open-vault/command/policy_list.go
2017-10-24 09:29:37 -04:00

106 lines
2.2 KiB
Go

package command
import (
"fmt"
"strings"
"github.com/mitchellh/cli"
"github.com/posener/complete"
)
// Ensure we are implementing the right interfaces.
var _ cli.Command = (*PolicyListCommand)(nil)
var _ cli.CommandAutocomplete = (*PolicyListCommand)(nil)
// PolicyListCommand is a Command that enables a new endpoint.
type PolicyListCommand struct {
*BaseCommand
}
func (c *PolicyListCommand) Synopsis() string {
return "Lists the installed policies"
}
func (c *PolicyListCommand) Help() string {
helpText := `
Usage: vault policies [options] [NAME]
Lists the policies that are installed on the Vault server. If the optional
argument is given, this command returns the policy's contents.
List all policies stored in Vault:
$ vault policies
Read the contents of the policy named "my-policy":
$ vault policies my-policy
For a full list of examples, please see the documentation.
` + c.Flags().Help()
return strings.TrimSpace(helpText)
}
func (c *PolicyListCommand) Flags() *FlagSets {
return c.flagSet(FlagSetHTTP)
}
func (c *PolicyListCommand) AutocompleteArgs() complete.Predictor {
return c.PredictVaultPolicies()
}
func (c *PolicyListCommand) AutocompleteFlags() complete.Flags {
return c.Flags().Completions()
}
func (c *PolicyListCommand) Run(args []string) int {
f := c.Flags()
if err := f.Parse(args); err != nil {
c.UI.Error(err.Error())
return 1
}
args = f.Args()
switch len(args) {
case 0, 1:
default:
c.UI.Error(fmt.Sprintf("Too many arguments (expected 0-2, got %d)", len(args)))
return 1
}
client, err := c.Client()
if err != nil {
c.UI.Error(err.Error())
return 2
}
switch len(args) {
case 0:
policies, err := client.Sys().ListPolicies()
if err != nil {
c.UI.Error(fmt.Sprintf("Error listing policies: %s", err))
return 2
}
for _, p := range policies {
c.UI.Output(p)
}
case 1:
name := strings.ToLower(strings.TrimSpace(args[0]))
rules, err := client.Sys().GetPolicy(name)
if err != nil {
c.UI.Error(fmt.Sprintf("Error reading policy %s: %s", name, err))
return 2
}
if rules == "" {
c.UI.Error(fmt.Sprintf("Error reading policy: no policy named: %s", name))
return 2
}
c.UI.Output(strings.TrimSpace(rules))
}
return 0
}