services: guix-data-service: Add extra environment variable options.

Also export guix-data-service-extra-options and
guix-data-service-extra-process-jobs-options since this was missed previously.

* gnu/services/guix.scm (<guix-data-service-configuration>): Add
extra-environment-variables and extra-process-jobs-environment-variables.
(guix-data-service-shepherd-services): Use them.
* doc/guix.texi (Guix Services): Document them.

Change-Id: I60f1371a86a01c4fb3dbde204dba84b9a8657ace

1 files changed, 6 insertions, 0 deletions

diff --git a/doc/guix.texi b/doc/guix.texi
index bc1881f7afc..6a7a9f8c35e 100644
--- a/doc/guix.texi
+++ b/doc/guix.texi
@@ -45251,6 +45251,12 @@ Extra command line options for @code{guix-data-service}.
 @item @code{extra-process-jobs-options} (default: @var{'()})
 Extra command line options for @code{guix-data-service-process-jobs}.
 
+@item @code{extra-environment-variables} (default: @var{'()})
+Extra environment variables for @code{guix-data-service}.
+
+@item @code{extra-process-jobs-environment-variables} (default: @var{'()})
+Extra environment variables for @code{guix-data-service-process-jobs}.
+
 @item @code{git-repositories} (default: @var{#f})
 List of git-repository information to insert into the database.