From cda499bf47a1b95e4464b6aeb683ca8aa95880c2 Mon Sep 17 00:00:00 2001
From: kangsheng89 <ks_wong_89@hotmail.com>
Date: Tue, 26 Sep 2023 13:05:52 +0800
Subject: [PATCH] update deployment with revision history limit

---
 keda/templates/manager/deployment.yaml        | 1 +
 keda/templates/metrics-server/deployment.yaml | 1 +
 keda/templates/webhooks/deployment.yaml       | 1 +
 keda/values.yaml                              | 6 ++++++
 4 files changed, 9 insertions(+)

diff --git a/keda/templates/manager/deployment.yaml b/keda/templates/manager/deployment.yaml
index 0168230e..bfc642a3 100644
--- a/keda/templates/manager/deployment.yaml
+++ b/keda/templates/manager/deployment.yaml
@@ -13,6 +13,7 @@ metadata:
     app.kubernetes.io/name: {{ .Values.operator.name }}
     {{- include "keda.labels" . | indent 4 }}
 spec:
+  revisionHistoryLimit: {{ .Values.operator.revisionHistoryLimit}}
   replicas: {{ .Values.operator.replicaCount}}
   {{- with .Values.upgradeStrategy.operator }}
   strategy:
diff --git a/keda/templates/metrics-server/deployment.yaml b/keda/templates/metrics-server/deployment.yaml
index 972e95b9..3965e3ff 100644
--- a/keda/templates/metrics-server/deployment.yaml
+++ b/keda/templates/metrics-server/deployment.yaml
@@ -12,6 +12,7 @@ metadata:
     app.kubernetes.io/name: {{ .Values.operator.name }}-metrics-apiserver
     {{- include "keda.labels" . | indent 4 }}
 spec:
+  revisionHistoryLimit: {{ .Values.metricsServer.revisionHistoryLimit}}
   replicas: {{ .Values.metricsServer.replicaCount }}
   {{- with .Values.upgradeStrategy.metricsApiServer }}
   strategy:
diff --git a/keda/templates/webhooks/deployment.yaml b/keda/templates/webhooks/deployment.yaml
index a3a7d02d..c47c6210 100644
--- a/keda/templates/webhooks/deployment.yaml
+++ b/keda/templates/webhooks/deployment.yaml
@@ -14,6 +14,7 @@ metadata:
     app.kubernetes.io/name: {{ .Values.webhooks.name }}
     {{- include "keda.labels" . | indent 4 }}
 spec:
+  revisionHistoryLimit: {{ .Values.webhooks.revisionHistoryLimit}}
   replicas: {{ .Values.webhooks.replicaCount}}
   {{- with .Values.upgradeStrategy.webhooks }}
   strategy:
diff --git a/keda/values.yaml b/keda/values.yaml
index 01938e42..7fec4e09 100644
--- a/keda/values.yaml
+++ b/keda/values.yaml
@@ -37,6 +37,8 @@ imagePullSecrets: []
 operator:
   # -- Name of the KEDA operator
   name: keda-operator
+  # -- ReplicaSets for this Deployment you want to retain (Default: 10)
+  revisionHistoryLimit: 10
   # -- Capability to configure the number of replicas for KEDA operator.
   # While you can run more replicas of our operator, only one operator instance will be the leader and serving traffic.
   # You can run multiple replicas, but they will not improve the performance of KEDA, it could only reduce downtime during a failover.
@@ -69,6 +71,8 @@ operator:
     successThreshold: 1
 
 metricsServer:
+  # -- ReplicaSets for this Deployment you want to retain (Default: 10)
+  revisionHistoryLimit: 10
   # -- Capability to configure the number of replicas for KEDA metric server.
   # While you can run more replicas of our metric server, only one instance will used and serve traffic.
   # You can run multiple replicas, but they will not improve the performance of KEDA, it could only reduce downtime during a failover.
@@ -130,6 +134,8 @@ webhooks:
   useHostNetwork: false
   # -- Name of the KEDA admission webhooks
   name: keda-admission-webhooks
+  # -- ReplicaSets for this Deployment you want to retain (Default: 10)
+  revisionHistoryLimit: 10
   # -- Capability to configure the number of replicas for KEDA admission webhooks
   replicaCount: 1
   # -- [Affinity] for pod scheduling for KEDA admission webhooks. Takes precedence over the `affinity` field