commit d643a82127f279f50bba6a94b2d5f818b47b25f0
author Zack Williams <zdw@cs.arizona.edu> Wed Aug 17 09:48:14 2016 -0700
committer Zack Williams <zdw@cs.arizona.edu> Wed Aug 17 09:50:36 2016 -0700
tree 16214348f63b47e050431e0741826397bb32705d
parent 007529620e9f8f456d25d676533ad96f1b71a12e

Retry DNS checks to make more robust

Change-Id: I60a90871c64a4cc71bec6ff9643f2b39c21e21c4

roles/prereqs-common/tasks/main.yml

diff --git a/roles/prereqs-common/tasks/main.yml b/roles/prereqs-common/tasks/main.yml
index 606a029..aecde2c 100644
--- a/roles/prereqs-common/tasks/main.yml
+++ b/roles/prereqs-common/tasks/main.yml
@@ -19,10 +19,18 @@
 
 - name: DNS Lookup Check
   shell: "dig +short {{ dns_check_domain }} | grep {{ dns_check_ipv4 }}"
+  register: dns_lookup_check_result
+  until: dns_lookup_check_result.rc == 0
+  retries: 3
+  delay: 1
 
 - name: DNS Global Root Connectivity Check
   shell: "dig @{{ item }} +trace +short {{ dns_check_domain }} | grep {{ dns_check_ipv4 }}"
   with_items: "{{ dns_roots }}"
+  register: dns_global_check_result
+  until: dns_global_check_result.rc == 0
+  retries: 3
+  delay: 1
 
 - name: HTTP Download Check
   get_url: