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2020-12-21plugin/kubernetes: Add support for dual stack ClusterIP Services (#4339)Gravatar Chris O'Haver 1-4/+5
* support dual stack clusterIPs Signed-off-by: Chris O'Haver <cohaver@infoblox.com> * stickler Signed-off-by: Chris O'Haver <cohaver@infoblox.com> * fix ClusterIPs make Signed-off-by: Chris O'Haver <cohaver@infoblox.com>
2020-10-30plugin/kubernetes: Watch EndpointSlices (#4209)Gravatar Chris O'Haver 1-2/+1
* initial commit Signed-off-by: Chris O'Haver <cohaver@infoblox.com> * convert endpointslices to object.endpoints Signed-off-by: Chris O'Haver <cohaver@infoblox.com> * add opt hard coded for now Signed-off-by: Chris O'Haver <cohaver@infoblox.com> * check that server supports endpointslice Signed-off-by: Chris O'Haver <cohaver@infoblox.com> * fix import grouping Signed-off-by: Chris O'Haver <cohaver@infoblox.com> * dont use endpoint slice in 1.17 or 1.18 Signed-off-by: Chris O'Haver <cohaver@infoblox.com> * bump kind/k8s in circle ci to latest Signed-off-by: Chris O'Haver <cohaver@infoblox.com> * drop k8s to latest supported by kind Signed-off-by: Chris O'Haver <cohaver@infoblox.com> * use endpointslice name as endoint Name; index by Service name Signed-off-by: Chris O'Haver <cohaver@infoblox.com> * use index key comparison in nsAddrs() Signed-off-by: Chris O'Haver <cohaver@infoblox.com> * add Index to object.Endpoint fixtures; fix direct endpoint name compares Signed-off-by: Chris O'Haver <cohaver@infoblox.com> * add slice dup check and test Signed-off-by: Chris O'Haver <cohaver@infoblox.com> * todo Signed-off-by: Chris O'Haver <cohaver@infoblox.com> * add ep-slice skew dup test for reverse Signed-off-by: Chris O'Haver <cohaver@infoblox.com> * nsaddrs: de-dup ep-slice skew dups; add test Signed-off-by: Chris O'Haver <cohaver@infoblox.com> * remove todo Signed-off-by: Chris O'Haver <cohaver@infoblox.com> * address various feedback Signed-off-by: Chris O'Haver <cohaver@infoblox.com> * consolidate endpoint/slice informer code Signed-off-by: Chris O'Haver <cohaver@infoblox.com> * fix endpoint informer consolidation; use clearer func name Signed-off-by: Chris O'Haver <cohaver@infoblox.com> * log info; use major/minor fields Signed-off-by: Chris O'Haver <cohaver@infoblox.com> * fix nsAddr and unit test Signed-off-by: Chris O'Haver <cohaver@infoblox.com> * add latency tracking for endpointslices Signed-off-by: Chris O'Haver <cohaver@infoblox.com> * endpointslice latency unit test & fix Signed-off-by: Chris O'Haver <cohaver@infoblox.com> * code shuffling Signed-off-by: Chris O'Haver <cohaver@infoblox.com> * rename endpointslices in tests Signed-off-by: Chris O'Haver <cohaver@infoblox.com> * remove de-dup from nsAddrs and test Signed-off-by: Chris O'Haver <cohaver@infoblox.com> * remove de-dup from findServices / test Signed-off-by: Chris O'Haver <cohaver@infoblox.com>
2019-09-27cleanup code by lint (#3312)Gravatar Guangming Wang 1-2/+1
Signed-off-by: Guangming Wang <guangming.wang@daocloud.io>
2019-09-05plugin/kubernetes: Handle multiple local IPs and bind (#3208)Gravatar Chris O'Haver 1-8/+13
* use all local IPs * mult/bind ips * gofmt + boundIPs fix * fix no matching endpoint case * don't duplicate NS records in answer * fix answer dedup * fix comment * add multi local ip test case
2019-08-28fix the-the mistake (#3216)Gravatar 陈谭军 1-1/+1
2019-08-23plugin/k8s_external/kubernetes: handle NS records (#3160)Gravatar Chris O'Haver 1-35/+56
* fix external ns records * use k8s service name for ns record * update test, add func comment * expand nsAddrs() test cases * support local ipv6 ip * use less confusing pod ip in test
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
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