From 083ed81b5711a2fe38189a25b234b23e09e4f85c Mon Sep 17 00:00:00 2001
From: Matthias Wessendorf <mwessend@redhat.com>
Date: Tue, 26 Jan 2021 14:26:54 +0100
Subject: [PATCH 1/2] Adding HPA for eventing-webhook: - Scale Webhook based on
 CPU - Add initial PodDisruptionBudget

---
 config/core/deployments/webhook-hpa.yaml | 49 ++++++++++++++++++++++++
 config/hpa-webhook.yaml                  |  1 +
 2 files changed, 50 insertions(+)
 create mode 100644 config/core/deployments/webhook-hpa.yaml
 create mode 120000 config/hpa-webhook.yaml

diff --git a/config/core/deployments/webhook-hpa.yaml b/config/core/deployments/webhook-hpa.yaml
new file mode 100644
index 00000000000..6a0762c2214
--- /dev/null
+++ b/config/core/deployments/webhook-hpa.yaml
@@ -0,0 +1,49 @@
+# Copyright 2020 The Knative Authors
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     https://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+apiVersion: autoscaling/v2beta2
+kind: HorizontalPodAutoscaler
+metadata:
+  name: eventing-webhook
+  namespace: knative-eventing
+  labels:
+    eventing.knative.dev/release: devel
+spec:
+  scaleTargetRef:
+    apiVersion: apps/v1
+    kind: Deployment
+    name: eventing-webhook
+  minReplicas: 1
+  maxReplicas: 5
+  metrics:
+  - type: Resource
+    resource:
+      name: cpu
+      target:
+        type: Utilization
+        averageUtilization: 100
+---
+# Webhook PDB.
+apiVersion: policy/v1beta1
+kind: PodDisruptionBudget
+metadata:
+  name: eventing-webhook-pdb
+  namespace: knative-eventing
+  labels:
+    eventing.knative.dev/release: devel
+spec:
+  minAvailable: 80%
+  selector:
+    matchLabels:
+      app: eventing-webhook
diff --git a/config/hpa-webhook.yaml b/config/hpa-webhook.yaml
new file mode 120000
index 00000000000..e61ce959feb
--- /dev/null
+++ b/config/hpa-webhook.yaml
@@ -0,0 +1 @@
+core/deployments/webhook-hpa.yaml
\ No newline at end of file

From 028f42364f83d839cb3f0215bdea139a9c8a30fa Mon Sep 17 00:00:00 2001
From: Matthias Wessendorf <mwessend@redhat.com>
Date: Tue, 26 Jan 2021 17:56:08 +0100
Subject: [PATCH 2/2] :scream: we have already 2021

Signed-off-by: Matthias Wessendorf <mwessend@redhat.com>
---
 config/core/deployments/webhook-hpa.yaml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/config/core/deployments/webhook-hpa.yaml b/config/core/deployments/webhook-hpa.yaml
index 6a0762c2214..0fce926dadb 100644
--- a/config/core/deployments/webhook-hpa.yaml
+++ b/config/core/deployments/webhook-hpa.yaml
@@ -1,4 +1,4 @@
-# Copyright 2020 The Knative Authors
+# Copyright 2021 The Knative Authors
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.