system: Make service procedures non-monadic.

* gnu/services/avahi.scm (configuration-file): Use 'plain-file' instead
  of 'text-file'.
  (avahi-service): Turn into a regular procedure that returns a <service>.
* gnu/services/base.scm (root-file-system-service, file-system-service,
  user-unmount-service, user-processes-service, host-name-service,
  console-keymap-service, console-font-service, mingetty-service,
  nscd.conf-file, nscd-service): Likewise.
  (%default-syslog.conf): New variable.
  (syslog-service): Use it.  Turn into a regular procedure.
  (guix-service, udev-rules-union, kvm-udev-rule, udev-service,
  device-mapping-service, swap-service): Likewise.
* gnu/services/databases.scm (%default-postgres-hba,
  %default-postgres-ident): Use 'plain-file' instead of 'text-file'.
  (%default-postgres-config): Use 'mixed-text-file' instead of
  'text-file*'.
  (postgresql-service):  Use 'program-file' instead of 'gexp->script'.
  Turn into a regular procedure.
* gnu/services/desktop.scm (dbus-configuration-directory): Use
  'computed-file' instead of 'gexp->derivation'.
  (upower-configuration-file, geoclue-configuration-file,
  elogind-configuration-file): Use 'plain-file' instead of 'text-file'.
  (dbus-service, upower-service, colord-service, geoclue-service,
  polkit-service, elogind-service): Turn into regular procedures.
  (%desktop-services): Remove use of 'mlet' when iterating on
  %BASE-SERVICES.
* gnu/services/lirc.scm (lirc-service): Turn into a regular procedure.
* gnu/services/networking.scm (static-networking-service,
  dhcp-client-service, ntp-service, tor-service, bitlbee-service,
  wicd-service): Likewise.
* gnu/services/ssh.scm (lsh-service): Likewise.
* gnu/services/web.scm (nginx-service): Likewise.
* gnu/services/xorg.scm (xorg-configuration-file): Use 'mixed-text-file'
  instead of 'text-file*'.
  (xorg-start-command, slim-service): Turn into regular procedures.
  (xinitrc): Use 'program-file' instead of 'gexp->script'.
* gnu/system/install.scm (cow-store-service,
  configuration-template-service): Turn into regular procedures.
* gnu/system.scm (other-file-system-services, device-mapping-services,
  swap-services, essential-services, operating-system-services,
  user-shells, operating-system-accounts): Remove now unnecessary
  'mlet' and turn into regular procedures.
  (operating-system-etc-directory, operating-system-activation-script,
  operating-system-boot-script): Adjust accordingly.
* doc/guix.texi (Base Services, Networking Services, X Window, Desktop
  Services, Database Services, Web Services, Various Services, Name
  Service Switch): Adjust accordingly.
This commit is contained in:
Ludovic Courtès 2015-09-09 09:17:31 +02:00
parent ce8a6dfc43
commit be1c2c54d9
12 changed files with 1071 additions and 1153 deletions

View file

@ -163,32 +163,31 @@ current store is on a RAM disk."
"Return a service that makes the store copy-on-write, such that writes go to
the user's target storage device rather than on the RAM disk."
;; See <http://bugs.gnu.org/18061> for the initial report.
(with-monad %store-monad
(return (service
(requirement '(root-file-system user-processes))
(provision '(cow-store))
(documentation
"Make the store copy-on-write, with writes going to \
(service
(requirement '(root-file-system user-processes))
(provision '(cow-store))
(documentation
"Make the store copy-on-write, with writes going to \
the given target.")
;; This is meant to be explicitly started by the user.
(auto-start? #f)
;; This is meant to be explicitly started by the user.
(auto-start? #f)
(start #~(case-lambda
((target)
#$(make-cow-store #~target)
target)
(else
;; Do nothing, and mark the service as stopped.
#f)))
(stop #~(lambda (target)
;; Delete the temporary directory, but leave everything
;; mounted as there may still be processes using it
;; since 'user-processes' doesn't depend on us. The
;; 'user-unmount' service will unmount TARGET
;; eventually.
(delete-file-recursively
(string-append target #$%backing-directory))))))))
(start #~(case-lambda
((target)
#$(make-cow-store #~target)
target)
(else
;; Do nothing, and mark the service as stopped.
#f)))
(stop #~(lambda (target)
;; Delete the temporary directory, but leave everything
;; mounted as there may still be processes using it
;; since 'user-processes' doesn't depend on us. The
;; 'user-unmount' service will unmount TARGET
;; eventually.
(delete-file-recursively
(string-append target #$%backing-directory))))))
(define (configuration-template-service)
"Return a dummy service whose purpose is to install an operating system
@ -204,25 +203,24 @@ configuration template file in the installation system."
'(("gnu/system/examples/bare-bones.tmpl" -> "bare-bones.scm")
("gnu/system/examples/desktop.tmpl" -> "desktop.scm"))))
(with-monad %store-monad
(return (service
(requirement '(root-file-system))
(provision '(os-config-template))
(documentation
"This dummy service installs an OS configuration template.")
(start #~(const #t))
(stop #~(const #f))
(activate
#~(begin
(use-modules (ice-9 match)
(guix build utils))
(service
(requirement '(root-file-system))
(provision '(os-config-template))
(documentation
"This dummy service installs an OS configuration template.")
(start #~(const #t))
(stop #~(const #f))
(activate
#~(begin
(use-modules (ice-9 match)
(guix build utils))
(mkdir-p "/etc/configuration")
(for-each (match-lambda
((file target)
(unless (file-exists? target)
(copy-file file target))))
'#$templates)))))))
(mkdir-p "/etc/configuration")
(for-each (match-lambda
((file target)
(unless (file-exists? target)
(copy-file file target))))
'#$templates)))))
(define %nscd-minimal-caches
;; Minimal in-memory caching policy for nscd.