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# |
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# (c) Jan Gehring |
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# |
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package Rex::Cron::Base; |
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7
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2
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2
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67540
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use v5.12.5; |
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18
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8
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2
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2
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use warnings; |
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4
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2
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91
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our $VERSION = '1.14.2.2'; # TRIAL VERSION |
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12
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2
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2
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417
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use Rex::Logger; |
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2
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53
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13
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2
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2
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594
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use Rex::Commands; |
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2
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16
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14
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2
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2
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use Rex::Commands::File; |
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2
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18
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15
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2
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2
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13
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use Rex::Commands::Fs; |
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2
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5
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2
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14
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16
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2
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2
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15
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use Rex::Helper::Run; |
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2
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8
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2
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151
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17
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2
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2
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use Data::Dumper; |
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6
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2
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89
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18
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2
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2
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13
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use Rex::Helper::Path; |
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2
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7
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2
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3601
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19
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20
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sub new { |
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2
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2
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0
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1613
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my $that = shift; |
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2
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33
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16
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my $proto = ref($that) || $that; |
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2
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6
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my $self = {@_}; |
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25
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2
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6
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bless( $self, $proto ); |
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27
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2
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16
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return $self; |
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} |
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30
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sub list { |
31
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6
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6
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0
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40
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my ($self) = @_; |
32
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6
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9
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return @{ $self->{cron} }; |
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6
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83
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33
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} |
34
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35
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sub list_jobs { |
36
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4
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4
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0
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10318
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my ($self) = @_; |
37
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4
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10
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my @jobs = @{ $self->{cron} }; |
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4
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14
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38
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my @ret = |
39
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25
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38
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map { { line => $_->{line}, %{ $_->{cron} } } } |
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25
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143
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40
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4
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10
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grep { $_->{type} eq "job" } @jobs; |
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69
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117
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41
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} |
42
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43
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sub list_envs { |
44
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6
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6
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0
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3835
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my ($self) = @_; |
45
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6
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9
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my @jobs = @{ $self->{cron} }; |
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6
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46
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46
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6
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16
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my @ret = grep { $_->{type} eq "env" } @jobs; |
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94
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177
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47
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} |
48
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49
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sub add { |
50
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4
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4
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0
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25601
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my ( $self, %config ) = @_; |
51
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52
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4
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15
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%config = $self->_create_defaults(%config); |
53
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54
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my $new_cron = sprintf( |
55
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"%s %s %s %s %s %s", |
56
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$config{"minute"}, $config{"hour"}, $config{"day_of_month"}, |
57
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4
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18
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$config{"month"}, $config{"day_of_week"}, $config{"command"}, |
58
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); |
59
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60
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4
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7
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my $dupe = grep { $_->{line} eq $new_cron } @{ $self->{cron} }; |
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62
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95
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4
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9
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61
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4
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50
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11
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if ($dupe) { |
62
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0
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0
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Rex::Logger::debug("Job \"$new_cron\" already installed, skipping."); |
63
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0
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0
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return 0; |
64
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} |
65
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66
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push( |
67
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4
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6
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@{ $self->{cron} }, |
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4
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15
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68
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{ |
69
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type => "job", |
70
