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Build all hub controller as a single controller
Signed-off-by: Jian Qiu <[email protected]>
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,215 @@ | ||
| package hub | ||
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| import ( | ||
| "context" | ||
| "time" | ||
|
|
||
| "github.com/openshift/library-go/pkg/controller/controllercmd" | ||
| "github.com/spf13/pflag" | ||
| metav1 "k8s.io/apimachinery/pkg/apis/meta/v1" | ||
| "k8s.io/client-go/dynamic" | ||
| "k8s.io/client-go/dynamic/dynamicinformer" | ||
| kubeinformers "k8s.io/client-go/informers" | ||
| "k8s.io/client-go/kubernetes" | ||
| "k8s.io/client-go/metadata" | ||
| "k8s.io/client-go/tools/clientcmd" | ||
| "k8s.io/klog/v2" | ||
| cpclientset "sigs.k8s.io/cluster-inventory-api/client/clientset/versioned" | ||
| cpinformerv1alpha1 "sigs.k8s.io/cluster-inventory-api/client/informers/externalversions" | ||
|
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| addonv1alpha1 "open-cluster-management.io/api/addon/v1alpha1" | ||
| addonclient "open-cluster-management.io/api/client/addon/clientset/versioned" | ||
| addoninformers "open-cluster-management.io/api/client/addon/informers/externalversions" | ||
| clusterv1client "open-cluster-management.io/api/client/cluster/clientset/versioned" | ||
| clusterv1informers "open-cluster-management.io/api/client/cluster/informers/externalversions" | ||
| workclientset "open-cluster-management.io/api/client/work/clientset/versioned" | ||
| workinformers "open-cluster-management.io/api/client/work/informers/externalversions" | ||
| clusterv1 "open-cluster-management.io/api/cluster/v1" | ||
| ocmfeature "open-cluster-management.io/api/feature" | ||
| "open-cluster-management.io/sdk-go/pkg/cloudevents/generic" | ||
| "open-cluster-management.io/sdk-go/pkg/cloudevents/work" | ||
| "open-cluster-management.io/sdk-go/pkg/cloudevents/work/source/codec" | ||
| "open-cluster-management.io/sdk-go/pkg/cloudevents/work/store" | ||
|
|
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| "open-cluster-management.io/ocm/pkg/addon" | ||
| "open-cluster-management.io/ocm/pkg/features" | ||
| placementcontrollers "open-cluster-management.io/ocm/pkg/placement/controllers" | ||
| registrationhub "open-cluster-management.io/ocm/pkg/registration/hub" | ||
| workhub "open-cluster-management.io/ocm/pkg/work/hub" | ||
| ) | ||
|
|
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| const sourceID = "ocm-controller" | ||
|
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| type Option struct { | ||
| RegistrationOption *registrationhub.HubManagerOptions | ||
| WorkOption *workhub.WorkHubManagerOptions | ||
| } | ||
|
|
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| func NewOption() *Option { | ||
| return &Option{ | ||
| RegistrationOption: registrationhub.NewHubManagerOptions(), | ||
| WorkOption: workhub.NewWorkHubManagerOptions(), | ||
| } | ||
| } | ||
|
|
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| func (o *Option) AddFlags(fs *pflag.FlagSet) { | ||
| o.RegistrationOption.AddFlags(fs) | ||
| o.WorkOption.AddFlags(fs) | ||
| } | ||
|
|
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| func (o *Option) RunControllerManager(ctx context.Context, controllerContext *controllercmd.ControllerContext) error { | ||
| kubeClient, err := kubernetes.NewForConfig(controllerContext.KubeConfig) | ||
| if err != nil { | ||
| return err | ||
| } | ||
|
|
||
| metadataClient, err := metadata.NewForConfig(controllerContext.KubeConfig) | ||
| if err != nil { | ||
| return err | ||
| } | ||
|
|
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| clusterClient, err := clusterv1client.NewForConfig(controllerContext.KubeConfig) | ||
| if err != nil { | ||
| return err | ||
| } | ||
|
|
||
| clusterProfileClient, err := cpclientset.NewForConfig(controllerContext.KubeConfig) | ||
| if err != nil { | ||
| return err | ||
| } | ||
|
|
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| addOnClient, err := addonclient.NewForConfig(controllerContext.KubeConfig) | ||
| if err != nil { | ||
| return err | ||
| } | ||
|
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| clusterInformers := clusterv1informers.NewSharedInformerFactory(clusterClient, 30*time.Minute) | ||
| clusterProfileInformers := cpinformerv1alpha1.NewSharedInformerFactory(clusterProfileClient, 30*time.Minute) | ||
| kubeInfomers := kubeinformers.NewSharedInformerFactoryWithOptions(kubeClient, 30*time.Minute, kubeinformers.WithTweakListOptions( | ||
| func(listOptions *metav1.ListOptions) { | ||
| // Note all kube resources managed by registration should have the cluster label, and should not have | ||
