optimize hpa & pdb version select (#40)

helm/higress/Chart.yaml

@@ -1,5 +1,5 @@
 apiVersion: v2
-appVersion: 0.5.0
+appVersion: 0.5.1
 description: Helm chart for deploying higress gateways
 icon: https://higress.io/img/higress_logo_small.png
 keywords:
@@ -9,4 +9,4 @@ name: higress
 sources:
 - http://github.com/alibaba/higress
 type: application
-version: 0.5.0
+version: 0.5.1

helm/higress/templates/hpa.yaml

@@ -1,5 +1,6 @@
 {{- if .Values.gateway.autoscaling.enabled }}
-apiVersion: autoscaling/v2beta2
+{{- if not .Values.global.autoscalingv2API }}
+apiVersion: autoscaling/v2beta1
 kind: HorizontalPodAutoscaler
 metadata:
   name: {{ include "gateway.name" . }}
@@ -9,20 +10,46 @@ metadata:
   annotations:
     {{- .Values.gateway.annotations | toYaml | nindent 4 }}
 spec:
+  minReplicas: {{ .Values.gateway.autoscaling.minReplicas }}
+  maxReplicas: {{ .Values.gateway.autoscaling.maxReplicas }}
   scaleTargetRef:
     apiVersion: apps/v1
     kind: Deployment
     name: {{ include "gateway.name" . }}
+  metrics:
+  - type: Resource
+    resource:
+      name: cpu
+      targetAverageUtilization: {{ .Values.gateway.autoscaling.targetCPUUtilizationPercentage }}
+---
+{{- else }}
+{{- if (semverCompare ">=1.23-0" .Capabilities.KubeVersion.GitVersion)}}
+apiVersion: autoscaling/v2
+{{- else }}
+apiVersion: autoscaling/v2beta2
+{{- end }}
+kind: HorizontalPodAutoscaler
+metadata:
+  name: {{ include "gateway.name" . }}
+  namespace: {{ .Release.Namespace }}
+  labels:
+    {{- include "gateway.labels" . | nindent 4 }}
+  annotations:
+    {{- .Values.gateway.annotations | toYaml | nindent 4 }}
+spec:
   minReplicas: {{ .Values.gateway.autoscaling.minReplicas }}
   maxReplicas: {{ .Values.gateway.autoscaling.maxReplicas }}
+  scaleTargetRef:
+    apiVersion: apps/v1
+    kind: Deployment
+    name: {{ include "gateway.name" . }}
   metrics:
-    {{- if .Values.gateway.autoscaling.targetCPUUtilizationPercentage }}
+  - type: Resource
-    - type: Resource
+    resource:
-      resource:
+      name: cpu
-        name: cpu
+      target:
-        target:
+        type: Utilization
-          averageUtilization: {{ .Values.gateway.autoscaling.targetCPUUtilizationPercentage }}
+        averageUtilization: {{ .Values.gateway.autoscaling.targetCPUUtilizationPercentage }}
-          type: Utilization
+---
-    {{- end }}
+{{- end }}
-
 {{- end }}

helm/higress/values.yaml

@@ -1,3 +1,7 @@
+global:
+  # whether to use autoscaling/v2 template for HPA settings
+  # for internal usage only, not to be configured by users.
+  autoscalingv2API: true
 hub: higress-registry.cn-hangzhou.cr.aliyuncs.com/higress
 ingressClass: ""
 watchNamespace: ""
@@ -9,7 +13,7 @@ gateway:
   name: "higress-gateway"
   replicaCount: 2
   image: gateway
-  tag: ""
+  tag: "04cfef254aade907478c2b70cf576bb5eb310047"
   # revision declares which revision this gateway is a part of
   revision: ""
 
