kubernetes · marseel · Jan 12, 2024 · Jan 5, 2024
diff --git a/...loader2/pkg/measurement/common/network-policy/manifests/dep-test-client-pod-creation.yaml b/...loader2/pkg/measurement/common/network-policy/manifests/dep-test-client-pod-creation.yaml
@@ -21,9 +21,9 @@ spec:
       # Use separate nodes to avoid consuming CPU/Memory resources on default
       # nodes where all deployments of the performance test run.
       nodeSelector:
-        {{.TestClientNodeSelectorKey}}: {{.TestClientNodeSelectorValue}}
+        test-np: {{.TestClientNodeSelectorValue}}
       tolerations:
-      - key: {{.TestClientNodeSelectorKey}}
+      - key: test-np
         operator: Equal
         value: {{.TestClientNodeSelectorValue}}
         effect: NoSchedule

diff --git a/...der2/pkg/measurement/common/network-policy/manifests/dep-test-client-policy-creation.yaml b/...der2/pkg/measurement/common/network-policy/manifests/dep-test-client-policy-creation.yaml
@@ -21,9 +21,9 @@ spec:
       # Use separate nodes to avoid consuming CPU/Memory resources on default
       # nodes where all deployments of the performance test run.
       nodeSelector:
-        {{.TestClientNodeSelectorKey}}: {{.TestClientNodeSelectorValue}}
+        test-np: {{.TestClientNodeSelectorValue}}
       tolerations:
-      - key: {{.TestClientNodeSelectorKey}}
+      - key: test-np
         operator: Equal
         value: {{.TestClientNodeSelectorValue}}
         effect: NoSchedule

diff --git a/...der2/pkg/measurement/common/network-policy/manifests/policy-egress-allow-target-pods.yaml b/...der2/pkg/measurement/common/network-policy/manifests/policy-egress-allow-target-pods.yaml
@@ -15,7 +15,7 @@ spec:
   - to:
     - podSelector:
         matchLabels:
-          {{.TargetLabelKey}}: {{.TargetLabelValue}}
+          net-pol-test: {{.TargetLabelValue}}
 {{if .OnlyTargetNamespace}}
       namespaceSelector:
         matchLabels:

diff --git a/clusterloader2/pkg/measurement/common/network-policy/manifests/policy-load.yaml b/clusterloader2/pkg/measurement/common/network-policy/manifests/policy-load.yaml
@@ -8,7 +8,7 @@ metadata:
 spec:
   podSelector:
     matchLabels:
-      {{.PodSelectorLabelKey}}: {{.PodSelectorLabelValue}}
+      name: {{.PodSelectorLabelValue}}
   policyTypes:
   - Egress
   egress:

diff --git a/clusterloader2/pkg/measurement/common/network-policy/network-policy-enforcement-latency.go b/clusterloader2/pkg/measurement/common/network-policy/network-policy-enforcement-latency.go
@@ -45,7 +45,7 @@ Deploy the test clients (setup and run) with "testType" flag set to
 Deploy the test clients (setup and run) with "testType" flag set to
 "pod-creation", before creating the target pods.
 Target pods are all pods that have the specified label:
-{ targetLabelKey: targetLabelValue }.
+{ net-pol-test: targetLabelValue }.
 The test is set up by this measurement, by creating the required resources,
 including the network policy enforcement latency test client pods that are
 measuring the latencies and generating metrics for them.
@@ -98,9 +98,6 @@ type networkPolicyEnforcementMeasurement struct {
 	framework *framework.Framework
 	// testClientNamespace is the namespace of the test client pods.
 	testClientNamespace string
-	// targetLabelKey is the key for the label selector of target pods to apply
-	// network policies on and measure the latency to become reachable.
-	targetLabelKey string
 	// targetLabelValue is the value for the label selector of target pods to
 	// apply network policies on and measure the latency to become reachable.
 	targetLabelValue string
@@ -111,9 +108,6 @@ type networkPolicyEnforcementMeasurement struct {
 	// creation latency test, to compare pod creation reachability latency with
 	// and without network policies.
 	baseline bool
-	// testClientNodeSelectorKey is the key for the node label on which the test
-	// client pods should run.
-	testClientNodeSelectorKey string
 	// testClientNodeSelectorValue is value key for the node label on which the
 	// test client pods should run.
 	testClientNodeSelectorValue string
@@ -185,10 +179,6 @@ func (nps *networkPolicyEnforcementMeasurement) initializeMeasurement(config *me
 	}
 
 	var err error
-	if nps.targetLabelKey, err = util.GetString(config.Params, "targetLabelKey"); err != nil {
-		return err
-	}
-
 	if nps.targetLabelValue, err = util.GetString(config.Params, "targetLabelValue"); err != nil {
 		return err
 	}
@@ -201,10 +191,6 @@ func (nps *networkPolicyEnforcementMeasurement) initializeMeasurement(config *me
 		return err
 	}
 
