Fixed iperf3

k8s/apps/iperf3/daemonset.yaml

@@ -11,23 +11,61 @@ spec:
       labels:
         app: iperf3-server
     spec:
+      serviceAccountName: iperf3-server
       subdomain: iperf3
       initContainers:
-      - name: set-hostname
-        image: busybox:1.35
-        command: ['sh', '-c']
-        args:
-          - |
-            NODE_NAME=$(echo $NODE_NAME | cut -d'.' -f1 | tr '[:upper:]' '[:lower:]')
-            echo "iperf3-${NODE_NAME}" > /etc/hostname
-            hostname "iperf3-${NODE_NAME}"
-        securityContext:
-          privileged: true
+      - name: create-service
+        image: bitnami/kubectl:latest
         env:
         - name: NODE_NAME
           valueFrom:
             fieldRef:
               fieldPath: spec.nodeName
+        - name: POD_IP
+          valueFrom:
+            fieldRef:
+              fieldPath: status.podIP
+        command:
+          - /bin/bash
+          - -c
+          - |
+            # Clean node name for service name
+            NODE_CLEAN=$(echo "$NODE_NAME" | cut -d'.' -f1 | tr '[:upper:]' '[:lower:]' | tr '_' '-')
+            SERVICE_NAME="iperf3-${NODE_CLEAN}"
+            
+            # Create service for this pod
+            kubectl apply -f - <<EOF
+            apiVersion: v1
+            kind: Service
+            metadata:
+              name: ${SERVICE_NAME}
+              namespace: iperf3
+              labels:
+                app: iperf3-node-service
+                target-node: "${NODE_NAME}"
+            spec:
+              type: ClusterIP
+              ports:
+                - name: iperf3
+                  port: 5201
+                  protocol: TCP
+            ---
+            apiVersion: v1
+            kind: Endpoints
+            metadata:
+              name: ${SERVICE_NAME}
+              namespace: iperf3
+              labels:
+                app: iperf3-node-service
+                target-node: "${NODE_NAME}"
+            subsets:
+              - addresses:
+                  - ip: ${POD_IP}
+                ports:
+                  - name: iperf3
+                    port: 5201
+                    protocol: TCP
+            EOF
       containers:
       - name: iperf3-server
         image: networkstatic/iperf3:latest
@@ -40,8 +78,6 @@ spec:
           valueFrom:
             fieldRef:
               fieldPath: spec.nodeName
-        - name: HOSTNAME
-          value: $(NODE_NAME)
         resources:
           requests:
             memory: "64Mi"