use Dancer qw/:moose :syntax/;
use Dancer::Plugin::DBIC 'schema';
use App::Netdisco::Util::Device 'get_device';
use App::Netdisco::Util::Permission qw/acl_matches acl_matches_only/;
use Time::HiRes ();
use Module::Load ();
use Scope::Guard 'guard';
use Storable 'dclone';
use Sys::SigAction 'timeout_call';
has 'job' => ( is => 'rw' );
# mixin code to run workers loaded via plugins
sub run {
my ($self, $job) = @_;
die 'cannot reuse a worker' if $self->job;
die 'bad job to run()'
unless ref $job eq 'App::Netdisco::Backend::Job';
$self->job($job);
$job->device( get_device($job->device) );
$self->load_workers();
# clean up and finalise job status when we exit
my $statusguard = guard {
if (var('live_python')) {
try { App::Netdisco::Transport::Python->runner->finish };
try { App::Netdisco::Transport::Python->runner->kill_kill };
try { unlink App::Netdisco::Transport::Python->context->filename };
}
$job->finalise_status;
};
my @newuserconf = ();
my @userconf = @{ dclone (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 $no and acl_matches($job->device, $no);
next if $only and not acl_matches_only($job->device, $only);
push @newuserconf, dclone $stanza;
}
# per-device action but no device creds available
return $job->add_status( Status->defer('deferred job with no device creds') )
if 0 == scalar @newuserconf && $self->transport_required;
}
# back up and restore device_auth
my $configguard = guard { set(device_auth => \@userconf) };
set(device_auth => \@newuserconf);
my $runner = sub {
my ($self, $job) = @_;
# roll everything back if we're testing
my $txn_guard = $ENV{ND2_DB_ROLLBACK}
? schema('netdisco')->storage->txn_scope_guard : undef;
# run check phase and if there are workers then one MUST be successful
$self->run_workers('workers_check');
# run other phases
if ($job->check_passed or $ENV{ND2_WORKER_ROLL_CALL}) {
$self->run_workers("workers_${_}") for qw/early main user store late/;
}
};
my $maxtime = ((defined setting($job->action .'_timeout'))
? setting($job->action .'_timeout') : setting('workers')->{'timeout'});
if ($maxtime) {
debug sprintf '%s: running with timeout %ss', $job->action, $maxtime;
if (timeout_call($maxtime, $runner, ($self, $job))) {
debug sprintf '%s: timed out!', $job->action;
$job->add_status( Status->error("job timed out after $maxtime sec") );
}
}
else {
debug sprintf '%s: running with no timeout', $job->action;
$runner->($self, $job);
}
}
sub run_workers {
my $self = shift;
my $job = $self->job or die error 'no job in worker job slot';
my $set = shift
or return $job->add_status( Status->error('missing set param') );
return unless ref [] eq ref $self->$set and 0 < scalar @{ $self->$set };
(my $phase = $set) =~ s/^workers_//;
$job->enter_phase($phase);
foreach my $worker (@{ $self->$set }) {
try { $job->add_status( $worker->($job) ) }
catch {
debug "-> $_" if $_;
$job->add_status( Status->error($_) );
};
}
}
true;