148 lines
3.6 KiB
Perl
148 lines
3.6 KiB
Perl
# --
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# Copyright (C) 2001-2019 OTRS AG, https://otrs.com/
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# --
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# This software comes with ABSOLUTELY NO WARRANTY. For details, see
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# the enclosed file COPYING for license information (GPL). If you
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# did not receive this file, see https://www.gnu.org/licenses/gpl-3.0.txt.
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# --
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package Kernel::System::Daemon::DaemonModules::SchedulerFutureTaskManager;
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use strict;
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use warnings;
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use utf8;
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use parent qw(Kernel::System::Daemon::BaseDaemon);
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our @ObjectDependencies = (
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'Kernel::Config',
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'Kernel::System::DB',
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'Kernel::System::Daemon::SchedulerDB',
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'Kernel::System::Cache',
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'Kernel::System::Log',
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);
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=head1 NAME
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Kernel::System::Daemon::DaemonModules::SchedulerFutureTaskManager - daemon to manage scheduler future tasks
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=head1 DESCRIPTION
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Scheduler future task daemon
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=head1 PUBLIC INTERFACE
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=head2 new()
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Create scheduler future task manager object.
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=cut
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sub new {
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my ( $Type, %Param ) = @_;
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# Allocate new hash for object.
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my $Self = {};
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bless $Self, $Type;
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# Get objects in constructor to save performance.
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$Self->{ConfigObject} = $Kernel::OM->Get('Kernel::Config');
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$Self->{CacheObject} = $Kernel::OM->Get('Kernel::System::Cache');
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$Self->{DBObject} = $Kernel::OM->Get('Kernel::System::DB');
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$Self->{SchedulerDBObject} = $Kernel::OM->Get('Kernel::System::Daemon::SchedulerDB');
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# Disable in memory cache to be clusterable.
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$Self->{CacheObject}->Configure(
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CacheInMemory => 0,
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CacheInBackend => 1,
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);
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# Get the NodeID from the SysConfig settings, this is used on High Availability systems.
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$Self->{NodeID} = $Self->{ConfigObject}->Get('NodeID') || 1;
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# Check NodeID, if does not match is impossible to continue.
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if ( $Self->{NodeID} !~ m{ \A \d+ \z }xms && $Self->{NodeID} > 0 && $Self->{NodeID} < 1000 ) {
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$Kernel::OM->Get('Kernel::System::Log')->Log(
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Priority => 'error',
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Message => "NodeID '$Self->{NodeID}' is invalid!",
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);
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return;
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}
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# Do not change the following values!
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# Modulo in PreRun() can be damaged after a change.
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$Self->{SleepPost} = 1; # sleep 1 second after each loop
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$Self->{Discard} = 60 * 60; # discard every hour
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$Self->{DiscardCount} = $Self->{Discard} / $Self->{SleepPost};
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$Self->{Debug} = $Param{Debug};
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$Self->{DaemonName} = 'Daemon: SchedulerFutureTaskManager';
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return $Self;
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}
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sub PreRun {
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my ( $Self, %Param ) = @_;
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# Check the database connection each 10 seconds.
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return 1 if $Self->{DiscardCount} % ( 10 / $Self->{SleepPost} );
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# Check if database is on-line.
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return 1 if $Self->{DBObject}->Ping();
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sleep 10;
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return;
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}
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sub Run {
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my ( $Self, %Param ) = @_;
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return if !$Self->{SchedulerDBObject}->FutureTaskToExecute(
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NodeID => $Self->{NodeID},
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PID => $$,
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);
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return 1;
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}
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sub PostRun {
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my ( $Self, %Param ) = @_;
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sleep $Self->{SleepPost};
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$Self->{DiscardCount}--;
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if ( $Self->{Debug} && $Self->{DiscardCount} == 0 ) {
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print " $Self->{DaemonName} will be stopped and set for restart!\n";
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}
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return if $Self->{DiscardCount} <= 0;
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return 1;
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}
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sub Summary {
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my ( $Self, %Param ) = @_;
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return $Self->{SchedulerDBObject}->FutureTaskSummary();
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}
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sub DESTROY {
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my $Self = shift;
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return 1;
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}
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1;
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=head1 TERMS AND CONDITIONS
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This software is part of the OTRS project (L<https://otrs.org/>).
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This software comes with ABSOLUTELY NO WARRANTY. For details, see
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the enclosed file COPYING for license information (GPL). If you
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did not receive this file, see L<https://www.gnu.org/licenses/gpl-3.0.txt>.
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=cut
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