feat: emit the cluster profile objects (#941)

Makefile

@@ -165,6 +165,7 @@ install-hub-agent-helm:
     --set webhookClientConnectionType=service \
     --set enableV1Alpha1APIs=true \
     --set enableV1Beta1APIs=false \
+    --set enableClusterInventoryAPI=true \
     --set logFileMaxSize=1000000
 
 .PHONY: e2e-v1alpha1-hub-kubeconfig-secret

charts/hub-agent/templates/crds/multicluster.x-k8s.io_clusterprofiles.yaml

@@ -0,0 +1 @@
+../../../../config/crd/bases/multicluster.x-k8s.io_clusterprofiles.yaml

charts/hub-agent/templates/deployment.yaml

@@ -30,13 +30,15 @@ spec:
             - -add_dir_header
             - --enable-v1alpha1-apis={{ .Values.enableV1Alpha1APIs }}
             - --enable-v1beta1-apis={{ .Values.enableV1Beta1APIs }}
+            - --enable-cluster-inventory-apis={{ .Values.enableClusterInventoryAPI }}
             - --max-concurrent-cluster-placement={{ .Values.MaxConcurrentClusterPlacement }}
             - --concurrent-resource-change-syncs={{ .Values.ConcurrentResourceChangeSyncs }}
             - --log_file_max_size={{ .Values.logFileMaxSize }}
             - --max-fleet-size={{ .Values.MaxFleetSizeSupported }}
             - --hub-api-qps={{ .Values.hubAPIQPS }}
             - --hub-api-burst={{ .Values.hubAPIBurst }}
             - --force-delete-wait-time={{ .Values.forceDeleteWaitTime }}
+            - --cluster-unhealthy-threshold={{ .Values.clusterUnhealthyThreshold }}
           ports:
             - name: metrics
               containerPort: 8080

charts/hub-agent/values.yaml

@@ -17,7 +17,7 @@ webhookServiceName: fleetwebhook
 enableGuardRail: true
 webhookClientConnectionType: service
 forceDeleteWaitTime: 15m0s
-
+clusterUnhealthyThreshold: 3m0s
 namespace:
   fleet-system
 
@@ -35,10 +35,11 @@ affinity: {}
 
 enableV1Alpha1APIs: false
 enableV1Beta1APIs: true
+enableClusterInventoryAPI: true
 
 hubAPIQPS: 250
 hubAPIBurst: 1000
 MaxConcurrentClusterPlacement: 100
 ConcurrentResourceChangeSyncs: 20
-logFileMaxSize: 1000000
+logFileMaxSize: 10000000
 MaxFleetSizeSupported: 100

cmd/hubagent/main.go

@@ -17,6 +17,7 @@ import (
 	utilruntime "k8s.io/apimachinery/pkg/util/runtime"
 	clientgoscheme "k8s.io/client-go/kubernetes/scheme"
 	"k8s.io/klog/v2"
+	clusterinventory "sigs.k8s.io/cluster-inventory-api/apis/v1alpha1"
 	ctrl "sigs.k8s.io/controller-runtime"
 	"sigs.k8s.io/controller-runtime/pkg/cache"
 	"sigs.k8s.io/controller-runtime/pkg/healthz"
@@ -67,6 +68,7 @@ func init() {
 	utilruntime.Must(apiextensionsv1.AddToScheme(scheme))
 	utilruntime.Must(fleetnetworkingv1alpha1.AddToScheme(scheme))
 	utilruntime.Must(placementv1alpha1.AddToScheme(scheme))
+	utilruntime.Must(clusterinventory.AddToScheme(scheme))
 	// +kubebuilder:scaffold:scheme
 	klog.InitFlags(nil)
 

cmd/hubagent/options/options.go

@@ -79,6 +79,8 @@ type Options struct {
 	EnableV1Alpha1APIs bool
 	// EnableV1Beta1APIs enables the agents to watch the v1beta1 CRs.
 	EnableV1Beta1APIs bool
+	// EnableClusterInventoryAPIs enables the agents to watch the cluster inventory CRs.
+	EnableClusterInventoryAPIs bool
 	// ForceDeleteWaitTime is the duration the hub agent waits before force deleting a member cluster.
 	ForceDeleteWaitTime metav1.Duration
 }
@@ -96,6 +98,7 @@ func NewOptions() *Options {
 		ConcurrentResourceChangeSyncs: 1,
 		MaxFleetSizeSupported:         100,
 		EnableV1Alpha1APIs:            false,
+		EnableClusterInventoryAPIs:    false,
 	}
 }
 
@@ -135,6 +138,7 @@ func (o *Options) AddFlags(flags *flag.FlagSet) {
 	flags.IntVar(&o.MaxFleetSizeSupported, "max-fleet-size", 100, "The max number of member clusters supported in this fleet")
 	flags.BoolVar(&o.EnableV1Alpha1APIs, "enable-v1alpha1-apis", false, "If set, the agents will watch for the v1alpha1 APIs.")
 	flags.BoolVar(&o.EnableV1Beta1APIs, "enable-v1beta1-apis", true, "If set, the agents will watch for the v1beta1 APIs.")
+	flags.BoolVar(&o.EnableClusterInventoryAPIs, "enable-cluster-inventory-apis", false, "If set, the agents will watch for the ClusterInventory APIs.")
 	flags.DurationVar(&o.ForceDeleteWaitTime.Duration, "force-delete-wait-time", 15*time.Minute, "The duration the hub agent waits before force deleting a member cluster.")
 
