check workload health

Signed-off-by: Arvind Thirumurugan <[email protected]>

Author: Arvind Thirumurugan

apis/placement/v1beta1/workloadtracker_types.go

@@ -0,0 +1,63 @@
+/*
+Copyright 2025 The KubeFleet Authors.
+
+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 v1beta1
+
+import (
+	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+)
+
+// WorkloadReference represents a workload to be tracked
+type WorkloadReference struct {
+	// Name is the name of the workload
+	// +required
+	Name string `json:"name"`
+
+	// Namespace is the namespace of the workload
+	// +required
+	Namespace string `json:"namespace"`
+}
+
+// +genclient
+// +genclient:nonNamespaced
+// +kubebuilder:object:root=true
+// +kubebuilder:resource:scope="Cluster",categories={fleet,fleet-placement}
+// +kubebuilder:storageversion
+// +k8s:deepcopy-gen:interfaces=k8s.io/apimachinery/pkg/runtime.Object
+
+// WorkloadTracker expresses user intent to track certain workloads
+type WorkloadTracker struct {
+	metav1.TypeMeta   `json:",inline"`
+	metav1.ObjectMeta `json:"metadata,omitempty"`
+
+	// Workloads is a list of workloads to track
+	// +optional
+	Workloads []WorkloadReference `json:"workloads,omitempty"`
+}
+
+// +kubebuilder:object:root=true
+// +k8s:deepcopy-gen:interfaces=k8s.io/apimachinery/pkg/runtime.Object
+
+// WorkloadTrackerList contains a list of WorkloadTracker
+type WorkloadTrackerList struct {
+	metav1.TypeMeta `json:",inline"`
+	metav1.ListMeta `json:"metadata,omitempty"`
+	Items           []WorkloadTracker `json:"items"`
+}
+
+func init() {
+	SchemeBuilder.Register(&WorkloadTracker{}, &WorkloadTrackerList{})
+}

apis/placement/v1beta1/zz_generated.deepcopy.go

@@ -0,0 +1 @@
+../../../../config/crd/bases/placement.kubernetes-fleet.io_metriccollectors.yaml

charts/hub-agent/templates/crds/placement.kubernetes-fleet.io_metriccollectors.yaml

@@ -0,0 +1 @@
+../../../../config/crd/bases/placement.kubernetes-fleet.io_workloadtrackers.yaml

charts/hub-agent/templates/crds/placement.kubernetes-fleet.io_workloadtrackers.yaml

@@ -0,0 +1,60 @@
+---
+apiVersion: apiextensions.k8s.io/v1
+kind: CustomResourceDefinition
+metadata:
+  annotations:
+    controller-gen.kubebuilder.io/version: v0.16.0
+  name: workloadtrackers.placement.kubernetes-fleet.io
+spec:
+  group: placement.kubernetes-fleet.io
+  names:
+    categories:
+    - fleet
+    - fleet-placement
+    kind: WorkloadTracker
+    listKind: WorkloadTrackerList
+    plural: workloadtrackers
+    singular: workloadtracker
+  scope: Cluster
+  versions:
+  - name: v1beta1
+    schema:
+      openAPIV3Schema:
+        description: WorkloadTracker expresses user intent to track certain workloads
+        properties:
+          apiVersion:
+            description: |-
+              APIVersion defines the versioned schema of this representation of an object.
+              Servers should convert recognized schemas to the latest internal value, and
+              may reject unrecognized values.
+              More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#resources
+            type: string
+          kind:
+            description: |-
+              Kind is a string value representing the REST resource this object represents.
+              Servers may infer this from the endpoint the client submits requests to.
+              Cannot be updated.
+              In CamelCase.
+              More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#types-kinds
+            type: string
+          metadata:
+            type: object
+          workloads:
+            description: Workloads is a list of workloads to track
+            items:
+              description: WorkloadReference represents a workload to be tracked
+              properties:
+                name:
+                  description: Name is the name of the workload
+                  type: string
+                namespace:
+                  description: Namespace is the namespace of the workload
+                  type: string
+              required:
+              - name
+              - namespace
+              type: object
+            type: array
+        type: object
+    served: true
+    storage: true

config/crd/bases/placement.kubernetes-fleet.io_workloadtrackers.yaml

@@ -1,13 +1,13 @@
 apiVersion: cluster.kubernetes-fleet.io/v1beta1
 kind: MemberCluster
 metadata:
-  name: kind-cluster-1
+  name: kind-cluster-3
   labels:
     environment: staging
-    kubernetes-fleet.io/cluster-name: kind-cluster-1
+    kubernetes-fleet.io/cluster-name: kind-cluster-3
 spec:
   identity:
-    name: fleet-member-agent-cluster-1
+    name: fleet-member-agent-cluster-3
     kind: ServiceAccount
     namespace: fleet-system
     apiGroup: ""