//
  // This field was immutable in Kubernetes <= 1.22 and now is mutable.
  //
  // +optional
  // +featureGate=CSIStorageCapacity
  optional bool storageCapacity = 4;

  // fsGroupPolicy defines if the underlying volume supports changing ownership and
  // permission of the volume before being mounted.
  // Refer to the specific FSGroupPolicy values for additional details.
  //
  // This field is immutable.
  //

  // +optional
  repeated string accessModes = 2;

  // capacity represents the actual resources of the underlying volume.
  // +optional
  map<string, k8s.io.apimachinery.pkg.api.resource.Quantity> capacity = 3;

  // conditions is the current Condition of persistent volume claim. If underlying persistent volume is being
  // resized then the Condition will be set to 'ResizeStarted'.
  // +optional

and aggregate telemetry data. Istio's control plane provides an abstraction
layer over the underlying cluster management platform, such as Kubernetes.

Istio is composed of these components:

- **Envoy** - Sidecar proxies per microservice to handle ingress/egress traffic

// Events have a limited retention time and triggers and messages may evolve
// with time.  Event consumers should not rely on the timing of an event
// with a given Reason reflecting a consistent underlying trigger, or the
// continued existence of events with that Reason.  Events should be
// treated as informative, best-effort, supplemental data.
message Event {
  // Standard object's metadata.

|---------|------------|
Telemetry | Prometheus
Telemetry | Prometheus Operator
Telemetry | Grafana
Telemetry | Kiali
Telemetry | Tracing
ThirdParty | CNI

### Namespaces

The `IstioOperatorSpec` API and underlying new Helm charts offer a lot of flexibility in which namespaces features and
components are installed into. Namespace definitions can be defined and specialized at the global, feature and component

  //
  // This field was immutable in Kubernetes <= 1.22 and now is mutable.
  //
  // +optional
  optional bool storageCapacity = 4;

  // fsGroupPolicy defines if the underlying volume supports changing ownership and
  // permission of the volume before being mounted.
  // Refer to the specific FSGroupPolicy values for additional details.
  //
  // This field is immutable.
  //

t ``` manifests/charts/UPDATING-CHARTS.md # Updating charts and values.yaml ## Acceptable Pull Requests Helm charts `values.yaml` represent a complex user facing API that tends to grow uncontrollably over time due to design choices in Helm. The underlying Kubernetes resources we configure have 1000s of fields; given enough users and bespoke use cases, eventually someone will want to customize every one of those fields. If all fields are exposed in `values.yaml`, we end up with an massive API that...

# Updating charts and values.yaml

## Acceptable Pull Requests

Helm charts `values.yaml` represent a complex user facing API that tends to grow uncontrollably over time
due to design choices in Helm.
The underlying Kubernetes resources we configure have 1000s of fields; given enough users and bespoke use cases,
eventually someone will want to customize every one of those fields.

	ret, err := creds.GetRequestMetadata(ctx, uri...)
	if err != nil {
		return err
	}
	for k, v := range ret {
		if !strings.EqualFold(k, "authorization") {
			if _, ok := dst[k]; ok {
				return fmt.Errorf("underlying %s credentials contain a %s header which is already present in the combined credentials", kind, k)
			}
			dst[k] = v
		} else {
			dst[dstHdr] = v
		}
	}
	return nil
}

type hubMembership struct {

  // More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#metadata
  // +optional
  optional k8s.io.apimachinery.pkg.apis.meta.v1.ObjectMeta metadata = 1;

  // handler specifies the underlying runtime and configuration that the CRI
  // implementation will use to handle pods of this class. The possible values
  // are specific to the node & CRI configuration.  It is assumed that all