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lib/Config/HAProxy.pm  view on Meta::CPAN

	    unlink $tempfile;
	    if ($errbuf && @$errbuf) {
		croak "Syntax check failed: ".join("\n", @$errbuf)."\n";
	    }
	    croak $err;
	}
    }
    return 1 if $dry_run;
    
    my $sb = stat($self->filename);
    $self->backup;
    rename($tempfile, $self->filename)
	or croak "can't rename $tempfile to ".$self->tempfile.": $!";
    # This will succeed: we've created the file, so we're owning it.
    chmod $sb->mode & 0777, $self->filename;
    # This will fail unless we are root, let it be so.
    chown $sb->uid, $sb->gid, $self->filename;
    
    $self->tree->clear_dirty;
    return 1;
}

sub backup_name {
    my $self = shift;
    $self->filename . '~'
}

sub backup {
    my $self = shift;
    my $backup = $self->backup_name;
    if (-f $backup) {
	unlink $backup
	    or croak "can't unlink $backup: $!"
    }
    rename $self->filename, $self->backup_name
	or croak "can't rename :"
	         . $self->filename
		 . " to "
		 . $self->backup_name
		 . ": $!";
}

1;	
__END__

=head1 NAME

Config::HAProxy - Parser for HAProxy configuration file

lib/Config/HAProxy.pm  view on Meta::CPAN

        # do something with $node
    }

    $cfg->lint(enable => 1, command => 'haproxy -c -f',
               path => '/sbin:/usr/sbin')

    $cfg->save(%hash);

    $cfg->write($file_or_handle, %hash);

    $cfg->backup;
    $name = $self->backup_name;

    $cfg->reset;
    $cfg->push($node);
    $node = $cfg->pop;
    $node = $cfg->tos;
    $node = $cfg->tree;

=head1 DESCRIPTION

The B<Config::HAProxy> class is a parser that converts the B<HAProxy>