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Merge pull request #9226 from erictune/makefile

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Clarify where DNS resolution works.
This commit is contained in:
Abhi Shah 2015-06-10 12:57:24 -07:00
commit fdf2d6057f
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cluster/addons/dns/README.md
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@ -13,6 +13,11 @@ crashes or scheduling changes). This maps well to DNS, which has a long
history of clients that, on purpose or on accident, do not respect DNS TTLs
(see previous remark about Pod IPs changing).
## Where does resolution work?
Kubernetes Service DNS names can be resolved using standard methods (e.g. [`gethostbyname`](
http://linux.die.net/man/3/gethostbyname)) inside any pod, except pods which
have the `hostNet` field set to `true`.
## Supported DNS schema
The following sections detail the supported record types and layout that is
supported. Any other layout or names or queries that happen to work are