## Privileges required

  // driver can be mounted separately with different `-o context` options. This is
  // typical for storage backends that provide volumes as filesystems on block
  // devices or as independent shared volumes.
  // Kubernetes will call NodeStage / NodePublish with "-o context=xyz" mount
  // option when mounting a ReadWriteOncePod volume used in Pod that has

init: $(TARGET_OUT)/istio_is_init init-ztunnel-rs
	@mkdir -p ${TARGET_OUT}/logs
	@mkdir -p ${TARGET_OUT}/release

# I tried to make this dependent on what I thought was the appropriate
# lock file, but it caused the rule for that file to get run (which
# seems to be about obtaining a new version of the 3rd party libraries).
$(TARGET_OUT)/istio_is_init: bin/init.sh istio.deps | $(TARGET_OUT)

  // contain duplicate certificates, or that use PEM block headers.
  //
  // Users of ClusterTrustBundles, including Kubelet, are free to reorder and
  // deduplicate certificate blocks in this file according to their own logic,
  // as well as to drop PEM block headers and inter-block data.
  optional string trustBundle = 2;

github.com/asaskevich/govalidator v0.0.0-20230301143203-a9d515a09cc2/go.mod h1:WaHUgvxTVq04UNunO+XhnAqY/wQc+bxr74GqbsZ/Jqw=
github.com/benbjohnson/clock v1.1.0/go.mod h1:J11/hYXuz8f4ySSvYwY0FKfm+ezbsZBKZxNJlLklBHA=
github.com/beorn7/perks v0.0.0-20180321164747-3a771d992973/go.mod h1:Dwedo/Wpr24TaqPxmxbtue+5NUziq4I4S80YR8gNf3Q=

  // This field is immutable.
  // +required
  optional int32 perNodeHostBits = 2;

  // ipv4 defines an IPv4 IP block in CIDR notation(e.g. "10.0.0.0/8").
  // At least one of ipv4 and ipv6 must be specified.
  // This field is immutable.
  // +optional
  optional string ipv4 = 3;

  // ipv6 defines an IPv6 IP block in CIDR notation(e.g. "2001:db8::/64").
  // At least one of ipv4 and ipv6 must be specified.
  // This field is immutable.

message LocalVolumeSource {
  // path of the full path to the volume on the node.
  // It can be either a directory or block device (disk, partition, ...).
  optional string path = 1;

  // fsType is the filesystem type to mount.
  // It applies only when the Path is a block device.
  // Must be a filesystem type supported by the host operating system.

  // driver can be mounted separately with different `-o context` options. This is
  // typical for storage backends that provide volumes as filesystems on block
  // devices or as independent shared volumes.
  // Kubernetes will call NodeStage / NodePublish with "-o context=xyz" mount
  // option when mounting a ReadWriteOncePod volume used in Pod that has

  //   to allow for explanatory text as described in section 5.2 of RFC7468.
  //
  // If more than one PEM block is present, and the definition of the requested spec.signerName
  // does not indicate otherwise, the first block is the issued certificate,
  // and subsequent blocks should be treated as intermediate certificates and presented in TLS handshakes.
  //

This is consumed in two ways:
* Some components just block on `watcher.WaitForCRD(...)` before doing the work they need.
* `kclient.NewDelayedInformer` can also fully abstract this away, by providing a client that handles this behind the scenes.

#### Credentials Controller