118 lines
2.6 KiB
Perl
Executable File
118 lines
2.6 KiB
Perl
Executable File
#!/usr/bin/env perl
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use Dancer ':script';
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use Dancer::Plugin::DBIC 'schema';
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# add dispatch methods for each port control action
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use base 'Netdisco::PortControl::Actions';
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use Daemon::Generic::While1;
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use Netdisco::Util qw/load_nd_config is_discoverable/;
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use Try::Tiny;
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newdaemon(
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progname => 'netdisco-daemon',
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($> != 0 ? (pidbase => './') : ()),
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configfile => '/etc/netdisco/netdisco.conf',
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logpriority => 'daemon.info',
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);
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sub gd_preconfig {
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my $self = shift;
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my $config = load_nd_config($self->{configfile});
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$self->gd_error("No read-write community string has been set.")
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unless length $config->{_}->{community_rw};
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# add local settings
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$config->{loc} = {
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sleep_time => 5,
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};
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return (); # important
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}
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sub gd_run_body {
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my $self = shift;
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# get all pending jobs
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my $rs = schema('netdisco')->resultset('Admin')->search({
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action => [qw/location contact portcontrol portname vlan/],
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status => 'queued',
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});
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while (my $job = $rs->next) {
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my $target = 'set_'. $job->action;
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next unless $self->can($target);
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# filter for discover_*
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next unless is_discoverable($job->device);
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# mark job as running
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next unless $self->lock_job($job);
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# do job
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my ($status, $log) = $self->$target($job);
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# revert to queued status if we failed to action the job
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if (not $status) {
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$self->revert_job($job->job);
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}
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else {
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# update job state to done/error with log
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$self->close_job($job->job, $status, $log);
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}
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}
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$self->gd_sleep( var('nd_config')->{loc}->{sleep_time} );
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}
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sub revert_job {
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my ($self, $id) = @_;
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try {
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schema('netdisco')->resultset('Admin')
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->find($id)
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->update({status => 'queued', started => undef});
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}
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catch { warn "error reverting job: $_\n" };
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}
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sub close_job {
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my ($self, $id, $status, $log) = @_;
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try {
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schema('netdisco')->resultset('Admin')
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->find($id)
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->update({status => $status, log => $log, finished => \'now()'});
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}
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catch { warn "error closing job: $_\n" };
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}
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sub lock_job {
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my ($self, $job) = @_;
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# lock db table, check job state is still queued, update to running
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try {
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my $status_updated = schema('netdisco')->txn_do(sub {
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my $row = schema('netdisco')->resultset('Admin')->find(
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{job => $job->job},
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{for => 'update'}
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);
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return 0 if $row->status ne 'queued';
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$row->update({status => 'running', started => \'now()'});
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return 1;
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});
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return 0 if not $status_updated;
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}
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catch {
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warn "error locking job: $_\n";
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return 0;
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};
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return 1;
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}
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