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70 lines
2.0 KiB
Go
70 lines
2.0 KiB
Go
// +build !providerless
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/*
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Copyright 2019 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 nodeipam
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import (
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"net"
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coreinformers "k8s.io/client-go/informers/core/v1"
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clientset "k8s.io/client-go/kubernetes"
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cloudprovider "k8s.io/cloud-provider"
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"k8s.io/klog/v2"
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"k8s.io/kubernetes/pkg/controller/nodeipam/ipam"
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nodesync "k8s.io/kubernetes/pkg/controller/nodeipam/ipam/sync"
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)
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func startLegacyIPAM(
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ic *Controller,
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nodeInformer coreinformers.NodeInformer,
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cloud cloudprovider.Interface,
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kubeClient clientset.Interface,
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clusterCIDRs []*net.IPNet,
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serviceCIDR *net.IPNet,
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nodeCIDRMaskSizes []int,
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) {
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cfg := &ipam.Config{
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Resync: ipamResyncInterval,
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MaxBackoff: ipamMaxBackoff,
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InitialRetry: ipamInitialBackoff,
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}
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switch ic.allocatorType {
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case ipam.IPAMFromClusterAllocatorType:
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cfg.Mode = nodesync.SyncFromCluster
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case ipam.IPAMFromCloudAllocatorType:
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cfg.Mode = nodesync.SyncFromCloud
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}
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// we may end up here with no cidr at all in case of FromCloud/FromCluster
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var cidr *net.IPNet
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if len(clusterCIDRs) > 0 {
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cidr = clusterCIDRs[0]
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}
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if len(clusterCIDRs) > 1 {
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klog.Warningf("Multiple cidrs were configured with FromCluster or FromCloud. cidrs except first one were discarded")
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}
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ipamc, err := ipam.NewController(cfg, kubeClient, cloud, cidr, serviceCIDR, nodeCIDRMaskSizes[0])
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if err != nil {
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klog.Fatalf("Error creating ipam controller: %v", err)
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}
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if err := ipamc.Start(nodeInformer); err != nil {
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klog.Fatalf("Error trying to Init(): %v", err)
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}
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}
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