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services: base: Deprecate 'rngd-service' procedure. 

* doc/guix.texi (Base Services): Replace rngd-service with rngd-service-type.
Document <rngd-configuration>.
* gnu/services/base.scm (<rngd-configuration>): Set default values from
the values in the now deprecated 'rngd-service' procedure.
(rngd-service): Deprecate procedure.
(rngd-service-type): Set default value.

Signed-off-by: Ludovic Courtès <ludo@gnu.org>
Bruno Victal 2023-02-25 18:57:55 +00:00 committed by Ludovic Courtès
parent 2e7516168e
commit 31b1e22926
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2 changed files with 27 additions and 13 deletions
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25
doc/guix.texi
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@ -18919,13 +18919,24 @@ seconds for the negative lookups. @xref{Invoking guix publish,
@end table
@end deftp
@anchor{rngd-service}
@deffn {Scheme Procedure} rngd-service [#:rng-tools @var{rng-tools}] @
[#:device "/dev/hwrng"]
Return a service that runs the @command{rngd} program from @var{rng-tools}
to add @var{device} to the kernel's entropy pool. The service will fail if
@var{device} does not exist.
@end deffn
@defvar rngd-service-type
Type of the service that runs rng-tools rngd, whose value is a
@code{<rngd-configuration>} object.
@end defvar
@deftp {Data Type} rngd-configuration
Data type representing the configuration of rngd.
@table @asis
@item @code{rng-tools} (default: @code{rng-tools}) (type: file-like)
Package object of the rng-tools rngd.
@item @code{device} (default: @var{"/dev/hwrng"}) (type: string)
Path of the device to add to the kernel's entropy pool. The service
will fail if @var{device} does not exist.
@end table
@end deftp
@anchor{pam-limits-service}
@cindex session limits

15
gnu/services/base.scm
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@ -239,7 +239,7 @@
rngd-configuration
rngd-configuration?
rngd-service-type
rngd-service
rngd-service ; deprecated
kmscon-configuration
kmscon-configuration?
@ -662,8 +662,10 @@ down.")))
(define-record-type* <rngd-configuration>
rngd-configuration make-rngd-configuration
rngd-configuration?
(rng-tools rngd-configuration-rng-tools) ;file-like
(device rngd-configuration-device)) ;string
(rng-tools rngd-configuration-rng-tools ;file-like
(default rng-tools))
(device rngd-configuration-device ;string
(default "/dev/hwrng")))
(define rngd-service-type
(shepherd-service-type
@ -682,12 +684,13 @@ down.")))
(provision '(trng))
(start #~(make-forkexec-constructor '#$rngd-command))
(stop #~(make-kill-destructor))))
(rngd-configuration)
(description "Run the @command{rngd} random number generation daemon to
supply entropy to the kernel's pool.")))
(define* (rngd-service #:key
(rng-tools rng-tools)
(device "/dev/hwrng"))
(define-deprecated (rngd-service #:key (rng-tools rng-tools)
(device "/dev/hwrng"))
rngd-service-type
"Return a service that runs the @command{rngd} program from @var{rng-tools}
to add @var{device} to the kernel's entropy pool. The service will fail if
@var{device} does not exist."