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nodegroup.go
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nodegroup.go
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package server
import (
"fmt"
"strconv"
"strings"
"sync"
"github.com/Fred78290/kubernetes-vmware-autoscaler/constantes"
"github.com/Fred78290/kubernetes-vmware-autoscaler/pkg/apis/nodemanager/v1alpha1"
"github.com/Fred78290/kubernetes-vmware-autoscaler/types"
"github.com/Fred78290/kubernetes-vmware-autoscaler/utils"
glog "github.com/sirupsen/logrus"
apiv1 "k8s.io/api/core/v1"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
uid "k8s.io/apimachinery/pkg/types"
)
// NodeGroupState describe the nodegroup status
type NodeGroupState int32
const (
// NodegroupNotCreated not created state
NodegroupNotCreated = iota
// NodegroupCreated create state
NodegroupCreated
// NodegroupDeleting deleting status
NodegroupDeleting
// NodegroupDeleted deleted status
NodegroupDeleted
)
// KubernetesLabel labels
//type KubernetesLabel map[string]string
type ServerNodeState int
const (
ServerNodeStateNotRunning = iota
ServerNodeStateDeleted
ServerNodeStateCreating
ServerNodeStateRunning
)
// AutoScalerServerNodeGroup Group all AutoScaler VM created inside a NodeGroup
// Each node have name like <node group name>-vm-<vm index>
type AutoScalerServerNodeGroup struct {
sync.Mutex
NodeGroupIdentifier string `json:"identifier"`
ServiceIdentifier string `json:"service"`
ProvisionnedNodeNamePrefix string `default:"autoscaled" json:"node-name-prefix"`
ManagedNodeNamePrefix string `default:"worker" json:"managed-name-prefix"`
ControlPlaneNamePrefix string `default:"master" json:"controlplane-name-prefix"`
Machine *types.MachineCharacteristic `json:"machine"`
Status NodeGroupState `json:"status"`
MinNodeSize int `json:"minSize"`
MaxNodeSize int `json:"maxSize"`
Nodes map[string]*AutoScalerServerNode `json:"nodes"`
NodeLabels types.KubernetesLabel `json:"nodeLabels"`
SystemLabels types.KubernetesLabel `json:"systemLabels"`
AutoProvision bool `json:"auto-provision"`
LastCreatedNodeIndex int `json:"node-index"`
RunningNodes map[int]ServerNodeState `json:"running-nodes-state"`
pendingNodes map[string]*AutoScalerServerNode
pendingNodesWG sync.WaitGroup
numOfControlPlanes int
numOfExternalNodes int
numOfProvisionnedNodes int
numOfManagedNodes int
configuration *types.AutoScalerServerConfig
}
func CreateLabelOrAnnotation(values []string) types.KubernetesLabel {
result := types.KubernetesLabel{}
for _, value := range values {
if len(value) > 0 {
parts := strings.Split(value, "=")
if len(parts) == 1 {
result[parts[0]] = ""
} else {
result[parts[0]] = parts[1]
}
}
}
return result
}
func (g *AutoScalerServerNodeGroup) findNextNodeIndex(managed bool) int {
for index := 1; index <= g.MaxNodeSize; index++ {
if run, found := g.RunningNodes[index]; !found || run < ServerNodeStateCreating {
return index
}
}
g.LastCreatedNodeIndex++
return g.LastCreatedNodeIndex
}
func (g *AutoScalerServerNodeGroup) cleanup(c types.ClientGenerator) error {
glog.Debugf("AutoScalerServerNodeGroup::cleanup, nodeGroupID:%s", g.NodeGroupIdentifier)
var lastError error
g.Status = NodegroupDeleting
g.pendingNodesWG.Wait()
