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informers.go
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informers.go
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/*-
* Copyright (c) 2016-2021, F5 Networks, Inc.
*
* 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 controller
import (
"context"
"fmt"
"io"
"k8s.io/apimachinery/pkg/runtime"
utilruntime "k8s.io/apimachinery/pkg/util/runtime"
"k8s.io/apimachinery/pkg/watch"
"k8s.io/client-go/rest"
"reflect"
"time"
ficV1 "github.com/F5Networks/f5-ipam-controller/pkg/ipamapis/apis/fic/v1"
cisapiv1 "github.com/F5Networks/k8s-bigip-ctlr/v3/config/apis/cis/v1"
cisinfv1 "github.com/F5Networks/k8s-bigip-ctlr/v3/config/client/informers/externalversions/cis/v1"
log "github.com/F5Networks/k8s-bigip-ctlr/v3/pkg/vlogger"
routeapi "github.com/openshift/api/route/v1"
corev1 "k8s.io/api/core/v1"
apierrors "k8s.io/apimachinery/pkg/api/errors"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/client-go/tools/cache"
)
var K8SCoreServices = map[string]bool{
"kube-dns": true,
"kube-scheduler": true,
"kube-controller-manager": true,
"kube-apiserver": true,
"docker-registry": true,
"kubernetes": true,
"registry-console": true,
"router": true,
"kubelet": true,
"console": true,
"alertmanager-main": true,
"alertmanager-operated": true,
"cluster-monitoring-operator": true,
"kube-state-metrics": true,
"node-exporter": true,
"kube-proxy": true,
"flannel": true,
"etcd": true,
"antrea": true,
}
var OSCPCoreServices = map[string]bool{
"openshift": true,
"metrics": true,
"api": true,
"check-endpoints": true,
"oauth-openshift": true,
"cco-metrics": true,
"machine-approver": true,
"node-tuning-operator": true,
"performance-addon-operator-service": true,
"cluster-storage-operator-metrics": true,
"csi-snapshot-controller-operator-metrics": true,
"csi-snapshot-webhook": true,
"cluster-version-operator": true,
"downloads": true,
"controller-manager": true,
"dns-default": true,
"image-registry-operator": true,
"router-internal-default": true,
"apiserver": true,
"scheduler": true,
"cluster-autoscaler-operator": true,
"cluster-baremetal-operator-service": true,
"cluster-baremetal-webhook-service": true,
"machine-api-controllers": true,
"machine-api-operator": true,
"machine-api-operator-webhook": true,
"machine-config-controller": true,
"machine-config-daemon": true,
"certified-operators": true,
"community-operators": true,
"marketplace-operator-metrics": true,
"redhat-marketplace": true,
"redhat-operators": true,
"openshift-state-metrics": true,
"telemeter-client": true,
"thanos-querier": true,
"multus-admission-controller": true,
"network-metrics-service": true,
"network-check-source": true,
"network-check-target": true,
"catalog-operator-metrics": true,
"olm-operator-metrics": true,
"packageserver-service": true,
"sdn": true,
"sdn-controller": true,
}
// start the VirtualServer informer
func (crInfr *CRInformer) start() {
var cacheSyncs []cache.InformerSynced
if crInfr.vsInformer != nil {
log.Debugf("Starting virtualServer informer for namespace %v", crInfr.namespace)
go crInfr.vsInformer.Run(crInfr.stopCh)
cacheSyncs = append(cacheSyncs, crInfr.vsInformer.HasSynced)
}
if crInfr.tlsInformer != nil {
log.Debugf("Starting tlsProfile informer for namespace %v", crInfr.namespace)
go crInfr.tlsInformer.Run(crInfr.stopCh)
cacheSyncs = append(cacheSyncs, crInfr.tlsInformer.HasSynced)
}
if crInfr.tsInformer != nil {
log.Debugf("Starting transportServer informer for namespace %v", crInfr.namespace)
go crInfr.tsInformer.Run(crInfr.stopCh)
cacheSyncs = append(cacheSyncs, crInfr.tsInformer.HasSynced)
}
if crInfr.ilInformer != nil {
log.Debugf("Starting ingressLink informer for namespace %v", crInfr.namespace)
go crInfr.ilInformer.Run(crInfr.stopCh)
cacheSyncs = append(cacheSyncs, crInfr.ilInformer.HasSynced)
}
cache.WaitForNamedCacheSync(
"F5 CIS Ingress Controller",
crInfr.stopCh,
cacheSyncs...,
)
}
func (crInfr *CRInformer) stop() {
log.Debugf("Stopping virtualServer, tlsProfile, transportServer and ingressLink informers for namespace %v", crInfr.namespace)
close(crInfr.stopCh)
}
func (nrInfr *NRInformer) start() {
