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1. support endpointslice filter for keeping service traffic in-bound of nodePool 2. support master service mutation for pod use InClusterConfig access kube-apiserver
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,41 @@ | ||
| /* | ||
| Copyright 2021 The OpenYurt Authors. | ||
| Licensed under the Apache License, Version 2.0 (the "License"); | ||
| you may not use this file except in compliance with the License. | ||
| You may obtain a copy of the License at | ||
| http://www.apache.org/licenses/LICENSE-2.0 | ||
| Unless required by applicable law or agreed to in writing, software | ||
| distributed under the License is distributed on an "AS IS" BASIS, | ||
| WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| See the License for the specific language governing permissions and | ||
| limitations under the License. | ||
| */ | ||
|
|
||
| package filter | ||
|
|
||
| import "k8s.io/apimachinery/pkg/util/sets" | ||
|
|
||
| type Approver struct { | ||
| comp string | ||
| resource string | ||
| operations sets.String | ||
| } | ||
|
|
||
| func NewApprover(comp, resource string, verbs ...string) *Approver { | ||
| return &Approver{ | ||
| comp: comp, | ||
| resource: resource, | ||
| operations: sets.NewString(verbs...), | ||
| } | ||
| } | ||
|
|
||
| func (a *Approver) Approve(comp, resource, verb string) bool { | ||
| if a.comp != comp || a.resource != resource { | ||
| return false | ||
| } | ||
|
|
||
| return a.operations.Has(verb) | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,61 @@ | ||
| /* | ||
| Copyright 2021 The OpenYurt Authors. | ||
| Licensed under the Apache License, Version 2.0 (the "License"); | ||
| you may not use this file except in compliance with the License. | ||
| You may obtain a copy of the License at | ||
| http://www.apache.org/licenses/LICENSE-2.0 | ||
| Unless required by applicable law or agreed to in writing, software | ||
| distributed under the License is distributed on an "AS IS" BASIS, | ||
| WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| See the License for the specific language governing permissions and | ||
| limitations under the License. | ||
| */ | ||
|
|
||
| package filter | ||
|
|
||
| import ( | ||
| "io" | ||
| "net/http" | ||
|
|
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| apirequest "k8s.io/apiserver/pkg/endpoints/request" | ||
|
|
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| "github.com/openyurtio/openyurt/pkg/yurthub/util" | ||
| ) | ||
|
|
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| type filterChain []Interface | ||
|
|
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| func (fc filterChain) Approve(comp, resource, verb string) bool { | ||
| for _, f := range fc { | ||
| if f.Approve(comp, resource, verb) { | ||
| return true | ||
| } | ||
| } | ||
|
|
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| return false | ||
| } | ||
|
|
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| func (fc filterChain) Filter(req *http.Request, rc io.ReadCloser, stopCh <-chan struct{}) (int, io.ReadCloser, error) { | ||
| ctx := req.Context() | ||
| comp, ok := util.ClientComponentFrom(ctx) | ||
| if !ok { | ||
| return 0, rc, nil | ||
| } | ||
|
|
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| info, ok := apirequest.RequestInfoFrom(ctx) | ||
| if !ok { | ||
| return 0, rc, nil | ||
| } | ||
|
|
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| for _, f := range fc { | ||
| if !f.Approve(comp, info.Resource, info.Verb) { | ||
| continue | ||
| } | ||
|
|
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| return f.Filter(req, rc, stopCh) | ||
| } | ||
|
|
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| return 0, rc, nil | ||
| } |
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