Intial Commit for SGLang Helm Chart added to EI

Signed-off-by: vinayK34 <vinay3.kumar@intel.com>

Author: vinayK34

core/helm-charts/sglang/Chart.yaml

@@ -0,0 +1,10 @@
+# Copyright (C) 2025-2026 Intel Corporation
+# SPDX-License-Identifier: Apache-2.0
+
+apiVersion: v2
+name: sglang
+description: The Helm chart for sglang Inference Server
+type: application
+version: 0-latest
+# The sglang version
+appVersion: "0.5"

core/helm-charts/sglang/ci-values.yaml

@@ -0,0 +1,3 @@
+# Copyright (C) 2025-2026 Intel Corporation
+# SPDX-License-Identifier: Apache-2.0
+values.yaml

core/helm-charts/sglang/templates/_helpers.tpl

@@ -0,0 +1,71 @@
+{{/*
+Expand the name of the chart.
+*/}}
+{{- define "sglang.name" -}}
+{{- default .Chart.Name .Values.nameOverride | trunc 63 | trimSuffix "-" }}
+{{- end }}
+
+{{/*
+Create a default fully qualified app name.
+We truncate at 63 chars because some Kubernetes name fields are limited to this (by the DNS naming spec).
+If release name contains chart name it will be used as a full name.
+*/}}
+{{- define "sglang.fullname" -}}
+{{- if .Values.fullnameOverride }}
+{{- .Values.fullnameOverride | trunc 63 | trimSuffix "-" }}
+{{- else }}
+{{- $name := default .Chart.Name .Values.nameOverride }}
+{{- if contains $name .Release.Name }}
+{{- .Release.Name | trunc 63 | trimSuffix "-" }}
+{{- else }}
+{{- printf "%s-%s" .Release.Name $name | trunc 63 | trimSuffix "-" }}
+{{- end }}
+{{- end }}
+{{- end }}
+
+{{/*
+Create chart name and version as used by the chart label.
+*/}}
+{{- define "sglang.chart" -}}
+{{- printf "%s-%s" .Chart.Name .Chart.Version | replace "+" "_" | trunc 63 | trimSuffix "-" }}
+{{- end }}
+
+{{/*
+Convert chart name to a string suitable as metric prefix
+*/}}
+{{- define "sglang.metricPrefix" -}}
+{{- include "sglang.fullname" . | replace "-" "_" | regexFind "[a-zA-Z_:][a-zA-Z0-9_:]*" }}
+{{- end }}
+
+{{/*
+Common labels
+*/}}
+{{- define "sglang.labels" -}}
+helm.sh/chart: {{ include "sglang.chart" . }}
+{{ include "sglang.selectorLabels" . }}
+{{- if .Chart.AppVersion }}
+app.kubernetes.io/version: {{ .Chart.AppVersion | quote }}
+{{- end }}
+app.kubernetes.io/managed-by: {{ .Release.Service }}
+{{- end }}
+
+{{/*
+Selector labels
+*/}}
+{{- define "sglang.selectorLabels" -}}
+app.kubernetes.io/name: {{ include "sglang.name" . }}
+app.kubernetes.io/instance: {{ .Release.Name }}
+{{- end }}
+
+{{/*
+Create the name of the service account to use
+*/}}
+{{- define "sglang.serviceAccountName" -}}
+{{- if .Values.global.sharedSAName }}
+{{- .Values.global.sharedSAName }}
+{{- else if .Values.serviceAccount.create }}
+{{- default (include "sglang.fullname" .) .Values.serviceAccount.name }}
+{{- else }}
+{{- default "default" .Values.serviceAccount.name }}
+{{- end }}
+{{- end }}

core/helm-charts/sglang/templates/apisixroutes.yaml

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+# Copyright (C) 2025-2026 Intel Corporation
+# SPDX-License-Identifier: Apache-2.0
+{{- if .Values.apisix.enabled }}
+{{- $modelName := (default .Values.LLM_MODEL_ID .Values.SERVED_MODEL_NAME) | splitList "/" | last }}
+apiVersion: apisix.apache.org/v2
+kind: ApisixRoute
+metadata:
+  name: {{ include "sglang.fullname" . }}-apisixroute
+  namespace: default
+spec:
+  http:
+  - name: {{ include "sglang.fullname" . }}-apisixroute
+    match:
+      hosts:
+      - {{ .Values.route.host | default .Values.ingress.host }}
+      paths:
+      # - /{{ $modelName }}/*
+      
+    backends:
+    - serviceName: {{ include "sglang.fullname" . }}-service
+      servicePort: {{- if .Values.route.enabled }}
+                     sglang
+                   {{- else }}
+                     80
+                   {{- end }}
+    plugins:
+    - name: openid-connect
+      enable: true
+      secretRef: {{ include "sglang.fullname" . }}-secret
+      config:
+        discovery: {{ .Values.oidc.discovery }}
+        {{- if or (eq .Values.platform "openshift") (eq .Values.platform "eks") }}
+        use_jwks: {{ .Values.oidc.use_jwks }}
+        {{- else }}
+        introspection_endpoint: {{ .Values.oidc.introspection_endpoint }}
+        introspection_endpoint_auth_method: client_secret_basic
+        {{- end }}
+        scope: openid profile email
+        bearer_only: true
+        realm: master
+    - name: proxy-rewrite
+      enable: true
+      config:
+        regex_uri:
+          
+          - /$1
+          # - ^/{{ $modelName }}/(.*)
+          # - /$1
+        headers:
+          Content-Type: application/json
+{{- end }}

core/helm-charts/sglang/templates/configmap.yaml

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+# Copyright (C) 2025-2026 Intel Corporation
+# SPDX-License-Identifier: Apache-2.0
+{{- $modelName := (default .Values.LLM_MODEL_ID .Values.SERVED_MODEL_NAME) }}
+apiVersion: v1
+kind: ConfigMap
+metadata:
+  name: {{ include "sglang.fullname" . }}-config
+  labels:
+    {{- include "sglang.labels" . | nindent 4 }}
+data:
+  {{- if .Values.global.HF_ENDPOINT }}
+  HF_ENDPOINT: {{ .Values.global.HF_ENDPOINT | quote}}
+  {{- end }}
+  http_proxy: {{ .Values.global.http_proxy | quote }}
+  https_proxy: {{ .Values.global.https_proxy | quote }}
+  no_proxy: {{ .Values.global.no_proxy | quote }}
+  TORCHINDUCTOR_CACHE_DIR: "/tmp"
+  NUMBA_CACHE_DIR: "/tmp"
+  HF_HOME: "/data"
+  OUTLINES_CACHE_DIR: "/tmp/.cache/outlines"  
+  {{- if .Values.runtime }}
+  runtime: {{ .Values.runtime | quote}}
+  {{- end }}
+
+  {{- $modelConfig := (index .Values.modelConfigs $modelName | default dict).configMapValues | default .Values.defaultModelConfigs.configMapValues }}
+  {{- range $key, $value := $modelConfig }}
+  {{ $key }}: {{ $value | quote }}
+  {{- end }}