fix: telemetry UUID

Author: cheina97

cmd/telemetry/main.go

@@ -54,7 +54,8 @@ func init() {
 }
 
 // cluster-role
-// +kubebuilder:rbac:groups=core,resources=configmaps;nodes;pods,verbs=get;list;watch
+// +kubebuilder:rbac:groups=core,resources=nodes;pods,verbs=get;list;watch
+// +kubebuilder:rbac:groups=core,resources=configmaps,verbs=get;list;watch;create;update
 // +kubebuilder:rbac:groups=core.liqo.io,resources=foreignclusters,verbs=get;list;watch
 // +kubebuilder:rbac:groups=offloading.liqo.io,resources=namespaceoffloadings,verbs=get;list;watch
 // +kubebuilder:rbac:groups=offloading.liqo.io,resources=virtualnodes,verbs=get;list;watch

deployments/liqo/files/liqo-telemetry-ClusterRole.yaml

@@ -3,6 +3,15 @@ rules:
   - ""
   resources:
   - configmaps
+  verbs:
+  - create
+  - get
+  - list
+  - update
+  - watch
+- apiGroups:
+  - ""
+  resources:
   - nodes
   - pods
   verbs:

pkg/consts/clusterid.go

@@ -17,12 +17,21 @@ package consts
 import "k8s.io/apimachinery/pkg/labels"
 
 const (
-	// ClusterIDLabelName is the name of the label key to use with Cluster ID.
+	// ClusterIDLabelName is the name of the label key to use with cluster-id.
 	ClusterIDLabelName = "clusterID"
 	// ClusterIDConfigMapKey is the key of the configmap where the cluster-id is stored.
 	ClusterIDConfigMapKey = "CLUSTER_ID"
 	// ClusterIDConfigMapNameLabelValue value of the name key of the configmap used to get it by label.
 	ClusterIDConfigMapNameLabelValue = "clusterid-configmap"
+
+	// ClusterIDTelemetryLabelName is the name of the label key to use with telemetry cluster-id.
+	ClusterIDTelemetryLabelName = "clusterIDTelemetry"
+	// ClusterIDTelemetryConfigMapKey is the key of the configmap where the telemetry cluster-id is stored.
+	ClusterIDTelemetryConfigMapKey = "CLUSTER_ID_TELEMETRY"
+	// ClusterIDTelemetryConfigMapNameLabelValue value of the name key of the configmap used to get it by label.
+	ClusterIDTelemetryConfigMapNameLabelValue = "clusterid-telemetry-configmap"
+	// ClusterIDTelemetryConfigMapName is the name of the configmap where the telemetry cluster-id is stored.
+	ClusterIDTelemetryConfigMapName = "telemetry-identity"
 )
 
 // ClusterIDConfigMapSelector returns the selector for the configmap where the cluster-id is stored.

pkg/telemetry/builder.go

@@ -16,9 +16,11 @@ package telemetry
 
 import (
 	"context"
+	"fmt"
 	"time"
 
 	corev1 "k8s.io/api/core/v1"
+	apierrors "k8s.io/apimachinery/pkg/api/errors"
 	"k8s.io/apimachinery/pkg/labels"
 	"k8s.io/apimachinery/pkg/util/runtime"
 	"k8s.io/klog/v2"
@@ -34,9 +36,17 @@ import (
 
 // ForgeTelemetryItem returns a Telemetry item with the current status of the cluster.
 func (c *Builder) ForgeTelemetryItem(ctx context.Context) (*Telemetry, error) {
-	clusterID, err := utils.GetClusterIDWithControllerClient(ctx, c.Client, c.Namespace)
+	clusterID, err := utils.GetClusterIDTelemetryWithControllerClient(ctx, c.Client, c.Namespace)
 	if err != nil {
-		return nil, err
+		switch {
+		case apierrors.IsNotFound(err):
+			klog.V(4).InfoS("ClusterID not found, creating a new one")
+			if err := createClusterIDTelemetryConfigMap(ctx, c.Client, c.Namespace); err != nil {
+				return nil, fmt.Errorf("failed to create configmap: %w", err)
+			}
+		default:
+			return nil, fmt.Errorf("failed to get clusterID: %w", err)
+		}
 	}
 
 	return &Telemetry{

pkg/telemetry/identity.go

@@ -0,0 +1,23 @@
+// Copyright 2019-2025 The Liqo 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 telemetry
+
+import (
+	"github.com/google/uuid"
+)
+
+func generateClusterIDTelemetry() string {
+	return uuid.New().String()
+}

