Add inferencepool chart push mechanics

Author: ahg-g

Diff for: Makefile

@@ -28,7 +28,8 @@ IMAGE_BUILD_CMD ?= $(DOCKER_BUILDX_CMD) build
 IMAGE_BUILD_EXTRA_OPTS ?=
 SYNCER_IMAGE_BUILD_EXTRA_OPTS ?=
 BBR_IMAGE_BUILD_EXTRA_OPTS ?=
-IMAGE_REGISTRY ?= us-central1-docker.pkg.dev/k8s-staging-images/gateway-api-inference-extension
+STAGING_IMAGE_REGISTRY ?= us-central1-docker.pkg.dev/k8s-staging-images
+IMAGE_REGISTRY ?= $(STAGING_IMAGE_REGISTRY)/gateway-api-inference-extension
 IMAGE_NAME := epp
 IMAGE_REPO ?= $(IMAGE_REGISTRY)/$(IMAGE_NAME)
 IMAGE_TAG ?= $(IMAGE_REPO):$(GIT_TAG)
@@ -291,6 +292,12 @@ install: manifests kustomize ## Install CRDs into the K8s cluster specified in ~
 uninstall: manifests kustomize ## Uninstall CRDs from the K8s cluster specified in ~/.kube/config. Call with ignore-not-found=true to ignore resource not found errors during deletion.
 	$(KUSTOMIZE) build config/crd | $(KUBECTL) delete --ignore-not-found=$(ignore-not-found) -f -
 
+
+##@ Helm
+PHONY: inferencepool-helm-chart-push
+inferencepool-helm-chart-push: yq helm
+	CHART=inferencepool EXTRA_TAG="$(EXTRA_TAG)" IMAGE_REGISTRY="$(IMAGE_REGISTRY)" YQ="$(YQ)" HELM="$(HELM)" ./hack/push-chart.sh
+
 ##@ Release
 
 .PHONY: release-quickstart
@@ -320,12 +327,15 @@ KUSTOMIZE ?= $(LOCALBIN)/kustomize
 CONTROLLER_GEN ?= $(LOCALBIN)/controller-gen
 ENVTEST ?= $(LOCALBIN)/setup-envtest
 GOLANGCI_LINT = $(LOCALBIN)/golangci-lint
+HELM = $(PROJECT_DIR)/bin/helm
+YQ = $(PROJECT_DIR)/bin/yq
 
 ## Tool Versions
 KUSTOMIZE_VERSION ?= v5.4.3
 CONTROLLER_TOOLS_VERSION ?= v0.16.1
 ENVTEST_VERSION ?= release-0.19
 GOLANGCI_LINT_VERSION ?= v1.62.2
+HELM_VERSION ?= v3.17.1
 
 .PHONY: kustomize
 kustomize: $(KUSTOMIZE) ## Download kustomize locally if necessary.
@@ -347,6 +357,14 @@ golangci-lint: $(GOLANGCI_LINT) ## Download golangci-lint locally if necessary.
 $(GOLANGCI_LINT): $(LOCALBIN)
 	$(call go-install-tool,$(GOLANGCI_LINT),github.com/golangci/golangci-lint/cmd/golangci-lint,$(GOLANGCI_LINT_VERSION))
 
+.PHONY: yq
+yq: ## Download yq locally if necessary.
+	GOBIN=$(PROJECT_DIR)/bin GO111MODULE=on go install github.com/mikefarah/yq/[email protected]
+
+.PHONY: helm
+helm: ## Download helm locally if necessary.
+	GOBIN=$(PROJECT_DIR)/bin GO111MODULE=on go install helm.sh/helm/v3/cmd/helm@$(HELM_VERSION)
+
 # go-install-tool will 'go install' any package with custom target and name of binary, if it doesn't exist
 # $1 - target path with name of binary
 # $2 - package url which can be installed

Diff for: cloudbuild.yaml

@@ -20,6 +20,13 @@ steps:
     - GIT_TAG=$_GIT_TAG
     - EXTRA_TAG=$_PULL_BASE_REF
     - DOCKER_BUILDX_CMD=/buildx-entrypoint
+  - name: gcr.io/k8s-testimages/gcb-docker-gcloud:v20220830-45cbff55bc
+    entrypoint: make
+    args:
+      - inferencepool-helm-chart-push
+    env:
+    - GIT_TAG=$_GIT_TAG
+    - EXTRA_TAG=$_PULL_BASE_REF
   - name: gcr.io/k8s-testimages/gcb-docker-gcloud:v20220830-45cbff55bc
     entrypoint: make
     args:

Diff for: config/charts/inferencepool/Chart.yaml

@@ -1,5 +1,5 @@
 apiVersion: v2
-name: InferencePool
+name: inferencepool
 description: A Helm chart for InferencePool
 
 type: application

Diff for: hack/push-chart.sh

@@ -0,0 +1,47 @@
+#!/usr/bin/env bash
+
+# Copyright 2025 The Kubernetes Authors.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+set -o errexit
+set -o nounset
+set -o pipefail
+
+DEST_CHART_DIR=${DEST_CHART_DIR:-bin/}
+
+EXTRA_TAG=${EXTRA_TAG:-$(git branch --show-current)} 
+GIT_TAG=${GIT_TAG:-$(git tag | sort | grep -v rc | tail -n1)-$(git describe --tags --dirty --always)}
+
+STAGING_IMAGE_REGISTRY=${STAGING_IMAGE_REGISTRY:-us-central1-docker.pkg.dev/k8s-staging-images}
+IMAGE_REGISTRY=${IMAGE_REGISTRY:-${STAGING_IMAGE_REGISTRY}/gateway-api-inference-extension}
+HELM_CHART_REPO=${HELM_CHART_REPO:-${STAGING_IMAGE_REGISTRY}/gateway-api-inference-extension/charts}
+CHART=${CHART:-inferencepool}
+
+HELM=${HELM:-./bin/helm}
+
+readonly semver_regex='^v([0-9]+)(\.[0-9]+){1,2}$'
+
+chart_version=${GIT_TAG}
+if [[ ${EXTRA_TAG} =~ ${semver_regex} ]]
+then
+  ${YQ} -i '.inferenceExtension.image.tag=strenv(EXTRA_TAG)' config/charts/inferencepool/values.yaml
+  chart_version=${EXTRA_TAG}
+fi
+
+# Create the package
+${HELM} package --version "${chart_version}" --app-version "${chart_version}" "config/charts/${CHART}" -d "${DEST_CHART_DIR}"
+
+# Push the package
+echo "pushing chart to ${HELM_CHART_REPO}"
+${HELM} push "bin/${CHART}-${chart_version}.tgz" "oci://${HELM_CHART_REPO}"