consul/command/acl/token/read/token_read.go

168 lines
4.0 KiB
Go

package tokenread
import (
"flag"
"fmt"
"strings"
"github.com/mitchellh/cli"
"github.com/hashicorp/consul/api"
"github.com/hashicorp/consul/command/acl"
"github.com/hashicorp/consul/command/acl/token"
"github.com/hashicorp/consul/command/flags"
)
func New(ui cli.Ui) *cmd {
c := &cmd{UI: ui}
c.init()
return c
}
type cmd struct {
UI cli.Ui
flags *flag.FlagSet
http *flags.HTTPFlags
help string
tokenAccessorID string
self bool
showMeta bool
format string
expanded bool
tokenID string // DEPRECATED
}
func (c *cmd) init() {
c.flags = flag.NewFlagSet("", flag.ContinueOnError)
c.flags.BoolVar(&c.showMeta, "meta", false, "Indicates that token metadata such "+
"as the content hash and Raft indices should be shown for each entry")
c.flags.BoolVar(&c.self, "self", false, "Indicates that the current HTTP token "+
"should be read by secret ID instead of expecting a -accessor-id option")
c.flags.BoolVar(&c.expanded, "expanded", false, "Indicates that the contents of the "+
" policies and roles affecting the token should also be shown.")
c.flags.StringVar(&c.tokenAccessorID, "accessor-id", "", "The Accessor ID of the token to read. "+
"It may be specified as a unique ID prefix but will error if the prefix "+
"matches multiple token Accessor IDs")
c.flags.StringVar(
&c.format,
"format",
token.PrettyFormat,
fmt.Sprintf("Output format {%s}", strings.Join(token.GetSupportedFormats(), "|")),
)
c.http = &flags.HTTPFlags{}
flags.Merge(c.flags, c.http.ClientFlags())
flags.Merge(c.flags, c.http.ServerFlags())
flags.Merge(c.flags, c.http.MultiTenancyFlags())
c.help = flags.Usage(help, c.flags)
// Deprecations
c.flags.StringVar(&c.tokenID, "id", "",
"DEPRECATED. Use -accessor-id instead.")
}
func (c *cmd) Run(args []string) int {
if err := c.flags.Parse(args); err != nil {
return 1
}
tokenAccessor := c.tokenAccessorID
if tokenAccessor == "" {
if c.tokenID == "" {
c.UI.Error("Must specify the -accessor-id parameter")
return 1
} else {
tokenAccessor = c.tokenID
c.UI.Warn("Use the -accessor-id parameter to specify token by Accessor ID")
}
}
client, err := c.http.APIClient()
if err != nil {
c.UI.Error(fmt.Sprintf("Error connecting to Consul agent: %s", err))
return 1
}
var t *api.ACLToken
var expanded *api.ACLTokenExpanded
if !c.self {
tok, err := acl.GetTokenAccessorIDFromPartial(client, tokenAccessor)
if err != nil {
c.UI.Error(fmt.Sprintf("Error determining token ID: %v", err))
return 1
}
if !c.expanded {
t, _, err = client.ACL().TokenRead(tok, nil)
} else {
expanded, _, err = client.ACL().TokenReadExpanded(tok, nil)
}
if err != nil {
c.UI.Error(fmt.Sprintf("Error reading token %q: %v", tok, err))
return 1
}
} else {
// TODO: consider updating this CLI command and underlying HTTP API endpoint
// to support expanded read of a "self" token, which is a much better user workflow.
if c.expanded {
c.UI.Error("Cannot use both -expanded and -self. Instead, use -expanded and -accessor-id=<accessor id>.")
return 1
}
t, _, err = client.ACL().TokenReadSelf(nil)
if err != nil {
c.UI.Error(fmt.Sprintf("Error reading token: %v", err))
return 1
}
}
formatter, err := token.NewFormatter(c.format, c.showMeta)
if err != nil {
c.UI.Error(err.Error())
return 1
}
var out string
if !c.expanded {
out, err = formatter.FormatToken(t)
} else {
out, err = formatter.FormatTokenExpanded(expanded)
}
if err != nil {
c.UI.Error(err.Error())
return 1
}
if out != "" {
c.UI.Info(out)
}
return 0
}
func (c *cmd) Synopsis() string {
return synopsis
}
func (c *cmd) Help() string {
return flags.Usage(c.help, nil)
}
const (
synopsis = "Read an ACL token"
help = `
Usage: consul acl token read [options] -accessor-id TOKENID
This command will retrieve and print out the details of
a single token.
Using a partial ID:
$ consul acl token read -accessor-id 4be56c77-82
Using the full ID:
$ consul acl token read -accessor-id 4be56c77-8244-4c7d-b08c-667b8c71baed
`
)