open-consul/command/acl/authmethod/read/authmethod_read.go

122 lines
2.3 KiB
Go
Raw Normal View History

package authmethodread
import (
"flag"
"fmt"
"strings"
"github.com/hashicorp/consul/command/acl/authmethod"
"github.com/hashicorp/consul/command/flags"
"github.com/mitchellh/cli"
)
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
name string
showMeta bool
format string
}
func (c *cmd) init() {
c.flags = flag.NewFlagSet("", flag.ContinueOnError)
c.flags.BoolVar(
&c.showMeta,
"meta",
false,
"Indicates that auth method metadata such "+
"as the raft indices should be shown for each entry.",
)
c.flags.StringVar(
&c.name,
"name",
"",
"The name of the auth method to read.",
)
c.flags.StringVar(
&c.format,
"format",
authmethod.PrettyFormat,
fmt.Sprintf("Output format {%s}", strings.Join(authmethod.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.NamespaceFlags())
c.help = flags.Usage(help, c.flags)
}
func (c *cmd) Run(args []string) int {
if err := c.flags.Parse(args); err != nil {
return 1
}
if c.name == "" {
c.UI.Error(fmt.Sprintf("Must specify the -name parameter"))
return 1
}
client, err := c.http.APIClient()
if err != nil {
c.UI.Error(fmt.Sprintf("Error connecting to Consul agent: %s", err))
return 1
}
method, _, err := client.ACL().AuthMethodRead(c.name, nil)
if err != nil {
c.UI.Error(fmt.Sprintf("Error reading auth method %q: %v", c.name, err))
return 1
} else if method == nil {
c.UI.Error(fmt.Sprintf("Auth method not found with name %q", c.name))
return 1
}
formatter, err := authmethod.NewFormatter(c.format, c.showMeta)
if err != nil {
c.UI.Error(err.Error())
return 1
}
out, err := formatter.FormatAuthMethod(method)
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 auth method"
const help = `
Usage: consul acl auth-method read -name NAME [options]
Read an auth method:
$ consul acl auth-method read -name my-auth-method
`