-	if nps.testClientNodeSelectorKey, err = util.GetString(config.Params, "testClientNodeSelectorKey"); err != nil {
-		return err
-	}
-
 	if nps.testClientNodeSelectorValue, err = util.GetString(config.Params, "testClientNodeSelectorValue"); err != nil {
 		return err
 	}
@@ -283,12 +269,11 @@ func (nps *networkPolicyEnforcementMeasurement) run(config *measurement.Config)
 	templateMap := map[string]interface{}{
 		"Namespace":                   nps.testClientNamespace,
 		"TestClientLabel":             netPolicyTestClientName,
-		"TargetLabelSelector":         fmt.Sprintf("%s = %s", nps.targetLabelKey, nps.targetLabelValue),
+		"TargetLabelSelector":         fmt.Sprintf("net-pol-test = %s", nps.targetLabelValue),
 		"TargetPort":                  targetPort,
 		"MetricsPort":                 metricsPort,
 		"ServiceAccountName":          netPolicyTestClientName,
 		"MaxTargets":                  maxTargets,
-		"TestClientNodeSelectorKey":   nps.testClientNodeSelectorKey,
 		"TestClientNodeSelectorValue": nps.testClientNodeSelectorValue,
 	}
 
@@ -403,7 +388,6 @@ func (nps *networkPolicyEnforcementMeasurement) createPolicyToTargetPods(policyN
 	templateMap := map[string]interface{}{
 		"Name":           policyName,
 		"Namespace":      nps.testClientNamespace,
-		"TargetLabelKey": nps.targetLabelKey,
 		"TypeLabelValue": testType,
 	}
 
@@ -479,7 +463,6 @@ func (nps *networkPolicyEnforcementMeasurement) createLoadPolicies(config *measu
 			templateMapForTargetPods := map[string]interface{}{
 				"Name":                  fmt.Sprintf("%s-%d", podSelectorLabelValue, nsIdx),
 				"Namespace":             ns,
-				"PodSelectorLabelKey":   "name",
 				"PodSelectorLabelValue": podSelectorLabelValue,
 				"CIDR":                  baseCidr,
 			}

diff --git a/clusterloader2/testing/load/daemonset.yaml b/clusterloader2/testing/load/daemonset.yaml
@@ -5,7 +5,6 @@
 {{$RUN_ON_ARM_NODES := DefaultParam .CL2_RUN_ON_ARM_NODES false}}
 
 {{$ENABLE_NETWORK_POLICY_ENFORCEMENT_LATENCY_TEST := DefaultParam .CL2_ENABLE_NETWORK_POLICY_ENFORCEMENT_LATENCY_TEST false}}
-{{$NET_POLICY_ENFORCEMENT_LATENCY_NODE_LABEL_KEY := DefaultParam .CL2_NET_POLICY_ENFORCEMENT_LATENCY_NODE_LABEL_KEY "test"}}
 {{$NET_POLICY_ENFORCEMENT_LATENCY_NODE_LABEL_VALUE := DefaultParam .CL2_NET_POLICY_ENFORCEMENT_LATENCY_NODE_LABEL_VALUE "net-policy-client"}}
 
 apiVersion: apps/v1
@@ -42,15 +41,15 @@ spec:
             memory: "20M"
       priorityClassName: daemonset-priorityclass-0 # Name is autogenerated, hence the -0 prefix.
       terminationGracePeriodSeconds: 1
-      tolerations: 
+      tolerations:
       {{if $RUN_ON_ARM_NODES}}
       - key: "kubernetes.io/arch"
         operator: Equal
         value: arm64
         effect: NoSchedule
       {{end}}
       {{if $ENABLE_NETWORK_POLICY_ENFORCEMENT_LATENCY_TEST}}
-      - key: {{$NET_POLICY_ENFORCEMENT_LATENCY_NODE_LABEL_KEY}}
+      - key: test-np
         operator: Equal
         value: {{$NET_POLICY_ENFORCEMENT_LATENCY_NODE_LABEL_VALUE}}
         effect: NoSchedule

diff --git a/clusterloader2/testing/load/deployment.yaml b/clusterloader2/testing/load/deployment.yaml
@@ -9,7 +9,6 @@
 {{$RUN_ON_ARM_NODES := DefaultParam .CL2_RUN_ON_ARM_NODES false}}
 