glog.Debugf("AutoScalerServerNodeGroup::cleanup, nodeGroupID:%s, iterate node to delete", g.NodeGroupIdentifier)
for _, node := range g.Nodes {
if node.NodeType == AutoScalerServerNodeAutoscaled {
if lastError = node.deleteVM(c); lastError != nil {
glog.Errorf(constantes.ErrNodeGroupCleanupFailOnVM, g.NodeGroupIdentifier, node.NodeName, lastError)
}
}
}
g.RunningNodes = make(map[int]ServerNodeState)
g.Nodes = make(map[string]*AutoScalerServerNode)
g.pendingNodes = make(map[string]*AutoScalerServerNode)
g.numOfControlPlanes = 0
g.numOfExternalNodes = 0
g.numOfManagedNodes = 0
g.numOfProvisionnedNodes = 0
g.Status = NodegroupDeleted
return lastError
}
func (g *AutoScalerServerNodeGroup) targetSize() int {
glog.Debugf("AutoScalerServerNodeGroup::targetSize, nodeGroupID:%s", g.NodeGroupIdentifier)
return len(g.pendingNodes) + len(g.Nodes)
}
func (g *AutoScalerServerNodeGroup) setNodeGroupSize(c types.ClientGenerator, newSize int) error {
glog.Debugf("AutoScalerServerNodeGroup::setNodeGroupSize, nodeGroupID:%s", g.NodeGroupIdentifier)
var err error
g.Lock()
delta := newSize - g.targetSize()
if delta < 0 {
err = g.deleteNodes(c, delta)
} else if delta > 0 {
_, err = g.addNodes(c, delta)
}
g.Unlock()
return err
}
func (g *AutoScalerServerNodeGroup) refresh() {
glog.Debugf("AutoScalerServerNodeGroup::refresh, nodeGroupID:%s", g.NodeGroupIdentifier)
for _, node := range g.Nodes {
if _, err := node.statusVM(); err != nil {
glog.Infof("status VM return an error: %v", err)
}
}
}
// delta must be negative!!!!
func (g *AutoScalerServerNodeGroup) deleteNodes(c types.ClientGenerator, delta int) error {
glog.Debugf("AutoScalerServerNodeGroup::deleteNodes, nodeGroupID:%s", g.NodeGroupIdentifier)
var err error
startIndex := len(g.Nodes) - 1
endIndex := startIndex + delta
tempNodes := make([]*AutoScalerServerNode, 0, -delta)
for index := startIndex; index >= endIndex; index-- {
nodeName := g.nodeName(index, false, false)
if node := g.Nodes[nodeName]; node != nil {
tempNodes = append(tempNodes, node)
if err = node.deleteVM(c); err != nil {
glog.Errorf(constantes.ErrUnableToDeleteVM, node.NodeName, err)
break
}
}
}
for _, node := range tempNodes {
g.RunningNodes[node.NodeIndex] = ServerNodeStateDeleted
delete(g.Nodes, node.NodeName)
}
return err
}
func (g *AutoScalerServerNodeGroup) addManagedNode(crd *v1alpha1.ManagedNode) (*AutoScalerServerNode, error) {
controlPlane := crd.Spec.ControlPlane
nodeIndex := g.findNextNodeIndex(true)
nodeName := g.nodeName(nodeIndex, controlPlane, true)
// Clone the vsphere config to allow increment IP address
if vsphereConfig, err := g.configuration.GetVSphereConfiguration(g.NodeGroupIdentifier).Clone(nodeIndex); err == nil {
g.RunningNodes[nodeIndex] = ServerNodeStateCreating
resLimit := g.configuration.ManagedNodeResourceLimiter
memorySize := utils.MaxInt(utils.MinInt(crd.Spec.MemorySize, resLimit.GetMaxValue(constantes.ResourceNameManagedNodeMemory, types.ManagedNodeMaxMemory)),
resLimit.GetMinValue(constantes.ResourceNameManagedNodeMemory, types.ManagedNodeMinMemory))
vcpus := utils.MaxInt(utils.MinInt(crd.Spec.VCpus, resLimit.GetMaxValue(constantes.ResourceNameManagedNodeCores, types.ManagedNodeMaxCores)),
