Removed requiretty from instance during creation.

gce-create-instances.yml

diff --git a/gce-create-instances.yml b/gce-create-instances.yml
index 05e7b4d..1ceb5c8 100644
--- a/gce-create-instances.yml
+++ b/gce-create-instances.yml
@@ -28,7 +28,7 @@
       credentials_file: '{{ credentials_file }}'
       state: present
       tags: "{{ default_firewall_tags }}"
-      metadata: '{}'
+      metadata: '{ startup-script: sudo sed -i "s/^.*requiretty/Defaults !requiretty/" /etc/sudoers }'
     register: gce
 
 #  - name: Create firewall rule