feat: [open-webui] add option for use hpa and pdb

charts/open-webui/Chart.yaml

@@ -1,7 +1,7 @@
 apiVersion: v2
 name: open-webui
-version: 5.10.1
-appVersion: 0.5.10
+version: 5.11.0
+appVersion: 0.5.11
 home: https://www.openwebui.com/
 icon: >-
   https://raw.githubusercontent.com/open-webui/open-webui/main/static/favicon.png

charts/open-webui/README.md

@@ -1,6 +1,6 @@
 # open-webui
 
-![Version: 5.10.0](https://img.shields.io/badge/Version-5.10.0-informational?style=flat-square) ![AppVersion: 0.5.10](https://img.shields.io/badge/AppVersion-0.5.10-informational?style=flat-square)
+![Version: 5.11.0](https://img.shields.io/badge/Version-5.11.0-informational?style=flat-square) ![AppVersion: 0.5.11](https://img.shields.io/badge/AppVersion-0.5.11-informational?style=flat-square)
 
 Open WebUI: A User-Friendly Web Interface for Chat Interactions 👋
 
@@ -12,6 +12,7 @@ Open WebUI: A User-Friendly Web Interface for Chat Interactions 👋
 * <https://github.com/open-webui/open-webui/pkgs/container/open-webui>
 * <https://github.com/otwld/ollama-helm/>
 * <https://hub.docker.com/r/ollama/ollama>
+* <https://charts.bitnami.com/bitnami>
 
 ## Installing
 
@@ -43,6 +44,13 @@ helm upgrade --install open-webui open-webui/open-webui
 |-----|------|---------|-------------|
 | affinity | object | `{}` | Affinity for pod assignment |
 | annotations | object | `{}` |  |
+| autoscaling | object | `{"behavior":{},"enabled":false,"maxReplicas":5,"metrics":[],"minReplicas":1,"targetCPUUtilizationPercentage":50,"targetMemoryUtilizationPercentage":90}` | Configure horizontal pod autoscale (hpa) ref: <https://kubernetes.io/docs/tasks/run-application/horizontal-pod-autoscale/> |
+| autoscaling.behavior | object | `{}` | Configures the scaling behavior of the target in both Up and Down directions. |
+| autoscaling.enabled | bool | `false` | Enable Horizontal Pod Autoscaler |
+| autoscaling.maxReplicas | int | `5` | Maximum number of replicas |
+| autoscaling.minReplicas | int | `1` | Minimum number of replicas |
+| autoscaling.targetCPUUtilizationPercentage | int | `50` | Average CPU utilization percentage |
+| autoscaling.targetMemoryUtilizationPercentage | int | `90` | Average memory utilization percentage |
 | clusterDomain | string | `"cluster.local"` | Value of cluster domain |
 | containerSecurityContext | object | `{}` | Configure container security context ref: <https://kubernetes.io/docs/tasks/configure-pod-container/security-context/#set-the-security-context-for-a-containe> |
 | copyAppData.resources | object | `{}` |  |
@@ -52,20 +60,29 @@ helm upgrade --install open-webui open-webui/open-webui
 | image | object | `{"pullPolicy":"IfNotPresent","repository":"ghcr.io/open-webui/open-webui","tag":""}` | Open WebUI image tags can be found here: https://github.com/open-webui/open-webui |
 | imagePullSecrets | list | `[]` | Configure imagePullSecrets to use private registry ref: <https://kubernetes.io/docs/tasks/configure-pod-container/pull-image-private-registry> |
 | ingress.additionalHosts | list | `[]` |  |
-| ingress.annotations | object | `{}` | Use appropriate annotations for your Ingress controller, e.g., for NGINX: nginx.ingress.kubernetes.io/rewrite-target: / |
+| ingress.annotations | object | `{}` | Use appropriate annotations for your Ingress controller, e.g., for NGINX: |
 | ingress.class | string | `""` |  |
 | ingress.enabled | bool | `false` |  |
 | ingress.existingSecret | string | `""` |  |
-| ingress.host | string | `""` |  |
+| ingress.host | string | `"chat.example.com"` |  |
 | ingress.tls | bool | `false` |  |
 | livenessProbe | object | `{}` | Probe for liveness of the Open WebUI container ref: <https://kubernetes.io/docs/tasks/configure-pod-container/configure-liveness-readiness-startup-probes> |
+| managedCertificate.domains[0] | string | `"chat.example.com"` |  |
+| managedCertificate.enabled | bool | `false` |  |
+| managedCertificate.name | string | `"mydomain-chat-cert"` |  |
 | nameOverride | string | `""` |  |
 | namespaceOverride | string | `""` |  |
 | nodeSelector | object | `{}` | Node labels for pod assignment. |
 | ollama.enabled | bool | `true` | Automatically install Ollama Helm chart from https://otwld.github.io/ollama-helm/. Use [Helm Values](https://github.com/otwld/ollama-helm/#helm-values) to configure |
 | ollama.fullnameOverride | string | `"open-webui-ollama"` | If enabling embedded Ollama, update fullnameOverride to your desired Ollama name value, or else it will use the default ollama.name value from the Ollama chart |
 | ollamaUrls | list | `[]` | A list of Ollama API endpoints. These can be added in lieu of automatically installing the Ollama Helm chart, or in addition to it. |
 | openaiBaseApiUrl | string | `""` | OpenAI base API URL to use. Defaults to the Pipelines service endpoint when Pipelines are enabled, and "https://api.openai.com/v1" if Pipelines are not enabled and this value is blank |
+| pdb | object | `{"annotations":{},"enabled":false,"labels":{},"maxUnavailable":"","minAvailable":1}` | Deploy a PodDisruptionBudget ref: <https://kubernetes.io/docs/tasks/run-application/configure-pdb/> |
+| pdb.annotations | object | `{}` | Annotations to be added to pdb |
+| pdb.enabled | bool | `false` | Enable PodDisruptionBudget |
+| pdb.labels | object | `{}` | Labels to be added to pdb |
+| pdb.maxUnavailable | string | `""` | Number of pods that are unavailable after eviction as number or percentage (eg.: 50%). # Has higher precedence over `controller.pdb.minAvailable` |
+| pdb.minAvailable | int | `1` | Number of pods that are available after eviction as number or percentage (eg.: 50%) |
 | persistence.accessModes | list | `["ReadWriteOnce"]` | If using multiple replicas, you must update accessModes to ReadWriteMany |
 | persistence.annotations | object | `{}` |  |
 | persistence.enabled | bool | `true` |  |

charts/open-webui/templates/hpa.yaml

@@ -0,0 +1,41 @@
+{{- if .Values.autoscaling.enabled }}
+apiVersion: autoscaling/v2
+kind: HorizontalPodAutoscaler
+metadata:
+  name: {{ include "open-webui.name" . }}
+  namespace: {{ include "open-webui.namespace" . }}
+  labels:
+    {{- include "open-webui.labels" . | nindent 4 }}
+spec:
+  scaleTargetRef:
+    apiVersion: apps/v1
+    kind: Deployment
+    name: {{ include "open-webui.name" . }}
+  minReplicas: {{ .Values.autoscaling.minReplicas }}
+  maxReplicas: {{ .Values.autoscaling.maxReplicas }}
+  metrics:
+  {{- with .Values.autoscaling.metrics }}
+    {{- toYaml . | nindent 4 }}
+  {{- else }}
+    {{- with .Values.autoscaling.targetMemoryUtilizationPercentage }}
+    - type: Resource
+      resource:
+        name: memory
+        target:
+          type: Utilization
+          averageUtilization: {{ . }}
+    {{- end }}
+    {{- with .Values.autoscaling.targetCPUUtilizationPercentage }}
+    - type: Resource
+      resource:
+        name: cpu
+        target:
+          type: Utilization
+          averageUtilization: {{ . }}
+    {{- end }}
+  {{- end }}
+  {{- with .Values.autoscaling.behavior }}
+  behavior:
+    {{- toYaml . | nindent 4 }}
+  {{- end }}
+{{- end }}

charts/open-webui/templates/pdb.yaml

@@ -0,0 +1,27 @@
+{{- if .Values.pdb.enabled }}
+apiVersion: policy/v1
+kind: PodDisruptionBudget
+metadata:
+  name: {{ include "open-webui.name" . }}
+  namespace: {{ include "open-webui.namespace" . }}
+  labels:
+    {{- include "open-webui.labels" . | nindent 4 }}
+    {{- with .Values.pdb.labels }}
+      {{- toYaml . | nindent 4 }}
+    {{- end }}
+  {{- with .Values.pdb.annotations }}
+  annotations:
+    {{- range $key, $value := . }}
+    {{ $key }}: {{ $value | quote }}
+    {{- end }}
+  {{- end }}
+spec:
+  {{- with .Values.pdb.maxUnavailable }}
+  maxUnavailable: {{ . }}
+  {{- else }}
+  minAvailable: {{ .Values.pdb.minAvailable }}
+  {{- end }}
+  selector:
+    matchLabels:
+      {{- include "open-webui.selectorLabels" . | nindent 6 }}
+{{- end }}

charts/open-webui/values.yaml

@@ -166,7 +166,7 @@ managedCertificate:
 ingress:
   enabled: false
   class: ""
-  # -- Use appropriate annotations for your Ingress controller, e.g., for NGINX:  
+  # -- Use appropriate annotations for your Ingress controller, e.g., for NGINX:
   annotations: {}
   #   # Example for GKE Ingress
   #   kubernetes.io/ingress.class: "gce"
@@ -176,8 +176,8 @@ ingress:
   #   nginx.ingress.kubernetes.io/ssl-redirect: "true"
   #   nginx.ingress.kubernetes.io/permanent-redirect: "https://chat.example.com"
   #   networking.gke.io/managed-certificates: "mydomain-chat-cert"
-  #   # nginx.ingress.kubernetes.io/rewrite-target: / 
-  host: "chat.example.com"  # update to your real domain 
+  #   # nginx.ingress.kubernetes.io/rewrite-target: /
+  host: "chat.example.com"  # update to your real domain
   additionalHosts: []
   tls: false
   existingSecret: ""
@@ -282,6 +282,50 @@ containerSecurityContext:
   # seccompProfile:
   #   type: "RuntimeDefault"
 
+# -- Configure horizontal pod autoscale (hpa)
+# ref: <https://kubernetes.io/docs/tasks/run-application/horizontal-pod-autoscale/>
+autoscaling:
+  # -- Enable Horizontal Pod Autoscaler
+  enabled: false
+  # -- Minimum number of replicas
+  minReplicas: 1
+  # -- Maximum number of replicas
+  maxReplicas: 5
+  # -- Average CPU utilization percentage
+  targetCPUUtilizationPercentage: 50
+  # -- Average memory utilization percentage
+  targetMemoryUtilizationPercentage: 90
+  # -- Configures the scaling behavior of the target in both Up and Down directions.
+  behavior: {}
+    # scaleDown:
+    #  stabilizationWindowSeconds: 300
+    #  policies:
+    #   - type: Pods
+    #     value: 1
+    #     periodSeconds: 180
+    # scaleUp:
+    #   stabilizationWindowSeconds: 300
+    #   policies:
+    #   - type: Pods
+    #     value: 2
+    #     periodSeconds: 60
+  metrics: []
+
+# -- Deploy a PodDisruptionBudget
+# ref: <https://kubernetes.io/docs/tasks/run-application/configure-pdb/>
+pdb:
+  # -- Enable PodDisruptionBudget
+  enabled: false
+  # -- Labels to be added to pdb
+  labels: {}
+  # -- Annotations to be added to pdb
+  annotations: {}
+  # -- Number of pods that are available after eviction as number or percentage (eg.: 50%)
+  minAvailable: 1
+  # -- Number of pods that are unavailable after eviction as number or percentage (eg.: 50%).
+  ## Has higher precedence over `controller.pdb.minAvailable`
+  maxUnavailable: ""
+
 # -- Extra resources to deploy with Open WebUI
 extraResources:
   []