
MultiCIDRRangeAllocator is a new Range Allocator which makes using multiple ClusterCIDRs possible. It consists of two controllers, one for reconciling the ClusterCIDR API objects and the other for allocating Pod CIDRs to the nodes. The allocation is based on the rules defined in https://github.com/kubernetes/enhancements/tree/master/keps/sig-network/2593-multiple-cluster-cidrs
67 lines
2.0 KiB
Go
67 lines
2.0 KiB
Go
/*
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Copyright 2017 The Kubernetes Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package test
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import (
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"net"
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"time"
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"k8s.io/apimachinery/pkg/util/wait"
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"k8s.io/client-go/informers"
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coreinformers "k8s.io/client-go/informers/core/v1"
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"k8s.io/client-go/kubernetes/fake"
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"k8s.io/kubernetes/pkg/controller"
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"k8s.io/kubernetes/pkg/controller/testutil"
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netutils "k8s.io/utils/net"
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)
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const NodePollInterval = 10 * time.Millisecond
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var AlwaysReady = func() bool { return true }
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// MustParseCIDR returns the CIDR range parsed from s or panics if the string
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// cannot be parsed.
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func MustParseCIDR(s string) *net.IPNet {
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_, ret, err := netutils.ParseCIDRSloppy(s)
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if err != nil {
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panic(err)
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}
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return ret
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}
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// FakeNodeInformer creates a fakeNodeInformer using the provided fakeNodeHandler.
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func FakeNodeInformer(fakeNodeHandler *testutil.FakeNodeHandler) coreinformers.NodeInformer {
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fakeClient := &fake.Clientset{}
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fakeInformerFactory := informers.NewSharedInformerFactory(fakeClient, controller.NoResyncPeriodFunc())
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fakeNodeInformer := fakeInformerFactory.Core().V1().Nodes()
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for _, node := range fakeNodeHandler.Existing {
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fakeNodeInformer.Informer().GetStore().Add(node)
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}
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return fakeNodeInformer
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}
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func WaitForUpdatedNodeWithTimeout(nodeHandler *testutil.FakeNodeHandler, number int, timeout time.Duration) error {
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return wait.Poll(NodePollInterval, timeout, func() (bool, error) {
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if len(nodeHandler.GetUpdatedNodesCopy()) >= number {
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return true, nil
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}
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return false, nil
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})
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}
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