 {{$EnableNetworkPolicyEnforcementLatencyTest := DefaultParam .EnableNetworkPolicyEnforcementLatencyTest false}}
-{{$TargetLabelKey := DefaultParam .TargetLabelKey "net-pol-test"}}
 {{$TargetLabelValue := DefaultParam .TargetLabelValue "enforcement-latency"}}
 # Run a server pod for network policy enforcement latency test only on every Nth pod.
 # Default every third pod.
@@ -38,7 +37,7 @@ spec:
         dns-test: dnsperfgo
 {{else}}
   {{if $RunNetPolicyTest}}
-        {{$TargetLabelKey}}: {{$TargetLabelValue}}
+        net-pol-test: {{$TargetLabelValue}}
   {{end}}
 {{end}}
     spec:

diff --git a/clusterloader2/testing/load/modules/network-policy/net-policy-enforcement-latency.yaml b/clusterloader2/testing/load/modules/network-policy/net-policy-enforcement-latency.yaml
@@ -1,7 +1,6 @@
 {{$NETWORK_POLICY_ENFORCEMENT_LATENCY_BASELINE := DefaultParam .CL2_NETWORK_POLICY_ENFORCEMENT_LATENCY_BASELINE false}}
 {{$NET_POLICY_ENFORCEMENT_LATENCY_TARGET_LABEL_KEY := DefaultParam .CL2_NET_POLICY_ENFORCEMENT_LATENCY_TARGET_LABEL_KEY "net-pol-test"}}
 {{$NET_POLICY_ENFORCEMENT_LATENCY_TARGET_LABEL_VALUE := DefaultParam .CL2_NET_POLICY_ENFORCEMENT_LATENCY_TARGET_LABEL_VALUE "enforcement-latency"}}
-{{$NET_POLICY_ENFORCEMENT_LATENCY_NODE_LABEL_KEY := DefaultParam .CL2_NET_POLICY_ENFORCEMENT_LATENCY_NODE_LABEL_KEY "test"}}
 {{$NET_POLICY_ENFORCEMENT_LATENCY_NODE_LABEL_VALUE := DefaultParam .CL2_NET_POLICY_ENFORCEMENT_LATENCY_NODE_LABEL_VALUE "net-policy-client"}}
 {{$NET_POLICY_ENFORCEMENT_LATENCY_MAX_TARGET_PODS_PER_NS := DefaultParam .CL2_NET_POLICY_ENFORCEMENT_LATENCY_MAX_TARGET_PODS_PER_NS 100}}
 {{$NET_POLICY_ENFORCEMENT_LOAD_COUNT := DefaultParam .CL2_NET_POLICY_ENFORCEMENT_LOAD_COUNT 1000}}
@@ -27,10 +26,9 @@ steps:
       targetLabelKey: {{$NET_POLICY_ENFORCEMENT_LATENCY_TARGET_LABEL_KEY}}
       targetLabelValue: {{$NET_POLICY_ENFORCEMENT_LATENCY_TARGET_LABEL_VALUE}}
       baseline: {{$NETWORK_POLICY_ENFORCEMENT_LATENCY_BASELINE}}
-      testClientNodeSelectorKey: {{$NET_POLICY_ENFORCEMENT_LATENCY_NODE_LABEL_KEY}}
       testClientNodeSelectorValue: {{$NET_POLICY_ENFORCEMENT_LATENCY_NODE_LABEL_VALUE}}
   {{end}}
-  
+
   {{if $run}}
 - name: "Run pod creation network policy enforcement latency measurement (testType={{$testType}})"
   measurements:
@@ -45,7 +43,7 @@ steps:
       policyLoadQPS: {{$NET_POLICY_ENFORCEMENT_LOAD_QPS}}
       policyLoadTargetBaseName: {{$NET_POLICY_ENFORCEMENT_LOAD_TARGET_NAME}}
   {{end}}
-  
+
   {{if $complete}}
 - name: "Complete pod creation network policy enforcement latency measurement (testType={{$testType}})"
   measurements: