// http://docs.aws.amazon.com/AmazonS3/latest/API/sigv4-query-string-auth.html.
func preSignV4(req *http.Request, accessKeyID, secretAccessKey string, expires int64) error {
	// Presign is not needed for anonymous credentials.
	if accessKeyID == "" || secretAccessKey == "" {
		return errors.New("Presign cannot be generated without access and secret keys")
	}

	region := globalSite.Region
	date := UTCNow()

			newSetCounts[ss] = struct{}{}
		}
	}

	setCounts = []uint64{}
	for setCount := range newSetCounts {
		setCounts = append(setCounts, setCount)
	}

	// Not necessarily needed but it ensures to the readers
	// eyes that we prefer a sorted setCount slice for the
	// subsequent function to figure out the right common
	// divisor, it avoids loops.
	sort.Slice(setCounts, func(i, j int) bool {

func formatErasureV3ThisEmpty(formats []*formatErasureV3) bool {
	for _, format := range formats {
		if format == nil {
			continue
		}
		// NOTE: This code is specifically needed when migrating version
		// V1 to V2 to V3, in a scenario such as this we only need to handle
		// single sets since we never used to support multiple sets in releases
		// with V1 format version.
		if len(format.Erasure.Sets) > 1 {
			continue
		}

	iptableslog "istio.io/istio/tools/istio-iptables/pkg/log"
)

const (
	// INPOD marks/masks
	InpodTProxyMark      = 0x111
	InpodTProxyMask      = 0xfff
	InpodMark            = 1337 // this needs to match the inpod config mark in ztunnel.
	InpodMask            = 0xfff
	InpodRestoreMask     = 0xffffffff
	ChainInpodOutput     = "ISTIO_OUTPUT"
	ChainInpodPrerouting = "ISTIO_PRERT"
	ChainHostPostrouting = "ISTIO_POSTRT"

		noLog := func(string, ...interface{}) {}

		consoleapi.LogInfo = noLog
		consoleapi.LogError = noLog
		api.Logger = noLog
	}

	// Pass in console application config. This needs to happen before the
	// ConfigureAPI() call.
	consoleapi.GlobalMinIOConfig = consoleapi.MinIOConfig{
		OpenIDProviders: buildOpenIDConsoleConfig(),
	}

	server := consoleapi.NewServer(api)
	// register all APIs

	disks := er.getDisks()
	// Assume (N/2 + 1) quorum for Delete()
	// this is a theoretical assumption such that
	// for delete's we do not need to honor storage
	// class for objects that have reduced quorum
	// due to storage class - this only needs to be honored
	// for Read() requests alone that we already do.
	writeQuorum := len(disks)/2 + 1

	g := errgroup.WithNErrs(len(disks))

		nsUnlocker = func() { lock.RUnlock(lkctx) }
		unlockOnDefer = true
	}

	checkPrecondFn := opts.CheckPrecondFn
	opts.CheckPrecondFn = nil // do not need to apply pre-conditions at lower layer.
	opts.NoLock = true        // no locks needed at lower levels for getObjectInfo()
	objInfo, zIdx, err := z.getLatestObjectInfoWithIdx(ctx, bucket, object, opts)
	if err != nil {
		if objInfo.DeleteMarker {

type BucketRemoteArnTypeInvalid GenericError

func (e BucketRemoteArnTypeInvalid) Error() string {
	return "Remote ARN type not valid: " + e.Bucket
}

// BucketRemoteArnInvalid arn needs to be specified.
type BucketRemoteArnInvalid GenericError

func (e BucketRemoteArnInvalid) Error() string {
	return "Remote ARN has invalid format: " + e.Bucket
}

		errors.Is(err, errServerNotInitialized)

	// Initializing sub-systems needs a retry mechanism for
	// the following reasons:
	//  - Read quorum is lost just after the initialization
	//    of the object layer.
	//  - Write quorum not met when upgrading configuration
	//    version is needed, migration is needed etc.
	rquorum := InsufficientReadQuorum{}
	wquorum := InsufficientWriteQuorum{}

		// We have no good way to distinguish between these two cases from here. But we don't need to!
		// Existing pods will be handled by the dataplane using `GetAmbientPods`,
		// and the initial enqueueNamespace, and new pods will be handled by the CNI.

	case controllers.EventUpdate:
		// For update, we just need to handle opt outs
		newPod := event.New.(*corev1.Pod)
		oldPod := event.Old.(*corev1.Pod)