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|
package MON::Config;
use strict;
use warnings;
use v5.10;
use autodie;
use IO::File;
use Data::Dumper;
use MON::Display;
use MON::Utils;
#use MON::Options;
use MIME::Base64 qw( decode_base64 );
our @ISA = ('MON::Display');
sub new {
my ( $class, %opts ) = @_;
my $self = bless \%opts, $class;
my $options = $self->{options};
$options->store_first($self);
$self->SUPER::init(%opts);
for ( @{ $options->{unknown} } ) {
$self->error("Unknown option: $_");
}
if ( $self->{'config'} ne '' ) {
$self->read_config( $self->{'config'} );
}
elsif ( exists $ENV{MON_CONFIG} ) {
$self->read_config( $ENV{MON_CONFIG} );
}
else {
$self->read_config('/etc/mon.conf');
$self->read_config($_) for sort glob("/etc/mon.d/*.conf");
$self->read_config("$ENV{HOME}/.mon.conf");
$self->read_config($_) for sort glob("$ENV{HOME}/.mon.d/*.conf");
}
$options->store_after($self);
unless ( exists $self->{config_was_read} ) {
$self->verbose("No config file found, but this might be OK");
}
$self->_set_defaults();
return $self;
}
sub _set_defaults {
my ($self) = @_;
my $set_default = sub {
my ( $key, $val ) = @_;
unless ( exists $self->{$key} ) {
$self->{$key} = $val;
$self->verbose(
"Since $key is not specified setting its default value to $val");
}
};
$set_default->( 'backups.dir' => "$ENV{HOME}/.mon" );
$set_default->( 'backups.disable' => 1 );
$set_default->( 'backups.keep.days' => 7 );
$set_default->( 'restlos.api.port' => '443' );
$set_default->( 'restlos.api.protocol' => 'https' );
$set_default->( 'restlos.auth.realm' => 'Login Required' );
$set_default->( 'restlos.auth.username' => $ENV{USER} );
}
sub read_config {
my ( $self, $config_file ) = @_;
return undef if not defined $config_file or not -f $config_file;
my $fh = IO::File->new( $config_file, 'r' );
$self->error("Could not open file $config_file") unless defined $fh;
$self->verbose("Reading config $config_file");
while ( my $line = $fh->getline() ) {
next if $line =~ /^#/;
# Ignore comments
$line =~ s/(.*);.*/$1/;
# Parse only matching lines
if ( $line =~ /^(.*):(.*)/ ) {
my ( $key, $val ) = ( lc trim $1, trim $2);
$self->verbose("Reading conf value $key");
# Handle ~
$val =~ s/~/$ENV{HOME}/g;
$self->set( $key, $val );
}
}
$fh->close();
$self->{config_was_read} = 1;
return undef;
}
sub get {
my ( $self, $key ) = @_;
$key = lc $key;
$self->{$key} //= do {
my $key = uc $key;
$key =~ s/\./_/g;
exists $ENV{$key} ? $ENV{$key} : undef;
};
if ( not exists $self->{$key}
or not defined $self->{$key}
or $self->{$key} eq '' )
{
$self->error("$key not configured");
}
return $self->{$key};
}
sub get_maybe_encoded {
my ( $self, $key ) = @_;
return $self->get($key) if exists $self->{$key};
$self->error("$key or $key.enc not configured")
unless exists $self->{"$key.enc"};
my $enc = $self->get("$key.enc");
return decode_base64($enc);
}
sub bool {
my ( $self, $key ) = @_;
my $val = $self->get($key);
return $val != 0;
}
sub array {
my ( $self, $key ) = @_;
my $val = $self->get($key);
return map { trim $_ } split ',', $val;
}
sub set {
my ( $self, $key, $val ) = @_;
$key = lc $key;
$self->verbose("$key already configured, overwriting it with its new value")
if exists $self->{$key};
return $self->{$key} = $val;
}
1;
|
