feat(charts): Add Gateway API HTTPRoute resources for API and UI

Signed-off-by: Victor Hang <victor@stackhpc.com>

Author: Banh-Canh

charts/azimuth-llm/templates/api/httproute.yml

@@ -0,0 +1,29 @@
+{{- if and .Values.api.enabled .Values.api.httpRoute.enabled -}}
+apiVersion: gateway.networking.k8s.io/v1
+kind: HTTPRoute
+metadata:
+  name: {{ printf "%s-api" .Release.Name }}
+  labels:
+    {{- include "azimuth-llm.labels" . | nindent 4 }}
+  {{- with .Values.api.httpRoute.annotations }}
+  annotations:
+    {{- toYaml . | nindent 4 }}
+  {{- end }}
+spec:
+  {{- with .Values.api.httpRoute.parentRefs }}
+  parentRefs:
+    {{- toYaml . | nindent 4 }}
+  {{- end }}
+  {{- with .Values.api.httpRoute.hostnames }}
+  hostnames:
+    {{- toYaml . | nindent 4 }}
+  {{- end }}
+  rules:
+    {{- range .Values.api.httpRoute.rules }}
+    - {{ with .matches }}matches:
+        {{- toYaml . | nindent 8 }}
+      {{ end }}backendRefs:
+        - name: {{ $.Release.Name }}-api
+          port: 80
+    {{- end }}
+{{- end }}

charts/azimuth-llm/templates/ui/httproute.yml

@@ -0,0 +1,29 @@
+{{- if and .Values.ui.enabled .Values.ui.httpRoute.enabled -}}
+apiVersion: gateway.networking.k8s.io/v1
+kind: HTTPRoute
+metadata:
+  name: {{ printf "%s-ui" .Release.Name }}
+  labels:
+    {{- include "azimuth-llm.labels" . | nindent 4 }}
+  {{- with .Values.ui.httpRoute.annotations }}
+  annotations:
+    {{- toYaml . | nindent 4 }}
+  {{- end }}
+spec:
+  {{- with .Values.ui.httpRoute.parentRefs }}
+  parentRefs:
+    {{- toYaml . | nindent 4 }}
+  {{- end }}
+  {{- with .Values.ui.httpRoute.hostnames }}
+  hostnames:
+    {{- toYaml . | nindent 4 }}
+  {{- end }}
+  rules:
+    {{- range .Values.ui.httpRoute.rules }}
+    - {{ with .matches }}matches:
+        {{- toYaml . | nindent 8 }}
+      {{ end }}backendRefs:
+        - name: {{ $.Release.Name }}-ui
+          port: 80
+    {{- end }}
+{{- end }}

charts/azimuth-llm/values.yaml

@@ -1,7 +1,6 @@
 # Default values for azimuth-llm.
 # This is a YAML-formatted file.
 # Declare variables to be passed into your templates.
-
 huggingface:
   # The name of the HuggingFace model to use
   # Use a yaml anchor to avoid duplication elsewhere
@@ -69,6 +68,22 @@ api:
     #  - secretName: chart-example-tls
     #    hosts:
     #      - chart-example.local
+
+  # Gateway API HTTPRoute resource config for backend API
+  httpRoute:
+    enabled: true
+    annotations: {}
+    parentRefs:
+      - name: my-gateway
+        namespace: default
+        sectionName: https
+    hostnames:
+      - chart-example.local
+    rules:
+      - matches:
+          - path:
+              type: PathPrefix
+              value: /v1
   # Config for huggingface model cache volume
   # This is mounted at /root/.cache/huggingface in the api deployment
   cacheVolume:
@@ -173,6 +188,21 @@ ui:
     #  - secretName: chart-example-tls
     #    hosts:
     #      - chart-example.local
+  # Gateway API HTTPRoute resource config for UI web app
+  httpRoute:
+    enabled: false
+    annotations: {}
+    parentRefs:
+      - name: my-gateway
+        namespace: default
+        sectionName: https
+    hostnames:
+      - chart-example.local
+    rules:
+      - matches:
+          - path:
+              type: PathPrefix
+              value: /
   # The update strategy to use for the deployment
   updateStrategy:
     rollingUpdate: