feat(server/deploy): add autoscaling with helm chart

CS-SI · Jun 8, 2024 · 23959f8 · 23959f8
1 parent d85198a
commit 23959f8
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Showing 5 changed files with 71 additions and 6 deletions.
diff --git a/charts/eodag-server/Chart.lock b/charts/eodag-server/Chart.lock
@@ -1,6 +1,6 @@
 dependencies:
 - name: common
   repository: oci://registry-1.docker.io/bitnamicharts
-  version: 2.4.0
-digest: sha256:b371e6f7f1449fa3abdcb97a04b0bbb2b5d36a4facb8e79041ac36a455b02bb0
-generated: "2023-06-19T12:39:44.271254606+02:00"
+  version: 2.19.3
+digest: sha256:de997835d9ce9a9deefc2d70d8c62b11aa1d1a76ece9e86a83736ab9f930bf4d
+generated: "2024-06-03T18:43:30.71045378+02:00"
diff --git a/charts/eodag-server/Chart.yaml b/charts/eodag-server/Chart.yaml
@@ -5,7 +5,7 @@ dependencies:
   repository:  oci://registry-1.docker.io/bitnamicharts
   tags:
   - bitnami-common
-  version: 2.x
+  version: 2.x.x
 description: EODAG (Earth Observation Data Access Gateway) is a tool for searching,
   aggregating results and downloading remote sensed images offering a unified API
   for data access regardless of the data provider.

diff --git a/charts/eodag-server/README.md b/charts/eodag-server/README.md
@@ -46,7 +46,6 @@ The command removes all the Kubernetes components associated with the chart and
 | `global.imagePullSecrets` | Global Docker registry secret names as an array | `[]`  |
 | `global.storageClass`     | Global StorageClass for Persistent Volume(s)    | `""`  |
 
-
 ### Common parameters
 
 | Name                | Description                                                          | Value           |
@@ -60,7 +59,6 @@ The command removes all the Kubernetes components associated with the chart and
 | `clusterDomain`     | Kubernetes cluster domain name                                       | `cluster.local` |
 | `extraDeploy`       | Array of extra objects to deploy with the release                    | `[]`            |
 
-
 ### EODAG Server parameters
 
 | Name                                                | Description                                                                                                               | Value                    |
@@ -179,6 +177,11 @@ The command removes all the Kubernetes components associated with the chart and
 | `serviceAccount.name`                               | The name of the ServiceAccount to use.                                                                                    | `""`                     |
 | `serviceAccount.annotations`                        | Additional custom annotations for the ServiceAccount                                                                      | `{}`                     |
 | `serviceAccount.automountServiceAccountToken`       | Automount service account token for the server service account                                                            | `true`                   |
+| `autoscaling.enabled`                               | Enable autoscaling                                                                                                        | `false`                  |
+| `autoscaling.minReplicas`                           | Minimum number of replicas                                                                                                | `1`                      |
+| `autoscaling.maxReplicas`                           | Maximum number of replicas                                                                                                | `10`                     |
+| `autoscaling.targetCPU`                             | Target CPU utilization percentage                                                                                         | `""`                     |
+| `autoscaling.targetMemory`                          | Target Memory utilization percentage                                                                                      | `""`                     |
 
 
 ```console

diff --git a/charts/eodag-server/templates/hpa.yaml b/charts/eodag-server/templates/hpa.yaml
@@ -0,0 +1,48 @@
+{{- /*
+Copyright Broadcom, Inc. All Rights Reserved.
+SPDX-License-Identifier: APACHE-2.0
+*/}}
+
+{{- if .Values.autoscaling.enabled }}
+apiVersion: autoscaling/v2
+kind: HorizontalPodAutoscaler
+metadata:
+  name: {{ include "common.names.fullname" . }}
+  namespace: {{ include "common.names.namespace" . | quote }}
+  labels: {{- include "common.labels.standard" ( dict "customLabels" .Values.commonLabels "context" $ ) | nindent 4 }}
+  {{- if .Values.commonAnnotations }}
+  annotations: {{- include "common.tplvalues.render" ( dict "value" .Values.commonAnnotations "context" $ ) | nindent 4 }}
+  {{- end }}
+spec:
+  scaleTargetRef:
+    apiVersion: {{ include "common.capabilities.deployment.apiVersion" . }}
+    kind: Deployment
+    name: {{ include "common.names.fullname" . }}
+  minReplicas: {{ .Values.autoscaling.minReplicas }}
+  maxReplicas: {{ .Values.autoscaling.maxReplicas }}
+  metrics:
+    {{- if .Values.autoscaling.targetMemory }}
+    - type: Resource
+      resource:
+        name: memory
+        {{- if semverCompare "<1.23-0" (include "common.capabilities.kubeVersion" .) }}
+        targetAverageUtilization: {{ .Values.autoscaling.targetMemory  }}
+        {{- else }}
+        target:
+          type: Utilization
+          averageUtilization: {{ .Values.autoscaling.targetMemory }}
+        {{- end }}
+    {{- end }}
+    {{- if .Values.autoscaling.targetCPU }}
+    - type: Resource
+      resource:
+        name: cpu
+        {{- if semverCompare "<1.23-0" (include "common.capabilities.kubeVersion" .) }}
+        targetAverageUtilization: {{ .Values.autoscaling.targetCPU }}
+        {{- else }}
+        target:
+          type: Utilization
+          averageUtilization: {{ .Values.autoscaling.targetCPU }}
+        {{- end }}
+    {{- end }}
+{{- end }}
diff --git a/charts/eodag-server/values.yaml b/charts/eodag-server/values.yaml
@@ -690,3 +690,17 @@ serviceAccount:
   ## @param serviceAccount.automountServiceAccountToken Automount service account token for the server service account
   ##
   automountServiceAccountToken: true
+
+## Autoscaling configuration
+## @param autoscaling.enabled Enable autoscaling
+## @param autoscaling.minReplicas Minimum number of replicas
+## @param autoscaling.maxReplicas Maximum number of replicas
+## @param autoscaling.targetCPU Target CPU utilization percentage
+## @param autoscaling.targetMemory Target Memory utilization percentage
+##
+autoscaling:
+  enabled: false
+  minReplicas: 1
+  maxReplicas: 10
+  targetCPU: ""
+  targetMemory: ""