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-rw-r--r--gnu/system/linux-container.scm25
1 files changed, 10 insertions, 15 deletions
diff --git a/gnu/system/linux-container.scm b/gnu/system/linux-container.scm
index fdf7460872..4f38c5cb0a 100644
--- a/gnu/system/linux-container.scm
+++ b/gnu/system/linux-container.scm
@@ -25,6 +25,7 @@
   #:use-module (guix derivations)
   #:use-module (guix monads)
   #:use-module (gnu build linux-container)
+  #:use-module (gnu services)
   #:use-module (gnu system)
   #:use-module (gnu system file-systems)
   #:export (mapping->file-system
@@ -46,19 +47,6 @@
        (check? #f)
        (create-mount-point? #t)))))
 
-(define (system-container os)
-  "Return a derivation that builds OS as a Linux container."
-  (mlet* %store-monad
-      ((profile (operating-system-profile os))
-       (etc     (operating-system-etc-directory os))
-       (boot    (operating-system-boot-script os #:container? #t))
-       (locale  (operating-system-locale-directory os)))
-    (file-union "system-container"
-                `(("boot" ,#~#$boot)
-                  ("profile" ,#~#$profile)
-                  ("locale" ,#~#$locale)
-                  ("etc" ,#~#$etc)))))
-
 (define (containerized-operating-system os mappings)
   "Return an operating system based on OS for use in a Linux container
 environment.  MAPPINGS is a list of <file-system-mapping> to realize in the
@@ -93,7 +81,9 @@ that will be shared with the host system."
                                (operating-system-file-systems os)))
          (specs        (map file-system->spec file-systems)))
 
-    (mlet* %store-monad ((os-drv (system-container os)))
+    (mlet* %store-monad ((os-drv (operating-system-derivation
+                                  os
+                                  #:container? #t)))
 
       (define script
         #~(begin
@@ -106,7 +96,12 @@ that will be shared with the host system."
                 (setenv "TMPDIR" "/tmp")
                 (setenv "GUIX_NEW_SYSTEM" #$os-drv)
                 (for-each mkdir-p '("/run" "/bin" "/etc" "/home" "/var"))
-                (primitive-load (string-append #$os-drv "/boot"))))))
+                (primitive-load (string-append #$os-drv "/boot")))
+              ;; A range of 65536 uid/gids is used to cover 16 bits worth of
+              ;; users and groups, which is sufficient for most cases.
+              ;;
+              ;; See: http://www.freedesktop.org/software/systemd/man/systemd-nspawn.html#--private-users=
+              #:host-uids 65536)))
 
       (gexp->script "run-container" script
                     #:modules '((ice-9 match)