pkg/telemetry/k8s.go

@@ -0,0 +1,46 @@
+// Copyright 2019-2025 The Liqo 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 telemetry
+
+import (
+	"context"
+	"fmt"
+
+	corev1 "k8s.io/api/core/v1"
+	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+	"sigs.k8s.io/controller-runtime/pkg/client"
+
+	"github.com/liqotech/liqo/pkg/consts"
+)
+
+func createClusterIDTelemetryConfigMap(ctx context.Context, cl client.Client, namespace string) error {
+	cm := &corev1.ConfigMap{
+		ObjectMeta: metav1.ObjectMeta{
+			Name:      consts.ClusterIDTelemetryConfigMapName,
+			Namespace: namespace,
+			Labels: map[string]string{
+				consts.K8sAppNameKey: consts.ClusterIDTelemetryConfigMapNameLabelValue,
+			},
+		},
+		Data: map[string]string{
+			consts.ClusterIDTelemetryConfigMapKey: generateClusterIDTelemetry(),
+		},
+	}
+
+	if err := cl.Create(ctx, cm); err != nil {
+		return fmt.Errorf("failed to create configmap: %w", err)
+	}
+	return nil
+}

pkg/utils/cluster_info.go

@@ -74,6 +74,24 @@ func GetClusterIDWithControllerClient(ctx context.Context, cl client.Client, nam
 	return clusterID, nil
 }
 
+// GetClusterIDTelemetryWithControllerClient returns telemetry cluster identity using a client.Client client.
+func GetClusterIDTelemetryWithControllerClient(ctx context.Context, cl client.Client, namespace string) (string, error) {
+	selector, err := metav1.LabelSelectorAsSelector(&liqolabels.ClusterIDTelemetryConfigMapLabelSelector)
+	if err != nil {
+		return "", err
+	}
+	cm, err := liqogetters.GetConfigMapByLabel(ctx, cl, namespace, selector)
+	if err != nil {
+		return "", err
+	}
+	clusterID, err := liqogetters.RetrieveClusterIDTelemetryFromConfigMap(cm)
+	if err != nil {
+		return "", err
+	}
+
+	return clusterID, nil
+}
+
 // GetClusterID returns the local clusterID.
 func GetClusterID(ctx context.Context, cl kubernetes.Interface, namespace string) (liqov1beta1.ClusterID, error) {
 	clusterID, err := GetClusterIDWithNativeClient(ctx, cl, namespace)

pkg/utils/getters/dataGetters.go

@@ -62,6 +62,17 @@ func RetrieveClusterIDFromConfigMap(cm *corev1.ConfigMap) (liqov1beta1.ClusterID
 	return liqov1beta1.ClusterID(id), nil
 }
 
+// RetrieveClusterIDTelemetryFromConfigMap retrieves telemetry ClusterID from a given configmap.
+func RetrieveClusterIDTelemetryFromConfigMap(cm *corev1.ConfigMap) (string, error) {
+	id, found := cm.Data[liqoconsts.ClusterIDTelemetryConfigMapKey]
+	if !found {
+		return "", fmt.Errorf("unable to get cluster ID telemetry: field {%s} not found in configmap {%s/%s}",
+			liqoconsts.ClusterIDTelemetryConfigMapKey, cm.Namespace, cm.Name)
+	}
+
+	return id, nil
+}
+
 // RetrieveEndpointFromService retrieves an ip address and port from a given service object
 // based on the service and port name.
 func RetrieveEndpointFromService(svc *corev1.Service, svcType corev1.ServiceType, portName string) (endpointIP, endpointPort string, err error) {

pkg/utils/labels/labelSelectors.go

@@ -39,6 +39,17 @@ var (
 		},
 	}
 
+	// ClusterIDTelemetryConfigMapLabelSelector selector used to get the cluster id telemetry configmap.
+	ClusterIDTelemetryConfigMapLabelSelector = metav1.LabelSelector{
+		MatchExpressions: []metav1.LabelSelectorRequirement{
+			{
+				Key:      liqoconst.K8sAppNameKey,
+				Operator: metav1.LabelSelectorOpIn,
+				Values:   []string{liqoconst.ClusterIDTelemetryConfigMapNameLabelValue},
+			},
+		},
+	}
+
 	// ProxyServiceLabelSelector selector used to get the gateway service.
 	ProxyServiceLabelSelector = metav1.LabelSelector{
 		MatchExpressions: []metav1.LabelSelectorRequirement{