[INFRA-216] Plane-CE: Add Horizontal Pod Autoscaler (HPA) to Plane-CE Deployments

.github/workflows/chart-preview.yml

@@ -92,7 +92,6 @@ jobs:
           sed -i "s/name: ${{env.CHART_REPO}}/name: ${{ env.CHART_PREFIX }}-${{env.CHART_REPO}}/" charts/${{env.CHART_REPO}}/Chart.yaml
           sed -i "s/description: .*/description: ${flatBranchName}/g" charts/${{env.CHART_REPO}}/Chart.yaml
           # sed -i "s/version: \(.*\)/version: \1-${flatBranchName}/" charts/${{env.CHART_REPO}}/Chart.yaml
-
           helm package --sign --key "$CR_KEY" --keyring $CR_KEYRING --passphrase-file "$CR_PASSPHRASE_FILE" charts/$CHART_REPO -u -d ${{ env.EXPORT_DIR }}/${{env.CHART_REPO}}/charts
           cp charts/${{env.CHART_REPO}}/README.md ${{ env.EXPORT_DIR }}/${{env.CHART_REPO}}/${{env.CHART_REPO}}.md
           helm repo index ${{ env.EXPORT_DIR }}/${{env.CHART_REPO}}

.github/workflows/chart-releaser.yml

@@ -178,4 +178,3 @@ jobs:
             git push
           fi
 
-

.gitignore

@@ -4,3 +4,4 @@ test-helm.yaml
 */local-values.yaml
 test.yaml
 test-*.yaml
+charts/plane-ce/charts

charts/plane-ce/Chart.lock

@@ -0,0 +1,6 @@
+dependencies:
+- name: metrics-server
+  repository: https://kubernetes-sigs.github.io/metrics-server/
+  version: 3.12.2
+digest: sha256:9be099fcb7bb171b96598c6135df06c9feb60535737dd4adfdc601d44e23d6bf
+generated: "2025-05-20T13:23:06.095553+05:30"

charts/plane-ce/questions.yml

@@ -55,15 +55,22 @@ questions:
     label: "Assign Cluster IP"
     type: boolean
     default: false
-  - variable: web.memoryRequest
-    label: "Memory Request"
-    type: string
-    default: 50Mi
-  - variable: web.cpuRequest
-    label: "CPU Request"
-    type: string
-    default: 50m
-
+  - variable: web.autoscaling.minReplicas
+    label: "Minimum Replica Count"
+    type: int
+    default: 1
+  - variable: web.autoscaling.maxReplicas
+    label: "Maximum Replica Count"
+    type: int
+    default: 3
+  - variable: web.autoscaling.targetCPUUtilizationPercentage
+    label: "Target CPU Utilization Percentage"
+    type: int
+    default: 80
+  - variable: web.autoscaling.targetMemoryUtilizationPercentage
+    label: "Target Memory Utilization Percentage"
+    type: int
+    default: 70
 - variable: space.image
   label: Space Docker Image
   type: string
@@ -103,6 +110,22 @@ questions:
     label: "Assign Cluster IP"
     type: boolean
     default: false
+  - variable: space.autoscaling.minReplicas
+    label: "Minimum Replica Count"
+    type: int
+    default: 1
+  - variable: space.autoscaling.maxReplicas
+    label: "Maximum Replica Count"
+    type: int
+    default: 3  
+  - variable: space.autoscaling.targetCPUUtilizationPercentage
+    label: "Target CPU Utilization Percentage"
+    type: int
+    default: 80
+  - variable: space.autoscaling.targetMemoryUtilizationPercentage
+    label: "Target Memory Utilization Percentage"
+    type: int
+    default: 70
 
