Merge pull request #112 from xshyamx/patch-2

add support for extra nameservers for specific domains
CiscoCloud · Jun 9, 2016 · 57d8204 · 57d8204
2 parents ce948dd + c779961
commit 57d8204
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diff --git a/group_vars/all.yml b/group_vars/all.yml
@@ -59,6 +59,13 @@ dns_setup: true
 # Number of replicas of DNS instances started on kubernetes
 dns_replicas: 1
 
+# specify extra upstream dns servers for specific domains
+#dns_extra:
+#  cisco.com:
+#    - 72.163.5.201
+#    - 64.102.255.44
+#    - 173.37.146.41
+
 # Set to 'false' to disable default Kubernetes UI setup
 enable_ui: true
 

diff --git a/roles/dnsmasq/templates/01-kube-dns.conf.j2 b/roles/dnsmasq/templates/01-kube-dns.conf.j2
@@ -10,4 +10,13 @@ server=8.8.8.8
 server=8.8.4.4
 
 # Forward k8s domain to kube-dns
-server=/{{ dns_domain }}/{{ dns_server }}
+server=/{{ dns_domain }}/{{ dns_server }}
+
+{% if dns_extra is defined and dns_extra is iterable %}
+  {%- for key, val in dns_extra.iteritems() %}
+    {%- for nameserver in val %}
+
+server=/{{ key }}/{{ nameserver }}
+    {%- endfor %}
+  {%- endfor %}
+{% endif %}