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-rw-r--r--gnu/services/audio.scm70
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)