@@ -82,7 +86,7 @@ gateway:
       memory: 2048Mi
   
   autoscaling:
-    enabled: true
+    enabled: false
     minReplicas: 1
     maxReplicas: 5
     targetCPUUtilizationPercentage: 80
@@ -100,7 +104,7 @@ controller:
   name: "higress-controller"
   replicaCount: 1
   image: higress
-  tag: ""
+  tag: "04cfef254aade907478c2b70cf576bb5eb310047"
   env: {}
   replicaCount: 1
 

helm/istio/Chart.yaml

@@ -1,5 +1,5 @@
 apiVersion: v2
-appVersion: 1.12.0
+appVersion: 1.12.1
 description: Helm chart for deploying higress istio
 name: istio
 sources:
@@ -12,4 +12,4 @@ dependencies:
   repository: "file://../istiod"
   version: 1.12.0
 type: application
-version: 1.12.0
+version: 1.12.1

helm/istiod/templates/autoscale.yaml

@@ -1,4 +1,5 @@
 {{- if and .Values.pilot.autoscaleEnabled .Values.pilot.autoscaleMin .Values.pilot.autoscaleMax }}
+{{- if not .Values.global.autoscalingv2API }}
 apiVersion: autoscaling/v2beta1
 kind: HorizontalPodAutoscaler
 metadata:
@@ -23,4 +24,36 @@ spec:
       name: cpu
       targetAverageUtilization: {{ .Values.pilot.cpu.targetAverageUtilization }}
 ---
+{{- else }}
+{{- if (semverCompare ">=1.23-0" .Capabilities.KubeVersion.GitVersion)}}
+apiVersion: autoscaling/v2
+{{- else }}
+apiVersion: autoscaling/v2beta2
+{{- end }}
+kind: HorizontalPodAutoscaler
+metadata:
+  name: istiod{{- if not (eq .Values.revision "") }}-{{ .Values.revision }}{{- end }}
+  namespace: {{ .Release.Namespace }}
+  labels:
+    app: istiod
+    release: {{ .Release.Name }}
+    istio.io/rev: {{ .Values.revision | default "default" }}
+    install.operator.istio.io/owning-resource: {{ .Values.ownerName | default "unknown" }}
+    operator.istio.io/component: "Pilot"
+spec:
+  maxReplicas: {{ .Values.pilot.autoscaleMax }}
+  minReplicas: {{ .Values.pilot.autoscaleMin }}
+  scaleTargetRef:
+    apiVersion: apps/v1
+    kind: Deployment
+    name: istiod{{- if not (eq .Values.revision "") }}-{{ .Values.revision }}{{- end }}
+  metrics:
+  - type: Resource
+    resource:
+      name: cpu
+      target:
+        type: Utilization
+        averageUtilization: {{ .Values.pilot.cpu.targetAverageUtilization }}
+---
+{{- end }}
 {{- end }}

helm/istiod/templates/poddisruptionbudget.yaml

@@ -1,5 +1,9 @@
 {{- if .Values.global.defaultPodDisruptionBudget.enabled }}
+{{- if (semverCompare ">=1.21-0" .Capabilities.KubeVersion.GitVersion) }}
+apiVersion: policy/v1
+{{- else }}
 apiVersion: policy/v1beta1
+{{- end }}
 kind: PodDisruptionBudget
 metadata:
   name: istiod{{- if not (eq .Values.revision "") }}-{{ .Values.revision }}{{- end }}

helm/istiod/values.yaml

@@ -2,7 +2,7 @@
 
 ## Discovery Settings
 pilot:
-  autoscaleEnabled: true
+  autoscaleEnabled: false
   autoscaleMin: 1
   autoscaleMax: 5
   replicaCount: 1
@@ -10,7 +10,7 @@ pilot:
   rollingMaxUnavailable: 25%
 
   hub: higress-registry.cn-hangzhou.cr.aliyuncs.com/higress
-  tag: 1.12
+  tag: 04cfef254aade907478c2b70cf576bb5eb310047
 
   # Can be a full hub/image:tag
   image: pilot
@@ -221,6 +221,9 @@ meshConfig:
   # No hurry to do this in 1.6, we're trying to prove the code.
 
 global:
+  # whether to use autoscaling/v2 template for HPA settings
+  # for internal usage only, not to be configured by users.
+  autoscalingv2API: true
   higressName: "higress-controller"
   higressNamespace: "higress-system"
   higressPort: "15051"
@@ -229,7 +232,7 @@ global:
   # enable pod disruption budget for the control plane, which is used to
   # ensure Istio control plane components are gradually upgraded or recovered.
   defaultPodDisruptionBudget:
-    enabled: true
+    enabled: false
     # The values aren't mutable due to a current PodDisruptionBudget limitation
     # minAvailable: 1