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NUCLON / Mojo-Command-Generate-InitScript-0.03 / lib / Mojo / Command / Generate / InitScript / Freebsd.pm 

            

              
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package Mojo::Command::Generate::InitScript::Freebsd;
use warnings;
use strict;
use File::Spec;
#use base 'Mojo::Command::Generate::InitScript::Base';
use base 'Mojo::Command';
use Getopt::Long 'GetOptions';
use File::Spec;
use IO::File;
__PACKAGE__->attr(usage => <<"EOF");
FreeBSD related initscript options:
    --before <applist>         Defines services which 
                               should start after this initscript
                               for example: --before nginx
    --requre <applist>         Defines services which
                               should be started before this initscript
                               for example: --requre postgresql
EOF
sub run
{
        my ( $self, $opt ) = @_;
        $opt->{'before'}  = [];
        $opt->{'require'} = [];
        GetOptions($opt,
                'before=s{,}', 'require=s{,}',
        );
        my $rc_file = $opt->{'deploy'}
                                ? '/usr/local/etc/rc.d/'. $opt->{'name'}
                                : File::Spec->join($opt->{'output'}, $opt->{'name'});
        $self->render_to_file( 'initscript', $rc_file, $opt );
        $self->chmod_file( $rc_file, 0755 );
        # update /etc/rc.conf
        $self->update_rc_conf( $opt->{'name'} ) if $opt->{'deploy'};
}
sub update_rc_conf
{
        my ( $self, $name ) = @_;
        my $fh = IO::File->new();
        $fh->open('/etc/rc.conf', '+<') or die qq{Can't open /etc/rc.conf\n};
        my $current_pos = 0;
        my @lines = ();
        my $read_lines = 0;
        my $update_from_pos = undef;
        my $already_done = 0;
        while ( my $line = $fh->getline )
        {
                chomp $line;
                if ( $read_lines )
                {
                        push @lines, $line;
                        next;
                }
                if ( $line =~ m/^\Q$name\E_enable="(.*?)"$/i )
                {
                        if ( $1 =~ /^yes$/i )
                        {
                                $already_done = 1;
                                last;
                        }
                        $update_from_pos = $current_pos;
                        $read_lines = 1;
                }
                $current_pos = $fh->tell;
        }
        if ( ! $already_done )
        {
                if ( defined $update_from_pos )
                {
                        $fh->seek( $update_from_pos, 0 );
                }
                $fh->print("\n") if $fh->eof;
                $fh->print($name, '_enable="YES"', "\n");
                if ( @lines )
                {
                        $fh->print( join("\n", @lines) );
                }
                $fh->truncate( $fh->tell );
        }
        close $fh;
}
1;
__DATA__
@@ initscript
% my $opt = shift;
% my $name = $opt->{'name'};
#!/bin/sh
# PROVIDE: <%= $name %>
% if ( @{ $opt->{'before'} } )
% {
# BEFORE: <%= join(' ', @{ $opt->{'before'} }) %>
% }
# REQUIRE: NETWORKING<%= @{ $opt->{'require'} } ? ' '.join(' ', @{ $opt->{'require'} }) : '' %>
# KEYWORD: shutdown
. /etc/rc.subr
name="<%= $name %>"
rcvar=`set_rcvar`
load_rc_config $name
: ${<%= $name %>_enable="NO"}
: ${<%= $name %>_pidfile="/var/tmp/<%= $name %>.pid"}
: ${<%= $name %>_mode="daemon_prefork"}
: ${<%= $name %>_args=""}
: ${<%= $name %>_user="nobody"}
command="<%= $opt->{'app_script'} %>"
extra_commands="reload"
pidfile="${<%= $name %>_pidfile}"
sig_reload="USR1"
command_args="${<%= $name %>_mode} --daemonize --pid ${<%= $name %>_pidfile} --user ${<%= $name %>_user} ${<%= $name %>_args}"
procname="perl"
run_rc_command "$1"
__END__
=head1 NAME
Mojo::Command::Generate::InitScript::Freebsd - Initscript generator for FreeBSD
=head1 SYNOPSYS
        $ ./mojo_app.pl generate help init_script freebsd
        usage: ./mojo_app.pl generate init_script target_os [OPTIONS]
        These options are available:
                --output <folder>   Set folder to output initscripts
                --deploy            Deploy initscripts into OS
                                                        Either --deploy or --output=dist should be specified
                --name <name>       Ovewrite name which is used for initscript filename(s)
        FreeBSD related initscript options:
                --before <applist>         Defines services which
                                                                   should start after this initscript
                                                                   for example: --before nginx
                --requre <applist>         Defines services which
                                                                   should be started before this initscript
                                                                   for example: --requre postgresql
=cut