//
// CanonicalizedProtocolHeaders = <described below>

// doesSignV2Match - Verify authorization header with calculated header in accordance with
//     - http://docs.aws.amazon.com/AmazonS3/latest/dev/auth-request-sig-v2.html
// returns true if matches, false otherwise. if error is not nil then it is always false

func validateV2AuthHeader(r *http.Request) (auth.Credentials, APIErrorCode) {
	var cred auth.Credentials

	defer xhttp.DrainBody(respBody)
	return nil
}

// SignalService - sends signal to peer nodes.
func (client *peerRESTClient) SignalService(sig serviceSignal, subSys string, dryRun bool, execAt *time.Time) error {
	values := grid.NewMSS()
	values.Set(peerRESTSignal, strconv.Itoa(int(sig)))
	values.Set(peerRESTDryRun, strconv.FormatBool(dryRun))
	values.Set(peerRESTSubSys, subSys)
	if execAt != nil {

	return ErrNone
}

// doesSignatureMatch - Verify authorization header with calculated header in accordance with
//   - http://docs.aws.amazon.com/AmazonS3/latest/API/sig-v4-authenticating-requests.html
//
// returns ErrNone if signature matches.
func doesSignatureMatch(hashedPayload string, r *http.Request, region string, stype serviceType) APIErrorCode {
	// Copy request.
	req := *r

// authentication algorithms. Note that this doesn't include certificate types
// since those use the underlying algorithm. This list is sent to the client if
// it supports the server-sig-algs extension. Order is irrelevant.
// https://cs.opensource.google/go/x/crypto/+/refs/tags/v0.22.0:ssh/common.go;l=142
var supportedPubKeyAuthAlgos = []string{
	ssh.KeyAlgoED25519,
	ssh.KeyAlgoSKED25519, ssh.KeyAlgoSKECDSA256,

### Instrumentation

In v1.9 we focused on improving stability of the components owned by the SIG, including Heapster, Custom Metrics API adapters for Prometheus, and Stackdriver.

### Network

kubernetes/enhancements: [#116](https://github.com/kubernetes/enhancements/issues/116) [[kep](https://github.com/kubernetes/enhancements/blob/master/keps/sig-windows/116-windows-node-support/README.md)]

Updated Plugin Mechanism for kubectl is Graduating to Stable ([#579](https://github.com/kubernetes/enhancements/issues/579))

        },
        "danish_stop": {
          "type":       "stop",

        },
        "danish_stop": {
          "type":       "stop",

  - [alpha] Introducing the v1alpha1 CRI API to allow pluggable container runtimes; an experimental docker-CRI integration is ready for testing and feedback. ([docs](https://github.com/kubernetes/community/blob/master/contributors/devel/sig-node/container-runtime-interface.md)) ([kubernetes/features#54](https://github.com/kubernetes/enhancements/issues/54))

[https://github.com/kubernetes/kubernetes/issues/49213](https://github.com/kubernetes/kubernetes/issues/49213) sig-cluster-lifecycle has decided to phase out the cluster/ directory over the next couple of releases in favor of deployment automations maintained outside of the core repo and outside of kubernetes orgs. ([@kubernetes/sig-cluster-lifecycle-misc](https://github.com/orgs/kubernetes/teams/sig-cluster-lifecycle-misc))

    * Remove deprecated ContainerVM support from GCE kube-up.  ([...