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package Extraopts;
use strict;
use File::Basename;
use Data::Dumper;
sub new {
my $class = shift;
my %params = @_;
my $self = {
file => $params{file},
commandline => $params{commandline},
config => {},
section => 'default_no_section',
};
bless $self, $class;
$self->prepare_file_and_section();
$self->init();
return $self;
}
sub prepare_file_and_section {
my $self = shift;
if (! defined $self->{file}) {
# ./check_stuff --extra-opts
$self->{section} = basename($0);
$self->{file} = $self->get_default_file();
} elsif ($self->{file} =~ /^[^@]+$/) {
# ./check_stuff --extra-opts=special_opts
$self->{section} = $self->{file};
$self->{file} = $self->get_default_file();
} elsif ($self->{file} =~ /^@(.*)/) {
# ./check_stuff --extra-opts=@/etc/myconfig.ini
$self->{section} = basename($0);
$self->{file} = $1;
} elsif ($self->{file} =~ /^(.*?)@(.*)/) {
# ./check_stuff --extra-opts=special_opts@/etc/myconfig.ini
$self->{section} = $1;
$self->{file} = $2;
}
}
sub get_default_file {
my $self = shift;
foreach my $default (qw(/etc/nagios/plugins.ini
/usr/local/nagios/etc/plugins.ini
/usr/local/etc/nagios/plugins.ini
/etc/opt/nagios/plugins.ini
/etc/nagios-plugins.ini
/usr/local/etc/nagios-plugins.ini
/etc/opt/nagios-plugins.ini)) {
if (-f $default) {
return $default;
}
}
return undef;
}
sub init {
my $self = shift;
if (! defined $self->{file}) {
$self->{errors} = sprintf 'no extra-opts file specified and no default file found';
} elsif (! -f $self->{file}) {
$self->{errors} = sprintf 'could not open %s', $self->{file};
} else {
my $data = do { local (@ARGV, $/) = $self->{file}; <> };
my $in_section = 'default_no_section';
foreach my $line (split(/\n/, $data)) {
if ($line =~ /\[(.*)\]/) {
$in_section = $1;
} elsif ($line =~ /(.*?)\s*=\s*(.*)/) {
$self->{config}->{$in_section}->{$1} = $2;
}
}
}
}
sub is_valid {
my $self = shift;
return ! exists $self->{errors};
}
sub overwrite {
my $self = shift;
my %commandline = ();
if (scalar(keys %{$self->{config}->{default_no_section}}) > 0) {
foreach (keys %{$self->{config}->{default_no_section}}) {
$commandline{$_} = $self->{config}->{default_no_section}->{$_};
}
}
if (exists $self->{config}->{$self->{section}}) {
foreach (keys %{$self->{config}->{$self->{section}}}) {
$commandline{$_} = $self->{config}->{$self->{section}}->{$_};
}
}
foreach (keys %commandline) {
if (! exists $self->{commandline}->{$_}) {
$self->{commandline}->{$_} = $commandline{$_};
}
}
}
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