Files
netdisco/lib/App/Netdisco/Worker/Runner.pm
2017-09-29 07:58:33 +01:00

94 lines
2.5 KiB
Perl
Raw Blame History

This file contains invisible Unicode characters

This file contains invisible Unicode characters that are indistinguishable to humans but may be processed differently by a computer. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.

package App::Netdisco::Worker::Runner;
use Dancer qw/:moose :syntax/;
use Dancer::Factory::Hook;
use aliased 'App::Netdisco::Worker::Status';
use App::Netdisco::Util::Permission qw/check_acl_no check_acl_only/;
use Try::Tiny;
use Moo::Role;
use Module::Load ();
use Scope::Guard 'guard';
use namespace::clean;
has 'job' => (
is => 'rw',
);
has 'jobstat' => (
is => 'rw',
default => sub { Status->error("no worker for this action was successful") },
);
after 'run', 'run_workers' => sub {
my $self = shift;
$self->job->update_status($self->jobstat);
};
# mixin code to run workers loaded via plugins
sub run {
my ($self, $job) = @_;
die 'bad job to run()'
unless ref $job eq 'App::Netdisco::Backend::Job';
$self->job($job);
my $action = $job->action;
Module::Load::load 'App::Netdisco::Worker' => $action;
my @newuserconf = ();
my @userconf = @{ setting('device_auth') || [] };
# reduce device_auth by only/no
if (ref $job->device) {
foreach my $stanza (@userconf) {
my $no = (exists $stanza->{no} ? $stanza->{no} : undef);
my $only = (exists $stanza->{only} ? $stanza->{only} : undef);
next if $no and check_acl_no($job->device, $no);
next if $only and not check_acl_only($job->device, $only);
push @newuserconf, $stanza;
}
}
# per-device action but no device creds available
return $self->jobstat->defer('deferred job with no device creds')
if ref $job->device and 0 == scalar @newuserconf;
# back up and restore device_auth
my $guard = guard { set(device_auth => \@userconf) };
set(device_auth => \@newuserconf);
foreach my $stage (qw/check early main user/) {
my $hookname = "nd2_core_${stage}";
$self->run_workers($hookname);
return if $stage eq 'check' and $self->jobstat->not_ok;
}
}
sub run_workers {
my $self = shift;
my $hook = shift or return $self->jobstat->error('missing hook param');
my $store = Dancer::Factory::Hook->instance();
my $check = ($hook eq 'nd2_core_check');
my $main = ($hook eq 'nd2_core_main');
return unless scalar @{ $store->get_hooks_for($hook) };
debug "running workers for hook: $hook";
foreach my $worker (@{ $store->get_hooks_for($hook) }) {
try {
my $retval = $worker->($self->job);
# could die or return undef or a scalar or Status or another class
$self->jobstat($retval)
if ($check or $main) and ref $retval eq 'App::Netdisco::Worker::Status';
}
catch { $self->jobstat->error($_) if $check };
last if $check and $self->jobstat->is_ok;
}
}
true;