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plugin/kubernetes: Watch EndpointSlices (#4209)

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* 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>
This commit is contained in:
Chris O'Haver 2020-10-30 08:14:30 -04:00 • committed by GitHub
parent c840caf1ef
commit 272ccb195d
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16 changed files with 374 additions and 182 deletions
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45
plugin/kubernetes/ns_test.go
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@ -61,43 +61,28 @@ func (APIConnTest) EpIndexReverse(ip string) []*object.Endpoints {
}
eps := []*object.Endpoints{
{
Subsets: []object.EndpointSubset{
{
Addresses: []object.EndpointAddress{
{
IP: "10.244.0.20",
},
},
},
},
Name: "dns-service",
Name: "dns-service-slice1",
Namespace: "kube-system",
Index: object.EndpointsKey("dns-service", "kube-system"),
Subsets: []object.EndpointSubset{
{Addresses: []object.EndpointAddress{{IP: "10.244.0.20"}}},
},
},
{
Subsets: []object.EndpointSubset{
{
Addresses: []object.EndpointAddress{
{
IP: "10.244.0.20",
},
},
},
},
Name: "hdls-dns-service",
Name: "hdls-dns-service-slice1",
Namespace: "kube-system",
Index: object.EndpointsKey("hdls-dns-service", "kube-system"),
Subsets: []object.EndpointSubset{
{Addresses: []object.EndpointAddress{{IP: "10.244.0.20"}}},
},
},
{
Subsets: []object.EndpointSubset{
{
Addresses: []object.EndpointAddress{
{
IP: "10.244.0.20",
},
},
},
},
Name: "dns6-service",
Name: "dns6-service-slice1",
Namespace: "kube-system",
Index: object.EndpointsKey("dns6-service", "kube-system"),
Subsets: []object.EndpointSubset{
{Addresses: []object.EndpointAddress{{IP: "10.244.0.20"}}},
},
},
}
return eps