Enable nodelocaldns by default (#4461)

* Enable nodelocaldns by default

* Enable nodelocaldns by default

* nodelocaldns is now default

* Disable enable_nodelocaldns for the addons CI jobs

Disable enable_nodelocaldns for the addons CI jobs to make sure things still work without nodelocaldns

inventory/sample/group_vars/k8s-cluster/k8s-cluster.yml

@@ -132,7 +132,7 @@ dns_mode: coredns
 # Set manual server if using a custom cluster DNS server
 # manual_dns_server: 10.x.x.x
 # Enable nodelocal dns cache
-enable_nodelocaldns: False
+enable_nodelocaldns: true
 nodelocaldns_ip: 169.254.25.10
 
 # Can be docker_dns, host_resolvconf or none

roles/kubespray-defaults/defaults/main.yaml

@@ -62,7 +62,7 @@ ndots: 2
 dns_mode: coredns
 
 # Enable nodelocal dns cache
-enable_nodelocaldns: False
+enable_nodelocaldns: true
 nodelocaldns_ip: 169.254.25.10
 
 # Should be set to a cluster IP if using a custom cluster DNS

tests/files/gce_centos7-flannel-addons.yml

@@ -21,5 +21,5 @@ cert_manager_enabled: true
 metrics_server_enabled: true
 kube_token_auth: true
 kube_basic_auth: true
-enable_nodelocaldns: true
+enable_nodelocaldns: false
 local_path_provisioner_enabled: true