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22 Commits

Author SHA1 Message Date
Pavithra Ramesh
1437805c05 Use latest node-cache version with stubdomain fix. 
This image fixed a bug in configuring stubDomains and caused test
failure -  https://k8s-testgrid.appspot.com/sig-network-gce#gci-gce-serial-kube-dns-nodecache

Verified by running the same test locally.
 2019-10-09 23:11:44 -07:00
Pavithra Ramesh
1819c2ea9b Support kube-dns stubDomains in nodelocaldns 
With this change, node-local-dns pods will mount the kube-dns configmap
and update the Corefile with the stubDomain config.
 2019-09-17 11:50:22 -07:00
Kubernetes Prow Robot
0216ccf80a Merge pull request #78546 from prameshj/nodelocal-1_15_3 
Use node-cache image 1.15.3 in the yaml
 2019-06-01 23:40:14 -07:00
Kubernetes Prow Robot
0f78b57fef Merge pull request #77887 from prameshj/nodelocal-beta 
Doc changes for nodelocaldns graduating to beta
 2019-05-31 20:44:47 -07:00
Pavithra Ramesh
934f35f9b2 Use nodecache image 1.15.3 2019-05-30 13:29:05 -07:00
Pavithra Ramesh
86d12be975 Lock down nodelocaldns configmap. 2019-05-27 23:53:48 -07:00
Pavithra Ramesh
e1748407a5 Doc changes for nodelocaldns graduating to beta 2019-05-14 14:01:33 -07:00
Steve Coffman
7f30be79b3 Update k8s-dns-node-cache image version 
This revised image resolves kubernetes dns#292 by updating the image from `k8s-dns-node-cache:1.15.2` to `k8s-dns-node-cache:1.15.2`
 2019-05-01 13:38:42 -04:00
George Angel
f40f767d94 update k8s.gcr.io/k8s-dns-node-cache image version 
v1.15.0 is affected by https://github.com/kubernetes/dns/issues/282
 2019-04-16 09:43:53 +01:00
Xiang Dai
36065c6dd7 delete all duplicate empty blanks 
Signed-off-by: Xiang Dai <764524258@qq.com>
 2019-02-23 10:28:04 +08:00
Kubernetes Prow Robot
042f9ed3af Merge pull request #74093 from blakebarnett/lower-neg-cache-ttl 
Lowers the default nodelocaldns denial cache TTL
 2019-02-21 17:47:16 -08:00
Blake
46c299c1b1 Match default cache size of 10000 
https://github.com/coredns/coredns/blob/master/plugin/cache/cache.go#L236
This gets rounded down to the nearest multiple of 256: 9984
 2019-02-21 15:03:30 -08:00
Ben Moss
34ac4d9ee9 Update deprecated links 2019-02-15 09:13:07 -05:00
Blake
e51c9025ac Lowers the default nodelocaldns denial cache TTL 
Similar to `--no-negcache` on dnsmasq, this prevents issues which poll DNS for orchestration such as operators with StatefulSets. It can also be very confusing for users when negative caching results in a change they just made seeming to be broken until the cache expires. This assumes that 5 seconds is reasonable and will still catch repeated AAAA negative responses. We could also set the denial cache size to zero which should effectively fully disable it like dnsmasq in kube-dns but testing shows this approach seems to work well in our (albeit small) test clusters.
 2019-02-13 13:23:53 -08:00
Kubernetes Prow Robot
7d91e1223d Merge pull request #73293 from prameshj/nodelocal-update 
Modify nodelocaldns yaml to include updateStrategy and xtables.lock
 2019-01-24 20:07:57 -08:00
Pavithra Ramesh
9611b112eb Add xtables.lock file to mounts 
nodelocaldns needs to use the same iptables lock file to avoid
contention with other entities modifying iptables rules.
 2019-01-24 13:21:06 -08:00
Pavithra Ramesh
960705ac98 Add updateStrategy section for nodelocaldns 2019-01-18 16:40:01 -08:00
prameshj
501eba8745 Update README.md 2018-12-11 17:20:57 -08:00
Pavithra Ramesh
567e79a3ac Fix labelname in nodelocaldns yaml 2018-12-05 23:06:03 -08:00
Pavithra Ramesh
d73466fe55 Add README for nodelocaldns 2018-11-14 15:45:14 -08:00
Pavithra Ramesh
6d7c5e90ed Removed .salt template , using .sed template 
Removed default config options from yaml.
Removed unused yaml files
 2018-11-13 18:33:34 -08:00
Pavithra Ramesh
73b548db06 Support running a nodelocal dns cache 
This change includes the yaml files and gce startup script changes
to run this addon. It is disabled by default, can be enabled by setting
KUBE_ENABLE_NODELOCAL_DNS=true
An ip address is required for the cache instance to listen for
requests on, default is a link local ip address of value 169.254.25.10

addressed review comments, updated image location
Picked a different prometheus port so stats port is not same as the
coredns deployment

Removed the nodelocaldns-ready label.
Set memory limit to 30Mi
 2018-11-12 14:54:20 -08:00