 - variable: admin.image
   label: Admin Docker Image
@@ -135,14 +158,27 @@ questions:
     label: "Assign Cluster IP"
     type: boolean
     default: true
-  - variable: admin.memoryRequest
-    label: "Memory Request"
-    type: string
-    default: 50Mi
-  - variable: admin.cpuRequest
-    label: "CPU Request"
-    type: string
-    default: 50m
+
+  - variable: admin.autoscaling.minReplicas
+    label: "Minimum Replica Count"
+    type: int
+    default: 1  
+
+  - variable: admin.autoscaling.maxReplicas
+    label: "Maximum Replica Count"
+    type: int
+    default: 3
+
+  - variable: admin.autoscaling.targetCPUUtilizationPercentage
+    label: "Target CPU Utilization Percentage"
+    type: int
+    default: 80
+
+  - variable: admin.autoscaling.targetMemoryUtilizationPercentage
+    label: "Target Memory Utilization Percentage"
+    type: int
+    default: 70
+
 - variable: live.image
   label: Live Docker Image
   type: string
@@ -195,7 +231,27 @@ questions:
     label: "Live Sentry Traces Sample Rate"
     type: string
     default: ""
-
+
+  - variable: live.autoscaling.minReplicas
+    label: "Minimum Replica Count"
+    type: int
+    default: 1
+
+  - variable: live.autoscaling.maxReplicas
+    label: "Maximum Replica Count"
+    type: int
+    default: 3  
+
+  - variable: live.autoscaling.targetCPUUtilizationPercentage
+    label: "Target CPU Utilization Percentage"
+    type: int
+    default: 80
+
+  - variable: live.autoscaling.targetMemoryUtilizationPercentage
+    label: "Target Memory Utilization Percentage"
+    type: int 
+    default: 70
+
 - variable: api.image
   label: Backend Docker Image
   type: string
@@ -257,7 +313,27 @@ questions:
     label: "API Key Rate Limit"
     type: string
     default: "60/minute"
-
+
+  - variable: api.autoscaling.minReplicas
+    label: "Minimum Replica Count"
+    type: int
+    default: 1  
+
+  - variable: api.autoscaling.maxReplicas
+    label: "Maximum Replica Count"
+    type: int
+    default: 3
+
+  - variable: api.autoscaling.targetCPUUtilizationPercentage
+    label: "Target CPU Utilization Percentage"
+    type: int 
+    default: 80
+
+  - variable: api.autoscaling.targetMemoryUtilizationPercentage
+    label: "Target Memory Utilization Percentage"
+    type: int 
+    default: 70
+
 - variable: worker.replicas
   label: "Default Replica Count"
   type: int
@@ -272,14 +348,27 @@ questions:
     label: "CPU Limit"
     type: string
     default: 500m
-  - variable: worker.memoryRequest
-    label: "Memory Request"
-    type: string
-    default: 50Mi
-  - variable: worker.cpuRequest
-    label: "CPU Request"
-    type: string
-    default: 50m
+
+  - variable: worker.autoscaling.minReplicas
+    label: "Minimum Replica Count"
+    type: int
+    default: 1  
+
+  - variable: worker.autoscaling.maxReplicas
+    label: "Maximum Replica Count"
+    type: int
+    default: 3
+
+  - variable: worker.autoscaling.targetCPUUtilizationPercentage
+    label: "Target CPU Utilization Percentage"
+    type: int
+    default: 80 
+
+  - variable: worker.autoscaling.targetMemoryUtilizationPercentage
+    label: "Target Memory Utilization Percentage"
+    type: int 
+    default: 70
+
 - variable: beatworker.replicas
   label: "Default Replica Count"
   type: int
@@ -294,14 +383,27 @@ questions:
     label: "CPU Limit"
     type: string
     default: 500m
-  - variable: beatworker.memoryRequest
-    label: "Memory Request"
-    type: string
-    default: 50Mi
-  - variable: beatworker.cpuRequest
-    label: "CPU Request"
-    type: string
-    default: 50m  
+
+  - variable: beatworker.autoscaling.minReplicas
+    label: "Minimum Replica Count"
+    type: int
+    default: 1
+
+  - variable: beatworker.autoscaling.maxReplicas
+    label: "Maximum Replica Count"
+    type: int
+    default: 3  
+
+  - variable: beatworker.autoscaling.targetCPUUtilizationPercentage
+    label: "Target CPU Utilization Percentage"
+    type: int
+    default: 80
+
+  - variable: beatworker.autoscaling.targetMemoryUtilizationPercentage
+    label: "Target Memory Utilization Percentage"
+    type: int 
+    default: 70
+
 - variable: redis.local_setup
   label: "Install Redis"
   type: boolean

charts/plane-ce/templates/_helpers.tpl

@@ -1,3 +1,12 @@
 {{- define "imagePullSecret" }}
 {{- printf "{\"auths\":{\"%s\":{\"username\":\"%s\",\"password\":\"%s\"}}}" .Values.dockerRegistry.host .Values.dockerRegistry.loginid .Values.dockerRegistry.password | b64enc }}
+{{- end }}
+
+{{- define "enable.hpa" -}}
+{{- $metrics := lookup "rbac.authorization.k8s.io/v1" "ClusterRole" "" "system:metrics-server" }}
+{{- if not $metrics }}
+false
+{{- else }}
+true
+{{- end }}
 {{- end }}

charts/plane-ce/templates/workloads/admin.deployment.yaml

@@ -1,4 +1,3 @@
-
 apiVersion: v1
 kind: Service
 metadata:
@@ -59,4 +58,41 @@ spec:
       serviceAccount: {{ .Release.Name }}-srv-account
       serviceAccountName: {{ .Release.Name }}-srv-account
 
