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secrets_tune.go
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secrets_tune.go
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package command
import (
"flag"
"fmt"
"strconv"
"strings"
"time"
"github.com/hashicorp/vault/api"
"github.com/mitchellh/cli"
"github.com/posener/complete"
)
var (
_ cli.Command = (*SecretsTuneCommand)(nil)
_ cli.CommandAutocomplete = (*SecretsTuneCommand)(nil)
)
type SecretsTuneCommand struct {
*BaseCommand
flagAuditNonHMACRequestKeys []string
flagAuditNonHMACResponseKeys []string
flagDefaultLeaseTTL time.Duration
flagDescription string
flagListingVisibility string
flagMaxLeaseTTL time.Duration
flagPassthroughRequestHeaders []string
flagAllowedResponseHeaders []string
flagOptions map[string]string
flagVersion int
flagPluginVersion string
flagAllowedManagedKeys []string
}
func (c *SecretsTuneCommand) Synopsis() string {
return "Tune a secrets engine configuration"
}
func (c *SecretsTuneCommand) Help() string {
helpText := `
Usage: vault secrets tune [options] PATH
Tunes the configuration options for the secrets engine at the given PATH.
The argument corresponds to the PATH where the secrets engine is enabled,
not the TYPE!
Tune the default lease for the PKI secrets engine:
$ vault secrets tune -default-lease-ttl=72h pki/
` + c.Flags().Help()
return strings.TrimSpace(helpText)
}
func (c *SecretsTuneCommand) Flags() *FlagSets {
set := c.flagSet(FlagSetHTTP)
f := set.NewFlagSet("Command Options")
f.StringSliceVar(&StringSliceVar{
Name: flagNameAuditNonHMACRequestKeys,
Target: &c.flagAuditNonHMACRequestKeys,
Usage: "Key that will not be HMAC'd by audit devices in the request data " +
"object. To specify multiple values, specify this flag multiple times.",
})
f.StringSliceVar(&StringSliceVar{
Name: flagNameAuditNonHMACResponseKeys,
Target: &c.flagAuditNonHMACResponseKeys,
Usage: "Key that will not be HMAC'd by audit devices in the response data " +
"object. To specify multiple values, specify this flag multiple times.",
})
f.DurationVar(&DurationVar{
Name: "default-lease-ttl",
Target: &c.flagDefaultLeaseTTL,
Default: 0,
EnvVar: "",
Completion: complete.PredictAnything,
Usage: "The default lease TTL for this secrets engine. If unspecified, " +
"this defaults to the Vault server's globally configured default lease " +
"TTL, or a previously configured value for the secrets engine.",
})
f.StringVar(&StringVar{
Name: flagNameDescription,
Target: &c.flagDescription,
Usage: "Human-friendly description of this secret engine. This overrides the " +
"current stored value, if any.",
})
f.StringVar(&StringVar{
Name: flagNameListingVisibility,
Target: &c.flagListingVisibility,
Usage: "Determines the visibility of the mount in the UI-specific listing " +
"endpoint.",
})
f.DurationVar(&DurationVar{
Name: "max-lease-ttl",
Target: &c.flagMaxLeaseTTL,
Default: 0,
EnvVar: "",
Completion: complete.PredictAnything,
Usage: "The maximum lease TTL for this secrets engine. If unspecified, " +
"this defaults to the Vault server's globally configured maximum lease " +
"TTL, or a previously configured value for the secrets engine.",
})
f.StringSliceVar(&StringSliceVar{
Name: flagNamePassthroughRequestHeaders,
Target: &c.flagPassthroughRequestHeaders,
Usage: "Request header value that will be sent to the plugin. To specify " +
"multiple values, specify this flag multiple times.",
})
f.StringSliceVar(&StringSliceVar{
Name: flagNameAllowedResponseHeaders,
Target: &c.flagAllowedResponseHeaders,
Usage: "Response header value that plugins will be allowed to set. To " +
"specify multiple values, specify this flag multiple times.",
})
f.StringMapVar(&StringMapVar{
Name: "options",
Target: &c.flagOptions,
Completion: complete.PredictAnything,
Usage: "Key-value pair provided as key=value for the mount options. " +
"This can be specified multiple times.",
})
f.IntVar(&IntVar{
Name: "version",
Target: &c.flagVersion,
Default: 0,
Usage: "Select the version of the engine to run. Not supported by all engines.",
})
f.StringSliceVar(&StringSliceVar{
Name: flagNameAllowedManagedKeys,
Target: &c.flagAllowedManagedKeys,
Usage: "Managed key name(s) that the mount in question is allowed to access. " +
"Note that multiple keys may be specified by providing this option multiple times, " +
"each time with 1 key.",
})
f.StringVar(&StringVar{
Name: flagNamePluginVersion,
Target: &c.flagPluginVersion,
Default: "",
Usage: "Select the semantic version of the plugin to run. The new version must be registered in " +
"the plugin catalog, and will not start running until the plugin is reloaded.",
})
return set
}
func (c *SecretsTuneCommand) AutocompleteArgs() complete.Predictor {
return c.PredictVaultMounts()
}
func (c *SecretsTuneCommand) AutocompleteFlags() complete.Flags {
return c.Flags().Completions()
}
func (c *SecretsTuneCommand) 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
}
if c.flagVersion > 0 {
if c.flagOptions == nil {
c.flagOptions = make(map[string]string)
}
c.flagOptions["version"] = strconv.Itoa(c.flagVersion)
}
// Append a trailing slash to indicate it's a path in output
mountPath := ensureTrailingSlash(sanitizePath(args[0]))
mountConfigInput := api.MountConfigInput{
DefaultLeaseTTL: ttlToAPI(c.flagDefaultLeaseTTL),
MaxLeaseTTL: ttlToAPI(c.flagMaxLeaseTTL),
Options: c.flagOptions,
}
// Set these values only if they are provided in the CLI
f.Visit(func(fl *flag.Flag) {
if fl.Name == flagNameAuditNonHMACRequestKeys {
mountConfigInput.AuditNonHMACRequestKeys = c.flagAuditNonHMACRequestKeys
}
if fl.Name == flagNameAuditNonHMACResponseKeys {
mountConfigInput.AuditNonHMACResponseKeys = c.flagAuditNonHMACResponseKeys
}
if fl.Name == flagNameDescription {
mountConfigInput.Description = &c.flagDescription
}
if fl.Name == flagNameListingVisibility {
mountConfigInput.ListingVisibility = c.flagListingVisibility
}
if fl.Name == flagNamePassthroughRequestHeaders {
mountConfigInput.PassthroughRequestHeaders = c.flagPassthroughRequestHeaders
}
if fl.Name == flagNameAllowedResponseHeaders {
mountConfigInput.AllowedResponseHeaders = c.flagAllowedResponseHeaders
}
if fl.Name == flagNameAllowedManagedKeys {
mountConfigInput.AllowedManagedKeys = c.flagAllowedManagedKeys
}
if fl.Name == flagNamePluginVersion {
mountConfigInput.PluginVersion = c.flagPluginVersion
}
})
if err := client.Sys().TuneMount(mountPath, mountConfigInput); err != nil {
c.UI.Error(fmt.Sprintf("Error tuning secrets engine %s: %s", mountPath, err))
return 2
}
c.UI.Output(fmt.Sprintf("Success! Tuned the secrets engine at: %s", mountPath))
return 0
}