## Introduction

The operator uses the [IstioOperator API](https://github.com/istio/api/blob/master/operator/v1alpha1/operator.proto), which has
three main components:

- [MeshConfig](https://github.com/istio/api/blob/master/mesh/v1alpha1/config.proto) for runtime config consumed directly by Istio
control plane components.

}

// GroupSubject holds detailed information for group-kind subject.
message GroupSubject {
  // name is the user group that matches, or "*" to match all user groups.
  // See https://github.com/kubernetes/apiserver/blob/master/pkg/authentication/user/user.go for some
  // well-known group names.
  // Required.
  optional string name = 1;
}

// LimitResponse defines how to handle requests that can not be executed right now.
// +union

}

// GroupSubject holds detailed information for group-kind subject.
message GroupSubject {
  // name is the user group that matches, or "*" to match all user groups.
  // See https://github.com/kubernetes/apiserver/blob/master/pkg/authentication/user/user.go for some
  // well-known group names.
  // Required.
  optional string name = 1;
}

// LimitResponse defines how to handle requests that can not be executed right now.
// +union

$(error VERSION not detected. Make sure it's stored in the VERSION file or defined in VERSION variable)
endif
VERSION := $(VERSION_FROM_FILE)-dev
endif

export VERSION

# Base version of Istio image to use
BASE_VERSION ?= master-2024-05-08T18-51-53
ISTIO_BASE_REGISTRY ?= gcr.io/istio-release

export GO111MODULE ?= on
export GOPROXY ?= https://proxy.golang.org
export GOSUMDB ?= sum.golang.org

1. [IstioOperatorSpec API](#istiooperatorspec-api) and related infrastructure, which is expressed as a
[proto](https://github.com/istio/api/blob/master/operator/v1alpha1/operator.proto) and
compiled to [Go
structs](https://github.com/istio/api/blob/master/operator/v1alpha1/operator.pb.go).
`IstioOperatorSpec` has pass-through fields to the Helm values.yaml API, but these are additionally validated through

}

// GroupSubject holds detailed information for group-kind subject.
message GroupSubject {
  // name is the user group that matches, or "*" to match all user groups.
  // See https://github.com/kubernetes/apiserver/blob/master/pkg/authentication/user/user.go for some
  // well-known group names.
  // Required.
  optional string name = 1;
}

// LimitResponse defines how to handle requests that can not be executed right now.
// +union

}

// GroupSubject holds detailed information for group-kind subject.
message GroupSubject {
  // name is the user group that matches, or "*" to match all user groups.
  // See https://github.com/kubernetes/apiserver/blob/master/pkg/authentication/user/user.go for some
  // well-known group names.
  // Required.
  optional string name = 1;
}

// LimitResponse defines how to handle requests that can not be executed right now.
// +union