25.5.24 ndb_secretsfile_reader — Obtain Key Information from an Encrypted NDB Data File

ndb_secretsfile_reader gets the encryption key from an NDB encryption secrets file, given the password.

Usage

ndb_secretsfile_reader options file

The options must include one of --filesystem-password or --filesystem-password-from-stdin, and the encryption password must be supplied, as shown here:

> ndb_secretsfile_reader --filesystem-password=54kl14 ndb_5_fs/D1/NDBCNTR/S0.sysfile
ndb_secretsfile_reader: [Warning] Using a password on the command line interface can be insecure.
cac256e18b2ddf6b5ef82d99a72f18e864b78453cc7fa40bfaf0c40b91122d18

These and other options that can be used with ndb_secretsfile_reader are shown in the following table. Additional descriptions follow the table.

Table 25.45 Command-line options used with the program ndb_secretsfile_reader

Format	Description	Added, Deprecated, or Removed
--defaults-extra-file=path	Read given file after global files are read	(Supported in all NDB releases based on MySQL 8.0)
--defaults-file=path	Read default options from given file only	(Supported in all NDB releases based on MySQL 8.0)
--defaults-group-suffix=string	Also read groups with concat(group, suffix)	(Supported in all NDB releases based on MySQL 8.0)
--filesystem-password=password	Password for node file system encryption; can be passed from stdin, tty, or my.cnf file	ADDED: 8.0.31
--filesystem-password-from-stdin={TRUE|FALSE}	Get encryption password from stdin	ADDED: 8.0.31
--help, -?	Display help text and exit	(Supported in all NDB releases based on MySQL 8.0)
--login-path=path	Read given path from login file	(Supported in all NDB releases based on MySQL 8.0)
--no-defaults	Do not read default options from any option file other than login file	(Supported in all NDB releases based on MySQL 8.0)
--print-defaults	Print program argument list and exit	(Supported in all NDB releases based on MySQL 8.0)
--usage, -?	Display help text and exit; same as --help	(Supported in all NDB releases based on MySQL 8.0)
--version, -V	Display version information and exit	(Supported in all NDB releases based on MySQL 8.0)

• --defaults-extra-file

  Command-Line Format	--defaults-extra-file=path
  Type	String
  Default Value	[none]

  Read given file after global files are read.

• --defaults-file

  Command-Line Format	--defaults-file=path
  Type	String
  Default Value	[none]

  Read default options from given file only.

• --defaults-group-suffix

  Command-Line Format	--defaults-group-suffix=string
  Type	String
  Default Value	[none]

  Also read groups with concat(group, suffix).

• --filesystem-password

  Command-Line Format	--filesystem-password=password
  Introduced	8.0.31

  Pass the filesystem encryption and decryption password to ndb_secretsfile_reader using stdin, tty, or the my.cnf file.

• --filesystem-password-from-stdin

  Command-Line Format	--filesystem-password-from-stdin={TRUE|FALSE}
  Introduced	8.0.31

  Pass the filesystem encryption and decryption password to ndb_secretsfile_reader from stdin (only).

• --help

  Command-Line Format	--help

  Display help text and exit.

• --login-path

  Command-Line Format	--login-path=path
  Type	String
  Default Value	[none]

  Read given path from login file.

• --no-defaults

  Command-Line Format	--no-defaults

  Do not read default options from any option file other than login file.

• --print-defaults

  Command-Line Format	--print-defaults

  Print program argument list and exit.

• --usage

  Command-Line Format	--usage

  Display help text and exit; same as --help.

• --version

  Command-Line Format	--version

  Display version information and exit.

ndb_secretsfile_reader was added in NDB 8.0.31.