open-vault/command/kv_put.go

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package command
import (
"fmt"
"io"
"os"
"strings"
"github.com/mitchellh/cli"
"github.com/posener/complete"
)
var _ cli.Command = (*KVPutCommand)(nil)
var _ cli.CommandAutocomplete = (*KVPutCommand)(nil)
type KVPutCommand struct {
*BaseCommand
flagCAS int
testStdin io.Reader // for tests
}
func (c *KVPutCommand) Synopsis() string {
return "Sets or updates data in the KV store"
}
func (c *KVPutCommand) Help() string {
helpText := `
Usage: vault kv put [options] KEY [DATA]
Writes the data to the given path in the key-value store. The data can be of
any type.
$ vault kv put secret/foo bar=baz
The data can also be consumed from a file on disk by prefixing with the "@"
symbol. For example:
$ vault kv put secret/foo @data.json
Or it can be read from stdin using the "-" symbol:
$ echo "abcd1234" | vault kv put secret/foo bar=-
To perform a Check-And-Set operation, specify the -cas flag with the
appropriate version number corresponding to the key you want to perform
the CAS operation on:
$ vault kv put -cas=1 secret/foo bar=baz
Additional flags and more advanced use cases are detailed below.
` + c.Flags().Help()
return strings.TrimSpace(helpText)
}
func (c *KVPutCommand) Flags() *FlagSets {
set := c.flagSet(FlagSetHTTP | FlagSetOutputField | FlagSetOutputFormat)
// Common Options
f := set.NewFlagSet("Common Options")
f.IntVar(&IntVar{
Name: "cas",
Target: &c.flagCAS,
Default: -1,
Usage: `Specifies to use a Check-And-Set operation. If not set the write
will be allowed. If set to 0 a write will only be allowed if the key
doesnt exist. If the index is non-zero the write will only be allowed
if the keys current version matches the version specified in the cas
parameter.`,
})
return set
}
func (c *KVPutCommand) AutocompleteArgs() complete.Predictor {
return nil
}
func (c *KVPutCommand) AutocompleteFlags() complete.Flags {
return c.Flags().Completions()
}
func (c *KVPutCommand) Run(args []string) int {
f := c.Flags()
if err := f.Parse(args); err != nil {
c.UI.Error(err.Error())
return 1
}
args = f.Args()
// Pull our fake stdin if needed
stdin := (io.Reader)(os.Stdin)
if c.testStdin != nil {
stdin = c.testStdin
}
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("Must supply data")
return 1
}
var err error
path := sanitizePath(args[0])
client, err := c.Client()
if err != nil {
c.UI.Error(err.Error())
return 2
}
data, err := parseArgsData(stdin, args[1:])
if err != nil {
c.UI.Error(fmt.Sprintf("Failed to parse K=V data: %s", err))
return 1
}
mountPath, v2, err := isKVv2(path, client)
if err != nil {
c.UI.Error(err.Error())
return 2
}
if v2 {
path = addPrefixToVKVPath(path, mountPath, "data")
data = map[string]interface{}{
"data": data,
"options": map[string]interface{}{},
}
if c.flagCAS > -1 {
data["options"].(map[string]interface{})["cas"] = c.flagCAS
}
}
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
}
if c.flagField != "" {
return PrintRawField(c.UI, secret, c.flagField)
}
return OutputSecret(c.UI, secret)
}