// Default to Always.
  // More info: https://kubernetes.io/docs/concepts/workloads/pods/pod-lifecycle/#restart-policy
  // +optional
  optional string restartPolicy = 3;

  // Optional duration in seconds the pod needs to terminate gracefully. May be decreased in delete request.
  // Value must be non-negative integer. The value zero indicates stop immediately via
  // the kill signal (no opportunity to shut down).

and allows a bit more flexibility.
- the dedicated pilot-per-ingress is required if the gateway needs to support k8s-style ingress.

# Port and basic host configuration

In order to configure the Service object, the install/upgrade needs to provide a list of all ports.
In the past, this was done when installing/upgrading full istio, and involved some duplication - ports configured

  // +optional
  optional int32 numberUnavailable = 8;

  // Count of hash collisions for the DaemonSet. The DaemonSet controller
  // uses this field as a collision avoidance mechanism when it needs to
  // create the name for the newest ControllerRevision.
  // +optional
  optional int32 collisionCount = 9;

  // Represents the latest available observations of a DaemonSet's current state.
  // +optional

  // +optional
  optional int32 numberUnavailable = 8;

  // Count of hash collisions for the DaemonSet. The DaemonSet controller
  // uses this field as a collision avoidance mechanism when it needs to
  // create the name for the newest ControllerRevision.
  // +optional
  optional int32 collisionCount = 9;

  // Represents the latest available observations of a DaemonSet's current state.
  // +optional

  // (generally five to fifteen minutes) or a configuration change on the server, the server will
  // respond with a 410 ResourceExpired error together with a continue token. If the client needs a
  // consistent list, it must restart their list without the continue field. Otherwise, the client may
  // send another list request with the token received with the 410 error, the server will respond with

  repeated DeploymentCondition conditions = 6;

  // collisionCount is the count of hash collisions for the Deployment. The Deployment controller uses this
  // field as a collision avoidance mechanism when it needs to create the name for the
  // newest ReplicaSet.
  // +optional
  optional int32 collisionCount = 8;
}

// DeploymentStrategy describes how to replace existing pods with new ones.
message DeploymentStrategy {