var cacheSyncs []cache.InformerSynced
if nrInfr.routeInformer != nil {
go nrInfr.routeInformer.Run(nrInfr.stopCh)
cacheSyncs = append(cacheSyncs, nrInfr.routeInformer.HasSynced)
}
cache.WaitForNamedCacheSync(
"F5 CIS Ingress Controller",
nrInfr.stopCh,
cacheSyncs...,
)
}
func (nrInfr *NRInformer) stop() {
log.Debugf("Stopping route informer for namespace %v", nrInfr.namespace)
close(nrInfr.stopCh)
}
func (comInfr *CommonInformer) start() {
var cacheSyncs []cache.InformerSynced
if comInfr.svcInformer != nil {
log.Debugf("Starting service informer for namespace %v", comInfr.namespace)
go comInfr.svcInformer.Run(comInfr.stopCh)
cacheSyncs = append(cacheSyncs, comInfr.svcInformer.HasSynced)
}
if comInfr.epsInformer != nil {
log.Debugf("Starting endpoint informer for namespace %v", comInfr.namespace)
go comInfr.epsInformer.Run(comInfr.stopCh)
cacheSyncs = append(cacheSyncs, comInfr.epsInformer.HasSynced)
}
if comInfr.ednsInformer != nil {
log.Debugf("Starting externalDNS informer for namespace %v", comInfr.namespace)
go comInfr.ednsInformer.Run(comInfr.stopCh)
cacheSyncs = append(cacheSyncs, comInfr.ednsInformer.HasSynced)
}
if comInfr.plcInformer != nil {
log.Debugf("Starting policy informer for namespace %v", comInfr.namespace)
go comInfr.plcInformer.Run(comInfr.stopCh)
cacheSyncs = append(cacheSyncs, comInfr.plcInformer.HasSynced)
}
if comInfr.podInformer != nil {
log.Debugf("Starting pod informer for namespace %v", comInfr.namespace)
go comInfr.podInformer.Run(comInfr.stopCh)
cacheSyncs = append(cacheSyncs, comInfr.podInformer.HasSynced)
}
if comInfr.secretsInformer != nil {
log.Debugf("Starting secretes informer for namespace %v", comInfr.namespace)
go comInfr.secretsInformer.Run(comInfr.stopCh)
cacheSyncs = append(cacheSyncs, comInfr.secretsInformer.HasSynced)
}
if comInfr.configCRInformer != nil {
log.Debugf("Starting deployConfig informer for namespace %v", comInfr.namespace)
go comInfr.configCRInformer.Run(comInfr.stopCh)
cacheSyncs = append(cacheSyncs, comInfr.configCRInformer.HasSynced)
}
cache.WaitForNamedCacheSync(
"F5 CIS Ingress Controller",
comInfr.stopCh,
cacheSyncs...,
)
}
func (comInfr *CommonInformer) stop(namespace string) {
log.Debugf("Stopping service, endpoint, pod, secret, policy, deployConfig and externalDNS informers for namespace %v", namespace)
close(comInfr.stopCh)
}
func (ctlr *Controller) watchingAllNamespaces() bool {
if ctlr.managedResources.ManageRoutes {
if len(ctlr.comInformers) == 0 || len(ctlr.nrInformers) == 0 {
return false
}
_, watchingAll := ctlr.comInformers[""]
return watchingAll
}
if ctlr.managedResources.ManageCustomResources {
if len(ctlr.crInformers) == 0 {
// Not watching any namespaces.
return false
}
_, watchingAll := ctlr.crInformers[""]
return watchingAll
}
return false
}
func (ctlr *Controller) getNamespacedCRInformer(
namespace string,
) (*CRInformer, bool) {
if ctlr.watchingAllNamespaces() {
namespace = ""
}
crInf, found := ctlr.crInformers[namespace]
return crInf, found
}
func (ctlr *Controller) getNamespacedCommonInformer(
namespace string,
) (*CommonInformer, bool) {
if ctlr.watchingAllNamespaces() {
namespace = ""
}
comInf, found := ctlr.comInformers[namespace]
return comInf, found
}
func (ctlr *Controller) getNamespacedNativeInformer(
namespace string,
) (*NRInformer, bool) {
if ctlr.watchingAllNamespaces() {
namespace = ""
}
nrInf, found := ctlr.nrInformers[namespace]
return nrInf, found
}
func (ctlr *Controller) getWatchingNamespaces() []string {
var namespaces []string
if ctlr.watchingAllNamespaces() {
nss, err := ctlr.clientsets.kubeClient.CoreV1().Namespaces().List(context.TODO(), metav1.ListOptions{})
if err != nil {
log.Errorf("Unable to Fetch Namespaces: %v", err)
return nil
}
for _, ns := range nss.Items {
namespaces = append(namespaces, ns.Name)
}
return namespaces
}
for ns, _ := range ctlr.namespaces {
namespaces = append(namespaces, ns)
}
return namespaces
}
func (ctlr *Controller) addNamespacedInformers(
namespace string,
startInformer bool,
) error {
if ctlr.watchingAllNamespaces() {
return fmt.Errorf(
"Cannot add additional namespaces when already watching all.")
