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-rw-r--r--gnu/system/file-systems.scm24
1 files changed, 23 insertions, 1 deletions
diff --git a/gnu/system/file-systems.scm b/gnu/system/file-systems.scm
index 708d53d0a1..7011a279d3 100644
--- a/gnu/system/file-systems.scm
+++ b/gnu/system/file-systems.scm
@@ -18,6 +18,7 @@
(define-module (gnu system file-systems)
#:use-module (ice-9 match)
+ #:use-module (srfi srfi-1)
#:use-module (guix records)
#:use-module ((gnu build file-systems)
#:select (string->uuid uuid->string))
@@ -64,7 +65,9 @@
file-system-mapping->bind-mount
- %store-mapping))
+ %store-mapping
+ %network-configuration-files
+ %network-file-mappings))
;;; Commentary:
;;;
@@ -389,4 +392,23 @@ a bind mount."
(target (%store-prefix))
(writable? #f)))
+(define %network-configuration-files
+ ;; List of essential network configuration files.
+ '("/etc/resolv.conf"
+ "/etc/nsswitch.conf"
+ "/etc/services"
+ "/etc/hosts"))
+
+(define %network-file-mappings
+ ;; List of file mappings for essential network files.
+ (filter-map (lambda (file)
+ (file-system-mapping
+ (source file)
+ (target file)
+ ;; XXX: On some GNU/Linux systems, /etc/resolv.conf is a
+ ;; symlink to a file in a tmpfs which, for an unknown reason,
+ ;; cannot be bind mounted read-only within the container.
+ (writable? (string=? file "/etc/resolv.conf"))))
+ %network-configuration-files))
+
;;; file-systems.scm ends here