resLimit.GetMinValue(constantes.ResourceNameManagedNodeCores, types.ManagedNodeMinCores))
diskSize := utils.MaxInt(utils.MinInt(crd.Spec.DiskSize, resLimit.GetMaxValue(constantes.ResourceNameManagedNodeDisk, types.ManagedNodeMaxDiskSize)),
resLimit.GetMinValue(constantes.ResourceNameManagedNodeDisk, types.ManagedNodeMinDiskSize))
node := &AutoScalerServerNode{
NodeGroupID: g.NodeGroupIdentifier,
NodeName: nodeName,
NodeIndex: nodeIndex,
Memory: memorySize,
CPU: vcpus,
Disk: diskSize,
NodeType: AutoScalerServerNodeManaged,
ControlPlaneNode: controlPlane,
AllowDeployment: crd.Spec.AllowDeployment,
ExtraLabels: CreateLabelOrAnnotation(crd.Spec.Labels),
ExtraAnnotations: CreateLabelOrAnnotation(crd.Spec.Annotations),
CRDUID: crd.GetUID(),
VSphereConfig: vsphereConfig,
serverConfig: g.configuration,
}
// Change network if asked
if len(crd.Spec.NetworkManagement) > 0 {
for _, network := range crd.Spec.NetworkManagement {
if inf := vsphereConfig.FindInterfaceByName(network.NetworkName); inf != nil {
inf.DHCP = network.DHCP
inf.UseRoutes = network.UseRoutes
inf.Routes = network.Routes
if len(network.IPV4Address) > 0 {
inf.IPAddress = network.IPV4Address
}
if len(network.Netmask) > 0 {
inf.Netmask = network.Netmask
}
if len(network.Gateway) > 0 {
inf.Gateway = network.Gateway
}
if len(network.MacAddress) > 0 {
inf.MacAddress = network.MacAddress
}
}
}
}
// Add system labels
if controlPlane {
node.ExtraLabels[constantes.NodeLabelMasterRole] = ""
node.ExtraLabels[constantes.NodeLabelControlPlaneRole] = ""
node.ExtraLabels["master"] = "true"
} else {
node.ExtraLabels[constantes.NodeLabelWorkerRole] = ""
node.ExtraLabels["worker"] = "true"
}
g.pendingNodes[node.NodeName] = node
return node, nil
} else {
return nil, err
}
}
func (g *AutoScalerServerNodeGroup) addNodes(c types.ClientGenerator, delta int) ([]*AutoScalerServerNode, error) {
tempNodes := make([]*AutoScalerServerNode, 0, delta)
if g.Status != NodegroupCreated {
glog.Debugf("AutoScalerServerNodeGroup::addNodes, nodeGroupID:%s -> g.status != nodegroupCreated", g.NodeGroupIdentifier)
return []*AutoScalerServerNode{}, fmt.Errorf(constantes.ErrNodeGroupNotFound, g.NodeGroupIdentifier)
}
for index := 0; index < delta; index++ {
nodeIndex := g.findNextNodeIndex(false)
nodeName := g.nodeName(nodeIndex, false, false)
// Clone the vsphere config to allow increment IP address
if vsphereConfig, err := g.configuration.GetVSphereConfiguration(g.NodeGroupIdentifier).Clone(nodeIndex); err == nil {
g.RunningNodes[nodeIndex] = ServerNodeStateCreating
extraAnnotations := types.KubernetesLabel{}
extraLabels := types.KubernetesLabel{
constantes.NodeLabelWorkerRole: "",
"worker": "true",
}
node := &AutoScalerServerNode{
NodeGroupID: g.NodeGroupIdentifier,
NodeName: nodeName,
NodeIndex: nodeIndex,
Memory: g.Machine.Memory,
CPU: g.Machine.Vcpu,
Disk: g.Machine.Disk,
NodeType: AutoScalerServerNodeAutoscaled,
ExtraAnnotations: extraAnnotations,
ExtraLabels: extraLabels,
ControlPlaneNode: false,
AllowDeployment: true,
VSphereConfig: vsphereConfig,
serverConfig: g.configuration,
}
tempNodes = append(tempNodes, node)
g.pendingNodes[node.NodeName] = node
} else {
g.pendingNodes = make(map[string]*AutoScalerServerNode)
return []*AutoScalerServerNode{}, err
