patch: use hyperdisk-sc with ghproxy

Author: upodroid

kubernetes/gke-prow/prow/ghproxy.yaml

@@ -25,7 +25,7 @@ spec:
   resources:
     requests:
       storage: 100Gi
-  storageClassName: gce-ssd-retain
+  storageClassName: hyperdisk-balanced
 ---
 apiVersion: apps/v1
 kind: Deployment

kubernetes/gke-prow/prow/hyperdisk-sc.yaml

@@ -0,0 +1,11 @@
+apiVersion: storage.k8s.io/v1
+kind: StorageClass
+metadata:
+  name: hyperdisk-balanced
+provisioner: pd.csi.storage.gke.io
+volumeBindingMode: WaitForFirstConsumer
+allowVolumeExpansion: true
+parameters:
+  type: hyperdisk-balanced
+  provisioned-throughput-on-create: "250Mi"
+  provisioned-iops-on-create: "7000"

kubernetes/gke-prow/prow/kustomization.yaml

@@ -11,6 +11,7 @@ resources:
 - ghproxy.yaml
 - hook.yaml
 - horologium.yaml
+- hyperdisk-sc.yaml
 - gateway.yaml
 - needs-rebase.yaml
 - pipeline.yaml