//   by the 'containerName' field) is not in the set of specified values.
  // Additional values are considered to be added in the future. Clients should
  // react to an unknown operator by assuming the requirement is not satisfied.
  optional string operator = 2;

  // Specifies the set of values. Each returned container exit code (might be

## Interaction with controller

The controller shares the same API as the operator CLI, so it's possible to install any of the above examples as a CR
in the cluster in the istio-system namespace and the controller will react to it with the same outcome as running
`istioctl install -f <path-to-custom-resource-file>`.

## Architecture

  // future, although it may be shortened or the resource may be deleted prior to this time.
  // For example, a user may request that a pod is deleted in 30 seconds. The Kubelet will react
  // by sending a graceful termination signal to the containers in the pod. After that 30 seconds,
  // the Kubelet will send a hard termination signal (SIGKILL) to the container and after cleanup,