 	o.RateLimiterOpts.AddFlags(flags)

cmd/hubagent/options/validation_test.go

@@ -22,7 +22,7 @@ func newTestOptions(modifyOptions ModifyOptions) Options {
 	option := Options{
 		SkippedPropagatingAPIs:      "fleet.azure.com;multicluster.x-k8s.io",
 		WorkPendingGracePeriod:      metav1.Duration{Duration: 10 * time.Second},
-		ClusterUnhealthyThreshold:   metav1.Duration{Duration: 1 * time.Second},
+		ClusterUnhealthyThreshold:   metav1.Duration{Duration: 60 * time.Second},
 		WebhookClientConnectionType: "url",
 		EnableV1Alpha1APIs:          true,
 	}

cmd/hubagent/workload/setup.go

@@ -16,6 +16,7 @@ import (
 	"k8s.io/client-go/dynamic"
 	"k8s.io/client-go/rest"
 	"k8s.io/klog/v2"
+	clusterinventory "sigs.k8s.io/cluster-inventory-api/apis/v1alpha1"
 	ctrl "sigs.k8s.io/controller-runtime"
 	workv1alpha1 "sigs.k8s.io/work-api/pkg/apis/v1alpha1"
 
@@ -24,6 +25,7 @@ import (
 	placementv1beta1 "go.goms.io/fleet/apis/placement/v1beta1"
 	fleetv1alpha1 "go.goms.io/fleet/apis/v1alpha1"
 	"go.goms.io/fleet/cmd/hubagent/options"
+	"go.goms.io/fleet/pkg/controllers/clusterinventory/clusterprofile"
 	"go.goms.io/fleet/pkg/controllers/clusterresourcebindingwatcher"
 	"go.goms.io/fleet/pkg/controllers/clusterresourceplacement"
 	"go.goms.io/fleet/pkg/controllers/clusterresourceplacementwatcher"
@@ -81,6 +83,10 @@ var (
 		placementv1alpha1.GroupVersion.WithKind(placementv1alpha1.ResourceOverrideKind),
 		placementv1alpha1.GroupVersion.WithKind(placementv1alpha1.ResourceOverrideSnapshotKind),
 	}
+
+	clusterInventoryGVKs = []schema.GroupVersionKind{
+		clusterinventory.GroupVersion.WithKind("ClusterProfile"),
+	}
 )
 
 // SetupControllers set up the customized controllers we developed
@@ -92,33 +98,14 @@ func SetupControllers(ctx context.Context, wg *sync.WaitGroup, mgr ctrl.Manager,
 	}
 
