made resolv.conf file path configurable

diff --git a/lib/System/Introspector/ResolvConf.pm b/lib/System/Introspector/ResolvConf.pm
index cf9513c..7def573 100644 (file)
--- a/lib/System/Introspector/ResolvConf.pm
+++ b/lib/System/Introspector/ResolvConf.pm
@@ -1,6 +1,11 @@
 package System::Introspector::ResolvConf;
 use Moo;
 
+has resolv_conf_file => (
+    is      => 'ro',
+    default => sub { '/etc/resolv.conf' },
+);
+
 sub gather {
     my ($self) = @_;
     my $fh = $self->_open_resolv_conf_file;
@@ -16,8 +21,9 @@ sub gather {
 
 sub _open_resolv_conf_file {
     my ($self) = @_;
-    open my $fh, '<', '/etc/resolv.conf'
-        or die "Unable to read /etc/resolv.conf: $!";
+    my $file = $self->resolv_conf_file;
+    open my $fh, '<', $file
+        or die "Unable to read $file: $!";
     return $fh;
 }