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2021-07-29kubernetes: Improve namespace usage (#4767)Gravatar Mat Lowery 1-5/+3
* Use GetByKey instead of List in GetNamespaceByName. * Add ToNamespace to reduce memory for namespace cache. Signed-off-by: Mat Lowery <mlowery@ebay.com>
2020-12-21plugin/kubernetes: Add support for dual stack ClusterIP Services (#4339)Gravatar Chris O'Haver 1-25/+53
* 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 1-20/+14
* 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>
2020-03-30Update k8s.io/[api|apimachinery|client-go] to v0.18.0 (#3796)Gravatar Yong Tang 1-1/+1
* Update k8s.io/[api|apimachinery|client-go] to v0.18.0 This PR updates k8s.io/[api|apimachinery|client-go] to v0.18.0 This PR closes 3791 This PR closes 3792 This PR closes 3793 Signed-off-by: Yong Tang <yong.tang.github@outlook.com> * Fix test failures Signed-off-by: Yong Tang <yong.tang.github@outlook.com> * Fix failed tests Signed-off-by: Yong Tang <yong.tang.github@outlook.com> * Fix test failure Signed-off-by: Yong Tang <yong.tang.github@outlook.com>
2019-09-23cleanup: remove redundant return statement (#3297)Gravatar Guangming Wang 1-1/+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 1-15/+25
* 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
2019-08-23plugin/k8s_external/kubernetes: handle NS records (#3160)Gravatar Chris O'Haver 1-1/+1
* 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
2019-06-09remove unused functions (#2873)Gravatar Chris O'Haver 1-70/+0
2019-05-01kubernetes: never respond with NXDOMAIN for authority label (#2769)Gravatar Billie Cleek 1-1/+56
* kubernetes: never respond with NXDOMAIN for authority label Return a nodata response when trying to resolve the authority's label for a record type that doesn't match the record type of the authority. This guards against poisoning the authority record by requesting the wrong record type for the authority label. For instance, given an authoritative resolver that uses subdomain delegation for Kubernetes services of a cluster that's configured to use IPv4, the parent may be poisoned by querying it for the authority label of the cluster subdomain with a AAAA record type, which would otherwise (i.e. without this change) return an NXDOMAIN. That is, given cluster.example.com NS 10800 ns.dns.cluster.example.com ns.dns.cluster.example.com A 10800 10.0.1.2 The parent may be poisoned for the SOA TTL by querying it for a AAAA record of ns.dns.cluster.example.com, causing the parent to fail delegate properly until the SOA TTL lapses. * kubernetes: add tests for authority queries
2019-03-26Remove context.Context from request.Request (#2726)Gravatar Miek Gieben 1-1/+2
* Remove context.Context from request.Request This removes the context from request.Request and makes all the changes in the code to make it compile again. It's all mechanical. It did unearth some weirdness in that the context was kept in handler structs which may cause havoc with concurrently handling of requests. Fixes #2721 Signed-off-by: Miek Gieben <miek@miek.nl> * Make test compile Signed-off-by: Miek Gieben <miek@miek.nl>
2019-02-20Remove some duplicate worlds (#2582)Gravatar Nguyen Phuong An 1-1/+1
Signed-off-by: Nguyen Phuong An <AnNP@vn.fujitsu.com>
2019-02-11Remove grpc watch functionality (#2549)Gravatar Miek Gieben 1-4/+0
This was added, but didn't see any use. For a large, complex chunk of code we should have some users of it. Remove all watch functionally from plugins, servers and packages. Fixes: #2548 Signed-off-by: Miek Gieben <miek@miek.nl>
2018-12-08plugin/kubernetes: make prefix key in msg.Service a const (#2378)Gravatar Miek Gieben 1-4/+4
This is a relic from the etcd integration and only used to remove in the final answer returned to the client. We do need it. Make it a constant and only one character wide. Signed-off-by: Miek Gieben <miek@miek.nl>
2018-10-11Revert "use keys (#2167)" (#2188)Gravatar Miek Gieben 1-25/+90
This reverts commit 974ed086f25ad45a01947e276e2eb8aa73d007a3.
2018-10-10use keys (#2167)Gravatar Chris O'Haver 1-90/+25
2018-10-09plugin/kubernetes: allow trimming down of cached items. (#2128)Gravatar Miek Gieben 1-215/+112
* 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>
2018-06-27Watch feature (#1527)Gravatar John Belamaric 1-0/+86
* Add part 1 watch functionality. (squashed) * add funcs for service/endpoint fqdns * add endpoints watch * document exposed funcs * only send subset deltas * locking for watch map * tests and docs * add pod watch * remove debugs prints * feedback part 1 * add error reporting to proto * inform clients of server stop+errors * add grpc options param * use proper context * Review feedback: * Removed client (will move to another repo) * Use new log functions * Change watchChan to be for string not []string * Rework how k8s plugin stores watch tracking info to simplify * Normalize the qname on watch request * Add blank line back * Revert another spurious change * Fix tests * Add stop channel. Fix tests. Better docs for plugin interface. * fmt.Printf -> log.Warningf * Move from dnsserver to plugin/pkg/watch * gofmt * remove dead client watches * sate linter * linter omg
2018-02-08support for zone transfer for kubernetes (#1259)Gravatar Brad Beam 1-0/+1
* plugin/kubernetes: axfr Hook up dynamic SOA serial by setting ResourceEventHandlerFuncs in dnsController. Add prototype of returns msg.Services via the Transfer function. Leave expanding this to RRs out of scope for a bit. * plugin/kubernetes: axfr Respond to AXFR queries * Fixing race condition * Fixing instantiation of dnstest writer * Updates from review
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>
2017-11-22fix external service type check (#1246)Gravatar Chris O'Haver 1-0/+2
2017-11-13plugin/kubernetes: correctly set NODATA for ns (#1229)Gravatar Miek Gieben 1-0/+8
* plugin/kubernetes: Add GetNamespaceByName A bare or wildcard query for just the namespace should return NODATA, not NXDOMAIN, otherwise we deny the entirety of the names under the namespace. Add test to check for this in pod verified mode. * Review More comments and move namespace code to namespace.go
2017-11-08Add option to use pod name rather than IP address for Kubernetes (#1190)Gravatar Brian Akins 1-6/+12
Change to use a new 'endpoints' directive and use a constant Add initial docs for 'endpoints' directive Add tests to Kubernetes setup for endpoints Changes based on PR feedback endpoint_pod_names is a boolean config option. Chahanged docs to reflect this. Add a test when endpoints_pod_names is not set Update README.md Remove endpointNameModeName as it is no longer used
2017-10-20plugin/kubernetes: implement HasSynced() (#1155)Gravatar Miek Gieben 1-0/+1
* plugin/kubernetes: wait until api is ready Wait for HasSynced before allowing startup to avoid startup race. Also do a small refactor in findServices() to pull a check out of the loop - only needs to be done once. * sigh
2017-10-17Plugin/Kubernetes: Service and Endpoint Indexing (#1149)Gravatar Sandeep Rajan 1-3/+135
* indexing * corrections
2017-09-29plugin/kubernetes: Enable protobuf, Update client api package (#1114)Gravatar Chris O'Haver 1-73/+73
* vendor * code
2017-09-14Remove the word middleware (#1067)Gravatar Miek Gieben 1-0/+242
* 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
generated by cgit v1.2.3 (git 2.39.1) at 2025-07-21 17:11:04 +0000