}
}
return g.createNodes(c, tempNodes)
}
// return the list of successfuly created nodes
func (g *AutoScalerServerNodeGroup) createNodes(c types.ClientGenerator, nodes []*AutoScalerServerNode) ([]*AutoScalerServerNode, error) {
var mu sync.Mutex
createdNodes := make([]*AutoScalerServerNode, 0, len(nodes))
glog.Debugf("AutoScalerServerNodeGroup::addNodes, nodeGroupID:%s", g.NodeGroupIdentifier)
numberOfNodesToCreate := len(nodes)
createNode := func(node *AutoScalerServerNode) error {
var err error
defer g.pendingNodesWG.Done()
if g.Status != NodegroupCreated {
g.RunningNodes[node.NodeIndex] = ServerNodeStateNotRunning
glog.Debugf("AutoScalerServerNodeGroup::addNodes, nodeGroupID:%s -> g.status != nodegroupCreated", g.NodeGroupIdentifier)
return fmt.Errorf(constantes.ErrUnableToLaunchVMNodeGroupNotReady, node.NodeName)
}
if err = node.launchVM(c, g.NodeLabels, g.SystemLabels); err != nil {
glog.Errorf(constantes.ErrUnableToLaunchVM, node.NodeName, err)
if status, _ := node.statusVM(); status != AutoScalerServerNodeStateNotCreated {
if e := node.deleteVM(c); e != nil {
glog.Errorf(constantes.ErrUnableToDeleteVM, node.NodeName, e)
}
} else {
glog.Warningf(constantes.WarnFailedVMNotDeleted, node.NodeName, status)
}
mu.Lock()
defer mu.Unlock()
g.RunningNodes[node.NodeIndex] = ServerNodeStateDeleted
} else {
mu.Lock()
defer mu.Unlock()
createdNodes = append(createdNodes, node)
g.Nodes[node.NodeName] = node
g.RunningNodes[node.NodeIndex] = ServerNodeStateRunning
if node.NodeType == AutoScalerServerNodeAutoscaled {
g.numOfProvisionnedNodes++
} else if node.NodeType == AutoScalerServerNodeManaged {
g.numOfManagedNodes++
if node.ControlPlaneNode {
g.numOfControlPlanes++
}
}
}
delete(g.pendingNodes, node.NodeName)
return err
}
var result error = nil
var successful int
g.pendingNodesWG.Add(numberOfNodesToCreate)
// Do sync if one node only
if numberOfNodesToCreate == 1 {
if err := createNode(nodes[0]); err == nil {
successful++
}
} else {
var maxCreatedNodePerCycle int
if g.configuration.MaxCreatedNodePerCycle <= 0 {
maxCreatedNodePerCycle = numberOfNodesToCreate
} else {
maxCreatedNodePerCycle = g.configuration.MaxCreatedNodePerCycle
}
glog.Debugf("Launch node group %s of %d VM by %d nodes per cycle", g.NodeGroupIdentifier, numberOfNodesToCreate, maxCreatedNodePerCycle)
createNodeAsync := func(currentNode *AutoScalerServerNode, wg *sync.WaitGroup, err chan error) {
e := createNode(currentNode)
wg.Done()
err <- e
}
totalLoop := numberOfNodesToCreate / maxCreatedNodePerCycle
if numberOfNodesToCreate%maxCreatedNodePerCycle > 0 {
totalLoop++
}
currentNodeIndex := 0
for numberOfCycle := 0; numberOfCycle < totalLoop; numberOfCycle++ {
// WaitGroup per segment
numberOfNodeInCycle := utils.MinInt(maxCreatedNodePerCycle, numberOfNodesToCreate-currentNodeIndex)
glog.Debugf("Launched cycle: %d, node per cycle is: %d", numberOfCycle, numberOfNodeInCycle)
if numberOfNodeInCycle > 1 {
ch := make([]chan error, numberOfNodeInCycle)
wg := sync.WaitGroup{}
for nodeInCycle := 0; nodeInCycle < numberOfNodeInCycle; nodeInCycle++ {
node := nodes[currentNodeIndex]
cherr := make(chan error)
ch[nodeInCycle] = cherr
currentNodeIndex++
wg.Add(1)
go createNodeAsync(node, &wg, cherr)