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line => $new_cron, |
71
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cron => \%config, |
72
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} |
73
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); |
74
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75
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4
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10
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return 1; |
76
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} |
77
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78
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sub add_env { |
79
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2
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2
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0
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44547
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my ( $self, $name, $value ) = @_; |
80
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81
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2
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4
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my $env_index = 0; |
82
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2
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4
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my $exists = 0; |
83
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2
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6
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for my $env ( $self->list_envs ) { |
84
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7
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50
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19
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if ( $env->{name} eq "$name" ) { |
85
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0
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0
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0
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if ( $env->{value} ne "\"$value\"" ) { |
86
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0
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0
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Rex::Logger::debug("Environment variable changed : $name"); |
87
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0
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0
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$self->delete_env($env_index); |
88
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} |
89
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else { |
90
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0
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0
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Rex::Logger::debug( |
91
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"Environment variable already exists with same value: $name=$value"); |
92
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0
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0
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$exists = 1; |
93
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} |
94
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} |
95
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96
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7
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12
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$env_index++; |
97
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} |
98
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99
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2
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50
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9
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if ( $exists == 0 ) { |
100
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unshift( |
101
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2
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5
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@{ $self->{cron} }, |
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2
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17
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102
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{ |
103
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type => "env", |
104
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line => "$name=\"$value\"", |
105
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name => $name, |
106
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value => $value, |
107
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} |
108
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); |
109
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} |
110
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} |
111
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112
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sub delete_job { |
113
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2
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2
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0
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11627
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my ( $self, $num ) = @_; |
114
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2
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7
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my @jobs = $self->list_jobs; |
115
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116
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2
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6
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my $i = 0; |
117
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2
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4
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my $to_delete; |
118
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2
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4
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for my $j ( @{ $self->{cron} } ) { |
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2
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7
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119
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23
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100
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45
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if ( $j->{line} eq $jobs[$num]->{line} ) { |
120
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2
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5
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$to_delete = $i; |
121
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2
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5
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last; |
122
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} |
123
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124
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21
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26
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$i++; |
125
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} |
126
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127
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2
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50
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13
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unless ( defined $to_delete ) { |
128
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0
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0
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die("Cron Entry $num not found."); |
129
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} |
130
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131
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2
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8
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$self->delete($to_delete); |
132
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} |
133
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134
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sub delete_env { |
135
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2
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2
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0
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5818
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my ( $self, $num ) = @_; |
136
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137
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2
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5
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my @jobs = $self->list_envs; |
138
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139
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2
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6
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my $i = 0; |
140
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2
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4
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my $to_delete; |
141
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2
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5
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for my $j ( @{ $self->{cron} } ) { |
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2
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6
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142
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3
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100
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9
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if ( $j->{line} eq $jobs[$num]->{line} ) { |
143
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2
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5
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$to_delete = $i; |
144
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2
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7
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last; |
145
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} |
146
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147
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1
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3
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$i++; |
148
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} |
149
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150
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2
|
50
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30
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unless ( defined $to_delete ) { |
151
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0
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0
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die("Cron Entry $num not found."); |
152
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} |
153
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154
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2
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6
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$self->delete($to_delete); |
155
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} |
156
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157
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sub delete { |
158
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6
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6
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0
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48661
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my ( $self, $num ) = @_; |
159
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6
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11
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splice( @{ $self->{cron} }, $num, 1 ); |
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6
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27
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160
|
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} |
161
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162
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# returns a filename where the new cron is written to |
163
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|
