Add support for GKE Gateway API (#359)

* Add GKE Support

* bump version. ran pre-commit run -a

---------

Co-authored-by: Marcel Wysocki <[email protected]>

Author: maci0

chart-dependencies/gke-l7-regional-external-managed/install.sh

@@ -0,0 +1 @@
+#!/usr/bin/env bash

chart-dependencies/gke-l7-rilb/install.sh

@@ -0,0 +1 @@
+#!/usr/bin/env bash

charts/llm-d/Chart.yaml

@@ -1,7 +1,7 @@
 apiVersion: v2
 name: llm-d
 type: application
-version: 1.0.20
+version: 1.0.21
 appVersion: "0.1"
 icon: data:image/svg+xml;base64,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
 description: llm-d is a Kubernetes-native high-performance distributed LLM inference framework

charts/llm-d/README.md

@@ -1,7 +1,7 @@
 
 # llm-d Helm Chart
 
-![Version: 1.0.20](https://img.shields.io/badge/Version-1.0.20-informational?style=flat-square)
+![Version: 1.0.21](https://img.shields.io/badge/Version-1.0.21-informational?style=flat-square)
 ![Type: application](https://img.shields.io/badge/Type-application-informational?style=flat-square)
 
 llm-d is a Kubernetes-native high-performance distributed LLM inference framework
@@ -150,7 +150,7 @@ Kubernetes: `>= 1.30.0-0`
 | gateway.annotations | Additional annotations provided to the Gateway resource | object | `{}` |
 | gateway.enabled | Deploy resources related to Gateway | bool | `true` |
 | gateway.fullnameOverride | String to fully override gateway.fullname | string | `""` |
-| gateway.gatewayClassName | Gateway class that determines the backend used Currently supported values: "kgateway" or "istio" | string | `"istio"` |
+| gateway.gatewayClassName | Gateway class that determines the backend used. Currently supported values: "istio", "kgateway", "gke-l7-rilb", or "gke-l7-regional-external-managed" | string | `"istio"` |
 | gateway.nameOverride | String to partially override gateway.fullname | string | `""` |
 | gateway.serviceType | Gateway's service type. Ingress is only available if the service type is set to NodePort. Accepted values: ["LoadBalancer", "NodePort"] | string | `"NodePort"` |
 | global | Global parameters Global Docker image parameters Please, note that this will override the image parameters, including dependencies, configured to use the global value Current available global Docker image parameters: imageRegistry, imagePullSecrets and storageClass | object | See below |

charts/llm-d/templates/inference-gateway/_helpers.tpl

@@ -9,3 +9,14 @@ Create a default fully qualified app name for inferenceGateway.
     {{- printf "%s-%s" .Release.Name $name | trunc 63 | trimSuffix "-" -}}
   {{- end -}}
 {{- end -}}
+
+{{/*
+Resolve gateway class name
+*/}}
+{{- define "gateway.className" -}}
+  {{- if contains "gke-l7" .Values.gateway.gatewayClassName -}}
+    {{- print .Values.gateway.gatewayClassName -}}
+  {{- else -}}
+    {{- .Values.gateway.gatewayClassName -}}
+  {{- end -}}
+{{- end -}}