----
+---
+
+{{- if eq (include "enable.hpa" . | trim) "true" }}
+apiVersion: autoscaling/v2
+kind: HorizontalPodAutoscaler
+metadata:
+  name: {{ .Release.Name }}-admin-hpa
+  namespace: {{ .Release.Namespace }}
+  labels:
+    app.name: {{ .Release.Namespace }}-{{ .Release.Name }}-admin-hpa
+spec:
+  scaleTargetRef:
+    apiVersion: apps/v1
+    kind: Deployment
+    name: {{ .Release.Name }}-admin-wl
+  minReplicas: {{ .Values.admin.autoscaling.minReplicas }}
+  maxReplicas: {{ .Values.admin.autoscaling.maxReplicas }}
+  {{- if or .Values.admin.autoscaling.targetCPUUtilizationPercentage .Values.admin.autoscaling.targetMemoryUtilizationPercentage }}
+  metrics:
+    {{- if .Values.admin.autoscaling.targetCPUUtilizationPercentage }}
+    - type: Resource
+      resource:
+        name: cpu
+        target:
+          type: Utilization
+          averageUtilization: {{ .Values.admin.autoscaling.targetCPUUtilizationPercentage }}
+    {{- end }}
+    {{- if .Values.admin.autoscaling.targetMemoryUtilizationPercentage }}
+    - type: Resource
+      resource:
+        name: memory
+        target:
+          type: Utilization
+          averageUtilization: {{ .Values.admin.autoscaling.targetMemoryUtilizationPercentage }}
+    {{- end }}
+  {{- end }}
+{{- end }}
+---

charts/plane-ce/templates/workloads/api.deployment.yaml

@@ -76,4 +76,41 @@ spec:
       serviceAccount: {{ .Release.Name }}-srv-account
       serviceAccountName: {{ .Release.Name }}-srv-account
 
+---
+{{- if eq (include "enable.hpa" . | trim) "true" }}
+
+apiVersion: autoscaling/v2
+kind: HorizontalPodAutoscaler
+metadata:
+  name: {{ .Release.Name }}-api-hpa
+  namespace: {{ .Release.Namespace }}
+  labels:
+    app.name: {{ .Release.Namespace }}-{{ .Release.Name }}-api-hpa
+spec:
+  scaleTargetRef:
+    apiVersion: apps/v1
+    kind: Deployment
+    name: {{ .Release.Name }}-api-wl
+  minReplicas: {{ .Values.api.autoscaling.minReplicas }}
+  maxReplicas: {{ .Values.api.autoscaling.maxReplicas }}
+  {{- if or .Values.api.autoscaling.targetCPUUtilizationPercentage .Values.api.autoscaling.targetMemoryUtilizationPercentage }}
+  metrics:
+    {{- if .Values.api.autoscaling.targetCPUUtilizationPercentage }}
+    - type: Resource
+      resource:
+        name: cpu
+        target:
+          type: Utilization
+          averageUtilization: {{ .Values.api.autoscaling.targetCPUUtilizationPercentage }}
+    {{- end }}
+    {{- if .Values.api.autoscaling.targetMemoryUtilizationPercentage }}
+    - type: Resource
+      resource:
+        name: memory
+        target:
+          type: Utilization
+          averageUtilization: {{ .Values.api.autoscaling.targetMemoryUtilizationPercentage }}
+    {{- end }}
+  {{- end }}
+{{- end }}
 ---

charts/plane-ce/templates/workloads/beat-worker.deployment.yaml

@@ -46,4 +46,40 @@ spec:
       serviceAccount: {{ .Release.Name }}-srv-account
       serviceAccountName: {{ .Release.Name }}-srv-account
 
----
+---
+{{- if eq (include "enable.hpa" . | trim) "true" }}
+apiVersion: autoscaling/v2
+kind: HorizontalPodAutoscaler
+metadata:
+  name: {{ .Release.Name }}-beat-worker-hpa
+  namespace: {{ .Release.Namespace }}
+  labels:
+    app.name: {{ .Release.Namespace }}-{{ .Release.Name }}-beat-worker-hpa
+spec:
+  scaleTargetRef:
+    apiVersion: apps/v1
+    kind: Deployment
+    name: {{ .Release.Name }}-beat-worker-wl
+  minReplicas: {{ .Values.beatworker.autoscaling.minReplicas }}
+  maxReplicas: {{ .Values.beatworker.autoscaling.maxReplicas }}
+  {{- if or .Values.beatworker.autoscaling.targetCPUUtilizationPercentage .Values.beatworker.autoscaling.targetMemoryUtilizationPercentage }}
+  metrics:
+    {{- if .Values.beatworker.autoscaling.targetCPUUtilizationPercentage }}
+    - type: Resource
+      resource:
+        name: cpu
+        target:
+          type: Utilization
+          averageUtilization: {{ .Values.beatworker.autoscaling.targetCPUUtilizationPercentage }}
+    {{- end }}
+    {{- if .Values.beatworker.autoscaling.targetMemoryUtilizationPercentage }}
+    - type: Resource
+      resource:
+        name: memory
+        target:
+          type: Utilization
+          averageUtilization: {{ .Values.beatworker.autoscaling.targetMemoryUtilizationPercentage }}
+    {{- end }}
+  {{- end }}
+{{- end }}
+---