message ExternalMetricSource {
  // metricName is the name of the metric in question.
  optional string metricName = 1;

  // metricSelector is used to identify a specific time series
  // within a given metric.
  // +optional
  optional k8s.io.apimachinery.pkg.apis.meta.v1.LabelSelector metricSelector = 2;

  // targetValue is the target value of the metric (as a quantity).

  // is allowed in the "volumes" field.
  // +optional
  repeated AllowedFlexVolume allowedFlexVolumes = 18;

  // AllowedCSIDrivers is an allowlist of inline CSI drivers that must be explicitly set to be embedded within a pod spec.
  // An empty value indicates that any CSI driver can be used for inline ephemeral volumes.
  // +optional
  repeated AllowedCSIDriver allowedCSIDrivers = 23;

  // List of carps.
  // More info: http://kubernetes.io/docs/user-guide/carps
  repeated Carp items = 2;
}

// CarpSpec is a description of a carp
message CarpSpec {
  // Restart policy for all containers within the carp.
  // One of Always, OnFailure, Never.
  // Default to Always.
  // More info: http://kubernetes.io/docs/user-guide/carp-states#restartpolicy
  // +optional
  optional string restartPolicy = 3;

  // names are only unique within a namespace.
  optional string volumeName = 1;

  // volumeNamespace specifies the scope of the volume within StorageOS.  If no
  // namespace is specified then the Pod's namespace will be used.  This allows the
  // Kubernetes name scoping to be mirrored within StorageOS for tighter integration.

message ExternalMetricSource {
  // metricName is the name of the metric in question.
  optional string metricName = 1;

  // metricSelector is used to identify a specific time series
  // within a given metric.
  // +optional
  optional k8s.io.apimachinery.pkg.apis.meta.v1.LabelSelector metricSelector = 2;

  // targetValue is the target value of the metric (as a quantity).