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- [ ] Configuration Infrastructure
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message PriorityLevelConfigurationReference {
  // `name` is the name of the priority level configuration being referenced
  // Required.
  optional string name = 1;
}

// PriorityLevelConfigurationSpec specifies the configuration of a priority level.
// +union
message PriorityLevelConfigurationSpec {
  // `type` indicates whether this priority level is subject to

message PriorityLevelConfigurationReference {
  // `name` is the name of the priority level configuration being referenced
  // Required.
  optional string name = 1;
}

// PriorityLevelConfigurationSpec specifies the configuration of a priority level.
// +union
message PriorityLevelConfigurationSpec {
  // `type` indicates whether this priority level is subject to

		return err
	}
	defer netNs.Close()

	return netNs.Do(func(_ ns.NetNS) error {
		log.Infof("============= Start iptables configuration for %v =============", podName)
		defer log.Infof("============= End iptables configuration for %v =============", podName)
		return cmd.ProgramIptables(cfg)
	})

This offered performance benefits that were too large to leave on the table, as well as opportunities to tune to our specific needs.

## Configuration protocol

Ztunnel, of course, needs to be dynamically configured in order to make decisions on how it should handle traffic.

apiVersion: v1
kind: ServiceAccount
metadata:
  name: {{.ServiceAccount | quote}}
  namespace: {{.Namespace | quote}}
  annotations:
    {{- toJsonMap (omit .InfrastructureAnnotations "kubectl.kubernetes.io/last-applied-configuration" "gateway.istio.io/name-override" "gateway.istio.io/service-account" "gateway.istio.io/controller-version") | nindent 4 }}
  labels:
    {{- toJsonMap
      .InfrastructureLabels
      (strdict

  # Tolerations for pod assignment
  tolerations: []

  # Affinity for pod assignment
  affinity: {}

  # Additional labels and annotations to apply on the pod level for monitoring and logging configuration.
  podLabels: {}

in different namespaces that are configured to work together. Regardless of 'environment',
workloads can talk with each other and obey the Istio configuration resources, but each environment
can use different Istio versions and different configuration defaults.

`istioctl kube-inject` or the automatic sidecar injector are used to select the environment.

}

func profileDumpCmd(pdArgs *profileDumpArgs) *cobra.Command {
	return &cobra.Command{
		Use:   "dump [<profile>]",
		Short: "Dumps an Istio configuration profile",
		Long:  "The dump subcommand dumps the values in an Istio configuration profile.",
		Args: func(cmd *cobra.Command, args []string) error {
			if len(args) > 1 {
				return fmt.Errorf("too many positional arguments")
			}
			return nil
		},

  // +optional
  optional k8s.io.apimachinery.pkg.apis.meta.v1.ObjectMeta metadata = 1;

  // handler specifies the underlying runtime and configuration that the CRI
  // implementation will use to handle pods of this class. The possible values
  // are specific to the node & CRI configuration.  It is assumed that all
  // handlers are available on every node, and handlers of the same name are
  // equivalent on every node.