91 lines
2.6 KiB
Perl
91 lines
2.6 KiB
Perl
package App::Netdisco::Backend::Worker::Manager;
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use Dancer qw/:moose :syntax :script/;
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use List::Util 'sum';
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use App::Netdisco::Util::Backend;
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use Role::Tiny;
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use namespace::clean;
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use App::Netdisco::JobQueue
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qw/jq_locked jq_getsome jq_getsomep jq_lock jq_warm_thrusters/;
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sub worker_begin {
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my $self = shift;
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my $wid = $self->wid;
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return debug "mgr ($wid): no need for manager... skip begin"
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if setting('workers')->{'no_manager'};
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debug "entering Manager ($wid) worker_begin()";
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# job queue initialisation
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jq_warm_thrusters;
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# requeue jobs locally
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debug "mgr ($wid): searching for jobs booked to this processing node";
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my @jobs = jq_locked;
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if (scalar @jobs) {
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info sprintf "mgr (%s): found %s jobs booked to this processing node",
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$wid, scalar @jobs;
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$self->{queue}->enqueuep(100, @jobs);
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}
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}
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sub worker_body {
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my $self = shift;
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my $wid = $self->wid;
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if (setting('workers')->{'no_manager'}) {
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prctl sprintf 'netdisco-backend: worker #%s manager: inactive', $wid;
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return debug "mgr ($wid): no need for manager... quitting"
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}
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while (1) {
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prctl sprintf 'netdisco-backend: worker #%s manager: gathering', $wid;
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my $num_slots = 0;
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$num_slots = parse_max_workers( setting('workers')->{tasks} )
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- $self->{queue}->pending();
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debug "mgr ($wid): getting potential jobs for $num_slots workers (HP)";
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# get some high priority jobs
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# TODO also check for stale jobs in Netdisco DB
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foreach my $job ( jq_getsomep($num_slots) ) {
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# mark job as running
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next unless jq_lock($job);
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info sprintf "mgr (%s): job %s booked out for this processing node",
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$wid, $job->job;
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# copy job to local queue
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$self->{queue}->enqueuep(100, $job);
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}
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$num_slots = parse_max_workers( setting('workers')->{tasks} )
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- $self->{queue}->pending();
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debug "mgr ($wid): getting potential jobs for $num_slots workers (NP)";
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# get some normal priority jobs
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# TODO also check for stale jobs in Netdisco DB
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foreach my $job ( jq_getsome($num_slots) ) {
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# mark job as running
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next unless jq_lock($job);
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info sprintf "mgr (%s): job %s booked out for this processing node",
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$wid, $job->job;
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# copy job to local queue
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$self->{queue}->enqueue($job);
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}
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debug "mgr ($wid): sleeping now...";
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prctl sprintf 'netdisco-backend: worker #%s manager: idle', $wid;
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sleep( setting('workers')->{sleep_time} || 1 );
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}
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}
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1;
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