an "AS IS" BASIS,
    12  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    13  See the License for the specific language governing permissions and
    14  limitations under the License.
    15  */
    16  
    17  package policy
    18  
    19  import (
    20  	"context"
    21  	"flag"
    22  	"fmt"
    23  	"io"
    24  	"text/tabwriter"
    25  
    26  	"github.com/vmware/govmomi/govc/cli"
    27  	"github.com/vmware/govmomi/govc/flags"
    28  	"github.com/vmware/govmomi/vapi/library"
    29  )
    30  
    31  type ls struct {
    32  	*flags.ClientFlag
    33  	*flags.OutputFlag
    34  }
    35  
    36  func init() {
    37  	cli.Register("library.policy.ls", &ls{})
    38  }
    39  
    40  func (cmd *ls) Register(ctx context.Context, f *flag.FlagSet) {
    41  	cmd.ClientFlag, ctx = flags.NewClientFlag(ctx)
    42  	cmd.OutputFlag, ctx = flags.NewOutputFlag(ctx)
    43  	cmd.ClientFlag.Register(ctx, f)
    44  	cmd.OutputFlag.Register(ctx, f)
    45  }
    46  
    47  func (cmd *ls) Process(ctx context.Context) error {
    48  	if err := cmd.ClientFlag.Process(ctx); err != nil {
    49  		return err
    50  	}
    51  	return nil
    52  }
    53  
    54  func (cmd *ls) Description() string {
    55  	return `List security policies for content libraries.
    56  
    57  Examples:
    58    govc library.policy.ls
    59  `
    60  }
    61  
    62  type lsResultsWriter struct {
    63  	Policies []library.ContentSecurityPoliciesInfo `json:"policies,omitempty"`
    64  }
    65  
    66  func (r lsResultsWriter) Write(w io.Writer) error {
    67  	tw := tabwriter.NewWriter(w, 2, 0, 2, ' ', 0)
    68  
    69  	if len(r.Policies) == 0 {
    70  		_, _ = fmt.Fprintln(tw, "No Policies found")
    71  		return tw.Flush()
    72  	}
    73  
    74  	for _, p := range r.Policies {
    75  		if _, err := fmt.Fprintf(tw, "Name:\t%s\n", p.Name); err != nil {
    76  			return err
    77  		}
    78  		if _, err := fmt.Fprintf(tw, "Policy ID:\t%s\n", p.Policy); err != nil {
    79  			return err
    80  		}
    81  		if err := writeItemRules(tw, p); err != nil {
    82  			return err
    83  		}
    84  	}
    85  
    86  	return tw.Flush()
    87  }
    88  
    89  func (r lsResultsWriter) Dump() interface{} {
    90  	return r.Policies
    91  }
    92  
    93  func writeItemRules(w io.Writer, policy library.ContentSecurityPoliciesInfo) error {
    94  	tw := tabwriter.NewWriter(w, 2, 0, 4, ' ', 0)
    95  	if _, err := fmt.Fprintln(w, "Rules:"); err != nil {
    96  		return err
    97  	}
    98  	for k, v := range policy.ItemTypeRules {
    99  		if _, err := fmt.Fprintf(tw, "\tItem: %s\n", k); err != nil {
   100  			return err
   101  		}
   102  		if _, err := fmt.Fprintf(tw, "\tRule: %s\n", v); err != nil {
   103  			return err
   104  		}
   105  	}
   106  	return tw.Flush()
   107  }
   108  
   109  func (cmd *ls) Run(ctx context.Context, _ *flag.FlagSet) error {
   110  	c, err := cmd.RestClient()
   111  	if err != nil {
   112  		return err
   113  	}
   114  
   115  	m := library.NewManager(c)
   116  	policies, err := m.ListSecurityPolicies(ctx)
   117  	if err != nil {
   118  		return err
   119  	}
   120  	return cmd.WriteResult(&lsResultsWriter{policies})
   121  }