When fetching certificates, ztunnel will authenticate to the CA with its own identity, but request the identity of another workload.
Critically, the CA must enforce that the ztunnel has permission to request that identity.
Requests for identities not running on the node are rejected.
This is critical to ensure that a compromised node does not compromise the entire mesh.

  // Required.
  optional string name = 1;

  // ClientConfig defines how to communicate with the hook.
  // Required
  optional WebhookClientConfig clientConfig = 2;

  // Rules describes what operations on what resources/subresources the webhook cares about.
  // The webhook cares about an operation if it matches _any_ Rule.
  // However, in order to prevent ValidatingAdmissionWebhooks and MutatingAdmissionWebhooks

  optional string reportingInstance = 5;

  // action is what action was taken/failed regarding to the regarding object. It is machine-readable.
  // This field cannot be empty for new Events and it can have at most 128 characters.
  optional string action = 6;

  // reason is why the action was taken. It is human-readable.

  // scope specifies the scope of this rule.
  // Valid values are "Cluster", "Namespaced", and "*"
  // "Cluster" means that only cluster-scoped resources will match this rule.
  // Namespace API objects are cluster-scoped.
  // "Namespaced" means that only namespaced resources will match this rule.
  // "*" means that there are no scope restrictions.
  // Subresources match the scope of their parent resource.
  // Default is "*".
  //

// are responsible for serializing and deserializing the objects that contain
// their internal state.
// Once a ControllerRevision has been successfully created, it can not be updated.
// The API Server will fail validation of all requests that attempt to mutate
// the Data field. ControllerRevisions may, however, be deleted. Note that, due to its use by both

  // DriverName defines the name of the dynamic resource driver that is
  // used for allocation of a ResourceClaim that uses this class.
  //
  // Resource drivers have a unique name in forward domain order
  // (acme.example.com).
  optional string driverName = 2;

  // ParametersRef references an arbitrary separate object that may hold
  // parameters that will be used by the driver when allocating a

{{- /* Core defines the common configuration used by all webhook segments */}}
{{/* Copy just what we need to avoid expensive deepCopy */}}
{{- $whv := dict
 "revision" .Values.revision
  "injectionPath" .Values.istiodRemote.injectionPath
  "injectionURL" .Values.istiodRemote.injectionURL
  "reinvocationPolicy" .Values.sidecarInjectorWebhook.reinvocationPolicy
  "caBundle" .Values.istiodRemote.injectionCABundle
  "namespace" .Release.Namespace }}

{{- /* Core defines the common configuration used by all webhook segments */}}
{{/* Copy just what we need to avoid expensive deepCopy */}}
{{- $whv := dict
 "revision" .Values.revision
  "injectionPath" .Values.istiodRemote.injectionPath
  "injectionURL" .Values.istiodRemote.injectionURL
  "reinvocationPolicy" .Values.sidecarInjectorWebhook.reinvocationPolicy
  "caBundle" .Values.istiodRemote.injectionCABundle
  "namespace" .Release.Namespace }}

  // If you specify "User" but not "Group", then is it interpreted as "What if User were not a member of any groups
  // +optional
  optional string user = 3;

  // Groups is the groups you're testing for.
  // +optional
  repeated string group = 4;

  // Extra corresponds to the user.Info.GetExtra() method from the authenticator.  Since that is input to the authorizer
  // it needs a reflection here.
  // +optional

# Adapted from istio-discovery/templates/mutatingwebhook.yaml
# Removed paths for legacy and default selectors since a revision tag
# is inherently created from a specific revision
{{/* Copy just what we need to avoid expensive deepCopy */}}
{{- $whv := dict
 "revision" .Values.revision
  "injectionURL" .Values.istiodRemote.injectionURL
  "namespace" .Release.Namespace }}
{{- define "core" }}
- name: {{.Prefix}}sidecar-injector.istio.io
  clientConfig: