open-vault/command/kv_metadata_put.go
2018-10-22 15:22:43 -04:00

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package command
import (
"fmt"
"io"
"strings"
"github.com/mitchellh/cli"
"github.com/posener/complete"
)
var _ cli.Command = (*KVMetadataPutCommand)(nil)
var _ cli.CommandAutocomplete = (*KVMetadataPutCommand)(nil)
type KVMetadataPutCommand struct {
*BaseCommand
flagMaxVersions int
flagCASRequired bool
testStdin io.Reader // for tests
}
func (c *KVMetadataPutCommand) Synopsis() string {
return "Sets or updates key settings in the KV store"
}
func (c *KVMetadataPutCommand) Help() string {
helpText := `
Usage: vault metadata kv put [options] KEY
This command can be used to create a blank key in the key-value store or to
update key configuration for a specified key.
Create a key in the key-value store with no data:
$ vault kv metadata put secret/foo
Set a max versions setting on the key:
$ vault kv metadata put -max-versions=5 secret/foo
Require Check-and-Set for this key:
$ vault kv metadata put -cas-required secret/foo
Additional flags and more advanced use cases are detailed below.
` + c.Flags().Help()
return strings.TrimSpace(helpText)
}
func (c *KVMetadataPutCommand) Flags() *FlagSets {
set := c.flagSet(FlagSetHTTP | FlagSetOutputFormat)
// Common Options
f := set.NewFlagSet("Common Options")
f.IntVar(&IntVar{
Name: "max-versions",
Target: &c.flagMaxVersions,
Default: 0,
Usage: `The number of versions to keep. If not set, the backends configured max version is used.`,
})
f.BoolVar(&BoolVar{
Name: "cas-required",
Target: &c.flagCASRequired,
Default: false,
Usage: `If true the key will require the cas parameter to be set on all write requests. If false, the backends configuration will be used.`,
})
return set
}
func (c *KVMetadataPutCommand) AutocompleteArgs() complete.Predictor {
return nil
}
func (c *KVMetadataPutCommand) AutocompleteFlags() complete.Flags {
return c.Flags().Completions()
}
func (c *KVMetadataPutCommand) 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 {
case len(args) < 1:
c.UI.Error(fmt.Sprintf("Not enough arguments (expected 1, got %d)", len(args)))
return 1
case len(args) > 1:
c.UI.Error(fmt.Sprintf("Too many arguments (expected 1, got %d)", len(args)))
return 1
}
client, err := c.Client()
if err != nil {
c.UI.Error(err.Error())
return 2
}
path := sanitizePath(args[0])
mountPath, v2, err := isKVv2(path, client)
if err != nil {
c.UI.Error(err.Error())
return 2
}
if !v2 {
c.UI.Error("Metadata not supported on KV Version 1")
return 1
}
path = addPrefixToVKVPath(path, mountPath, "metadata")
data := map[string]interface{}{
"max_versions": c.flagMaxVersions,
"cas_required": c.flagCASRequired,
}
secret, err := client.Logical().Write(path, data)
if err != nil {
c.UI.Error(fmt.Sprintf("Error writing data to %s: %s", path, err))
if secret != nil {
OutputSecret(c.UI, secret)
}
return 2
}
if secret == nil {
// Don't output anything unless using the "table" format
if Format(c.UI) == "table" {
c.UI.Info(fmt.Sprintf("Success! Data written to: %s", path))
}
return 0
}
return OutputSecret(c.UI, secret)
}