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2018-12-14Add new plugin: external - resolve k8s ingress and LB address with external ↵Gravatar Miek Gieben 1-0/+4
names (#2379) * Add new plugin: external This plugin works in conjunction with the kubernetes plugin and exports ingress and LB addresses as DNS records. It bypasses backend.go and backend_lookup.go flow because it is not needed. README, tests are implemented. The tests only exercise the unit tests, this has not been tested in any ci. Signed-off-by: Miek Gieben <miek@miek.nl> * Rename to k8s_external Signed-off-by: Miek Gieben <miek@miek.nl> * go gen Signed-off-by: Miek Gieben <miek@miek.nl>
2018-10-11Revert "use keys (#2167)" (#2188)Gravatar Miek Gieben 1-10/+11
This reverts commit 974ed086f25ad45a01947e276e2eb8aa73d007a3.
2018-10-10use keys (#2167)Gravatar Chris O'Haver 1-11/+10
2018-10-09plugin/kubernetes: allow trimming down of cached items. (#2128)Gravatar Miek Gieben 1-4/+4
* Convert to runtime.Object to smaller structs This adds conversion for all the objects we want to keep in the cache. It keeps the minimum for CoreDNS to function and throws away the rest. The conversion: api.Endpoints -> object.Endpoints api.Pod -> object.Pod api.Serivce -> object.Service We needed to copy some client-go stuff to insert a conversion function into NewIndexInformers. Some unrelated cleanups in the watch functionality as that needed to be touched because of the above translation of objects. Signed-off-by: Miek Gieben <miek@miek.nl> * Reduce test line-count Signed-off-by: Miek Gieben <miek@miek.nl> * ....and fix test Signed-off-by: Miek Gieben <miek@miek.nl> * Drop use of append Signed-off-by: Miek Gieben <miek@miek.nl> * cosmetic changes Signed-off-by: Miek Gieben <miek@miek.nl> * that was a typo Signed-off-by: Miek Gieben <miek@miek.nl> * re-introduce append here We can't really use len() here because we don't know the number before hand. Signed-off-by: Miek Gieben <miek@miek.nl> * comment in better place Signed-off-by: Miek Gieben <miek@miek.nl> * Make the timestamp a bool; thats where it is used for Signed-off-by: Miek Gieben <miek@miek.nl> * Set incoming object to nil Explicataliy discard the converted object; we did a deep copy it's not needed anymore. Signed-off-by: Miek Gieben <miek@miek.nl> * Per Chris's comment Signed-off-by: Miek Gieben <miek@miek.nl>
2018-01-03Update k8s client-go to v6.0.0 (#1340)Gravatar Yong Tang 1-1/+1
* Update k8s client-go to v6.0.0 This fix updates k8s client-go to v6.0.0 as CoreDNS is supported in 1.9 and v6.0.0 is the recommended version. There are quite some massive changes that need to be made: 1. k8s.io/client-go/pkg/api/v1 has been changed to k8s.io/api/v1 (repo changed from `client-go` to `api`) 2. kubernetes.Clientset adds one extra layer, so that `kubernetes.Clientset.Services()` and like has been changed to `kubernetes.Clientset.CoreV1().Services()` Also, we have to stick with specific commits of `k8s.io/apimachinery` and the newly introduced `k8s.io/api` because go dep still could not figure out the right version to fetch. Signed-off-by: Yong Tang <yong.tang.github@outlook.com> * Update vendor with `dep ensure --update` and `dep prune` Signed-off-by: Yong Tang <yong.tang.github@outlook.com>
2017-10-17Plugin/Kubernetes: Service and Endpoint Indexing (#1149)Gravatar Sandeep Rajan 1-1/+1
* indexing * corrections
2017-09-29plugin/kubernetes: Enable protobuf, Update client api package (#1114)Gravatar Chris O'Haver 1-7/+3
* vendor * code
2017-09-14Remove the word middleware (#1067)Gravatar Miek Gieben 1-0/+65
* Rename middleware to plugin first pass; mostly used 'sed', few spots where I manually changed text. This still builds a coredns binary. * fmt error * Rename AddMiddleware to AddPlugin * Readd AddMiddleware to remain backwards compat