Add prow template for running perf-tests load test

Author: Jont828

templates/test/ci/prow-load/kustomization.yaml

@@ -0,0 +1,22 @@
+apiVersion: kustomize.config.k8s.io/v1beta1
+kind: Kustomization
+namespace: default
+resources:
+- ../prow
+- storageclass-resource-set.yaml
+patches:
+- path: patches/cluster-label-storageclass.yaml
+- path: patches/kcp-scheduler.yaml
+configMapGenerator:
+- files:
+  - storageclass=../../../addons/storageclass-azure-disk.yaml
+  name: storageclass-${CLUSTER_NAME}
+generatorOptions:
+  annotations:
+    note: generated
+  disableNameSuffixHash: true
+  labels:
+    type: generated
+
+sortOptions:
+  order: fifo

templates/test/ci/prow-load/patches/cluster-label-storageclass.yaml

@@ -0,0 +1,7 @@
+---
+apiVersion: cluster.x-k8s.io/v1beta1
+kind: Cluster
+metadata:
+  name: ${CLUSTER_NAME}
+  labels:
+    storageclass: "true"

templates/test/ci/prow-load/patches/kcp-scheduler.yaml

@@ -0,0 +1,13 @@
+---
+kind: KubeadmControlPlane
+apiVersion: controlplane.cluster.x-k8s.io/v1beta1
+metadata:
+  name: "${CLUSTER_NAME}-control-plane"
+spec:
+  kubeadmConfigSpec:
+    clusterConfiguration:
+      scheduler:
+        extraArgs:
+          authorization-always-allow-paths: /healthz,/readyz,/livez,/metrics
+          bind-address: 0.0.0.0
+          v: "2"

templates/test/ci/prow-load/storageclass-resource-set.yaml

@@ -0,0 +1,14 @@
+---
+apiVersion: addons.cluster.x-k8s.io/v1beta1
+kind: ClusterResourceSet
+metadata:
+  name: ${CLUSTER_NAME}-storageclass
+  namespace: default
+spec:
+  clusterSelector:
+    matchLabels:
+      storageclass: "true"
+  resources:
+  - kind: ConfigMap
+    name: cni-${CLUSTER_NAME}-storageclass
+  strategy: ApplyOnce