}
if len(ctlr.crInformers) > 0 && "" == namespace {
return fmt.Errorf(
"Cannot watch all namespaces when already watching specific ones.")
}
// add common informers in all modes
if _, found := ctlr.comInformers[namespace]; !found {
comInf := ctlr.newNamespacedCommonResourceInformer(namespace)
ctlr.addCommonResourceEventHandlers(comInf)
ctlr.comInformers[namespace] = comInf
if startInformer {
comInf.start()
}
}
if ctlr.managedResources.ManageRoutes { // Create native resource informers in openshift mode only
if _, found := ctlr.nrInformers[namespace]; !found {
nrInf := ctlr.newNamespacedNativeResourceInformer(namespace)
ctlr.addNativeResourceEventHandlers(nrInf)
ctlr.nrInformers[namespace] = nrInf
if startInformer {
nrInf.start()
}
}
}
if ctlr.managedResources.ManageCustomResources { // create customer resource informers in custom resource mode
// Enabling CRInformers only for custom resource mode
if _, found := ctlr.crInformers[namespace]; !found {
crInf := ctlr.newNamespacedCustomResourceInformer(namespace)
ctlr.addCustomResourceEventHandlers(crInf)
ctlr.crInformers[namespace] = crInf
if startInformer {
crInf.start()
}
}
}
return nil
}
func (ctlr *Controller) newNamespacedCustomResourceInformer(
namespace string,
) *CRInformer {
log.Debugf("Creating custom resource informers for namespace %v", namespace)
crOptions := func(options *metav1.ListOptions) {
options.LabelSelector = ctlr.resourceSelectorConfig.customResourceSelector.String()
}
everything := func(options *metav1.ListOptions) {
options.LabelSelector = ""
}
resyncPeriod := 0 * time.Second
crInf := &CRInformer{
namespace: namespace,
stopCh: make(chan struct{}),
}
if ctlr.managedResources.ManageIL {
crInf.ilInformer = cisinfv1.NewFilteredIngressLinkInformer(
ctlr.clientsets.kubeCRClient,
namespace,
resyncPeriod,
cache.Indexers{cache.NamespaceIndex: cache.MetaNamespaceIndexFunc},
everything,
)
}
if ctlr.managedResources.ManageVirtualServer {
crInf.vsInformer = cisinfv1.NewFilteredVirtualServerInformer(
ctlr.clientsets.kubeCRClient,
namespace,
resyncPeriod,
cache.Indexers{cache.NamespaceIndex: cache.MetaNamespaceIndexFunc},
crOptions,
)
}
if ctlr.managedResources.ManageTLSProfile {
crInf.tlsInformer = cisinfv1.NewFilteredTLSProfileInformer(
ctlr.clientsets.kubeCRClient,
namespace,
resyncPeriod,
cache.Indexers{cache.NamespaceIndex: cache.MetaNamespaceIndexFunc},
crOptions,
)
}
crInf.tsInformer = cisinfv1.NewFilteredTransportServerInformer(
ctlr.clientsets.kubeCRClient,
namespace,
resyncPeriod,
cache.Indexers{cache.NamespaceIndex: cache.MetaNamespaceIndexFunc},
crOptions,
)
return crInf
}
func (ctlr *Controller) newNamespacedNativeResourceInformer(
namespace string,
) *NRInformer {
log.Debugf("Creating Native Resource Informers for Namespace: %v", namespace)
resyncPeriod := 0 * time.Second
nrInformer := &NRInformer{
namespace: namespace,
stopCh: make(chan struct{}),
}
if ctlr.managedResources.ManageRoutes { // Ensure the default server cert is loaded
//appMgr.loadDefaultCert() why?
