mirror of https://github.com/k3s-io/k3s
134 lines
3.7 KiB
Go
134 lines
3.7 KiB
Go
/*
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Copyright 2018 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 vsphere
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import (
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"errors"
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"github.com/vmware/govmomi/object"
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"github.com/vmware/govmomi/vim25/types"
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"golang.org/x/net/context"
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"k8s.io/api/core/v1"
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"k8s.io/kubernetes/test/e2e/framework"
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"strings"
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"sync"
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)
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type NodeMapper struct {
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}
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type NodeInfo struct {
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Name string
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DataCenterRef types.ManagedObjectReference
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VirtualMachineRef types.ManagedObjectReference
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VSphere *VSphere
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}
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var (
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nameToNodeInfo = make(map[string]*NodeInfo)
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)
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// GenerateNodeMap populates node name to node info map
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func (nm *NodeMapper) GenerateNodeMap(vSphereInstances map[string]*VSphere, nodeList v1.NodeList) error {
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type VmSearch struct {
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vs *VSphere
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datacenter *object.Datacenter
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}
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var wg sync.WaitGroup
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var queueChannel []*VmSearch
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var datacenters []*object.Datacenter
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var err error
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for _, vs := range vSphereInstances {
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// Create context
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ctx, cancel := context.WithCancel(context.Background())
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defer cancel()
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if vs.Config.Datacenters == "" {
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datacenters, err = vs.GetAllDatacenter(ctx)
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if err != nil {
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framework.Logf("NodeMapper error: %v", err)
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continue
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}
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} else {
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dcName := strings.Split(vs.Config.Datacenters, ",")
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for _, dc := range dcName {
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dc = strings.TrimSpace(dc)
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if dc == "" {
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continue
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}
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datacenter, err := vs.GetDatacenter(ctx, dc)
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if err != nil {
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framework.Logf("NodeMapper error dc: %s \n err: %v", dc, err)
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continue
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}
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datacenters = append(datacenters, datacenter)
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}
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}
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for _, dc := range datacenters {
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framework.Logf("Search candidates vc=%s and datacenter=%s", vs.Config.Hostname, dc.Name())
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queueChannel = append(queueChannel, &VmSearch{vs: vs, datacenter: dc})
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}
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}
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for _, node := range nodeList.Items {
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n := node
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go func() {
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nodeUUID := getUUIDFromProviderID(n.Spec.ProviderID)
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framework.Logf("Searching for node with UUID: %s", nodeUUID)
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for _, res := range queueChannel {
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ctx, cancel := context.WithCancel(context.Background())
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defer cancel()
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vm, err := res.vs.GetVMByUUID(ctx, nodeUUID, res.datacenter)
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if err != nil {
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framework.Logf("Error %v while looking for node=%s in vc=%s and datacenter=%s",
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err, n.Name, res.vs.Config.Hostname, res.datacenter.Name())
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continue
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}
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if vm != nil {
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framework.Logf("Found node %s as vm=%+v in vc=%s and datacenter=%s",
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n.Name, vm, res.vs.Config.Hostname, res.datacenter.Name())
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nodeInfo := &NodeInfo{Name: n.Name, DataCenterRef: res.datacenter.Reference(), VirtualMachineRef: vm.Reference(), VSphere: res.vs}
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nm.SetNodeInfo(n.Name, nodeInfo)
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break
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}
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}
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wg.Done()
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}()
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wg.Add(1)
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}
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wg.Wait()
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if len(nameToNodeInfo) != len(nodeList.Items) {
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return errors.New("all nodes not mapped to respective vSphere")
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}
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return nil
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}
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// GetNodeInfo return NodeInfo for given nodeName
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func (nm *NodeMapper) GetNodeInfo(nodeName string) *NodeInfo {
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return nameToNodeInfo[nodeName]
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}
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// SetNodeInfo sets NodeInfo for given nodeName. This function is not thread safe. Users need to handle concurrency.
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func (nm *NodeMapper) SetNodeInfo(nodeName string, nodeInfo *NodeInfo) {
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nameToNodeInfo[nodeName] = nodeInfo
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}
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