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Add optional manual dns_mode (#2178)

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Matthew Mosesohn
2018-01-23 16:28:42 +03:00
committed by Bogdan Dobrelya
parent eb80f9b606
commit bf1411060e
7 changed files with 24 additions and 3 deletions
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8
docs/dns-stack.md
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@@ -50,7 +50,7 @@ DNS modes supported by Kubespray
You can modify how Kubespray sets up DNS for your cluster with the variables ``dns_mode`` and ``resolvconf_mode``.
## dns_mode
``dns_mode`` configures how Kubespray will setup cluster DNS. There are three modes available:
``dns_mode`` configures how Kubespray will setup cluster DNS. There are four modes available:
#### dnsmasq_kubedns (default)
This installs an additional dnsmasq DaemonSet which gives more flexibility and lifts some
@@ -62,6 +62,12 @@ other queries are forwardet to the nameservers found in ``upstream_dns_servers``
This does not install the dnsmasq DaemonSet and instructs kubelet to directly use kubedns/skydns for
all queries.
#### manual
This does not install dnsmasq or kubedns, but allows you to specify
`manual_dns_server`, which will be configured on nodes for handling Pod DNS.
Use this method if you plan to install your own DNS server in the cluster after
initial deployment.
#### none
This does not install any of dnsmasq and kubedns/skydns. This basically disables cluster DNS completely and
leaves you with a non functional cluster.