open-nomad/command/acl_role_list.go

124 lines
2.8 KiB
Go

package command
import (
"fmt"
"strings"
"github.com/hashicorp/nomad/api"
"github.com/mitchellh/cli"
"github.com/posener/complete"
)
// Ensure ACLRoleListCommand satisfies the cli.Command interface.
var _ cli.Command = &ACLRoleListCommand{}
// ACLRoleListCommand implements cli.Command.
type ACLRoleListCommand struct {
Meta
}
// Help satisfies the cli.Command Help function.
func (a *ACLRoleListCommand) Help() string {
helpText := `
Usage: nomad acl role list [options]
List is used to list existing ACL roles.
General Options:
` + generalOptionsUsage(usageOptsDefault|usageOptsNoNamespace) + `
ACL List Options:
-json
Output the ACL roles in a JSON format.
-t
Format and display the ACL roles using a Go template.
`
return strings.TrimSpace(helpText)
}
func (a *ACLRoleListCommand) AutocompleteFlags() complete.Flags {
return mergeAutocompleteFlags(a.Meta.AutocompleteFlags(FlagSetClient),
complete.Flags{
"-json": complete.PredictNothing,
"-t": complete.PredictAnything,
})
}
func (a *ACLRoleListCommand) AutocompleteArgs() complete.Predictor { return complete.PredictNothing }
// Synopsis satisfies the cli.Command Synopsis function.
func (a *ACLRoleListCommand) Synopsis() string { return "List ACL roles" }
// Name returns the name of this command.
func (a *ACLRoleListCommand) Name() string { return "acl role list" }
// Run satisfies the cli.Command Run function.
func (a *ACLRoleListCommand) Run(args []string) int {
var json bool
var tmpl string
flags := a.Meta.FlagSet(a.Name(), FlagSetClient)
flags.Usage = func() { a.Ui.Output(a.Help()) }
flags.BoolVar(&json, "json", false, "")
flags.StringVar(&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 policy
roles, _, err := client.ACLRoles().List(nil)
if err != nil {
a.Ui.Error(fmt.Sprintf("Error listing ACL roles: %s", err))
return 1
}
if json || len(tmpl) > 0 {
out, err := Format(json, tmpl, roles)
if err != nil {
a.Ui.Error(err.Error())
return 1
}
a.Ui.Output(out)
return 0
}
a.Ui.Output(formatACLRoles(roles))
return 0
}
func formatACLRoles(roles []*api.ACLRole) string {
if len(roles) == 0 {
return "No ACL roles found"
}
output := make([]string, 0, len(roles)+1)
output = append(output, "ID|Name|Description|Policies")
for _, role := range roles {
output = append(output, fmt.Sprintf(
"%s|%s|%s|%s",
role.ID, role.Name, role.Description, strings.Join(aclRolePolicyLinkToStringList(role.Policies), ",")))
}
return formatList(output)
}