github.com/Ilhicas/nomad@v1.0.4-0.20210304152020-e86851182bc3/command/acl_policy_list.go (about) 1 package command 2 3 import ( 4 "fmt" 5 "strings" 6 7 "github.com/hashicorp/nomad/api" 8 "github.com/posener/complete" 9 ) 10 11 type ACLPolicyListCommand struct { 12 Meta 13 } 14 15 func (c *ACLPolicyListCommand) Help() string { 16 helpText := ` 17 Usage: nomad acl policy list 18 19 List is used to list available ACL policies. 20 21 This command requires a management ACL token to view all policies. A 22 non-management token can query its own policies. 23 24 General Options: 25 26 ` + generalOptionsUsage(usageOptsDefault|usageOptsNoNamespace) + ` 27 28 List Options: 29 30 -json 31 Output the ACL policies in a JSON format. 32 33 -t 34 Format and display the ACL policies using a Go template. 35 ` 36 37 return strings.TrimSpace(helpText) 38 } 39 40 func (c *ACLPolicyListCommand) AutocompleteFlags() complete.Flags { 41 return mergeAutocompleteFlags(c.Meta.AutocompleteFlags(FlagSetClient), 42 complete.Flags{ 43 "-json": complete.PredictNothing, 44 "-t": complete.PredictAnything, 45 }) 46 } 47 48 func (c *ACLPolicyListCommand) AutocompleteArgs() complete.Predictor { 49 return complete.PredictNothing 50 } 51 52 func (c *ACLPolicyListCommand) Synopsis() string { 53 return "List ACL policies" 54 } 55 56 func (c *ACLPolicyListCommand) Name() string { return "acl policy list" } 57 58 func (c *ACLPolicyListCommand) Run(args []string) int { 59 var json bool 60 var tmpl string 61 62 flags := c.Meta.FlagSet(c.Name(), FlagSetClient) 63 flags.Usage = func() { c.Ui.Output(c.Help()) } 64 flags.BoolVar(&json, "json", false, "") 65 flags.StringVar(&tmpl, "t", "", "") 66 67 if err := flags.Parse(args); err != nil { 68 return 1 69 } 70 71 // Check that we got no arguments 72 args = flags.Args() 73 if l := len(args); l != 0 { 74 c.Ui.Error("This command takes no arguments") 75 c.Ui.Error(commandErrorText(c)) 76 return 1 77 } 78 79 // Get the HTTP client 80 client, err := c.Meta.Client() 81 if err != nil { 82 c.Ui.Error(fmt.Sprintf("Error initializing client: %s", err)) 83 return 1 84 } 85 86 // Fetch info on the policy 87 policies, _, err := client.ACLPolicies().List(nil) 88 if err != nil { 89 c.Ui.Error(fmt.Sprintf("Error listing ACL policies: %s", err)) 90 return 1 91 } 92 93 if json || len(tmpl) > 0 { 94 out, err := Format(json, tmpl, policies) 95 if err != nil { 96 c.Ui.Error(err.Error()) 97 return 1 98 } 99 100 c.Ui.Output(out) 101 return 0 102 } 103 104 c.Ui.Output(formatPolicies(policies)) 105 return 0 106 } 107 108 func formatPolicies(policies []*api.ACLPolicyListStub) string { 109 if len(policies) == 0 { 110 return "No policies found" 111 } 112 113 output := make([]string, 0, len(policies)+1) 114 output = append(output, "Name|Description") 115 for _, p := range policies { 116 output = append(output, fmt.Sprintf("%s|%s", p.Name, p.Description)) 117 } 118 119 return formatList(output) 120 }