ci: cilium scale pipeline

hack/aks/Makefile

@@ -264,3 +264,6 @@ down: ## Delete the cluster
 
 restart-vmss: ## Restarts the nodes in the cluster
 	$(AZCLI) vmss restart -g MC_${GROUP}_${CLUSTER}_${REGION} --name $(VMSS_NAME)
+
+scale-vmss: ## Scales the nodes in the cluster
+	$(AZCLI) vmss scale -g MC_${GROUP}_${CLUSTER}_${REGION} --name $(VMSS_NAME) --new-capacity $(NODE_COUNT)

hack/manifests/apache.yaml

@@ -0,0 +1,18 @@
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+   name: apachebench
+spec:
+  selector:
+    matchLabels:
+      app: apachebench
+  template:
+    metadata:
+      labels:
+        app: apachebench
+    spec:
+      containers:
+      - name: ubuntu-tools
+        image: tamilmani1989/ubuntu18-tools
+        command: ["/bin/sleep", "3650d"]
+

hack/manifests/netperf-pod.yaml

@@ -0,0 +1,28 @@
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: container6
+  namespace: default
+spec:
+  selector:
+    matchLabels:
+      app: container6
+  replicas: 3
+  template: # create pods using pod definition in this template
+    metadata:
+      # unlike pod-nginx.yaml, the name is not included in the meta data as a unique name is
+      # generated from the deployment name
+      labels:
+        app: container6
+        netperf: "true"
+    spec:
+      nodeSelector:
+        netperf: "true"
+      containers:
+      - name: ubuntu
+        image: tamilmani1989/ubuntu18-tools
+        imagePullPolicy: Always
+        command: ["/bin/sh","-c"]
+        args: ["echo helloworld>hello.txt; php -S 0.0.0.0:9568"]
+        securityContext:
+          privileged: true

hack/scripts/netperf.sh

@@ -0,0 +1,55 @@
+#!/bin/bash
+# find the nodes with netperf pods and assign test vars
+node_found=0
+for node in $(kubectl get nodes -o name);
+do
+    if [ $node_found -lt 2 ]; then
+        echo "Current : $node"
+        node_name="${node##*/}"
+        echo "checking whether the node has any netperf pods deployed to it"
+        pod_count=$(kubectl get pods -l app=container6 -o wide | grep "$node_name" -c)
+        netperf_pod=$(kubectl get pods -l app=container6 -o wide | grep "$node_name" | awk '{print $1}')
+        echo "netperf pod : $netperf_pod"
+        echo "pod_count: $pod_count"
+
+        if [ $pod_count -gt 1 ]; then 
+            target_pod=$(echo $netperf_pod | cut -d" " -f 1)
+            target_pod_ip=$(kubectl get pod "$target_pod" -o jsonpath='{.status.podIP}')
+            same_vm_pod=$(echo $netperf_pod | cut -d" " -f 2)
+            kubectl exec -it $target_pod -- netserver
+            node_found=$((node_found + 1))
+            echo "Number of nodes found with netperf pod: $node_found"
+        else
+            diff_vm_pod=$netperf_pod
+            node_found=$((node_found + 1))
+            echo "Number of nodes found with netperf pod: $node_found"
+        fi
+    fi
+done
+
+echo "target netperf pod: $target_pod"
+echo "target netperf pod IP: $target_pod_ip"
+echo "same vm pod: $same_vm_pod"
+echo "different vm pod: $diff_vm_pod"
+
+#netperf on same vm pod
+iteration=10
+while [ $iteration -ge 0 ]
+do
+    echo "============ Iteration $iteration ===============" 
+    kubectl exec -it $same_vm_pod -- netperf -H $target_pod_ip -l 30 -t TCP_STREAM >> "test3_netperf/same_vm_iteration_$iteration.log"
+    echo "==============================="
+    sleep 5s
+    iteration=$((iteration-1))
+done
+
+#netperf on different vm pod
+iteration=10
+while [ $iteration -ge 0 ]
+do
+    echo "============ Iteration $iteration ===============" 
+    kubectl exec -it $diff_vm_pod -- netperf -H $target_pod_ip -l 30 -t TCP_STREAM >> "test3_netperf/diff_vm_iteration_$iteration.log"
+    echo "==============================="
+    sleep 5s
+    iteration=$((iteration-1))
+done

test/scale/label-nodes.sh

@@ -1,6 +1,7 @@
 #!/bin/sh
 cmd=$1
 retries=0
+node_count=0
 while [ $retries -lt 5 ]; do
     $cmd
     if [ $? -eq 0 ]; then
@@ -17,15 +18,21 @@ fi
 
 for node in $(kubectl get nodes -o name);
 do
+    node_count=$((node_count + 1))
+    echo $node_count
     echo "Current : $node"
     node_name="${node##*/}"
     echo "Apply label to the node"
     kubectl label node $node_name connectivity-test=true
     kubectl label node $node_name scale-test=true
+    if [ $node_count -lt 3 ]; then
+        kubectl label node $node_name netperf=true
+        echo "labeled node for netperf testing"
+    fi
     if [ $? -eq 0 ]; then
         echo "Label applied to the node"
     else
         echo "Error in applying label to the node $node_name"
     fi
-    sleep 2s
+    sleep 1s
 done