nrInformer.routeInformer = cache.NewSharedIndexInformer(
&cache.ListWatch{
ListFunc: func(options metav1.ListOptions) (runtime.Object, error) {
options.LabelSelector = ctlr.resourceSelectorConfig.RouteLabel
return ctlr.clientsets.routeClientV1.Routes(namespace).List(context.TODO(), options)
},
WatchFunc: func(options metav1.ListOptions) (watch.Interface, error) {
options.LabelSelector = ctlr.resourceSelectorConfig.RouteLabel
return ctlr.clientsets.routeClientV1.Routes(namespace).Watch(context.TODO(), options)
},
},
&routeapi.Route{},
resyncPeriod,
cache.Indexers{cache.NamespaceIndex: cache.MetaNamespaceIndexFunc},
)
}
return nrInformer
}
func (ctlr *Controller) getNodeInformer(clusterName string) NodeInformer {
resyncPeriod := 0 * time.Second
var restClientv1 rest.Interface
nodeOptions := func(options *metav1.ListOptions) {
options.LabelSelector = ctlr.resourceSelectorConfig.NodeLabel
}
if clusterName == "" {
restClientv1 = ctlr.clientsets.kubeClient.CoreV1().RESTClient()
} else {
if config, ok := ctlr.multiClusterConfigs.ClusterConfigs[clusterName]; ok {
restClientv1 = config.KubeClient.CoreV1().RESTClient()
}
}
return NodeInformer{stopCh: make(chan struct{}),
nodeInformer: cache.NewSharedIndexInformer(
cache.NewFilteredListWatchFromClient(
restClientv1,
"nodes",
"",
nodeOptions,
),
&corev1.Node{},
resyncPeriod,
cache.Indexers{cache.NamespaceIndex: cache.MetaNamespaceIndexFunc},
),
clusterName: clusterName,
}
}
func (ctlr *Controller) addNodeEventUpdateHandler(nodeInformer *NodeInformer) {
if nodeInformer.nodeInformer != nil {
nodeInformer.nodeInformer.AddEventHandler(
&cache.ResourceEventHandlerFuncs{
AddFunc: func(obj interface{}) { ctlr.SetupNodeProcessing(nodeInformer.clusterName) },
UpdateFunc: func(obj, cur interface{}) {
if ctlr.isValidNodeUpdate(obj.(*corev1.Node), cur.(*corev1.Node)) {
ctlr.SetupNodeProcessing(nodeInformer.clusterName)
}
},
DeleteFunc: func(obj interface{}) { ctlr.SetupNodeProcessing(nodeInformer.clusterName) },
},
)
nodeInformer.nodeInformer.SetWatchErrorHandler(ctlr.getErrorHandlerFunc(NodeUpdate, nodeInformer.clusterName))
}
}
func (ctlr *Controller) isValidNodeUpdate(oldNodeObj *corev1.Node, newNodeObj *corev1.Node) bool {
// only skip the processing of node updates when status/ManagedFields are changed
// if metadata/spec are changed process the node update
if reflect.DeepEqual(oldNodeObj.Annotations, newNodeObj.Annotations) &&
reflect.DeepEqual(oldNodeObj.Labels, newNodeObj.Labels) &&
reflect.DeepEqual(oldNodeObj.Spec, newNodeObj.Spec) &&
(!reflect.DeepEqual(oldNodeObj.Status, newNodeObj.Status) ||
!reflect.DeepEqual(oldNodeObj.ObjectMeta.ManagedFields, newNodeObj.ManagedFields)) {
return false
}
return true
}
func (ctlr *Controller) newNamespacedCommonResourceInformer(
namespace string,
) *CommonInformer {
log.Debugf("Creating common resource informers for namespace %v", namespace)
everything := func(options *metav1.ListOptions) {
options.LabelSelector = ""
}
resyncPeriod := 0 * time.Second
restClientv1 := ctlr.clientsets.kubeClient.CoreV1().RESTClient()
crOptions := func(options *metav1.ListOptions) {
options.LabelSelector = ctlr.resourceSelectorConfig.customResourceSelector.String()
}
comInf := &CommonInformer{
namespace: namespace,
stopCh: make(chan struct{}),
svcInformer: cache.NewSharedIndexInformer(
cache.NewFilteredListWatchFromClient(
restClientv1,
"services",
namespace,
everything,
),
&corev1.Service{},
resyncPeriod,
cache.Indexers{cache.NamespaceIndex: cache.MetaNamespaceIndexFunc},
),
}
if ctlr.managedResources.ManageSecrets {
comInf.secretsInformer = cache.NewSharedIndexInformer(
cache.NewFilteredListWatchFromClient(
restClientv1,
"secrets",
