mirror of
https://github.com/duncs/clusterssh.git
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43d4f1d246
Code previously added did not work as intended, so removed as it was unnecessary. Leave in macro substitution for '--action' though as this resolves Github issue #42. Rework wording in Changes file
165 lines
3.9 KiB
Perl
165 lines
3.9 KiB
Perl
package App::ClusterSSH::Helper;
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use strict;
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use warnings;
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use version;
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our $VERSION = version->new('0.02');
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use Carp;
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use Try::Tiny;
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use base qw/ App::ClusterSSH::Base /;
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sub new {
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my ( $class, %args ) = @_;
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my $self = $class->SUPER::new(%args);
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return $self;
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}
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sub script {
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my ( $self, $config ) = @_;
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if ( !defined $config
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|| !ref $config
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|| ref $config ne "App::ClusterSSH::Config" )
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{
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croak(
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App::ClusterSSH::Exception::Helper->throw(
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error => 'No configuration provided or in wrong format',
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),
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);
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}
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foreach my $arg ( "comms", $config->{comms}, $config->{comms} . '_args',
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'command', 'auto_close' )
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{
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if ( !defined $config->{$arg} ) {
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croak(
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App::ClusterSSH::Exception::Helper->throw(
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error => "Config '$arg' not provided",
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),
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);
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}
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}
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my $comms = $config->{ $config->{comms} };
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my $comms_args = $config->{ $config->{comms} . '_args' };
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my $config_command = $config->{command};
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my $autoclose = $config->{auto_close};
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my $postcommand
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= $autoclose
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? "echo Sleeping for $autoclose seconds; sleep $autoclose"
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: "echo Press RETURN to continue; read IGNORE"
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; # : "sleep $autoclose";
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my $script = <<" HERE";
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my \$pipe=shift;
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my \$svr=shift;
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my \$user=shift;
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my \$port=shift;
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my \$mstr=shift;
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my \$command="$comms $comms_args ";
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open(PIPE, ">", \$pipe) or die("Failed to open pipe: \$!\\n");
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print PIPE "\$\$:\$ENV{WINDOWID}"
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or die("Failed to write to pipe: $!\\n");
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close(PIPE) or die("Failed to close pipe: $!\\n");
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if(\$svr =~ m/==\$/)
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{
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\$svr =~ s/==\$//;
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warn("\\nWARNING: failed to resolve IP address for \$svr.\\n\\n"
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);
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sleep 5;
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}
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if(\$mstr) {
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unless("$comms" ne "console") {
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\$mstr = \$mstr ? "-M \$mstr " : "";
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\$command .= \$mstr;
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}
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}
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if(\$user) {
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unless("$comms" eq "telnet") {
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\$user = \$user ? "-l \$user " : "";
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\$command .= \$user;
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}
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}
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if("$comms" eq "telnet") {
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\$command .= "\$svr \$port";
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} else {
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if (\$port) {
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\$command .= "-p \$port \$svr";
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} else {
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\$command .= "\$svr";
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}
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}
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if("$config_command") {
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\$command .= " \\\"$config_command\\\"";
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}
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\$command .= " ; $postcommand";
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# provide some info for debugging purposes
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warn("Running: \$command\\n");
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exec(\$command);
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HERE
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$self->debug( 4, $script );
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$self->debug( 2, 'Helper script done' );
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return $script;
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}
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#use overload (
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# q{""} => sub {
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# my ($self) = @_;
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# return $self->{hostname};
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# },
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# fallback => 1,
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#);
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1;
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=pod
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=head1 NAME
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ClusterSSH::Helper - Object representing helper script
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=head1 SYNOPSIS
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=head1 DESCRIPTION
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Object representing application configuration
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=head1 METHODS
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=over 4
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=item $host=ClusterSSH::Helper->new ({ })
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Create a new helper object.
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=item $host=ClusterSSH::Helper->script ({ })
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Return the helper script
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=back
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=head1 AUTHOR
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Duncan Ferguson, C<< <duncan_j_ferguson at yahoo.co.uk> >>
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=head1 LICENSE AND COPYRIGHT
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Copyright 1999-2015 Duncan Ferguson.
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This program is free software; you can redistribute it and/or modify it
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under the terms of either: the GNU General Public License as published
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by the Free Software Foundation; or the Artistic License.
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See http://dev.perl.org/licenses/ for more information.
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=cut
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1;
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