open-nomad/command/acl_policy_list.go

124 lines
2.6 KiB
Go

// Copyright (c) HashiCorp, Inc.
// SPDX-License-Identifier: MPL-2.0
package command
import (
"fmt"
"strings"
"github.com/hashicorp/nomad/api"
"github.com/posener/complete"
)
type ACLPolicyListCommand struct {
Meta
}
func (c *ACLPolicyListCommand) Help() string {
helpText := `
Usage: nomad acl policy list
List is used to list available ACL policies.
This command requires a management ACL token to view all policies. A
non-management token can query its own policies.
General Options:
` + generalOptionsUsage(usageOptsDefault|usageOptsNoNamespace) + `
List Options:
-json
Output the ACL policies in a JSON format.
-t
Format and display the ACL policies using a Go template.
`
return strings.TrimSpace(helpText)
}
func (c *ACLPolicyListCommand) AutocompleteFlags() complete.Flags {
return mergeAutocompleteFlags(c.Meta.AutocompleteFlags(FlagSetClient),
complete.Flags{
"-json": complete.PredictNothing,
"-t": complete.PredictAnything,
})
}
func (c *ACLPolicyListCommand) AutocompleteArgs() complete.Predictor {
return complete.PredictNothing
}
func (c *ACLPolicyListCommand) Synopsis() string {
return "List ACL policies"
}
func (c *ACLPolicyListCommand) Name() string { return "acl policy list" }
func (c *ACLPolicyListCommand) Run(args []string) int {
var json bool
var tmpl string
flags := c.Meta.FlagSet(c.Name(), FlagSetClient)
flags.Usage = func() { c.Ui.Output(c.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
args = flags.Args()
if l := len(args); l != 0 {
c.Ui.Error("This command takes no arguments")
c.Ui.Error(commandErrorText(c))
return 1
}
// Get the HTTP client
client, err := c.Meta.Client()
if err != nil {
c.Ui.Error(fmt.Sprintf("Error initializing client: %s", err))
return 1
}
// Fetch info on the policy
policies, _, err := client.ACLPolicies().List(nil)
if err != nil {
c.Ui.Error(fmt.Sprintf("Error listing ACL policies: %s", err))
return 1
}
if json || len(tmpl) > 0 {
out, err := Format(json, tmpl, policies)
if err != nil {
c.Ui.Error(err.Error())
return 1
}
c.Ui.Output(out)
return 0
}
c.Ui.Output(formatPolicies(policies))
return 0
}
func formatPolicies(policies []*api.ACLPolicyListStub) string {
if len(policies) == 0 {
return "No policies found"
}
output := make([]string, 0, len(policies)+1)
output = append(output, "Name|Description")
for _, p := range policies {
output = append(output, fmt.Sprintf("%s|%s", p.Name, p.Description))
}
return formatList(output)
}