namespace,
everything,
),
&corev1.Secret{},
resyncPeriod,
cache.Indexers{cache.NamespaceIndex: cache.MetaNamespaceIndexFunc},
)
}
// Skipping endpoint informer creation for namespace in non cluster mode when extended configCR is not provided
if ctlr.PoolMemberType != Cluster && ctlr.PoolMemberType != Auto && ctlr.multiClusterMode != "" {
log.Debugf("[Multicluster] Skipping endpoint informer creation for namespace %v", namespace)
} else {
comInf.epsInformer = cache.NewSharedIndexInformer(
cache.NewFilteredListWatchFromClient(
restClientv1,
"endpoints",
namespace,
everything,
),
&corev1.Endpoints{},
resyncPeriod,
cache.Indexers{cache.NamespaceIndex: cache.MetaNamespaceIndexFunc},
)
}
if ctlr.managedResources.ManageEDNS {
comInf.ednsInformer = cisinfv1.NewFilteredExternalDNSInformer(
ctlr.clientsets.kubeCRClient,
namespace,
resyncPeriod,
cache.Indexers{cache.NamespaceIndex: cache.MetaNamespaceIndexFunc},
crOptions,
)
}
comInf.plcInformer = cisinfv1.NewFilteredPolicyInformer(
ctlr.clientsets.kubeCRClient,
namespace,
resyncPeriod,
cache.Indexers{cache.NamespaceIndex: cache.MetaNamespaceIndexFunc},
crOptions,
)
comInf.configCRInformer = cisinfv1.NewFilteredDeployConfigInformer(
ctlr.clientsets.kubeCRClient,
namespace,
resyncPeriod,
cache.Indexers{cache.NamespaceIndex: cache.MetaNamespaceIndexFunc},
crOptions,
)
//enable pod informer for nodeport local mode and openshift mode
if ctlr.PoolMemberType == NodePortLocal || ctlr.managedResources.ManageRoutes {
comInf.podInformer = cache.NewSharedIndexInformer(
cache.NewFilteredListWatchFromClient(
restClientv1,
"pods",
namespace,
everything,
),
&corev1.Pod{},
resyncPeriod,
cache.Indexers{cache.NamespaceIndex: cache.MetaNamespaceIndexFunc},
)
}
return comInf
}
func (ctlr *Controller) addCustomResourceEventHandlers(crInf *CRInformer) {
if crInf.vsInformer != nil {
crInf.vsInformer.AddEventHandler(
&cache.ResourceEventHandlerFuncs{
AddFunc: func(obj interface{}) { ctlr.enqueueVirtualServer(obj) },
UpdateFunc: func(old, cur interface{}) { ctlr.enqueueUpdatedVirtualServer(old, cur) },
DeleteFunc: func(obj interface{}) { ctlr.enqueueDeletedVirtualServer(obj) },
},
)
crInf.vsInformer.SetWatchErrorHandler(ctlr.getErrorHandlerFunc(VirtualServer, Local))
}
if crInf.tlsInformer != nil {
crInf.tlsInformer.AddEventHandler(
&cache.ResourceEventHandlerFuncs{
AddFunc: func(obj interface{}) { ctlr.enqueueTLSProfile(obj, Create) },
UpdateFunc: func(old, cur interface{}) { ctlr.enqueueTLSProfile(cur, Update) },
// DeleteFunc: func(obj interface{}) { ctlr.enqueueTLSProfile(obj) },
},
)
crInf.tlsInformer.SetWatchErrorHandler(ctlr.getErrorHandlerFunc(TLSProfile, Local))
}
if crInf.tsInformer != nil {
crInf.tsInformer.AddEventHandler(
&cache.ResourceEventHandlerFuncs{
AddFunc: func(obj interface{}) { ctlr.enqueueTransportServer(obj) },
UpdateFunc: func(old, cur interface{}) { ctlr.enqueueUpdatedTransportServer(old, cur) },
DeleteFunc: func(obj interface{}) { ctlr.enqueueDeletedTransportServer(obj) },
},
)
crInf.tsInformer.SetWatchErrorHandler(ctlr.getErrorHandlerFunc(TransportServer, Local))
}
if crInf.ilInformer != nil {
crInf.ilInformer.AddEventHandler(
&cache.ResourceEventHandlerFuncs{
AddFunc: func(obj interface{}) { ctlr.enqueueIngressLink(obj) },
UpdateFunc: func(oldObj, newObj interface{}) { ctlr.enqueueUpdatedIngressLink(oldObj, newObj) },
DeleteFunc: func(obj interface{}) { ctlr.enqueueDeletedIngressLink(obj) },
},
)
crInf.ilInformer.SetWatchErrorHandler(ctlr.getErrorHandlerFunc(IngressLink, Local))
}
}
func (ctlr *Controller) addCommonResourceEventHandlers(comInf *CommonInformer) {
if comInf.svcInformer != nil {
comInf.svcInformer.AddEventHandler(
