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-rw-r--r--gnu/services/base.scm119
1 files changed, 90 insertions, 29 deletions
diff --git a/gnu/services/base.scm b/gnu/services/base.scm
index 47c7d8bb27..b10f5cbaf1 100644
--- a/gnu/services/base.scm
+++ b/gnu/services/base.scm
@@ -6,6 +6,7 @@
;;; Copyright © 2016, 2017 Leo Famulari <leo@famulari.name>
;;; Copyright © 2016 David Craven <david@craven.ch>
;;; Copyright © 2016 Ricardo Wurmus <rekado@elephly.net>
+;;; Copyright © 2018 Mathieu Othacehe <m.othacehe@gmail.com>
;;;
;;; This file is part of GNU Guix.
;;;
@@ -1251,18 +1252,57 @@ the tty to run, among other things."
(string-concatenate
(map cache->config caches)))))))
+(define (nscd-action-procedure nscd config option)
+ ;; XXX: This is duplicated from mcron; factorize.
+ #~(lambda (_ . args)
+ ;; Run 'nscd' in a pipe so we can explicitly redirect its output to
+ ;; 'current-output-port', which at this stage is bound to the client
+ ;; connection.
+ (let ((pipe (apply open-pipe* OPEN_READ #$nscd
+ "-f" #$config #$option args)))
+ (let loop ()
+ (match (read-line pipe 'concat)
+ ((? eof-object?)
+ (catch 'system-error
+ (lambda ()
+ (zero? (close-pipe pipe)))
+ (lambda args
+ ;; There's a race with the SIGCHLD handler, which could
+ ;; call 'waitpid' before 'close-pipe' above does. If we
+ ;; get ECHILD, that means we lost the race, but that's
+ ;; fine.
+ (or (= ECHILD (system-error-errno args))
+ (apply throw args)))))
+ (line
+ (display line)
+ (loop)))))))
+
+(define (nscd-actions nscd config)
+ "Return Shepherd actions for NSCD."
+ ;; Make this functionality available as actions because that's a simple way
+ ;; to run the right 'nscd' binary with the right config file.
+ (list (shepherd-action
+ (name 'statistics)
+ (documentation "Display statistics about nscd usage.")
+ (procedure (nscd-action-procedure nscd config "--statistics")))
+ (shepherd-action
+ (name 'invalidate)
+ (documentation
+ "Invalidate the given cache--e.g., 'hosts' for host name lookups.")
+ (procedure (nscd-action-procedure nscd config "--invalidate")))))
+
(define (nscd-shepherd-service config)
"Return a shepherd service for CONFIG, an <nscd-configuration> object."
- (let ((nscd.conf (nscd.conf-file config))
+ (let ((nscd (file-append (nscd-configuration-glibc config)
+ "/sbin/nscd"))
+ (nscd.conf (nscd.conf-file config))
(name-services (nscd-configuration-name-services config)))
(list (shepherd-service
(documentation "Run libc's name service cache daemon (nscd).")
(provision '(nscd))
(requirement '(user-processes))
(start #~(make-forkexec-constructor
- (list #$(file-append (nscd-configuration-glibc config)
- "/sbin/nscd")
- "-f" #$nscd.conf "--foreground")
+ (list #$nscd "-f" #$nscd.conf "--foreground")
;; Wait for the PID file. However, the PID file is
;; written before nscd is actually listening on its
@@ -1276,7 +1316,12 @@ the tty to run, among other things."
(string-append dir "/lib"))
(list #$@name-services))
":")))))
- (stop #~(make-kill-destructor))))))
+ (stop #~(make-kill-destructor))
+ (modules `((ice-9 popen) ;for the actions
+ (ice-9 rdelim)
+ (ice-9 match)
+ ,@%default-modules))
+ (actions (nscd-actions nscd nscd.conf))))))
(define nscd-activation
;; Actions to take before starting nscd.
@@ -1454,26 +1499,27 @@ starting at FIRST-UID, and under GID."
1+
1))
-(define (hydra-key-authorization key guix)
- "Return a gexp with code to register KEY, a file containing a 'guix archive'
-public key, with GUIX."
