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-rw-r--r--doc/guix.texi11
-rw-r--r--gnu/services/base.scm13
2 files changed, 16 insertions, 8 deletions
diff --git a/doc/guix.texi b/doc/guix.texi
index 452453241c..e6f04e1413 100644
--- a/doc/guix.texi
+++ b/doc/guix.texi
@@ -4600,9 +4600,11 @@ the store.
@item --generate-key[=@var{parameters}]
@cindex signing, archives
Generate a new key pair for the daemon. This is a prerequisite before
-archives can be exported with @option{--export}. Note that this
-operation usually takes time, because it needs to gather enough entropy
-to generate the key pair.
+archives can be exported with @option{--export}. This
+operation is usually instantaneous but it can take time if the system's
+entropy pool needs to be refilled. On Guix System,
+@code{guix-service-type} takes care of generating this key pair the
+first boot.
The generated key pair is typically stored under @file{/etc/guix}, in
@file{signing-key.pub} (public key) and @file{signing-key.sec} (private
@@ -29684,7 +29686,8 @@ a Virtual Private Server (VPS) provider. In such a case, a different
Do note that you first need to generate a key pair on the coordinator machine
to allow the daemon to export signed archives of files from the store
-(@pxref{Invoking guix archive}).
+(@pxref{Invoking guix archive}), though this step is automatic on Guix
+System:
@example
# guix archive --generate-key
diff --git a/gnu/services/base.scm b/gnu/services/base.scm
index bef4eef241..04bc991356 100644
--- a/gnu/services/base.scm
+++ b/gnu/services/base.scm
@@ -1653,10 +1653,15 @@ proxy of 'guix-daemon'...~%")
;; 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 substitute server keys.
- (if authorize-key?
- (substitute-key-authorization keys guix)
- #~#f))))
+ ;; Generate a key pair and optionally authorize substitute server keys.
+ #~(begin
+ (unless (file-exists? "/etc/guix/signing-key.pub")
+ (system* #$(file-append guix "/bin/guix") "archive"
+ "--generate-key"))
+
+ #$(if authorize-key?
+ (substitute-key-authorization keys guix)
+ #~#f)))))
(define* (references-file item #:optional (name "references"))
"Return a file that contains the list of references of ITEM."