&cache.ResourceEventHandlerFuncs{
AddFunc: func(obj interface{}) { ctlr.enqueueService(obj, "") },
UpdateFunc: func(obj, cur interface{}) { ctlr.enqueueUpdatedService(obj, cur, "") },
DeleteFunc: func(obj interface{}) { ctlr.enqueueDeletedService(obj, "") },
},
)
comInf.svcInformer.SetWatchErrorHandler(ctlr.getErrorHandlerFunc(Service, Local))
}
if comInf.epsInformer != nil {
comInf.epsInformer.AddEventHandler(
&cache.ResourceEventHandlerFuncs{
AddFunc: func(obj interface{}) { ctlr.enqueueEndpoints(obj, Create, "") },
UpdateFunc: func(obj, cur interface{}) { ctlr.enqueueEndpoints(cur, Update, "") },
DeleteFunc: func(obj interface{}) { ctlr.enqueueEndpoints(obj, Delete, "") },
},
)
comInf.epsInformer.SetWatchErrorHandler(ctlr.getErrorHandlerFunc(Endpoints, Local))
}
if comInf.ednsInformer != nil {
comInf.ednsInformer.AddEventHandler(
&cache.ResourceEventHandlerFuncs{
AddFunc: func(obj interface{}) { ctlr.enqueueExternalDNS(obj) },
UpdateFunc: func(oldObj, newObj interface{}) { ctlr.enqueueUpdatedExternalDNS(oldObj, newObj) },
DeleteFunc: func(obj interface{}) { ctlr.enqueueDeletedExternalDNS(obj) },
})
comInf.ednsInformer.SetWatchErrorHandler(ctlr.getErrorHandlerFunc(ExternalDNS, Local))
}
if comInf.plcInformer != nil {
comInf.plcInformer.AddEventHandler(
&cache.ResourceEventHandlerFuncs{
AddFunc: func(obj interface{}) { ctlr.enqueuePolicy(obj, Create) },
UpdateFunc: func(obj, cur interface{}) { ctlr.enqueuePolicy(cur, Update) },
DeleteFunc: func(obj interface{}) { ctlr.enqueueDeletedPolicy(obj) },
},
)
comInf.plcInformer.SetWatchErrorHandler(ctlr.getErrorHandlerFunc(CustomPolicy, Local))
}
if comInf.podInformer != nil {
comInf.podInformer.AddEventHandler(
&cache.ResourceEventHandlerFuncs{
AddFunc: func(obj interface{}) { ctlr.enqueuePod(obj, "") },
UpdateFunc: func(obj, cur interface{}) { ctlr.enqueuePod(cur, "") },
DeleteFunc: func(obj interface{}) { ctlr.enqueueDeletedPod(obj, "") },
},
)
comInf.podInformer.SetWatchErrorHandler(ctlr.getErrorHandlerFunc(Pod, Local))
}
if comInf.secretsInformer != nil {
comInf.secretsInformer.AddEventHandler(
&cache.ResourceEventHandlerFuncs{
AddFunc: func(obj interface{}) { ctlr.enqueueSecret(obj, Create) },
UpdateFunc: func(obj, cur interface{}) { ctlr.enqueueSecret(cur, Update) },
DeleteFunc: func(obj interface{}) { ctlr.enqueueSecret(obj, Delete) },
},
)
comInf.secretsInformer.SetWatchErrorHandler(ctlr.getErrorHandlerFunc(Secret, Local))
}
if comInf.configCRInformer != nil {
comInf.configCRInformer.AddEventHandler(
&cache.ResourceEventHandlerFuncs{
AddFunc: func(obj interface{}) { ctlr.enqueueConfigCR(obj, Create) },
UpdateFunc: func(old, cur interface{}) { ctlr.enqueueUpdatedConfigCR(old, cur) },
DeleteFunc: func(obj interface{}) { ctlr.enqueueDeletedConfigCR(obj) },
},
)
comInf.configCRInformer.SetWatchErrorHandler(ctlr.getErrorHandlerFunc(ConfigCR, Local))
}
}
func (ctlr *Controller) addNativeResourceEventHandlers(nrInf *NRInformer) {
if nrInf.routeInformer != nil {
nrInf.routeInformer.AddEventHandler(
&cache.ResourceEventHandlerFuncs{
AddFunc: func(obj interface{}) { ctlr.enqueueRoute(obj, Create) },
UpdateFunc: func(old, cur interface{}) { ctlr.enqueueUpdatedRoute(old, cur) },
DeleteFunc: func(obj interface{}) { ctlr.enqueueRoute(obj, Delete) },
},
)
nrInf.routeInformer.SetWatchErrorHandler(ctlr.getErrorHandlerFunc(Route, Local))
}
}
func (ctlr *Controller) getEventHandlerForIPAM() *cache.ResourceEventHandlerFuncs {
return &cache.ResourceEventHandlerFuncs{
AddFunc: func(obj interface{}) { ctlr.enqueueIPAM(obj) },
UpdateFunc: func(oldObj, newObj interface{}) { ctlr.enqueueUpdatedIPAM(oldObj, newObj) },
DeleteFunc: func(obj interface{}) { ctlr.enqueueDeletedIPAM(obj) },
