github.com/anth0d/nomad@v0.0.0-20221214183521-ae3a0a2cad06/command/quota_list.go (about) 1 package command 2 3 import ( 4 "fmt" 5 "sort" 6 "strings" 7 8 "github.com/hashicorp/nomad/api" 9 "github.com/posener/complete" 10 ) 11 12 type QuotaListCommand struct { 13 Meta 14 } 15 16 func (c *QuotaListCommand) Help() string { 17 helpText := ` 18 Usage: nomad quota list [options] 19 20 List is used to list available quota specifications. 21 22 If ACLs are enabled, this command requires a token with the 'quota:read' 23 capability. Any quotas applied to namespaces that the token does not have 24 access to will be filtered from the results. 25 26 General Options: 27 28 ` + generalOptionsUsage(usageOptsDefault) + ` 29 30 List Options: 31 32 -json 33 Output the quota specifications in a JSON format. 34 35 -t 36 Format and display the quota specifications using a Go template. 37 ` 38 return strings.TrimSpace(helpText) 39 } 40 41 func (c *QuotaListCommand) AutocompleteFlags() complete.Flags { 42 return mergeAutocompleteFlags(c.Meta.AutocompleteFlags(FlagSetClient), 43 complete.Flags{ 44 "-json": complete.PredictNothing, 45 "-t": complete.PredictAnything, 46 }) 47 } 48 49 func (c *QuotaListCommand) AutocompleteArgs() complete.Predictor { 50 return complete.PredictNothing 51 } 52 53 func (c *QuotaListCommand) Synopsis() string { 54 return "List quota specifications" 55 } 56 57 func (c *QuotaListCommand) Name() string { return "quota list" } 58 func (c *QuotaListCommand) 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 quotas, _, err := client.Quotas().List(nil) 87 if err != nil { 88 c.Ui.Error(fmt.Sprintf("Error retrieving quotas: %s", err)) 89 return 1 90 } 91 92 if json || len(tmpl) > 0 { 93 out, err := Format(json, tmpl, quotas) 94 if err != nil { 95 c.Ui.Error(err.Error()) 96 return 1 97 } 98 99 c.Ui.Output(out) 100 return 0 101 } 102 103 c.Ui.Output(formatQuotaSpecs(quotas)) 104 return 0 105 } 106 107 func formatQuotaSpecs(quotas []*api.QuotaSpec) string { 108 if len(quotas) == 0 { 109 return "No quotas found" 110 } 111 112 // Sort the output by quota name 113 sort.Slice(quotas, func(i, j int) bool { return quotas[i].Name < quotas[j].Name }) 114 115 rows := make([]string, len(quotas)+1) 116 rows[0] = "Name|Description" 117 for i, qs := range quotas { 118 rows[i+1] = fmt.Sprintf("%s|%s", 119 qs.Name, 120 qs.Description) 121 } 122 return formatList(rows) 123 }