1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
|
# --
# Copyright (C) 2001-2021 OTRS AG, https://otrs.com/
# --
# This software comes with ABSOLUTELY NO WARRANTY. For details, see
# the enclosed file COPYING for license information (GPL). If you
# did not receive this file, see https://www.gnu.org/licenses/gpl-3.0.txt.
# --
package Kernel::System::Daemon::DaemonModules::SchedulerFutureTaskManager;
use strict;
use warnings;
use utf8;
use parent qw(Kernel::System::Daemon::BaseDaemon);
our @ObjectDependencies = (
'Kernel::Config',
'Kernel::System::DB',
'Kernel::System::Daemon::SchedulerDB',
'Kernel::System::Cache',
'Kernel::System::Log',
);
=head1 NAME
Kernel::System::Daemon::DaemonModules::SchedulerFutureTaskManager - daemon to manage scheduler future tasks
=head1 DESCRIPTION
Scheduler future task daemon
=head1 PUBLIC INTERFACE
=head2 new()
Create scheduler future task manager object.
=cut
sub new {
my ( $Type, %Param ) = @_;
# Allocate new hash for object.
my $Self = {};
bless $Self, $Type;
# Get objects in constructor to save performance.
$Self->{ConfigObject} = $Kernel::OM->Get('Kernel::Config');
$Self->{CacheObject} = $Kernel::OM->Get('Kernel::System::Cache');
$Self->{DBObject} = $Kernel::OM->Get('Kernel::System::DB');
$Self->{SchedulerDBObject} = $Kernel::OM->Get('Kernel::System::Daemon::SchedulerDB');
# Disable in memory cache to be clusterable.
$Self->{CacheObject}->Configure(
CacheInMemory => 0,
CacheInBackend => 1,
);
# Get the NodeID from the SysConfig settings, this is used on High Availability systems.
$Self->{NodeID} = $Self->{ConfigObject}->Get('NodeID') || 1;
# Check NodeID, if does not match is impossible to continue.
if ( $Self->{NodeID} !~ m{ \A \d+ \z }xms && $Self->{NodeID} > 0 && $Self->{NodeID} < 1000 ) {
$Kernel::OM->Get('Kernel::System::Log')->Log(
Priority => 'error',
Message => "NodeID '$Self->{NodeID}' is invalid!",
);
return;
}
# Do not change the following values!
# Modulo in PreRun() can be damaged after a change.
$Self->{SleepPost} = 1; # sleep 1 second after each loop
$Self->{Discard} = 60 * 60; # discard every hour
$Self->{DiscardCount} = $Self->{Discard} / $Self->{SleepPost};
$Self->{Debug} = $Param{Debug};
$Self->{DaemonName} = 'Daemon: SchedulerFutureTaskManager';
return $Self;
}
sub PreRun {
my ( $Self, %Param ) = @_;
# Check the database connection each 10 seconds.
return 1 if $Self->{DiscardCount} % ( 10 / $Self->{SleepPost} );
# Check if database is on-line.
return 1 if $Self->{DBObject}->Ping();
sleep 10;
return;
}
sub Run {
my ( $Self, %Param ) = @_;
return if !$Self->{SchedulerDBObject}->FutureTaskToExecute(
NodeID => $Self->{NodeID},
PID => $$,
);
return 1;
}
sub PostRun {
my ( $Self, %Param ) = @_;
sleep $Self->{SleepPost};
$Self->{DiscardCount}--;
if ( $Self->{Debug} && $Self->{DiscardCount} == 0 ) {
print " $Self->{DaemonName} will be stopped and set for restart!\n";
}
return if $Self->{DiscardCount} <= 0;
return 1;
}
sub Summary {
my ( $Self, %Param ) = @_;
return $Self->{SchedulerDBObject}->FutureTaskSummary();
}
sub DESTROY {
my $Self = shift;
return 1;
}
1;
=head1 TERMS AND CONDITIONS
This software is part of the OTRS project (L<https://otrs.org/>).
This software comes with ABSOLUTELY NO WARRANTY. For details, see
the enclosed file COPYING for license information (GPL). If you
did not receive this file, see L<https://www.gnu.org/licenses/gpl-3.0.txt>.
=cut
|