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# after that the cronfile must be activated |
164
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sub write_cron { |
165
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1
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|
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1
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0
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16365
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my ($self) = @_; |
166
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|
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167
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1
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|
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8
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my $rnd_file = get_tmp_file; |
168
|
|
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169
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1
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|
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|
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5
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my @lines = map { $_->{line} } @{ $self->{cron} }; |
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18
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47
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1
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|
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5
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170
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171
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1
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|
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7
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my $fh = file_write $rnd_file; |
172
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1
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|
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14
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$fh->write( join( "\n", @lines ) . "\n" ); |
173
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1
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|
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9
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$fh->close; |
174
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175
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1
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|
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|
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9
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return $rnd_file; |
176
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|
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} |
177
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178
|
|
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|
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sub activate_user_cron { |
179
|
0
|
|
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0
|
0
|
0
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my ( $self, $file, $user ) = @_; |
180
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0
|
0
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|
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0
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$user = undef if $user eq &_whoami; |
181
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|
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182
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0
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|
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0
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my $command = 'crontab'; |
183
|
0
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0
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|
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0
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$command .= " -u $user" if defined $user; |
184
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|
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185
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0
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|
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|
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0
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i_run "$command $file"; |
186
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0
|
|
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|
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0
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unlink $file; |
187
|
|
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|
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} |
188
|
|
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189
|
|
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|
|
sub read_user_cron { |
190
|
0
|
|
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0
|
0
|
0
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my ( $self, $user ) = @_; |
191
|
0
|
0
|
|
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0
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$user = undef if $user eq &_whoami; |
192
|
|
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193
|
0
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|
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|
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0
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my $command = 'crontab -l'; |
194
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0
|
0
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|
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0
|
$command .= " -u $user" if defined $user; |
195
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0
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|
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|
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0
|
$command .= ' 2> /dev/null'; |
196
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|
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|
197
|
0
|
|
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|
|
0
|
my @lines = i_run $command, fail_ok => 1; |
198
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0
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|
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0
|
$self->parse_cron(@lines); |
199
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} |
200
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201
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sub parse_cron { |
202
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2
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2
|
0
|
20
|
my ( $self, @lines ) = @_; |
203
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204
|
2
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|
5
|
chomp @lines; |
205
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206
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2
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5
|
my @cron; |
207
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|
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208
|
2
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5
|
for my $line (@lines) { |
209
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210
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|
# comment |
211
|
32
|
100
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|
144
|
if ( $line =~ m/^#/ ) { |
|
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50
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100
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50
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212
|
12
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37
|
push( |
213
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|
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|
|
@cron, |
214
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|
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|
|
{ |
215
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|
|
type => "comment", |
216
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|
|
line => $line, |
217
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|
|
} |
218
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); |
219
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|
|
} |
220
|
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|
221
|
|
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|
|
# empty line |
222
|
|
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|
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|
|
elsif ( $line =~ m/^\s*$/ ) { |
223
|
0
|
|
|
|
|
0
|
push( |
224
|
|
|
|
|
|
|
@cron, |
225
|
|
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|
|
{ |
226
|
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|
|
type => "empty", |
227
|
|
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|
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|
|
line => $line, |
228
|
|
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|
|
} |
229
|
|
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|
|
); |
230
|
|
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|
|
} |
231
|
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|
232
|
|
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|
|
# job |
233
|
|
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|
|
elsif ( $line =~ m/^(@|\*|[0-9])/ ) { |
234
|
14
|
|
|
|
|
69
|
my ( $min, $hour, $day, $month, $dow, $cmd ) = split( /\s+/, $line, 6 ); |
235
|
14
|
|
|
|
|
87
|
push( |
236
|
|
|
|
|
|
|
@cron, |
237
|
|
|
|
|
|
|
{ |
238
|
|
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|
|
|
|
type => "job", |
239
|
|
|
|
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|
|
line => $line, |
240
|
|
|
|
|
|
|
cron => { |
241
|
|
|
|
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|
|
minute => $min, |
242
|
|
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|
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|
|
hour => $hour, |
243
|
|
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|
|
day_of_month => $day, |
244
|
|
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|
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|
|
month => $month, |
245
|
|
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|
|
|
|
day_of_week => $dow, |
246
|
|
|
|
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|
|
command => $cmd, |
247
|
|
|
|
|
|
|
}, |
248
|
|
|
|
|
|
|
} |
249
|
|
|
|
|
|
|
); |
250
|
|
|
|
|
|
|
} |
251
|
|
|
|
|
|
|
|
252
|
|
|
|
|
|
|
elsif ( $line =~ m/=/ ) { |
253
|
6
|
|
|
|
|
22
|
my ( $name, $value ) = split( /=/, $line, 2 ); |
254
|
6
|
|
|
|
|
14
|
$name =~ s/^\s+//; |
255
|
6
|
|
|
|
|
14
|
$name =~ s/\s+$//; |
256
|
6
|
|
|
|
|
9
|
$value =~ s/^\s+//; |
257
|
6
|
|
|
|
|
10
|
$value =~ s/\s+$//; |
258
|
|
|
|
|
|
|
|
259
|
6
|
|
|
|
|
27
|
push( |
260
|
|
|
|
|
|
|
@cron, |
261
|
|
|
|
|
|
|
{ |
262
|
|
|
|
|
|
|
type => "env", |
263
|
|
|
|
|
|
|
line => $line, |
264
|
|
|
|
|
|
|
name => $name, |
265
|
|
|
|
|
|
|
value => $value, |
266
|
|
|
|
|
|
|
} |
267
|
|
|
|
|
|
|
); |
268
|
|
|
|
|
|
|
} |
269
|
|
|
|
|
|
|
|
270
|
|
|
|
|
|
|
else { |
271
|
0
|
|
|
|
|
0
|
Rex::Logger::debug("Error parsing cron line: $line"); |
272
|
0
|
|
|
|
|
0
|
next; |
273
|
|
|
|
|
|
|
} |
274
|
|
|
|
|
|
|
|
275
|
|
|
|
|
|
|
} |
276
|
|
|
|
|
|
|
|
277
|
2
|
|
|
|
|
10
|
$self->{cron} = \@cron; |
278
|
2
|
|
|
|
|
12
|
return @cron; |
279
|
|
|
|
|
|
|
} |
280
|
|
|
|
|
|
|
|
281
|
|
|
|
|
|
|
sub _create_defaults { |
282
|
4
|
|
|
4
|
|
10
|
my ( $self, %config ) = @_; |
283
|
|
|
|
|
|
|
|
284
|
4
|
100
|
|
|
|
12
|
$config{"minute"} = "*" unless defined $config{minute}; |
285
|
4
|
100
|
|
|
|
11
|
$config{"hour"} = "*" unless defined $config{hour}; |
286
|
4
|
100
|
|
|
|
10
|
$config{"day_of_month"} = "*" unless defined $config{day_of_month}; |
287
|
4
|
100
|
|
|
|
10
|
$config{"month"} = "*" unless defined $config{month}; |
288
|
4
|
100
|
|
|
|
9
|
$config{"day_of_week"} = "*" unless defined $config{day_of_week}; |
289
|
4
|
|
100
|
|
|
13
|
$config{"command"} ||= "false"; |
290
|
|
|
|
|
|
|
|
291
|
4
|
|
|
|
|
20
|
return %config; |
292
|
|
|
|
|
|
|
} |
293
|
|
|
|
|
|
|
|
294
|
|
|
|
|
|
|
sub _whoami { |
295
|
0
|
|
|
0
|
|
|
return i_run q(perl -e 'print scalar getpwuid($<)'); |
296
|
|
|
|
|
|
|
} |
297
|
|
|
|
|
|
|
|
298
|
|
|
|
|
|
|
1; |