John Howard <******@****.***> 1715194251 -0700

# BASE_DISTRIBUTION is used to switch between the old base distribution and distroless base images
ARG BASE_DISTRIBUTION=debug

# Version is the base image version from the TLD Makefile
ARG BASE_VERSION=latest
ARG ISTIO_BASE_REGISTRY=gcr.io/istio-release

# The following section is used as base image if BASE_DISTRIBUTION=debug
FROM ${ISTIO_BASE_REGISTRY}/base:${BASE_VERSION} as debug

  popd
}

# ztunnel binary vars (TODO handle debug builds, arm, darwin etc.)
ISTIO_ZTUNNEL_BASE_URL="${ISTIO_ZTUNNEL_BASE_URL:-https://storage.googleapis.com/istio-build/ztunnel}"

# If we are not using the default, assume its private and we need to authenticate
if [[ "${ISTIO_ZTUNNEL_BASE_URL}" != "https://storage.googleapis.com/istio-build/ztunnel" ]]; then

# Deprecated. Use the "remote" profile instead.
apiVersion: install.istio.io/v1alpha1
kind: IstioOperator
spec:
  components:
    base:
      enabled: false
    pilot:
      enabled: false
    ingressGateways:
    - name: istio-ingressgateway
      enabled: false
    istiodRemote:
      enabled: true
  values:
    global:
      externalIstiod: true
      omitSidecarInjectorConfigMap: true
      configCluster: false

${TARGET_OUT}/release/istioctl.bash: ${LOCAL_OUT}/istioctl
	${LOCAL_OUT}/istioctl completion bash > ${TARGET_OUT}/release/istioctl.bash

${TARGET_OUT}/release/_istioctl: ${LOCAL_OUT}/istioctl
	${LOCAL_OUT}/istioctl completion zsh > ${TARGET_OUT}/release/_istioctl

.PHONY: binaries-test
binaries-test:
	go test ${GOBUILDFLAGS} ./tests/binary/... -v --base-dir ${TARGET_OUT} --binaries="$(RELEASE_SIZE_TEST_BINARIES)"

    release: {{ .Release.Name }}
    istio: istiod
    istio.io/rev: {{ .Values.defaultRevision | quote }}
webhooks:
  - name: validation.istio.io
    clientConfig:
      {{- if .Values.base.validationURL }}
      url: {{ .Values.base.validationURL }}
      {{- else }}
      service:
        {{- if (eq .Values.defaultRevision "default") }}
        name: istiod
        {{- else }}
        name: istiod-{{ .Values.defaultRevision }}

# Envoy binary variables
ISTIO_ENVOY_BASE_URL="${ISTIO_ENVOY_BASE_URL:-https://storage.googleapis.com/istio-build/proxy}"

# If we are not using the default, assume its private and we need to authenticate
if [[ "${ISTIO_ENVOY_BASE_URL}" != "https://storage.googleapis.com/istio-build/proxy" ]]; then
  AUTH_HEADER="Authorization: Bearer $(gcloud auth print-access-token)"

# prepare a distroless source context to copy files from
FROM gcr.io/distroless/static-debian11@sha256:9be3fcc6abeaf985b5ecce59451acbcbb15e7be39472320c538d0d55a0834edc as distroless_source

# prepare a base dev to modify file contents
FROM ubuntu:noble as ubuntu_source

# Modify contents of container
COPY --from=distroless_source /etc/ /home/etc
COPY --from=distroless_source /home/nonroot /home/nonroot
RUN echo istio-proxy:x:1337: >> /home/etc/group

1) `base` chart creates cluster-wide CRDs, cluster bindings and cluster resources. It is possible to change the namespace from `istio-system` but it is not recommended.

```console
helm install istio-base -n istio-system manifests/charts/base --set profile=openshift
```

	creds, err := google.FindDefaultCredentials(ctx, "https://www.googleapis.com/auth/cloud-platform")
	if err != nil {
		return nil, fmt.Errorf("finding default GCP credentials: %w", err)
	}
	return &oauth2.Transport{
		Base:   tr,
		Source: creds.TokenSource,
	}, nil