diff --git a/roles/dnsmasq/defaults/main.yml b/roles/dnsmasq/defaults/main.yml index 15fb7f169..34f505063 100644 --- a/roles/dnsmasq/defaults/main.yml +++ b/roles/dnsmasq/defaults/main.yml @@ -11,9 +11,6 @@ # nameservers: # - 127.0.0.1 -dns_forward_max: 150 -cache_size: 1000 - # Versions dnsmasq_version: 2.72 @@ -33,3 +30,46 @@ dnsmasq_min_replicas: 1 # Custom name servers dnsmasq_upstream_dns_servers: [] + +# Try each query with each server strictly in the order +dnsmasq_enable_strict_order: true + +# Send queries to all servers +dnsmasq_enable_all_servers: false + +# Maximum number of concurrent DNS queries. +dns_forward_max: 150 + +# Caching params +cache_size: 1000 +dnsmasq_max_cache_ttl: 10 +dnsmasq_enable_no_negcache: true + +# Maximum TTL value that will be handed out to clients. +# The specified maximum TTL will be given to clients +# instead of the true TTL value if it is lower. +dnsmasq_max_ttl: 20 + +# If enabled - don't read /etc/resolv.conf. +dnsmasq_enable_no_resolv: true + +# Bogus private reverse lookups. +# All reverse lookups for private IP ranges (ie 192.168.x.x, etc) +# which are not found in /etc/hosts or the DHCP leases file are +# answered with "no such domain" rather than being forwarded upstream. +# The set of prefixes affected is the list given in RFC6303, for IPv4 and IPv6. +dnsmasq_enable_bogus_priv: true + +# This option forces dnsmasq to really bind only the interfaces it is listening on +dnsmasq_enable_bind_interfaces: true +dnsmasq_listen_address: "0.0.0.0" + +# Additional hosts file or directory +dnsmasq_addn_hosts: /etc/hosts + +# Facility to which dnsmasq will send syslog entries. +# If the facility is '-' then dnsmasq logs to stderr. +dnsmasq_log_facility: "-" + +# Additional startup parameters +dnsmasq_additional_startup_parameters: [] diff --git a/roles/dnsmasq/templates/01-kube-dns.conf.j2 b/roles/dnsmasq/templates/01-kube-dns.conf.j2 index 0134b4c33..49e725d81 100644 --- a/roles/dnsmasq/templates/01-kube-dns.conf.j2 +++ b/roles/dnsmasq/templates/01-kube-dns.conf.j2 @@ -1,10 +1,24 @@ #Listen on localhost +{% if dnsmasq_enable_bind_interfaces %} bind-interfaces -listen-address=0.0.0.0 +{% endif %} + +{% if dnsmasq_listen_address|length > 0 %} +listen-address={{ dnsmasq_listen_address }} +{% endif %} -addn-hosts=/etc/hosts +{% if dnsmasq_addn_hosts|length > 0 %} +addn-hosts={{ dnsmasq_addn_hosts }} +{% endif %} +{% if dnsmasq_enable_strict_order %} strict-order +{% endif %} + +{% if dnsmasq_enable_all_servers %} +all-servers +{% endif %} + # Forward k8s domain to kube-dns server=/{{ dns_domain }}/{{ skydns_server }} # Reply NXDOMAIN to bogus domains requests like com.cluster.local.cluster.local @@ -28,11 +42,25 @@ server={{ cloud_resolver }} {% if kube_log_level == '4' %} log-queries {% endif %} + +{% if dnsmasq_enable_no_resolv %} no-resolv +{% endif %} + +{% if dnsmasq_enable_bogus_priv %} bogus-priv +{% endif %} + +{% if dnsmasq_enable_no_negcache %} no-negcache +{% endif %} + cache-size={{ cache_size }} dns-forward-max={{ dns_forward_max }} -max-cache-ttl=10 -max-ttl=20 -log-facility=- +max-cache-ttl={{ dnsmasq_max_cache_ttl }} +max-ttl={{ dnsmasq_max_ttl }} +log-facility={{ dnsmasq_log_facility }} + +{% for dnsmasq_additional_startup_parameter in dnsmasq_additional_startup_parameters %} +{{ dnsmasq_additional_startup_parameter }} +{% endfor %} \ No newline at end of file