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Doc changes for nodelocaldns graduating to beta

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Pavithra Ramesh 2019-05-14 14:01:33 -07:00
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cluster/addons/dns/nodelocaldns/README.md
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This addon runs a node-local-dns pod on all cluster nodes. The pod runs CoreDNS as the dns cache. It runs with `hostNetwork:True` and creates a dedicated dummy interface with a link local ip(169.254.20.10/32 by default) to listen for DNS queries. The cache instances connect to clusterDNS in case of cache misses.
Design details [here](https://git.k8s.io/enhancements/keps/sig-network/0030-nodelocal-dns-cache.md)
KEP to graduate to beta [here](https://git.k8s.io/enhancements/keps/sig-network/20190424-NodeLocalDNS-beta-proposal.md)
This feature is graduating to Beta in release 1.15.
## nodelocaldns addon template