}
}
func (ctlr *Controller) enqueueIPAM(obj interface{}) {
ipamObj := obj.(*ficV1.IPAM)
if ipamObj.Namespace+"/"+ipamObj.Name != ctlr.ipamHandler.IPAMCR {
return
}
log.Debugf("Enqueueing IPAM: %v", ipamObj)
key := &rqKey{
namespace: ipamObj.ObjectMeta.Namespace,
kind: IPAM,
rscName: ipamObj.ObjectMeta.Name,
rsc: obj,
event: Create,
}
ctlr.resourceQueue.Add(key)
}
func (ctlr *Controller) enqueueUpdatedIPAM(oldObj, newObj interface{}) {
oldIpam := oldObj.(*ficV1.IPAM)
curIpam := newObj.(*ficV1.IPAM)
if curIpam.Namespace+"/"+curIpam.Name != ctlr.ipamHandler.IPAMCR {
return
}
if reflect.DeepEqual(oldIpam.Status, curIpam.Status) {
return
}
log.Debugf("Enqueueing Updated IPAM: %v", curIpam)
key := &rqKey{
namespace: curIpam.ObjectMeta.Namespace,
kind: IPAM,
rscName: curIpam.ObjectMeta.Name,
rsc: newObj,
event: Update,
}
ctlr.resourceQueue.Add(key)
}
func (ctlr *Controller) enqueueDeletedIPAM(obj interface{}) {
ipamObj := obj.(*ficV1.IPAM)
if ipamObj.Namespace+"/"+ipamObj.Name != ctlr.ipamHandler.IPAMCR {
return
}
log.Debugf("Enqueueing IPAM: %v", ipamObj)
key := &rqKey{
namespace: ipamObj.ObjectMeta.Namespace,
kind: IPAM,
rscName: ipamObj.ObjectMeta.Name,
rsc: obj,
event: Delete,
}
ctlr.resourceQueue.Add(key)
}
func (ctlr *Controller) enqueueVirtualServer(obj interface{}) {
vs := obj.(*cisapiv1.VirtualServer)
log.Debugf("Enqueueing VirtualServer: %v", vs)
key := &rqKey{
namespace: vs.ObjectMeta.Namespace,
kind: VirtualServer,
rscName: vs.ObjectMeta.Name,
rsc: obj,
event: Create,
}
ctlr.resourceQueue.Add(key)
}
func (ctlr *Controller) enqueueUpdatedVirtualServer(oldObj, newObj interface{}) {
oldVS := oldObj.(*cisapiv1.VirtualServer)
newVS := newObj.(*cisapiv1.VirtualServer)
// Skip virtual servers on status updates
if reflect.DeepEqual(oldVS.Spec, newVS.Spec) && reflect.DeepEqual(oldVS.Labels, newVS.Labels) {
return
}
updateEvent := true
oldVSPartition := ctlr.getCRPartition(oldVS.Spec.Partition)
newVSPartition := ctlr.getCRPartition(newVS.Spec.Partition)
////TODO: get bigipLabel from cr resource or service address cr resource
// //Phase1 setting bigipLabel to default
bigipLabel := BigIPLabel
bigipConfig := ctlr.getBIGIPConfig(bigipLabel)
if oldVS.Spec.VirtualServerAddress != newVS.Spec.VirtualServerAddress ||
oldVS.Spec.VirtualServerHTTPPort != newVS.Spec.VirtualServerHTTPPort ||
oldVS.Spec.VirtualServerHTTPSPort != newVS.Spec.VirtualServerHTTPSPort ||
oldVS.Spec.VirtualServerName != newVS.Spec.VirtualServerName ||
oldVS.Spec.Host != newVS.Spec.Host ||
oldVS.Spec.IPAMLabel != newVS.Spec.IPAMLabel ||
oldVS.Spec.HostGroup != newVS.Spec.HostGroup ||
oldVSPartition != newVSPartition {
log.Debugf("Enqueueing Old VirtualServer: %v", oldVS)
// delete vs from previous partition on priority when partition is changed
if oldVSPartition != newVSPartition {
ctlr.resources.updatePartitionPriority(oldVSPartition, 1, bigipConfig)
}
key := &rqKey{
namespace: oldVS.ObjectMeta.Namespace,
kind: VirtualServer,
rscName: oldVS.ObjectMeta.Name,
rsc: oldObj,
event: Delete,
}
updateEvent = false
ctlr.resourceQueue.Add(key)
}
log.Debugf("Enqueueing VirtualServer: %v", newVS)
key := &rqKey{
namespace: newVS.ObjectMeta.Namespace,
kind: VirtualServer,
rscName: newVS.ObjectMeta.Name,
rsc: newObj,
event: Create,
}
if updateEvent {
key.event = Update
}
ctlr.resourceQueue.Add(key)
}
func (ctlr *Controller) enqueueDeletedVirtualServer(obj interface{}) {
vs := obj.(*cisapiv1.VirtualServer)
log.Debugf("Enqueueing VirtualServer: %v", vs)
key := &rqKey{
namespace: vs.ObjectMeta.Namespace,
kind: VirtualServer,
rscName: vs.ObjectMeta.Name,
rsc: obj,
event: Delete,
}
ctlr.resourceQueue.Add(key)
}