}
// Wait this segment to launch
glog.Debugf("Wait cycle to finish: %d", numberOfCycle)
wg.Wait()
glog.Debugf("Launched cycle: %d, collect result", numberOfCycle)
for _, chError := range ch {
if chError != nil {
var err = <-chError
if err == nil {
successful++
}
}
}
glog.Debugf("Finished cycle: %d", numberOfCycle)
} else if numberOfNodeInCycle > 0 {
node := nodes[currentNodeIndex]
currentNodeIndex++
if err := createNode(node); err == nil {
successful++
}
} else {
break
}
}
}
g.pendingNodesWG.Wait()
if g.Status != NodegroupCreated {
result = fmt.Errorf(constantes.ErrUnableToLaunchNodeGroupNotCreated, g.NodeGroupIdentifier)
glog.Errorf("Launched node group %s of %d VM got an error because was destroyed", g.NodeGroupIdentifier, numberOfNodesToCreate)
} else if successful == 0 {
result = fmt.Errorf(constantes.ErrUnableToLaunchNodeGroup, g.NodeGroupIdentifier)
glog.Infof("Launched node group %s of %d VM failed", g.NodeGroupIdentifier, numberOfNodesToCreate)
} else {
glog.Infof("Launched node group %s of %d/%d VM successful", g.NodeGroupIdentifier, successful, numberOfNodesToCreate)
}
return createdNodes, result
}
func (g *AutoScalerServerNodeGroup) nodeAllowDeployment(nodeInfo *apiv1.Node) bool {
if nodeInfo.Spec.Taints != nil {
for _, taint := range nodeInfo.Spec.Taints {
if taint.Key == constantes.NodeLabelMasterRole || taint.Key == constantes.NodeLabelControlPlaneRole {
if taint.Effect == apiv1.TaintEffectNoSchedule {
return true
}
}
}
}
return true
}
func (g *AutoScalerServerNodeGroup) findManagedNodeDeleted(client types.ClientGenerator, formerNodes map[string]*AutoScalerServerNode) {
for nodeName, formerNode := range formerNodes {
if _, found := g.Nodes[nodeName]; !found {
if _, err := formerNode.statusVM(); err == nil {
glog.Infof("Node '%s' is deleted, delete VM", nodeName)
if err := formerNode.deleteVM(client); err != nil {
glog.Errorf(constantes.ErrUnableToDeleteVM, nodeName, err)
}
}
}
}
}
func (g *AutoScalerServerNodeGroup) autoDiscoveryNodes(client types.ClientGenerator, includeExistingNode bool) (map[string]*AutoScalerServerNode, error) {
var lastNodeIndex = 0
var nodeInfos *apiv1.NodeList
var err error
if nodeInfos, err = client.NodeList(); err != nil {
return nil, err
}
formerNodes := g.Nodes
g.Nodes = make(map[string]*AutoScalerServerNode)
g.pendingNodes = make(map[string]*AutoScalerServerNode)
g.RunningNodes = make(map[int]ServerNodeState)
g.LastCreatedNodeIndex = 0
g.numOfExternalNodes = 0
g.numOfManagedNodes = 0
g.numOfProvisionnedNodes = 0
g.numOfControlPlanes = 0
for _, nodeInfo := range nodeInfos.Items {
if nodegroupName, found := nodeInfo.Annotations[constantes.AnnotationNodeGroupName]; found {
var nodeType AutoScalerServerNodeType
var crdUID uid.UID
var vmUUID string
var nodeIndex string
autoProvisionned, _ := strconv.ParseBool(nodeInfo.Annotations[constantes.AnnotationNodeAutoProvisionned])
managedNode, _ := strconv.ParseBool(nodeInfo.Annotations[constantes.AnnotationNodeManaged])
controlPlane := false
if _, found = nodeInfo.Labels[constantes.NodeLabelControlPlaneRole]; found {
controlPlane = true
} else if _, found = nodeInfo.Labels[constantes.NodeLabelMasterRole]; found {
controlPlane = true
}
