HADOOP-12786. "hadoop key" command usage is not documented. Contributed by Xiao Chen.

This commit is contained in:
Akira Ajisaka 2016-02-15 11:38:25 +09:00
parent dea90c9a86
commit 1c48e50ce7
3 changed files with 17 additions and 2 deletions

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@ -1809,6 +1809,9 @@ Release 2.7.2 - 2016-01-25
HADOOP-12415. Fixed pom files to correctly include compile-time dependency on
netty. (Tom Zeng via cos)
HADOOP-12786. "hadoop key" command usage is not documented.
(Xiao Chen via aajisaka)
Release 2.7.1 - 2015-07-06
INCOMPATIBLE CHANGES

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@ -372,7 +372,7 @@ private class DeleteCommand extends Command {
public static final String DESC =
"The delete subcommand deletes all versions of the key\n" +
"specified by the <keyname> argument from within the\n" +
"provider specified -provider. The command asks for\n" +
"provider specified by -provider. The command asks for\n" +
"user confirmation unless -f is specified.";
String keyName = null;

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@ -188,7 +188,19 @@ Example: `hadoop kerbname user@EXAMPLE.COM`
### `key`
Manage keys via the KeyProvider.
Usage: `hadoop key <subcommand> [options]`
| COMMAND\_OPTION | Description |
|:---- |:---- |
| create *keyname* [-cipher *cipher*] [-size *size*] [-description *description*] [-attr *attribute=value*] [-provider *provider*] [-help] | Creates a new key for the name specified by the *keyname* argument within the provider specified by the `-provider` argument. You may specify a cipher with the `-cipher` argument. The default cipher is currently "AES/CTR/NoPadding". The default keysize is 128. You may specify the requested key length using the `-size` argument. Arbitrary attribute=value style attributes may be specified using the `-attr` argument. `-attr` may be specified multiple times, once per attribute. |
| roll *keyname* [-provider *provider*] [-help] | Creates a new version for the specified key within the provider indicated using the `-provider` argument |
| delete *keyname* [-provider *provider*] [-f] [-help] | Deletes all versions of the key specified by the *keyname* argument from within the provider specified by `-provider`. The command asks for user confirmation unless `-f` is specified. |
| list [-provider *provider*] [-metadata] [-help] | Displays the keynames contained within a particular provider as configured in core-site.xml or specified with the `-provider` argument. `-metadata` displays the metadata. |
| -help | Prints usage of this command |
Manage keys via the KeyProvider. For details on KeyProviders, see the [Transparent Encryption Guide](../hadoop-hdfs/TransparentEncryption.html).
NOTE: Some KeyProviders (e.g. org.apache.hadoop.crypto.key.JavaKeyStoreProvider) does not support uppercase key names.
### `trace`