func (ctlr *Controller) enqueueTLSProfile(obj interface{}, event string) {
tls := obj.(*cisapiv1.TLSProfile)
log.Debugf("Enqueueing TLSProfile: %v", tls)
key := &rqKey{
namespace: tls.ObjectMeta.Namespace,
kind: TLSProfile,
rscName: tls.ObjectMeta.Name,
rsc: obj,
event: event,
}
ctlr.resourceQueue.Add(key)
}
func (ctlr *Controller) enqueueTransportServer(obj interface{}) {
ts := obj.(*cisapiv1.TransportServer)
log.Debugf("Enqueueing TransportServer: %v", ts)
key := &rqKey{
namespace: ts.ObjectMeta.Namespace,
kind: TransportServer,
rscName: ts.ObjectMeta.Name,
rsc: obj,
event: Create,
}
ctlr.resourceQueue.Add(key)
}
func (ctlr *Controller) enqueueUpdatedTransportServer(oldObj, newObj interface{}) {
oldVS := oldObj.(*cisapiv1.TransportServer)
newVS := newObj.(*cisapiv1.TransportServer)
// Skip transport servers on status updates
if reflect.DeepEqual(oldVS.Spec, newVS.Spec) && reflect.DeepEqual(oldVS.Labels, newVS.Labels) {
return
}
updateEvent := true
oldVSPartition := ctlr.getCRPartition(oldVS.Spec.Partition)
newVSPartition := ctlr.getCRPartition(newVS.Spec.Partition)
////TODO: get bigipLabel from cr resource or service address cr resource
// //Phase1 setting bigipLabel to default
bigipLabel := BigIPLabel
bigipConfig := ctlr.getBIGIPConfig(bigipLabel)
if oldVS.Spec.VirtualServerAddress != newVS.Spec.VirtualServerAddress ||
oldVS.Spec.VirtualServerPort != newVS.Spec.VirtualServerPort ||
oldVS.Spec.VirtualServerName != newVS.Spec.VirtualServerName ||
oldVS.Spec.IPAMLabel != newVS.Spec.IPAMLabel ||
oldVS.Spec.HostGroup != newVS.Spec.HostGroup ||
oldVSPartition != newVSPartition {
log.Debugf("Enqueueing TransportServer: %v", oldVS)
// delete vs from previous partition on priority when partition is changed
if oldVSPartition != newVSPartition {
ctlr.resources.updatePartitionPriority(oldVSPartition, 1, bigipConfig)
}
key := &rqKey{
namespace: oldVS.ObjectMeta.Namespace,
kind: TransportServer,
rscName: oldVS.ObjectMeta.Name,
rsc: oldObj,
event: Delete,
}
ctlr.resourceQueue.Add(key)
updateEvent = false
}
log.Debugf("Enqueueing TransportServer: %v", newVS)
key := &rqKey{
namespace: newVS.ObjectMeta.Namespace,
kind: TransportServer,
rscName: newVS.ObjectMeta.Name,
rsc: newObj,
event: Create,
}
if updateEvent {
key.event = Update
}
ctlr.resourceQueue.Add(key)
}
func (ctlr *Controller) enqueueDeletedTransportServer(obj interface{}) {
vs := obj.(*cisapiv1.TransportServer)
log.Debugf("Enqueueing TransportServer: %v", vs)
key := &rqKey{
namespace: vs.ObjectMeta.Namespace,
kind: TransportServer,
rscName: vs.ObjectMeta.Name,
rsc: obj,
event: Delete,
}
ts, _ := ctlr.clientsets.kubeCRClient.CisV1().TransportServers(vs.Namespace).Get(context.TODO(), vs.Name, metav1.GetOptions{})
if ts != nil {
go ctlr.updateResourceStatus(TransportServer, vs, "", "", nil)
}
ctlr.resourceQueue.Add(key)
}
func (ctlr *Controller) enqueuePolicy(obj interface{}, event string) {
pol := obj.(*cisapiv1.Policy)
log.Debugf("Enqueueing Policy: %v", pol)
key := &rqKey{
namespace: pol.ObjectMeta.Namespace,
kind: CustomPolicy,
rscName: pol.ObjectMeta.Name,
rsc: obj,
event: event,
}
ctlr.resourceQueue.Add(key)
}
func (ctlr *Controller) enqueueDeletedPolicy(obj interface{}) {
pol := obj.(*cisapiv1.Policy)
log.Debugf("Enqueueing Policy: %v", pol)
key := &rqKey{
namespace: pol.ObjectMeta.Namespace,
kind: CustomPolicy,
rscName: pol.ObjectMeta.Name,
rsc: obj,
event: Delete,
}
ctlr.resourceQueue.Add(key)
}
func (ctlr *Controller) enqueueIngressLink(obj interface{}) {
ingLink := obj.(*cisapiv1.IngressLink)
log.Debugf("Enqueueing IngressLink: %v", ingLink)
key := &rqKey{
namespace: ingLink.ObjectMeta.Namespace,
kind: IngressLink,
rscName: ingLink.ObjectMeta.Name,