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-rw-r--r--gnu/system/file-systems.scm17
-rw-r--r--gnu/system/linux-container.scm21
2 files changed, 20 insertions, 18 deletions
diff --git a/gnu/system/file-systems.scm b/gnu/system/file-systems.scm
index fa56853fd1..b2721f2389 100644
--- a/gnu/system/file-systems.scm
+++ b/gnu/system/file-systems.scm
@@ -63,6 +63,8 @@
file-system-mapping-target
file-system-mapping-writable?
+ file-system-mapping->bind-mount
+
%store-mapping))
;;; Commentary:
@@ -352,6 +354,21 @@ TARGET in the other system."
(writable? file-system-mapping-writable? ;Boolean
(default #f)))
+(define (file-system-mapping->bind-mount mapping)
+ "Return a file system that realizes MAPPING, a <file-system-mapping>, using
+a bind mount."
+ (match mapping
+ (($ <file-system-mapping> source target writable?)
+ (file-system
+ (mount-point target)
+ (device source)
+ (type "none")
+ (flags (if writable?
+ '(bind-mount)
+ '(bind-mount read-only)))
+ (check? #f)
+ (create-mount-point? #t)))))
+
(define %store-mapping
;; Mapping of the host's store into the guest.
(file-system-mapping
diff --git a/gnu/system/linux-container.scm b/gnu/system/linux-container.scm
index 24e61c3ead..bceea41332 100644
--- a/gnu/system/linux-container.scm
+++ b/gnu/system/linux-container.scm
@@ -1,6 +1,6 @@
;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2015 David Thompson <davet@gnu.org>
-;;; Copyright © 2016 Ludovic Courtès <ludo@gnu.org>
+;;; Copyright © 2016, 2017 Ludovic Courtès <ludo@gnu.org>
;;;
;;; This file is part of GNU Guix.
;;;
@@ -30,25 +30,10 @@
#:use-module (gnu services)
#:use-module (gnu system)
#:use-module (gnu system file-systems)
- #:export (mapping->file-system
- system-container
+ #:export (system-container
containerized-operating-system
container-script))
-(define (mapping->file-system mapping)
- "Return a file system that realizes MAPPING."
- (match mapping
- (($ <file-system-mapping> source target writable?)
- (file-system
- (mount-point target)
- (device source)
- (type "none")
- (flags (if writable?
- '(bind-mount)
- '(bind-mount read-only)))
- (check? #f)
- (create-mount-point? #t)))))
-
(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
@@ -66,7 +51,7 @@ containerized OS."
(operating-system-file-systems os)))
(define (mapping->fs fs)
- (file-system (inherit (mapping->file-system fs))
+ (file-system (inherit (file-system-mapping->bind-mount fs))
(needed-for-boot? #t)))
(operating-system (inherit os)