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author | Bruno Victal <mirai@makinata.eu> | 2023-03-26 19:41:33 +0100 |
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committer | Liliana Marie Prikler <liliana.prikler@gmail.com> | 2023-04-02 12:38:45 +0200 |
commit | 380faf265b0c3b231ab8b69597d161be5e704e18 (patch) | |
tree | 19d775b5a3c62420fe7b82176fa4fb361f6e00bf /gnu/services/audio.scm | |
parent | 7fdadeac11a997583305cb867b4a8828808ae953 (diff) | |
download | guix-380faf265b0c3b231ab8b69597d161be5e704e18.tar.gz guix-380faf265b0c3b231ab8b69597d161be5e704e18.zip |
services: mympd: Use records for user and group fields.
* gnu/services/audio.scm (%mympd-user, %mympd-group)
(mympd-user-sanitizer, mympd-group-sanitizer): New variables.
(mympd-configuration)[user]: Use user-account as value type.
Sanitize via mympd-user-sanitizer.
[group]: Use user-group as value type.
Sanitize via mympd-group-sanitizer.
(mympd-serialize-configuration): Adjust accordingly.
(mympd-accounts): Likewise.
* doc/guix.texi (Audio Services)[myMPD]: Likewise.
Signed-off-by: Liliana Marie Prikler <liliana.prikler@gmail.com>
Diffstat (limited to 'gnu/services/audio.scm')
-rw-r--r-- | gnu/services/audio.scm | 70 |
1 files changed, 56 insertions, 14 deletions
diff --git a/gnu/services/audio.scm b/gnu/services/audio.scm index 854efd744a..690409b7a1 100644 --- a/gnu/services/audio.scm +++ b/gnu/services/audio.scm @@ -658,6 +658,48 @@ appended to the configuration.") (define-maybe/no-serialization integer) (define-maybe/no-serialization mympd-ip-acl) +(define %mympd-user + (user-account + (name "mympd") + (group %lazy-group) + (system? #t) + (comment "myMPD user") + (home-directory "/var/empty") + (shell (file-append shadow "/sbin/nologin")))) + +(define %mympd-group + (user-group + (name "mympd") + (system? #t))) + +;;; TODO: Procedures for unsupported value types, to be removed. +(define (mympd-user-sanitizer value) + (cond ((user-account? value) value) + ((string? value) + (warning (G_ "string value for 'user' is not supported, use \ +user-account instead~%")) + (user-account + (inherit %mympd-user) + (name value) + ;; XXX: this is to be lazily substituted in (…-accounts) + ;; with the value from 'group'. + (group %lazy-group))) + (else + (configuration-field-error #f 'user value)))) + +(define (mympd-group-sanitizer value) + (cond ((user-group? value) value) + ((string? value) + (warning (G_ "string value for 'group' is not supported, use \ +user-group instead~%")) + (user-group + (inherit %mympd-group) + (name value))) + (else + (configuration-field-error #f 'group value)))) +;;; + + ;; XXX: The serialization procedures are insufficient since we require ;; access to multiple fields at once. ;; Fields marked with empty-serializer are never serialized and are @@ -675,13 +717,15 @@ will depend on." empty-serializer) (user - (string "mympd") + (user-account %mympd-user) "Owner of the @command{mympd} process." + (sanitizer mympd-user-sanitizer) empty-serializer) (group - (string "nogroup") + (user-group %mympd-group) "Owner group of the @command{mympd} process." + (sanitizer mympd-group-sanitizer) empty-serializer) (work-directory @@ -816,7 +860,8 @@ prompting a pin from the user.") (match-record config <mympd-configuration> (package shepherd-requirement user work-directory cache-directory log-level log-to) - (let ((log-level* (format #f "MYMPD_LOGLEVEL=~a" log-level))) + (let ((log-level* (format #f "MYMPD_LOGLEVEL=~a" log-level)) + (username (user-account-name user))) (shepherd-service (documentation "Run the myMPD daemon.") (requirement `(loopback user-processes @@ -826,7 +871,7 @@ prompting a pin from the user.") ,@shepherd-requirement)) (provision '(mympd)) (start #~(begin - (let* ((pw (getpwnam #$user)) + (let* ((pw (getpwnam #$username)) (uid (passwd:uid pw)) (gid (passwd:gid pw))) (for-each (lambda (dir) @@ -836,8 +881,8 @@ prompting a pin from the user.") (make-forkexec-constructor `(#$(file-append package "/bin/mympd") - "--user" #$user - #$@(if (eqv? log-to 'syslog) '("--syslog") '()) + "--user" #$username + #$@(if (eq? log-to 'syslog) '("--syslog") '()) "--workdir" #$work-directory "--cachedir" #$cache-directory) #:environment-variables (list #$log-level*) @@ -846,14 +891,11 @@ prompting a pin from the user.") (define (mympd-accounts config) (match-record config <mympd-configuration> (user group) - (list (user-group (name group) - (system? #t)) - (user-account (name user) - (group group) - (system? #t) - (comment "myMPD user") - (home-directory "/var/empty") - (shell (file-append shadow "/sbin/nologin")))))) + ;; TODO: Deprecation code, to be removed. + (let ((user (if (eq? (user-account-group user) %lazy-group) + (%set-user-group user group) + user))) + (list user group)))) (define (mympd-log-rotation config) (match-record config <mympd-configuration> (log-to) |