 	discoverClient := discovery.NewDiscoveryClientForConfigOrDie(config)
-	// Verify CRD installation status.
-	if opts.EnableV1Alpha1APIs {
-		for _, gvk := range v1Alpha1RequiredGVKs {
-			if err = utils.CheckCRDInstalled(discoverClient, gvk); err != nil {
-				klog.ErrorS(err, "unable to find the required CRD", "GVK", gvk)
-				return err
-			}
-		}
-	}
-
-	if opts.EnableV1Beta1APIs {
-		for _, gvk := range v1Beta1RequiredGVKs {
-			if err = utils.CheckCRDInstalled(discoverClient, gvk); err != nil {
-				klog.ErrorS(err, "unable to find the required CRD", "GVK", gvk)
-				return err
-			}
-		}
-	}
-
 	// AllowedPropagatingAPIs and SkippedPropagatingAPIs are mutually exclusive.
 	// If none of them are set, the resourceConfig by default stores a list of skipped propagation APIs.
 	resourceConfig := utils.NewResourceConfig(opts.AllowedPropagatingAPIs != "")
-	if err := resourceConfig.Parse(opts.AllowedPropagatingAPIs); err != nil {
+	if err = resourceConfig.Parse(opts.AllowedPropagatingAPIs); err != nil {
 		// The program will never go here because the parameters have been checked.
 		return err
 	}
-	if err := resourceConfig.Parse(opts.SkippedPropagatingAPIs); err != nil {
+	if err = resourceConfig.Parse(opts.SkippedPropagatingAPIs); err != nil {
 		// The program will never go here because the parameters have been checked
 		return err
 	}
@@ -154,32 +141,16 @@ func SetupControllers(ctx context.Context, wg *sync.WaitGroup, mgr ctrl.Manager,
 	rateLimiter := options.DefaultControllerRateLimiter(opts.RateLimiterOpts)
 	var clusterResourcePlacementControllerV1Alpha1 controller.Controller
 	var clusterResourcePlacementControllerV1Beta1 controller.Controller
-
+	var memberClusterPlacementController controller.Controller
 	if opts.EnableV1Alpha1APIs {
+		for _, gvk := range v1Alpha1RequiredGVKs {
+			if err = utils.CheckCRDInstalled(discoverClient, gvk); err != nil {
+				klog.ErrorS(err, "unable to find the required CRD", "GVK", gvk)
+				return err
+			}
+		}
 		klog.Info("Setting up clusterResourcePlacement v1alpha1 controller")
 		clusterResourcePlacementControllerV1Alpha1 = controller.NewController(crpControllerV1Alpha1Name, controller.NamespaceKeyFunc, crpc.ReconcileV1Alpha1, rateLimiter)
-	}
-
-	if opts.EnableV1Beta1APIs {
-		klog.Info("Setting up clusterResourcePlacement v1beta1 controller")
-		clusterResourcePlacementControllerV1Beta1 = controller.NewController(crpControllerV1Beta1Name, controller.NamespaceKeyFunc, crpc.Reconcile, rateLimiter)
-	}
-
-	// Set up  a new controller to reconcile any resources in the cluster
-	klog.Info("Setting up resource change controller")
-	rcr := &resourcechange.Reconciler{
-		DynamicClient:               dynamicClient,
-		Recorder:                    mgr.GetEventRecorderFor(resourceChangeControllerName),
-		RestMapper:                  mgr.GetRESTMapper(),
-		InformerManager:             dynamicInformerManager,
-		PlacementControllerV1Alpha1: clusterResourcePlacementControllerV1Alpha1,
-		PlacementControllerV1Beta1:  clusterResourcePlacementControllerV1Beta1,
-	}
-
-	resourceChangeController := controller.NewController(resourceChangeControllerName, controller.ClusterWideKeyFunc, rcr.Reconcile, rateLimiter)
-
-	var memberClusterPlacementController controller.Controller
-	if opts.EnableV1Alpha1APIs {
 		klog.Info("Setting up member cluster change controller")
 		mcp := &memberclusterplacement.Reconciler{
 			InformerManager:     dynamicInformerManager,
@@ -189,6 +160,14 @@ func SetupControllers(ctx context.Context, wg *sync.WaitGroup, mgr ctrl.Manager,
 	}
 
 	if opts.EnableV1Beta1APIs {
+		for _, gvk := range v1Beta1RequiredGVKs {
+			if err = utils.CheckCRDInstalled(discoverClient, gvk); err != nil {
+				klog.ErrorS(err, "unable to find the required CRD", "GVK", gvk)
+				return err
+			}
+		}
+		klog.Info("Setting up clusterResourcePlacement v1beta1 controller")
+		clusterResourcePlacementControllerV1Beta1 = controller.NewController(crpControllerV1Beta1Name, controller.NamespaceKeyFunc, crpc.Reconcile, rateLimiter)
 		klog.Info("Setting up clusterResourcePlacement watcher")
 		if err := (&clusterresourceplacementwatcher.Reconciler{
 			PlacementController: clusterResourcePlacementControllerV1Beta1,
@@ -318,7 +297,38 @@ func SetupControllers(ctx context.Context, wg *sync.WaitGroup, mgr ctrl.Manager,
 			klog.ErrorS(err, "Unable to set up resourceOverride controller")
 			return err
 		}
+
+		// Verify cluster inventory CRD installation status.
+		if opts.EnableClusterInventoryAPIs {
+			for _, gvk := range clusterInventoryGVKs {
+				if err = utils.CheckCRDInstalled(discoverClient, gvk); err != nil {
+					klog.ErrorS(err, "unable to find the required CRD", "GVK", gvk)
+					return err
+				}
+			}
+			klog.Info("Setting up cluster profile controller")
+			if err = (&clusterprofile.Reconciler{
+				Client:                    mgr.GetClient(),
+				ClusterProfileNamespace:   utils.FleetSystemNamespace,
+				ClusterUnhealthyThreshold: opts.ClusterUnhealthyThreshold.Duration,
+			}).SetupWithManager(mgr); err != nil {
+				klog.ErrorS(err, "unable to set up ClusterProfile controller")
+				return err
+			}
+		}
+	}
+
+	// Set up  a new controller to reconcile any resources in the cluster
+	klog.Info("Setting up resource change controller")
+	rcr := &resourcechange.Reconciler{
+		DynamicClient:               dynamicClient,
+		Recorder:                    mgr.GetEventRecorderFor(resourceChangeControllerName),
+		RestMapper:                  mgr.GetRESTMapper(),
+		InformerManager:             dynamicInformerManager,
+		PlacementControllerV1Alpha1: clusterResourcePlacementControllerV1Alpha1,
+		PlacementControllerV1Beta1:  clusterResourcePlacementControllerV1Beta1,
 	}
+	resourceChangeController := controller.NewController(resourceChangeControllerName, controller.ClusterWideKeyFunc, rcr.Reconcile, rateLimiter)
 
 	// Set up a runner that starts all the custom controllers we created above
 	resourceChangeDetector := &resourcewatcher.ChangeDetector{