diff options
-rw-r--r-- | doc/guix.texi | 36 | ||||
-rw-r--r-- | gnu/services/base.scm | 16 | ||||
-rw-r--r-- | gnu/services/virtualization.scm | 11 |
3 files changed, 58 insertions, 5 deletions
diff --git a/doc/guix.texi b/doc/guix.texi index b5061877e2..f2fc567865 100644 --- a/doc/guix.texi +++ b/doc/guix.texi @@ -14582,11 +14582,26 @@ Whether to authorize the substitute keys listed in @code{authorized-keys}---by default that of @code{@value{SUBSTITUTE-SERVER}} (@pxref{Substitutes}). +When @code{authorize-key?} is true, @file{/etc/guix/acl} cannot be +changed by invoking @command{guix archive --authorize}. You must +instead adjust @code{guix-configuration} as you wish and reconfigure the +system. This ensures that your operating system configuration file is +self-contained. + +@quotation Note +When booting or reconfiguring to a system where @code{authorize-key?} +is true, the existing @file{/etc/guix/acl} file is backed up as +@file{/etc/guix/acl.bak} if it was determined to be a manually modified +file. This is to facilitate migration from earlier versions, which +allowed for in-place modifications to @file{/etc/guix/acl}. +@end quotation + @vindex %default-authorized-guix-keys @item @code{authorized-keys} (default: @code{%default-authorized-guix-keys}) The list of authorized key files for archive imports, as a list of string-valued gexps (@pxref{Invoking guix archive}). By default, it contains that of @code{@value{SUBSTITUTE-SERVER}} (@pxref{Substitutes}). +See @code{substitute-urls} below for an example on how to change it. @item @code{use-substitutes?} (default: @code{#t}) Whether to use substitutes. @@ -14594,6 +14609,27 @@ Whether to use substitutes. @item @code{substitute-urls} (default: @code{%default-substitute-urls}) The list of URLs where to look for substitutes by default. +Suppose you would like to fetch substitutes from @code{guix.example.org} +in addition to @code{@value{SUBSTITUTE-SERVER}}. You will need to do +two things: (1) add @code{guix.example.org} to @code{substitute-urls}, +and (2) authorize its signing key, having done appropriate checks +(@pxref{Substitute Server Authorization}). The configuration below does +exactly that: + +@lisp +(guix-configuration + (substitute-urls + (append (list "https://guix.example.org") + %default-substitute-urls)) + (authorized-keys + (append (list (local-file "./guix.example.org-key.pub")) + %default-authorized-guix-keys))) +@end lisp + +This example assumes that the file @file{./guix.example.org-key.pub} +contains the public key that @code{guix.example.org} uses to sign +substitutes. + @item @code{max-silent-time} (default: @code{0}) @itemx @code{timeout} (default: @code{0}) The number of seconds of silence and the number of seconds of activity, diff --git a/gnu/services/base.scm b/gnu/services/base.scm index 04bc991356..37b0a13ea7 100644 --- a/gnu/services/base.scm +++ b/gnu/services/base.scm @@ -1476,10 +1476,18 @@ archive' public keys, with GUIX." #~(begin (use-modules (guix build utils)) - (unless (file-exists? "/etc/guix/acl") - (mkdir-p "/etc/guix") - (copy-file #+default-acl "/etc/guix/acl") - (chmod "/etc/guix/acl" #o600))))) + ;; If the ACL already exists, move it out of the way. Create a backup + ;; if it's a regular file: it's likely that the user manually updated + ;; it with 'guix archive --authorize'. + (if (file-exists? "/etc/guix/acl") + (if (and (symbolic-link? "/etc/guix/acl") + (store-file-name? (readlink "/etc/guix/acl"))) + (delete-file "/etc/guix/acl") + (rename-file "/etc/guix/acl" "/etc/guix/acl.bak")) + (mkdir-p "/etc/guix")) + + ;; Installed the declared ACL. + (symlink #+default-acl "/etc/guix/acl")))) (define %default-authorized-guix-keys ;; List of authorized substitute keys. diff --git a/gnu/services/virtualization.scm b/gnu/services/virtualization.scm index edd0b644f5..eaf0bbde43 100644 --- a/gnu/services/virtualization.scm +++ b/gnu/services/virtualization.scm @@ -875,7 +875,16 @@ that will be listening to receive secret keys on port 1004, TCP." (permit-root-login #t) (allow-empty-passwords? #t) (password-authentication? #t))) - %base-services/hurd)))) + + ;; By default, the secret service introduces a pre-initialized + ;; /etc/guix/acl file in the childhurd. Thus, clear + ;; 'authorize-key?' so that it's not overridden at activation + ;; time. + (modify-services %base-services/hurd + (guix-service-type config => + (guix-configuration + (inherit config) + (authorize-key? #f)))))))) (define-record-type* <hurd-vm-configuration> hurd-vm-configuration make-hurd-vm-configuration |