enable metrics server for scale tests

Author: upodroid

tests/e2e/scenarios/scalability/run-test.sh

@@ -108,6 +108,9 @@ create_args+=("--set spec.kubeAPIServer.maxMutatingRequestsInflight=0")
 create_args+=("--set spec.kubeAPIServer.enableProfiling=true")
 create_args+=("--set spec.kubeAPIServer.enableContentionProfiling=true")
 create_args+=("--set spec.kubeAPIServer.logLevel=2")
+create_args+=("--set cluster.spec.metricsServer.enabled=true")
+# use insecure mode to avoid installing cert-manager
+create_args+=("--set cluster.spec.metricsServer.insecure=true") 
 # increase the --delete-collection-workers to 100 to speed up delete operations
 create_args+=("--set spec.kubeAPIServer.deleteCollectionWorkers=100")
 
@@ -188,6 +191,7 @@ fi
 export PROMETHEUS_KUBE_PROXY_SELECTOR_KEY="k8s-app"
 export PROMETHEUS_SCRAPE_APISERVER_ONLY="true"
 export CL2_PROMETHEUS_TOLERATE_MASTER="true"
+export CL2_EXECSERVICE_TOLERATE_CONTROL_PLANE="true"
 export ETCD_PORT="4001" # we want cl2 to use this port for etcd instead of 2379
 if [[ "${CLOUD_PROVIDER}" == "aws" && "${SCALE_SCENARIO}" == "performance" ]]; then
   # CL2 uses KUBE_SSH_KEY_PATH path to ssh to instances for scraping metrics