kubespray/roles/dnsmasq/templates/01-kube-dns.conf.j2

#Listen on localhost
bind-interfaces
listen-address=0.0.0.0

addn-hosts=/etc/hosts

strict-order
# Forward k8s domain to kube-dns
server=/{{ dns_domain }}/{{ skydns_server }}

#Set upstream dns servers
{% if upstream_dns_servers is defined %}
{% for srv in upstream_dns_servers %}
server={{ srv }}
{% endfor %}
{% elif cloud_provider is defined and cloud_provider == "gce" %}
server=169.254.169.254
{% else %}
 server=8.8.8.8
 server=8.8.4.4
{% endif %}

{% if kube_log_level == 4 %}
log-queries
{% endif %}
bogus-priv
no-resolv
no-negcache
cache-size=1000
max-cache-ttl=10
max-ttl=20
log-facility=-