| 2015-10-10 | services: Introduce extensible services....This patch rewrites GuixSD services to make them extensible.
* gnu-system.am (GNU_SYSTEM_MODULES): Add gnu/services/dbus.scm.
* gnu/services.scm (<service>): Replace with new record type.
(<service-extension>, <service-type>): New record types.
(write-service-type, compute-boot-script, second-argument): New
procedures.
(%boot-service, boot-service-type): New variables.
(file-union, directory-union, modprobe-wrapper,
activation-service->script, activation-script,
gexps->activation-gexp): New procedures.
(activation-service-type, %activation-service): New variables.
(etc-directory, files->etc-directory, etc-service): New procedures.
(etc-service-type, setuid-program-service, firmware-service-type): New
variables.
(firmware->activation-gexp): New procedure.
(&service-error, &missing-target-service-error,
&ambiguous-target-service-error): New condition types.
(service-back-edges, fold-services): New procedures.
* gnu/services/avahi.scm (<avahi-configuration>): New record type.
(configuration-file): Replace keyword parameters with a single
'config' parameter.
(%avahi-accounts, %avahi-activation, avahi-service-type): New
variables.
(avahi-dmd-service): New procedure.
(avahi-service): Rewrite using 'service' and 'avahi-configuration'.
* gnu/services/base.scm (%root-file-system-dmd-service,
root-file-system-service-type): New variables.
(root-file-system-service): Use them.
(file-system->dmd-service-name): New procedure.
(file-system-service-type): New variable.
(file-system-service): Use it. Replace keyword parameters with a
single 'file-system' object.
(user-unmount-service-type): New variable.
(user-unmount-service): Use it.
(user-processes-service-type): New variable.
(user-processes-service): Use it.
(host-name-service-type): New variable.
(host-name-service): Use it.
(console-keymap-service-type): New variable.
(console-keymap-service): Use it.
(console-font-service-type): New variable.
(console-font-service): Use it.
(mingetty-pam-service, mingetty-dmd-service): New procedures.
(mingetty-service-type): New variable.
(mingetty-service): Use it.
(nscd-dmd-service): New procedure.
(nscd-activation, nscd-service-type): New variables.
(nscd-service): Use the latter.
(syslog-service-type): New variable.
(syslog-service): Use it.
(<guix-configuration>): New record type.
(%default-guix-configuration): New variable.
(guix-dmd-service, guix-accounts, guix-activation): New procedures.
(guix-service-type): New variable.
(guix-service): Replace list of keyword parameters with a single
'config' parameter. Rewrite using 'service'.
(<udev-configuration>): New record type.
(udev-dmd-service): New procedure.
(udev-service-type): New variable.
(udev-service): Use it.
(device-mapping-service-type): New variable.
(device-mapping-service): Use it.
(swap-service-type): New variable.
(swap-service): Use it.
* gnu/services/databases.scm (<postgresql-configuration>): New record
type.
(%postgresql-accounts, postgresql-activation): New variables.
(postgresql-dmd-service): New procedure.
(postgresql-service): Rewrite using 'service' and
'postgresql-configuration'.
* gnu/services/dbus.scm: New file.
* gnu/services/desktop.scm (dbus-configuration-directory, dbus-service):
Remove.
(wrapped-dbus-service): New procedure.
(<upower-configuration>): New record type.
(upower-configuration-file): Replace keyword parameters with single
<upower-configuration> parameter.
(%upower-accounts, %upower-activation): New variables.
(upower-dbus-service, upower-dmd-service): New procedures.
(upower-service-type): New variable.
(upower-service): Rewrite using 'service' and 'upower-configuration'.
(%colord-activation, %colord-accounts): New variables.
(colord-dmd-service): New procedure.
(colord-service-type): New variable.
(colord-service): Rewrite using 'service'.
(<geoclue-configuration>): New record type.
(geoclue-configuration-file): Replace keyword parameters with a single
'config' parameter.
(geoclue-dbus-service, geoclue-dmd-service): New procedures.
(%geoclue-accounts, geoclue-service-type): New variables.
(geoclue-service): Rewrite using 'service' and
'geoclue-configuration'.
(%polkit-accounts, %polkit-pam-services, polkit-service-type): New
variables.
(polkit-dmd-service): New procedure.
(polkit-service): Rewrite using 'service'.
(<elogind-configuration>)[elogind]: New field.
(elogind-dmd-service): New procedure.
(elogind-service-type): New variable.
(elogind-service): Rewrite using 'service'.
(%desktop-services): Remove argument to 'dbus-service'. Remove 'map'
over %BASE-SERVICES.
* gnu/services/dmd.scm (dmd-boot-gexp): New procedure.
(dmd-root-service-type, %dmd-root-service): New variables.
(dmd-service-type): New macro.
(<dmd-service>): New record type.