| // the addon label. | ||
| selector := &metav1.LabelSelector{ | ||
| MatchExpressions: []metav1.LabelSelectorRequirement{ | ||
| { | ||
| Key: clusterv1.ClusterNameLabelKey, | ||
| Operator: metav1.LabelSelectorOpExists, | ||
| }, | ||
| { | ||
| Key: addonv1alpha1.AddonLabelKey, | ||
| Operator: metav1.LabelSelectorOpDoesNotExist, | ||
| }, | ||
| }, | ||
| } | ||
| listOptions.LabelSelector = metav1.FormatLabelSelector(selector) | ||
| })) | ||
| addOnInformers := addoninformers.NewSharedInformerFactory(addOnClient, 30*time.Minute) | ||
|
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||
| var workClient workclientset.Interface | ||
| var watcherStore *store.SourceInformerWatcherStore | ||
|
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| if o.WorkOption.WorkDriver == "kube" { | ||
| config := controllerContext.KubeConfig | ||
| if o.WorkOption.WorkDriverConfig != "" { | ||
| config, err = clientcmd.BuildConfigFromFlags("", o.WorkOption.WorkDriverConfig) | ||
| if err != nil { | ||
| return err | ||
| } | ||
| } | ||
|
|
||
| workClient, err = workclientset.NewForConfig(config) | ||
| if err != nil { | ||
| return err | ||
| } | ||
| } else { | ||
| // For cloudevents drivers, we build ManifestWork client that implements the | ||
| // ManifestWorkInterface and ManifestWork informer based on different driver configuration. | ||
| // Refer to Event Based Manifestwork proposal in enhancements repo to get more details. | ||
|
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| watcherStore = store.NewSourceInformerWatcherStore(ctx) | ||
|
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| _, config, err := generic.NewConfigLoader(o.WorkOption.WorkDriver, o.WorkOption.WorkDriverConfig). | ||
| LoadConfig() | ||
| if err != nil { | ||
| return err | ||
| } | ||
|
|
||
| clientHolder, err := work.NewClientHolderBuilder(config). | ||
| WithClientID(o.WorkOption.CloudEventsClientID). | ||
| WithSourceID(sourceID). | ||
| WithCodecs(codec.NewManifestBundleCodec()). | ||
| WithWorkClientWatcherStore(watcherStore). | ||
| NewSourceClientHolder(ctx) | ||
| if err != nil { | ||
| return err | ||
| } | ||
|
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| workClient = clientHolder.WorkInterface() | ||
| } | ||
|
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| workInformers := workinformers.NewSharedInformerFactoryWithOptions(workClient, 30*time.Minute) | ||
| informer := workInformers.Work().V1().ManifestWorks() | ||
|
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| // For cloudevents work client, we use the informer store as the client store | ||
| if watcherStore != nil { | ||
| watcherStore.SetStore(informer.Informer().GetStore()) | ||
| } | ||
|
|
||
| // start registration component | ||
| go func() { | ||
| err := o.RegistrationOption.RunControllerManagerWithInformers( | ||
| ctx, controllerContext, | ||
| kubeClient, metadataClient, clusterClient, clusterProfileClient, addOnClient, | ||
| kubeInfomers, clusterInformers, clusterProfileInformers, workInformers, addOnInformers, | ||
| ) | ||
| if err != nil { | ||
| klog.Fatal(err) | ||
| } | ||
| }() | ||
|
|
||
| // start placement component | ||
| go func() { | ||
| err := placementcontrollers.RunControllerManagerWithInformers( | ||
| ctx, controllerContext, kubeClient, clusterClient, clusterInformers) | ||
| if err != nil { | ||
| klog.Fatal(err) | ||
| } | ||
| }() | ||
|
|
||
| // start work component | ||
| if features.HubMutableFeatureGate.Enabled(ocmfeature.ManifestWorkReplicaSet) { | ||
| // build a hub work client for ManifestWorkReplicaSets | ||
| replicaSetsClient, err := workclientset.NewForConfig(controllerContext.KubeConfig) | ||
| if err != nil { | ||
| return err | ||
| } | ||
| go func() { | ||
| err := workhub.RunControllerManagerWithInformers( | ||
| ctx, controllerContext, replicaSetsClient, workClient, informer, clusterInformers) | ||
| if err != nil { | ||
| klog.Fatal(err) | ||
| } | ||
| }() | ||
| } | ||
|
|
||
| // start addon component | ||
| if features.HubMutableFeatureGate.Enabled(ocmfeature.AddonManagement) { | ||
| dynamicClient, err := dynamic.NewForConfig(controllerContext.KubeConfig) | ||
| if err != nil { | ||
| return err | ||
| } | ||
| dynamicInformers := dynamicinformer.NewDynamicSharedInformerFactory(dynamicClient, 10*time.Minute) | ||
| go func() { | ||
| err := addon.RunControllerManagerWithInformers( | ||
| ctx, controllerContext, kubeClient, addOnClient, workClient, | ||
| clusterInformers, addOnInformers, workInformers, dynamicInformers, | ||
| ) | ||
| if err != nil { | ||
| klog.Fatal(err) | ||
| } | ||
| }() | ||
| } | ||
|
|
||
| <-ctx.Done() | ||
| return nil | ||
| } |