charts/llm-d/templates/sample-application/httproutes.yaml

@@ -25,7 +25,55 @@ spec:
           kind: InferencePool
           name: "{{ include "sampleApplication.sanitizedModelName" . }}-inference-pool"
           port: {{ .Values.sampleApplication.inferencePoolPort }}
+      {{- if not (contains "gke-l7" .Values.gateway.gatewayClassName) }}
       timeouts:
         backendRequest: "0s"
         request: "0s"
+      {{- end }}
+{{- end }}
+
+{{- if and .Values.gateway.enabled .Values.sampleApplication.enabled (contains "gke-l7" .Values.gateway.gatewayClassName) }}
+---
+apiVersion: networking.gke.io/v1
+kind: GCPBackendPolicy
+metadata:
+  name: {{ include "sampleApplication.sanitizedModelName" . }}-backend-policy
+  namespace: {{ .Release.Namespace }}
+  labels: {{ include "common.labels.standard" $ | nindent 4 }}
+    app.kubernetes.io/component: sample-application
+    {{- if $.Values.commonLabels }}
+    {{- include "common.tplvalues.render" ( dict "value" $.Values.commonLabels "context" $ ) | nindent 4 }}
+    {{- end }}
+  annotations:
+    {{- if $.Values.commonAnnotations }}
+    {{- include "common.tplvalues.render" ( dict "value" $.Values.commonAnnotations "context" $ ) | nindent 4 }}
+    {{- end }}
+spec:
+  default:
+    logging:
+      enabled: true
+    timeoutSec: 300
+  targetRef:
+    group: inference.networking.x-k8s.io
+    kind: InferencePool
+    name: "{{ include "sampleApplication.sanitizedModelName" . }}-inference-pool"
+---
+apiVersion: networking.gke.io/v1
+kind: HealthCheckPolicy
+metadata:
+  name: {{ include "sampleApplication.sanitizedModelName" . }}-health-check-policy
+  namespace: {{ .Release.Namespace }}
+  labels: {{ include "common.labels.standard" $ | nindent 4 }}
+    app.kubernetes.io/component: sample-application
+spec:
+  targetRef:
+    group: "inference.networking.x-k8s.io"
+    kind: InferencePool
+    name: "{{ include "sampleApplication.sanitizedModelName" . }}-inference-pool"
+  default:
+    config:
+      type: HTTP
+      httpHealthCheck:
+          requestPath: /health
+          port: {{ .Values.sampleApplication.inferencePoolPort }}
 {{- end }}

charts/llm-d/values.schema.json

@@ -69,7 +69,7 @@
                 },
                 "gatewayClassName": {
                     "default": "istio",
-                    "description": "Gateway class that determines the backend used Currently supported values: \"kgateway\" or \"istio\"",
+                    "description": "Gateway class that determines the backend used. Currently supported values: \"istio\", \"kgateway\", \"gke-l7-rilb\", or \"gke-l7-regional-external-managed\"",
                     "required": [],
                     "title": "gatewayClassName"
                 },

charts/llm-d/values.schema.tmpl.json

@@ -69,7 +69,7 @@
         },
         "gatewayClassName": {
           "default": "istio",
-          "description": "Gateway class that determines the backend used Currently supported values: \"kgateway\" or \"istio\"",
+          "description": "Gateway class that determines the backend used. Currently supported values: \"istio\", \"kgateway\", \"gke-l7-rilb\", or \"gke-l7-regional-external-managed\"",
           "required": [],
           "title": "gatewayClassName"
         },

charts/llm-d/values.yaml

@@ -191,8 +191,8 @@ gateway:
   # -- String to partially override gateway.fullname
   nameOverride: ""
 
-  # -- Gateway class that determines the backend used
-  # Currently supported values: "kgateway" or "istio"
+  # -- Gateway class that determines the backend used.
+  # Currently supported values: "istio", "kgateway", "gke-l7-rilb", or "gke-l7-regional-external-managed"
   gatewayClassName: istio
 
   # @schema

quickstart/README.md

@@ -121,6 +121,7 @@ The installer needs to be run from the `llm-d-deployer/quickstart` directory as
 | `-t`, `--download-timeout`           | Timeout for model download job                                | `./llmd-installer.sh --download-timeout`                         |
 | `-D`, `--download-model`             | Download the model to PVC from Hugging Face                   | `./llmd-installer.sh --download-model`                           |
 | `-m`, `--disable-metrics-collection` | Disable metrics collection (Prometheus will not be installed) | `./llmd-installer.sh --disable-metrics-collection`               |
+| `-j`, `--gateway`                    | Select gateway type (istio, kgateway, gke-l7-rilb, gke-l7-regional-external-managed) (default: istio) | `./llm-installer.sh --gateway gke-l7-rilb`                      |
 | `-h`, `--help`                       | Show this help and exit                                       | `./llmd-installer.sh --help`                                     |
 
 ## Examples