* gnu/services/lirc.scm (<lirc-configuration>): New record type.
(%lirc-activation): New variable.
(lirc-dmd-service): New procedure.
(lirc-service-type): New variable.
(lirc-service): Rewrite using 'service' and 'lirc-configuration'.
* gnu/services/networking.scm (<static-networking>): New record type.
(static-networking-service-type): New variable.
(static-networking-service): Rewrite using 'service' and
'static-networking'.
(dhcp-client-service-type): New variable.
(dhcp-client-service): Rewrite using 'service'.
(<ntp-configuration>): New record type.
(ntp-dmd-service): New procedure.
(ntp-service-type): New variable.
(ntp-service): New procedure.
(%tor-accounts, tor-service-type): New variable.
(tor-dmd-service): New procedure.
(tor-service): Rewrite using 'service'.
(<bitlbee-configuration>): New record type.
(bitlbee-dmd-service): New procedure.
(%bitlbee-accounts, %bitlbee-activation, bitlbee-service-type): New
variables.
(bitlbee-service): Rewrite using 'service'.
(%wicd-activation): New variable.
(wicd-dmd-service): New procedure.
(wicd-service-type): New variable.
(wicd-service): Rewrite using 'service'.
* gnu/services/ssh.scm (<lsh-configuration>): New record type.
(activation): Rename to...
(lsh-initialization): ... this.
(lsh-activation, lsh-dmd-service, lsh-pam-services): New procedures.
(lsh-service-type): New variable.
(lsh-service): Rewrite using 'service' and 'lsh-configuration'.
* gnu/services/web.scm (<nginx-configuration>): New record type.
(%nginx-accounts): New variable.
(nginx-activation, nginx-dmd-service): New procedures.
(nginx-service-type): New variable.
(nginx-service): Rewrite using 'service' and 'nginx-configuration'.
* gnu/services/xorg.scm (<slim-configuration>): New record type.
(slim-pam-service, slim-dmd-service): New procedures.
(slim-service-type): New variable.
(slim-service): Rewrite using 'service' and 'slim-configuration'.
* gnu/system.scm (file-union): Remove.
(other-file-system-services): Adjust to new 'file-system-service'
signature.
(essential-services): Add #:container? parameter. Add
%DMD-ROOT-SERVICE, %ACTIVATION-SERVICE, and calls to
'pam-root-service', 'account-service', 'operating-system-etc-service',
and a SETUID-PROGRAM-SERVICE instance.
(operating-system-services): Pass #:container? to 'essential-services.
(etc-directory): Remove.
(operating-system-etc-service): New procedure. Rewrite as a call to
'etc-service'.
(operating-system-accounts): Change to not return accounts required by
services.
(operating-system-etc-directory): Rewrite as a call to 'fold-services'
and 'etc-directory'.
(user-group->gexp, user-account->gexp, modprobe-wrapper): Remove.
(operating-system-activation-script): Rewrite as a call to
'fold-services' and 'activation-service->script'.
(operating-system-boot-script): Likewise.
(operating-system-derivation): Add call to 'lower-object'.
(emacs-site-file, emacs-site-directory, shells-file): Change to use
'computed-file' and 'scheme-file' instead of the monadic procedures.
* gnu/system/install.scm (cow-store-service-type): New variable.
(cow-store-service): Rewrite using 'service'.
(/etc/configuration-files): New procedure.
(configuration-template-service-type,
%configuration-template-service): New variables.
(configuration-template-service): Remove.
(installation-services): Adjust accordingly. Adjust argument to
'guix-service'.
* gnu/system/linux.scm (/etc-entry, pam-root-service): New procedures.
(pam-root-service-type): New variable.
* gnu/system/shadow.scm (user-group->gexp, user-account->gexp,
account-activation, etc-skel, account-service): New procedures.
(account-service-type): New variable.
* tests/services.scm: New file.
* doc/guix.texi (Base Services, Desktop Services): Adjust accordingly.
(Defining Services): Rewrite.
* doc/images/service-graph.dot: New file.
* doc.am (DOT_FILES): Add it.
* po/guix/POTFILES.in: Add gnu/services.scm.
| Ludovic Courtès |
count username)
"Return the first account associated with USERNAME, else #f.
USERNAME can be either the account 40 characters public key fingerprint or a
registered username."
(find (lambda (account)
(member username
(list (assoc-ref account "Account.username")
(assoc-ref account "Account.registeredName"))))
(get-accounts)))
(define (add-account archive)
"Import the Jami account ARCHIVE and return its account ID. The archive
should *not* be encrypted with a password. Return the username associated
with the account."
(invalidate-username-to-id-cache!)
(let ((id (call-configuration-manager-method
"addAccount" (list `#(("Account.archivePath" . ,archive)
("Account.type" . "RING"))))))
;; The account information takes some time to be populated.
(with-retries 20 1
(let ((username (id->username id)))
(if (and=> username (negate string-null?))
username
#f)))))
(define (remove-account username)
"Delete the Jami account associated with USERNAME, the account 40 characters
fingerprint or a registered username."
(let ((id (username->id username)))
(call-configuration-manager-method "removeAccount" (list id)))
(invalidate-username-to-id-cache!))
(define* (username->contacts username)
"Return the contacts associated with the account of USERNAME as two values;
the first one being the regular contacts and the second one the banned
contacts. USERNAME can be either the account 40 characters public key
fingerprint or a registered username. The contacts returned are represented
using their 40 characters fingerprint."
(let* ((id (username->id username))
;; The contacts are returned as "aa{ss}", that is, an array of arrays
;; containing (string . string) pairs.
(contacts (map vector->list
(vector->list (call-configuration-manager-method
"getContacts" (list id)))))
(banned? (lambda (contact)
(and=> (assoc-ref contact "banned")
(cut string=? "true" <>))))
(banned (filter banned? contacts))
(not-banned (filter (negate banned?) contacts))
(fingerprint (cut assoc-ref <> "id")))
(values (map fingerprint not-banned)
(map fingerprint banned))))
(define* (remove-contact contact username #:key ban?)
"Remove CONTACT, the 40 characters public key fingerprint of a contact, from
the account associated with USERNAME (either a fingerprint or a registered
username). When BAN? is true, also mark the contact as banned."
(validate-fingerprint contact)
(let ((id (username->id username)))
(call-configuration-manager-method "removeContact" (list id contact ban?))))
(define (add-contact contact username)
"Add CONTACT, the 40 characters public key fingerprint of a contact, to the
account of USERNAME (either a fingerprint or a registered username)."
(validate-fingerprint contact)
(let ((id (username->id username)))
(call-configuration-manager-method "addContact" (list id contact))))
(define* (set-account-details details username #:key timeout)
"Set DETAILS, an alist containing the key value pairs to set for the account
of USERNAME, a registered username or account fingerprint. The value of the
parameters not provided are unchanged. TIMEOUT is a value in milliseconds to
pass to the `call-configuration-manager-method' procedure."
(let* ((id (username->id username))
(current-details (id->account-details id))
(updated-details (map (match-lambda
((key . value)
(or (and=> (assoc-ref details key)
(cut cons key <>))
(cons key value))))
current-details)))
(call-configuration-manager-method
"setAccountDetails" (list id (list->vector updated-details))
#:timeout timeout)))
(define (set-all-moderators enabled? username)
"Set the 'AllModerators' property to enabled? for the account of USERNAME, a
registered username or account fingerprint."
(let ((id (username->id username)))
(call-configuration-manager-method "setAllModerators" (list id enabled?))))
(define (username->all-moderators? username)
"Return the 'AllModerators' property for the account of USERNAME, a
registered username or account fingerprint."
(let ((id (username->id username)))
(call-configuration-manager-method "isAllModerators" (list id))))
(define (username->moderators username)
"Return the moderators for the account of USERNAME, a registered username or
account fingerprint."
(let* ((id (username->id username)))
(vector->list (call-configuration-manager-method "getDefaultModerators"
(list id)))))
(define (set-moderator contact enabled? username)
"Set the moderator flag to ENABLED? for CONTACT, the 40 characters public
key fingerprint of a contact for the account of USERNAME, a registered
username or account fingerprint."
(validate-fingerprint contact)
(let* ((id (username->id username)))
(call-configuration-manager-method "setDefaultModerator"
(list id contact enabled?))))
(define (disable-account username)
"Disable the account known by USERNAME, a registered username or account
fingerprint."
(set-account-details '(("Account.enable" . "false")) username
;; Waiting for the reply on this command takes a very
;; long time that trips the default D-Bus timeout value
;; (25 s), for some reason.
#:timeout 60))
(define (enable-account username)
"Enable the account known by USERNAME, a registered username or account
fingerprint."
(set-account-details '(("Account.enable" . "true")) username))
;;;
;;; Presentation procedures.
;;;
(define (.->_ text)
"Map each period character to underscore characters."
(string-map (match-lambda
(#\. #\_)
(c c))
text))
(define (account-details->recutil account-details)
"Serialize the account-details alist into a recutil string. Period
characters in the keys are normalized to underscore to meet Recutils' format
requirements."
(define (pair->recutil-property pair)
(match pair
((key . value)
(string-append (.->_ key) ": " value))))
(define sorted-account-details
;; Have the account username, display name and alias appear first, for
;; convenience.
(let ((first-items '("Account.username"
"Account.displayName"
"Account.alias")))
(append (map (cut assoc <> account-details) first-items)
(fold alist-delete account-details first-items))))
(string-join (map pair->recutil-property sorted-account-details) "\n"))