if autoProvisionned {
nodeType = AutoScalerServerNodeAutoscaled
} else if managedNode {
nodeType = AutoScalerServerNodeManaged
} else {
nodeType = AutoScalerServerNodeExternal
}
// Ignore nodes not handled by autoscaler if option includeExistingNode == false
if nodegroupName == g.NodeGroupIdentifier && (autoProvisionned || includeExistingNode) {
glog.Infof("Discover node:%s matching nodegroup:%s", nodeInfo.Name, g.NodeGroupIdentifier)
node := formerNodes[nodeInfo.Name]
runningIP := ""
if vmUUID, found = nodeInfo.Annotations[constantes.AnnotationInstanceID]; !found {
vmUUID = node.findInstanceUUID()
}
if nodeIndex, found = nodeInfo.Annotations[constantes.AnnotationNodeIndex]; found {
lastNodeIndex, _ = strconv.Atoi(nodeIndex)
}
for _, address := range nodeInfo.Status.Addresses {
if address.Type == apiv1.NodeInternalIP {
runningIP = address.Address
break
}
}
glog.Infof("Add node:%s with IP:%s to nodegroup:%s", nodeInfo.Name, runningIP, g.NodeGroupIdentifier)
g.LastCreatedNodeIndex = utils.MaxInt(g.LastCreatedNodeIndex, lastNodeIndex)
if ownerRef := metav1.GetControllerOf(&nodeInfo); ownerRef != nil {
if ownerRef.Kind == v1alpha1.SchemeGroupVersionKind.Kind {
crdUID = ownerRef.UID
}
}
if node == nil {
node = &AutoScalerServerNode{
NodeGroupID: g.NodeGroupIdentifier,
NodeName: nodeInfo.Name,
NodeIndex: lastNodeIndex,
State: AutoScalerServerNodeStateRunning,
NodeType: nodeType,
VMUUID: vmUUID,
CRDUID: crdUID,
ControlPlaneNode: controlPlane,
AllowDeployment: g.nodeAllowDeployment(&nodeInfo),
CPU: int(nodeInfo.Status.Capacity.Cpu().Value()),
Memory: int(nodeInfo.Status.Capacity.Memory().Value() / (1024 * 1024)),
Disk: int(nodeInfo.Status.Capacity.Storage().Value() / (1024 * 1024)),
VSphereConfig: g.configuration.GetVSphereConfiguration(g.NodeGroupIdentifier).Copy(),
IPAddress: runningIP,
serverConfig: g.configuration,
}
err = client.AnnoteNode(nodeInfo.Name, map[string]string{
constantes.AnnotationNodeGroupName: g.NodeGroupIdentifier,
constantes.AnnotationInstanceID: vmUUID,
constantes.AnnotationScaleDownDisabled: strconv.FormatBool(nodeType != AutoScalerServerNodeAutoscaled),
constantes.AnnotationNodeAutoProvisionned: strconv.FormatBool(autoProvisionned),
constantes.AnnotationNodeManaged: strconv.FormatBool(managedNode),
constantes.AnnotationNodeIndex: strconv.Itoa(node.NodeIndex),
})
if err != nil {
glog.Errorf(constantes.ErrAnnoteNodeReturnError, nodeInfo.Name, err)
}
if err != nil {
glog.Errorf(constantes.ErrLabelNodeReturnError, nodeInfo.Name, err)
}
}
if err = node.retrieveNetworkInfos(); err != nil {
glog.Errorf("an error occured during retrieve network infos: %v", err)
}
g.Nodes[nodeInfo.Name] = node
g.RunningNodes[lastNodeIndex] = ServerNodeStateRunning
if controlPlane {
if managedNode {
g.numOfManagedNodes++
} else {
g.numOfExternalNodes++
}
g.numOfControlPlanes++
} else if autoProvisionned {
g.numOfProvisionnedNodes++
} else if managedNode {
g.numOfManagedNodes++
} else {
g.numOfExternalNodes++
}
lastNodeIndex++
_, _ = node.statusVM()
} else {
glog.Infof("Ignore kubernetes node %s not handled by me", nodeInfo.Name)
}
}
}
return formerNodes, nil
}
func (g *AutoScalerServerNodeGroup) deleteNode(c types.ClientGenerator, node *AutoScalerServerNode) error {
