update gitignore

.gitignore

@@ -25,6 +25,9 @@ multi_ec2.yaml
 .eggs
 cover/
 test/libvirt/install-config.yml
+test/libvirt/.openshift_install_state.json
+test/libvirt/.openshift_install.log
+test/libvirt/*.ign
 test/libvirt/install-config-ansible.yml
 test/libvirt/terraform/terraform.tfvars
 test/libvirt/terraform/.terraform

test/libvirt/group_vars/nodes.yml

@@ -1,3 +1,4 @@
+---
 openshift_additional_repos:
   - name: "origin-pr"
     baseurl: "https://rpms.svc.ci.openshift.org/openshift-origin-v4.0/"