open-nomad/command/acl_auth_method_list.go

129 lines
3.0 KiB
Go

// Copyright (c) HashiCorp, Inc.
// SPDX-License-Identifier: MPL-2.0
package command
import (
"fmt"
"strings"
"github.com/hashicorp/nomad/api"
"github.com/mitchellh/cli"
"github.com/posener/complete"
)
// Ensure ACLAuthMethodListCommand satisfies the cli.Command interface.
var _ cli.Command = &ACLAuthMethodListCommand{}
// ACLAuthMethodListCommand implements cli.Command.
type ACLAuthMethodListCommand struct {
Meta
json bool
tmpl string
}
// Help satisfies the cli.Command Help function.
func (a *ACLAuthMethodListCommand) Help() string {
helpText := `
Usage: nomad acl auth-method list [options]
List is used to list existing ACL auth methods.
General Options:
` + generalOptionsUsage(usageOptsDefault|usageOptsNoNamespace) + `
ACL List Options:
-json
Output the ACL auth methods in a JSON format.
-t
Format and display the ACL auth methods using a Go template.
`
return strings.TrimSpace(helpText)
}
func (a *ACLAuthMethodListCommand) AutocompleteFlags() complete.Flags {
return mergeAutocompleteFlags(a.Meta.AutocompleteFlags(FlagSetClient),
complete.Flags{
"-json": complete.PredictNothing,
"-t": complete.PredictAnything,
})
}
func (a *ACLAuthMethodListCommand) AutocompleteArgs() complete.Predictor {
return complete.PredictNothing
}
// Synopsis satisfies the cli.Command Synopsis function.
func (a *ACLAuthMethodListCommand) Synopsis() string { return "List ACL auth methods" }
// Name returns the name of this command.
func (a *ACLAuthMethodListCommand) Name() string { return "acl auth-method list" }
// Run satisfies the cli.Command Run function.
func (a *ACLAuthMethodListCommand) Run(args []string) int {
flags := a.Meta.FlagSet(a.Name(), FlagSetClient)
flags.Usage = func() { a.Ui.Output(a.Help()) }
flags.BoolVar(&a.json, "json", false, "")
flags.StringVar(&a.tmpl, "t", "", "")
if err := flags.Parse(args); err != nil {
return 1
}
// Check that we got no arguments
if len(flags.Args()) != 0 {
a.Ui.Error("This command takes no arguments")
a.Ui.Error(commandErrorText(a))
return 1
}
// Get the HTTP client
client, err := a.Meta.Client()
if err != nil {
a.Ui.Error(fmt.Sprintf("Error initializing client: %s", err))
return 1
}
// Fetch info on the method
methods, _, err := client.ACLAuthMethods().List(nil)
if err != nil {
a.Ui.Error(fmt.Sprintf("Error listing ACL auth methods: %s", err))
return 1
}
if a.json || len(a.tmpl) > 0 {
out, err := Format(a.json, a.tmpl, methods)
if err != nil {
a.Ui.Error(err.Error())
return 1
}
a.Ui.Output(out)
return 0
}
a.Ui.Output(formatAuthMethods(methods))
return 0
}
func formatAuthMethods(methods []*api.ACLAuthMethodListStub) string {
if len(methods) == 0 {
return "No ACL auth methods found"
}
output := make([]string, 0, len(methods)+1)
output = append(output, "Name|Type|Default")
for _, method := range methods {
output = append(output, fmt.Sprintf(
"%s|%s|%v",
method.Name, method.Type, method.Default))
}
return formatList(output)
}