nixos/jenkins-job-builder: better defaults for accessUser/accessTokenFile

The new defaults allows jenkins-job-builder to reload the configuration
out-of-the-box, whereas the previous defaults required users to manually
reload/restart jenkins, or configure accessUser/accessTokenFile
themselves.

(If `extraJavaOptions = [ "-Djenkins.install.runSetupWizard=false" ]`
then the initial admin user is *not* created and you have to use JCasC
or something else to bootstrap.)

Changed files
+3 -4
nixos
modules
services
continuous-integration
jenkins
tests
+3 -2
nixos/modules/services/continuous-integration/jenkins/job-builder.nix
···
};
accessUser = mkOption {
-
default = "";
+
default = "admin";
type = types.str;
description = lib.mdDoc ''
User id in Jenkins used to reload config.
···
};
accessTokenFile = mkOption {
-
default = "";
+
default = "${config.services.jenkins.home}/secrets/initialAdminPassword";
+
defaultText = literalExpression ''"''${config.services.jenkins.home}/secrets/initialAdminPassword"'';
type = types.str;
example = "/run/keys/jenkins-job-builder-access-token";
description = lib.mdDoc ''
-2
nixos/tests/jenkins.nix
···
enable = true;
jobBuilder = {
enable = true;
-
accessUser = "admin";
-
accessTokenFile = "/var/lib/jenkins/secrets/initialAdminPassword";
nixJobs = [
{ job = {
name = "job-1";