Port forward not working for otel deployment Pods.

[makas45]

Hej, We have used otel version opentelemetry-collector-contrib:0.72.0 and trying to use the port-forward for the svc we got the error .
apiVersion: apps/v1 kind: Deployment metadata: annotations: labels: app.kubernetes.io/instance: allen-otel-staging app.kubernetes.io/managed-by: Helm app.kubernetes.io/name: otel app.kubernetes.io/version: 0.72.0 helm.sh/chart: otel-0.49.3 name: allen-otel-staging namespace: zz-developer-portal spec: progressDeadlineSeconds: 600 replicas: 1 revisionHistoryLimit: 10 selector: matchLabels: app.kubernetes.io/instance: allen-otel-staging app.kubernetes.io/name: otel component: standalone-collector strategy: rollingUpdate: maxSurge: 25% maxUnavailable: 25% type: RollingUpdate template: metadata: annotations: checksum/config: 016bc9a4fc274e01843d11a15fb9778a8768eec01a3f269ab210a9760533bc32 kubectl.kubernetes.io/restartedAt: "2024-01-26T15:16:01Z" creationTimestamp: null labels: app.kubernetes.io/instance: allen-otel-staging app.kubernetes.io/name: otel component: standalone-collector spec: containers: - command: - /otelcol-contrib - --config=/conf/relay.yaml env: - name: MY_POD_IP valueFrom: fieldRef: apiVersion: v1 fieldPath: status.podIP image: otel/opentelemetry-collector-contrib:0.72.0 imagePullPolicy: IfNotPresent livenessProbe: failureThreshold: 3 httpGet: path: / port: 13133 scheme: HTTP periodSeconds: 10 successThreshold: 1 timeoutSeconds: 1 name: otel ports: - containerPort: 8888 name: metrics protocol: TCP - containerPort: 4317 name: otlp protocol: TCP - containerPort: 4318 name: otlp-http protocol: TCP readinessProbe: failureThreshold: 3 httpGet: path: / port: 13133 scheme: HTTP periodSeconds: 10 successThreshold: 1 timeoutSeconds: 1 resources: limits: cpu: 256m memory: 512Mi securityContext: {} terminationMessagePath: /dev/termination-log terminationMessagePolicy: File volumeMounts: - mountPath: /conf name: otel-configmap dnsPolicy: ClusterFirst imagePullSecrets: - name: image-pull-secret nodeSelector: apps: run restartPolicy: Always schedulerName: default-scheduler securityContext: {} serviceAccount: allen-otel-staging serviceAccountName: allen-otel-staging terminationGracePeriodSeconds: 30 volumes: - configMap: defaultMode: 420 items: - key: relay path: relay.yaml name: allen-otel-staging name: otel-configmap
SVC
`apiVersion: v1
kind: Service
metadata:
annotations:
labels:
app.kubernetes.io/instance: allen-otel-staging
app.kubernetes.io/managed-by: Helm
app.kubernetes.io/name: otel
app.kubernetes.io/version: 0.72.0
component: standalone-collector
helm.sh/chart: otel-0.49.3
name: allen-otel-staging
namespace: zz-developer-portal
spec:
clusterIP: 100.70.103.24
clusterIPs:

• 100.70.103.24
  internalTrafficPolicy: Cluster
  ipFamilies:
• IPv4
  ipFamilyPolicy: SingleStack
  ports:
• name: metrics
  port: 8888
  protocol: TCP
  targetPort: 8888
• appProtocol: grpc
  name: otlp
  port: 4317
  protocol: TCP
  targetPort: 4317
• name: otlp-http
  port: 4318
  protocol: TCP
  targetPort: 4318
  selector:
  app.kubernetes.io/instance: allen-otel-staging
  app.kubernetes.io/name: otel
  component: standalone-collector
  sessionAffinity: None
  type: ClusterIP
  `
  kubectl port-forward svc/allen-otel-staging 8082:4318
  Forwarding from 127.0.0.1:8082 -> 4318
  Forwarding from [::1]:8082 -> 4318
  Handling connection for 8082
  Handling connection for 8082
  E0201 16:21:05.134037 53755 portforward.go:409] an error occurred forwarding 8082 -> 4318: error forwarding port 4318 to pod c744e6c282945bff054014fc543b375c4f31d64bfab7ed5daaf6c8e616e07a52, uid : failed to execute portforward in network namespace "/var/run/netns/cni-149c6022-8bc3-e85f-96fd-5d69dfc6385e": failed to connect to localhost:4318 inside namespace "c744e6c282945bff054014fc543b375c4f31d64bfab7ed5daaf6c8e616e07a52", IPv4: dial tcp4 127.0.0.1:4318: connect: connection refused IPv6 dial tcp6 [::1]:4318: connect: cannot assign requested address
  error: lost connection to pod