sub mayRestartJobs {
    my ($c, $project) = @_;
    return
        $c->user_exists &&
        (isAdmin($c) ||
         hasRestartJobsRole($c) ||
         isProjectOwner($c, $project));
}

In reply to @janne.hess:helsinki-systems.de

hydra=# table projectmembers ;
 project | username
---------+----------
(0 rows)

In reply to @linus:schreibt.jetzt

sub mayRestartJobs {
    my ($c, $project) = @_;
    return
        $c->user_exists &&
        (isAdmin($c) ||
         hasRestartJobsRole($c) ||
         isProjectOwner($c, $project));
}

sub isProjectOwner {
    my ($c, $project) = @_;
    return
        $c->user_exists &&
        (isAdmin($c) ||
         $c->user->username eq $project->owner->username ||
         defined $c->model('DB::ProjectMembers')->find({ project => $project, userName => $c->user->username }));
}

In reply to @linus:schreibt.jetzt
as for declarative management of a hydra instance, may I suggest the terraform provider (maintained by my employer but I've been using it since before I worked there :D )

In reply to @linus:schreibt.jetzt
ma27 has some nice wrapping code that makes it more pleasant to use with terranix