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kubernetes: add multicluster support (#7266)

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* kubernetes: add multicluster support

Add multicluster support via Multi-Cluster Services API (MCS-API) via a
new option `multiclusterZones` in the kubernetes plugin.

When some multicluster zones are passed to the kubernetes plugin, it
will start watching the ServiceImport objects and its associated
EndpointSlices.

Signed-off-by: Arthur Outhenin-Chalandre <arthur@cri.epita.fr>

* kubernetes: implement xfr support for multicluster zones

Signed-off-by: Arthur Outhenin-Chalandre <arthur@cri.epita.fr>

---------

Signed-off-by: Arthur Outhenin-Chalandre <arthur@cri.epita.fr>
This commit is contained in:
Arthur Outhenin-Chalandre
2025-05-19 07:58:16 +02:00
committed by GitHub
parent 76b199f829
commit 5c71bd0b87
23 changed files with 1634 additions and 298 deletions
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18
plugin/kubernetes/external_test.go
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@@ -90,16 +90,20 @@ func TestExternal(t *testing.T) {
type external struct{}
func (external) HasSynced() bool { return true }
func (external) Run() {}
func (external) Stop() error { return nil }
func (external) EpIndexReverse(string) []*object.Endpoints { return nil }
func (external) SvcIndexReverse(string) []*object.Service { return nil }
func (external) SvcExtIndexReverse(string) []*object.Service { return nil }
func (external) Modified(bool) int64 { return 0 }
func (external) HasSynced() bool { return true }
func (external) Run() {}
func (external) Stop() error { return nil }
func (external) EpIndexReverse(string) []*object.Endpoints { return nil }
func (external) SvcIndexReverse(string) []*object.Service { return nil }
func (external) SvcExtIndexReverse(string) []*object.Service { return nil }
func (external) SvcImportIndex(string) []*object.ServiceImport { return nil }
func (external) ServiceImportList() []*object.ServiceImport { return nil }
func (external) McEpIndex(string) []*object.MultiClusterEndpoints { return nil }
func (external) Modified(ModifiedMode) int64 { return 0 }
func (external) EpIndex(s string) []*object.Endpoints {
return epIndexExternal[s]
}
func (external) EndpointsList() []*object.Endpoints {
var eps []*object.Endpoints
for _, ep := range epIndexExternal {