// * use crictl to inspect the pod; this returns the bind-mounted network namespace file.
// * /var/lib/cni/results shows the outputs of CNI plugins; this containers the bind-mounted network namespace file.
//
// Instead, we traverse the procfs. Comments on this method are inline.
func getPodNetNs(pod *corev1.Pod) (string, error) {
	// First, find the network namespace id by looking the interface with the given Pod IP.

	route "github.com/envoyproxy/go-control-plane/envoy/config/route/v3"
	hcm "github.com/envoyproxy/go-control-plane/envoy/extensions/filters/network/http_connection_manager/v3"
	tcp "github.com/envoyproxy/go-control-plane/envoy/extensions/filters/network/tcp_proxy/v3"
	"sigs.k8s.io/yaml"

	"istio.io/istio/istioctl/pkg/util/proto"
	"istio.io/istio/pilot/pkg/networking/util"
	"istio.io/istio/pilot/pkg/util/protoconv"

	XdsPodLabel string

	// XdsPodPort is a port exposing XDS (typically 15010 or 15012)
	XdsPodPort int

	// CertDir is the local directory containing certificates
	CertDir string

	// Timeout is how long to wait before giving up on XDS
	Timeout time.Duration

	// InsecureSkipVerify skips client verification the server's certificate chain and host name.
	InsecureSkipVerify bool

	}
	secretDump := c.ztunnelDump.Certificates
	w := new(tabwriter.Writer).Init(c.Stdout, 0, 8, 5, ' ', 0)
	fmt.Fprintln(w, "CERTIFICATE NAME\tTYPE\tSTATUS\tVALID CERT\tSERIAL NUMBER\tNOT AFTER\tNOT BEFORE")

	for _, secret := range secretDump {
		if strings.Contains(secret.State, "Unavailable") {
			secret.State = "Unavailable"
		}
		if len(secret.CertChain) == 0 {
			fmt.Fprintf(w, "%v\t%v\t%v\t%v\t%v\t%v\t%v\n",

	}
	return err
}

var (
	secretItemColumns = []string{"RESOURCE NAME", "TYPE", "STATUS", "VALID CERT", "SERIAL NUMBER", "NOT AFTER", "NOT BEFORE"}
	secretDiffColumns = []string{"RESOURCE NAME", "TYPE", "VALID CERT", "NODE AGENT", "PROXY", "SERIAL NUMBER", "NOT AFTER", "NOT BEFORE"}
)

// printSecretItemsTabular prints the secret in table format
func (w *sdsWriter) printSecretItemsTabular(secrets []SecretItem) error {

	selectResources string
	// ignoreResources ignores all listed items during comparison. It uses the same list format as selectResources.
	ignoreResources string
	// renameResources identifies renamed resources before comparison.
	// The format of each renaming pair is A->B, all renaming pairs are comma separated.
	// e.g. Service:*:istio-pilot->Service:*:istio-control - rename istio-pilot service into istio-control
	renameResources string
}

  istioctl x internal-debug syncz

  # Retrieve syncz debug information directly from the control plane, using RSA certificate security
  # (Certificates must be obtained before this step.  The --cert-dir flag lets istioctl bypass the Kubernetes API server.)
  istioctl x internal-debug syncz --xds-address istio.example.com:15012 --cert-dir ~/.istio-certs

	"istio.io/istio/cni/pkg/ipset"
	"istio.io/istio/cni/pkg/iptables"
	"istio.io/istio/cni/pkg/util"
	"istio.io/istio/pkg/kube"
)

type MeshDataplane interface {
	// called first, (even before Start()).
	ConstructInitialSnapshot(ambientPods []*corev1.Pod) error
	Start(ctx context.Context)

	//	IsPodInMesh(ctx context.Context, pod *metav1.ObjectMeta, netNs string) (bool, error)

//
// We always need the IPs, but this is fine because this AddPodToMesh can be called from the CNI plugin as well,
// which always has the firsthand info of the IPs, even before K8S does - so we pass them separately here because
// we actually may have them before K8S in the Pod object.
func (s *NetServer) AddPodToMesh(ctx context.Context, pod *corev1.Pod, podIPs []netip.Addr, netNs string) error {

  istioctl proxy-status

  # Retrieve proxy status information directly from the control plane, using RSA certificate security
  # (Certificates must be obtained before this step.  The --cert-dir flag lets istioctl bypass the Kubernetes API server.)
  istioctl ps --xds-address istio.example.com:15012 --cert-dir ~/.istio-certs