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package Svsh::Runit; |
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use Moo; |
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use namespace::clean; |
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use Proc::Killall; |
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our $DEFAULT_BASEDIR = -e '/etc/service' ? '/etc/service' : '/service'; |
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with 'Svsh'; |
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=head1 NAME |
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Svsh::Runit - runit support for svsh |
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=head1 DESCRIPTION |
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This class provides support for L |
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to L - the supervisor shell. |
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=head2 DEFAULT BASE DIRECTORY |
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Traditionally, C used C as the default base directory, |
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but versions 1.9.0 changed the default to C. C still recommends |
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C for FHS compliant systems, so this class uses C |
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if it exists, or C otherwise, if a base directory is not provided |
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to C. |
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=head1 IMPLEMENTED METHODS |
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Refer to L for complete explanation of these methods. Only changes from |
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the base specifications are listed here. |
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=head2 status() |
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=cut |
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sub status { |
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my $statuses = {}; |
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foreach ($_[0]->_service_dirs) { |
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my $raw = $_[0]->run_cmd('sv', 'status', $_[0]->basedir.'/'.$_); |
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my ($status, $pid, $duration) = $raw =~ m/^([^:]+):[^:]+:(?: \(pid (\d+)\))? (\d+)s/; |
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$status = 'up' |
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if $status eq 'run'; |
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$statuses->{$_} = { |
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status => $status, |
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duration => $duration || 0, |
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pid => $pid || '-' |
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}; |
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} |
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return $statuses; |
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} |
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=head start( @services ) |
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=cut |
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sub start { |
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$_[0]->run_cmd('sv', 'up', map { $_[0]->basedir.'/'.$_ } @{$_[2]->{args}}); |
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} |
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=head stop( @services ) |
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=cut |
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sub stop { |
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$_[0]->run_cmd('sv', 'down', map { $_[0]->basedir.'/'.$_ } @{$_[2]->{args}}); |
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} |
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=head restart( @services ) |
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=cut |
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sub restart { |
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$_[0]->run_cmd('sv', 'quit', map { $_[0]->basedir.'/'.$_ } @{$_[2]->{args}}); |
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} |
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=head signal( $signal, @services ) |
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=cut |
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sub signal { |
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my ($sign, @sv) = @{$_[2]->{args}}; |
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# convert signal to perpctl command |
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$sign =~ s/^sig//i; |
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if ($sign =~ m/^usr(1|2)$/) { |
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$sign = $1; |
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} elsif ($sign eq 'alrm') { |
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$sign = 'alarm'; |
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} elsif ($sign eq 'int') { |
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$sign = 'interrupt'; |
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} |
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$_[0]->run_cmd('sv', lc($sign), map { $_[0]->basedir.'/'.$_ } @sv); |
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} |
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=head2 fg( $service ) |
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=cut |
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sub fg { |
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# find out the pid of the logging process |
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my $text = $_[0]->run_cmd('sv', 'status', $_[0]->basedir.'/'.$_[2]->{args}->[0]); |
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my $pid = ($text =~ m/log: \(pid (\d+)\)/)[0] |
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|| die "Can't figure out pid of the logging process"; |
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111
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# find out the current log file |
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my $logfile = $_[0]->find_logfile($pid) |
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|| die "Can't find out process' log file"; |
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$_[0]->run_cmd('tail', '-f', $logfile, { as_system => 1 }); |
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} |
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118
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=head2 terminate() |
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120
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=cut |
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sub terminate { |
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my $basedir = $_[0]->basedir; |
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killall('HUP', "runsvdir $basedir"); |
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} |
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=head1 BUGS AND LIMITATIONS |
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129
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Please report any bugs or feature requests to |
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L. |
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=head1 AUTHOR |
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Ido Perlmuter |
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Thanks to the guys at the L, |
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especially Colin Booth, for helping out with suggestions and information. |
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=head1 LICENSE AND COPYRIGHT |
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Copyright (c) 2015-2023, Ido Perlmuter C<< ido@ido50.net >>. |
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Licensed under the Apache License, Version 2.0 (the "License"); |
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you may not use this file except in compliance with the License. |
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You may obtain a copy of the License at |
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http://www.apache.org/licenses/LICENSE-2.0 |
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Unless required by applicable law or agreed to in writing, software |
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distributed under the License is distributed on an "AS IS" BASIS, |
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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See the License for the specific language governing permissions and |
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limitations under the License. |
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=cut |
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1; |
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__END__ |