+(define (hydra-key-authorization keys guix)
+ "Return a gexp with code to register KEYS, a list of files containing 'guix
+archive' public keys, with GUIX."
#~(unless (file-exists? "/etc/guix/acl")
- (let ((pid (primitive-fork)))
- (case pid
- ((0)
- (let* ((key #$key)
- (port (open-file key "r0b")))
- (format #t "registering public key '~a'...~%" key)
- (close-port (current-input-port))
- (dup port 0)
- (execl #$(file-append guix "/bin/guix")
- "guix" "archive" "--authorize")
- (exit 1)))
- (else
- (let ((status (cdr (waitpid pid))))
- (unless (zero? status)
- (format (current-error-port) "warning: \
-failed to register hydra.gnu.org public key: ~a~%" status))))))))
+ (for-each (lambda (key)
+ (let ((pid (primitive-fork)))
+ (case pid
+ ((0)
+ (let* ((port (open-file key "r0b")))
+ (format #t "registering public key '~a'...~%" key)
+ (close-port (current-input-port))
+ (dup port 0)
+ (execl #$(file-append guix "/bin/guix")
+ "guix" "archive" "--authorize")
+ (primitive-exit 1)))
+ (else
+ (let ((status (cdr (waitpid pid))))
+ (unless (zero? status)
+ (format (current-error-port) "warning: \
+failed to register public key '~a': ~a~%" key status)))))))
+ '(#$@keys))))
(define %default-authorized-guix-keys
;; List of authorized substitute keys.
@@ -1558,7 +1604,15 @@ failed to register hydra.gnu.org public key: ~a~%" status))))))))
'())
#$@(if tmpdir
(list (string-append "TMPDIR=" tmpdir))
- '()))
+ '())
+
+ ;; Make sure we run in a UTF-8 locale so that 'guix
+ ;; offload' correctly restores nars that contain UTF-8
+ ;; file names such as 'nss-certs'. See
+ ;; <https://bugs.gnu.org/32942>.
+ (string-append "GUIX_LOCPATH="
+ #$glibc-utf8-locales "/lib/locale")
+ "LC_ALL=en_US.utf8")
#:log-file #$log-file))
(stop #~(make-kill-destructor))))))
@@ -1585,10 +1639,9 @@ failed to register hydra.gnu.org public key: ~a~%" status))))))))
;; otherwise call 'chown' here, but the problem is that on a COW overlayfs,
;; chown leads to an entire copy of the tree, which is a bad idea.
- ;; Optionally authorize hydra.gnu.org's key.
+ ;; Optionally authorize substitute server keys.
(if authorize-key?
- #~(begin
- #$@(map (cut hydra-key-authorization <> guix) keys))
+ (hydra-key-authorization keys guix)
#~#f))))
(define* (references-file item #:optional (name "references"))
@@ -2040,6 +2093,8 @@ This service is not part of @var{%base-services}."
(default (file-append shadow "/bin/login")))
(login-arguments kmscon-configuration-login-arguments
(default '("-p")))
+ (auto-login kmscon-configuration-auto-login
+ (default #f))
(hardware-acceleration? kmscon-configuration-hardware-acceleration?
(default #f))) ; #t causes failure
@@ -2051,14 +2106,20 @@ This service is not part of @var{%base-services}."
(virtual-terminal (kmscon-configuration-virtual-terminal config))
(login-program (kmscon-configuration-login-program config))
(login-arguments (kmscon-configuration-login-arguments config))
+ (auto-login (kmscon-configuration-auto-login config))
(hardware-acceleration? (kmscon-configuration-hardware-acceleration? config)))
(define kmscon-command
#~(list
#$(file-append kmscon "/bin/kmscon") "--login"
"--vt" #$virtual-terminal
+ "--no-switchvt" ;Prevent a switch to the virtual terminal.
#$@(if hardware-acceleration? '("--hwaccel") '())
- "--" #$login-program #$@login-arguments))
+ "--login" "--"
+ #$login-program #$@login-arguments
+ #$@(if auto-login
+ #~(#$auto-login)
+ #~())))
(shepherd-service
(documentation "kmscon virtual terminal")