var err error
if err = node.deleteVM(c); err != nil {
glog.Errorf(constantes.ErrUnableToDeleteVM, node.NodeName, err)
}
g.RunningNodes[node.NodeIndex] = ServerNodeStateDeleted
delete(g.Nodes, node.NodeName)
if node.NodeType == AutoScalerServerNodeAutoscaled {
g.numOfProvisionnedNodes--
} else {
g.numOfManagedNodes--
}
return err
}
func (g *AutoScalerServerNodeGroup) deleteNodeByName(c types.ClientGenerator, nodeName string) error {
glog.Debugf("AutoScalerServerNodeGroup::deleteNodeByName, nodeGroupID:%s, nodeName:%s", g.NodeGroupIdentifier, nodeName)
if node := g.Nodes[nodeName]; node != nil {
return g.deleteNode(c, node)
}
return fmt.Errorf(constantes.ErrNodeNotFoundInNodeGroup, nodeName, g.NodeGroupIdentifier)
}
func (g *AutoScalerServerNodeGroup) setConfiguration(config *types.AutoScalerServerConfig) {
glog.Debugf("AutoScalerServerNodeGroup::setConfiguration, nodeGroupID:%s", g.NodeGroupIdentifier)
g.configuration = config
for _, node := range g.Nodes {
node.setServerConfiguration(config)
}
}
func (g *AutoScalerServerNodeGroup) deleteNodeGroup(c types.ClientGenerator) error {
glog.Debugf("AutoScalerServerNodeGroup::deleteNodeGroup, nodeGroupID:%s", g.NodeGroupIdentifier)
return g.cleanup(c)
}
func (g *AutoScalerServerNodeGroup) getProvisionnedNodePrefix() string {
if len(g.ProvisionnedNodeNamePrefix) == 0 {
return "autoscaled"
}
return g.ProvisionnedNodeNamePrefix
}
func (g *AutoScalerServerNodeGroup) getControlPlanePrefix() string {
if len(g.ControlPlaneNamePrefix) == 0 {
return "master"
}
return g.ControlPlaneNamePrefix
}
func (g *AutoScalerServerNodeGroup) getManagedNodePrefix() string {
if len(g.ManagedNodeNamePrefix) == 0 {
return "worker"
}
return g.ManagedNodeNamePrefix
}
func (g *AutoScalerServerNodeGroup) nodeName(vmIndex int, controlplane, managed bool) string {
var start int
if controlplane {
start = 2
} else {
start = 1
}
for index := start; index <= g.MaxNodeSize; index++ {
var nodeName string
if controlplane {
nodeName = fmt.Sprintf("%s-%s-%02d", g.NodeGroupIdentifier, g.getControlPlanePrefix(), index)
} else if managed {
nodeName = fmt.Sprintf("%s-%s-%02d", g.NodeGroupIdentifier, g.getManagedNodePrefix(), index)
} else {
nodeName = fmt.Sprintf("%s-%s-%02d", g.NodeGroupIdentifier, g.getProvisionnedNodePrefix(), index)
}
if _, ok := g.Nodes[nodeName]; !ok {
// Could be in pending node
if _, ok = g.pendingNodes[nodeName]; !ok {
return nodeName
}
}
}
// Should never reach this code
if controlplane {
return fmt.Sprintf("%s-%s-%02d", g.NodeGroupIdentifier, g.getControlPlanePrefix(), vmIndex-g.numOfExternalNodes-g.numOfProvisionnedNodes-g.numOfManagedNodes+g.numOfControlPlanes+1)
} else if managed {
return fmt.Sprintf("%s-%s-%02d", g.NodeGroupIdentifier, g.getManagedNodePrefix(), vmIndex-g.numOfExternalNodes-g.numOfProvisionnedNodes+1)
} else {
return fmt.Sprintf("%s-%s-%02d", g.NodeGroupIdentifier, g.getProvisionnedNodePrefix(), vmIndex-g.numOfExternalNodes-g.numOfManagedNodes+1)
}
}
func (g *AutoScalerServerNodeGroup) findNodeByCRDUID(uid uid.UID) (*AutoScalerServerNode, error) {
for _, node := range g.Nodes {
if node.CRDUID == uid {
return node, nil
}
}
return nil, fmt.Errorf(constantes.ErrManagedNodeNotFound, uid)
}