From 72fee60c8ff78e3ad295c70c520c4e558c9da7a4 Mon Sep 17 00:00:00 2001 From: WillPlatnick <wplatnick@gmail.com> Date: Tue, 25 Dec 2018 10:10:08 -0500 Subject: [PATCH] Update nodelocal to be in its own section (#3931) --- docs/dns-stack.md | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-) diff --git a/docs/dns-stack.md b/docs/dns-stack.md index cdd85be26..e357a5f61 100644 --- a/docs/dns-stack.md +++ b/docs/dns-stack.md @@ -84,11 +84,6 @@ leaves you with a non functional cluster. ``resolvconf_mode`` configures how Kubespray will setup DNS for ``hostNetwork: true`` PODs and non-k8s containers. There are three modes available: -## Nodelocal DNS cache -Setting ``enable_nodelocaldns`` to ``true`` will make pods reach out to the dns (core-dns) caching agent running on the same node, thereby avoiding iptables DNAT rules and connection tracking. The local caching agent will query kube-dns / core-dns (depending on what main DNS plugin is configured in your cluster) for cache misses of cluster hostnames(cluster.local suffix by default). - -More information on the rationale behind this implementation can be found [here](https://github.com/kubernetes/enhancements/blob/master/keps/sig-network/0030-nodelocal-dns-cache.md). - #### docker_dns (default) This sets up the docker daemon with additional --dns/--dns-search/--dns-opt flags. @@ -135,6 +130,11 @@ Does nothing regarding ``/etc/resolv.conf``. This leaves you with a cluster that The only exception is that ``hostNetwork: true`` PODs and non-k8s managed containers will not be able to resolve cluster service names. +## Nodelocal DNS cache +Setting ``enable_nodelocaldns`` to ``true`` will make pods reach out to the dns (core-dns) caching agent running on the same node, thereby avoiding iptables DNAT rules and connection tracking. The local caching agent will query kube-dns / core-dns (depending on what main DNS plugin is configured in your cluster) for cache misses of cluster hostnames(cluster.local suffix by default). + +More information on the rationale behind this implementation can be found [here](https://github.com/kubernetes/enhancements/blob/master/keps/sig-network/0030-nodelocal-dns-cache.md). + Limitations ----------- -- GitLab