// The v1.22+ in-tree implementations of the well-known Kubernetes signers will
  // honor this field as long as the requested duration is not greater than the
  // maximum duration they will honor per the --cluster-signing-duration CLI
  // flag to the Kubernetes controller manager.
  //
  // Certificate signers may not honor this field for various reasons:
  //
  //   1. Old signer that is unaware of the field (such as the in-tree

// It can be optionally associated with a particular assigner, in which case it
// contains one valid set of trust anchors for that signer. Signers may have
// multiple associated ClusterTrustBundles; each is an independent set of trust
// anchors for that signer. Admission control is used to enforce that only users
// with permissions on the signer can create or modify the corresponding bundle.
message ClusterTrustBundle {
  // metadata contains the object metadata.

  volumes: []

  # A list of `VolumeMounts` added into the Gateway Pods. See
  # https://kubernetes.io/docs/concepts/storage/volumes/.
  volumeMounts: []

  # Configure this to a higher priority class in order to make sure your Istio gateway pods
  # will not be killed because of low priority class.
  # Refer to https://kubernetes.io/docs/concepts/configuration/pod-priority-preemption/#priorityclass

  // that may be executing at a time --- for each such priority
  // level:
  //
  //             ACV(l) = ceil( SCL * ACS(l) / ( sum[priority levels k] ACS(k) ) )
  //
  // bigger numbers of ACS mean more reserved concurrent requests (at the
  // expense of every other PL).
  // This field has a default value of 30.
  // +optional
  optional int32 assuredConcurrencyShares = 1;

  // that may be executing at a time --- for each such priority
  // level:
  //
  //             ACV(l) = ceil( SCL * ACS(l) / ( sum[priority levels k] ACS(k) ) )
  //
  // bigger numbers of ACS mean more reserved concurrent requests (at the
  // expense of every other PL).
  // This field has a default value of 30.
  // +optional
  optional int32 assuredConcurrencyShares = 1;

  // mounted only with a single SELinux context.
  //
  // When "false", Kubernetes won't pass any special SELinux mount options to the driver.
  // This is typical for volumes that represent subdirectories of a bigger shared filesystem.
  //
  // Default is "false".
  //
  // +featureGate=SELinuxMountReadWriteOncePod
  // +optional
  optional bool seLinuxMount = 8;
}

into the Gateway Pods. See # https://kubernetes.io/docs/concepts/storage/volumes/. volumes: [] # A list of `VolumeMounts` added into the Gateway Pods. See # https://kubernetes.io/docs/concepts/storage/volumes/. volumeMounts: [] # Configure this to a higher priority class in order to make sure your Istio gateway pods # will not be killed because of low priority class. # Refer to https://kubernetes.io/docs/concepts/configuration/pod-priority-preemption/#priorityclass # for more detail. priorityClassName:...

		// TODO: https://github.com/istio/istio/issues/41937
		grpc.WithTransportCredentials(credentials.NewTLS(
			&tls.Config{
				// Always skip verifying, because without it we always get "certificate signed by unknown authority".
				// We don't set the XDSSAN for the same reason.
				InsecureSkipVerify: true,
			})),
		grpc.WithPerRPCCredentials(k8sCreds),
	}, nil

      - "certificatesigningrequests/approval"
      - "certificatesigningrequests/status"
    verbs: ["update", "create", "get", "delete", "watch"]
  - apiGroups: ["certificates.k8s.io"]
    resources:
      - "signers"
    resourceNames:
{{- range .Values.global.certSigners }}
    - {{ . | quote }}
{{- end }}
    verbs: ["approve"]
{{- end}}

  # Used by Istiod to verify the JWT tokens

// in both Up and Down directions (scaleUp and scaleDown fields respectively).
message HorizontalPodAutoscalerBehavior {
  // scaleUp is scaling policy for scaling Up.
  // If not set, the default value is the higher of:
  //   * increase no more than 4 pods per 60 seconds
  //   * double the number of pods per 60 seconds
  // No stabilization is used.
  // +optional
  optional HPAScalingRules scaleUp = 1;