return nil, err
	}
	return ekvs, nil
}

func readFromSecret(sp string) (string, error) {
	// Supports reading path from docker secrets, filename is
	// relative to /run/secrets/ position.
	if isFile(pathJoin("/run/secrets/", sp)) {
		sp = pathJoin("/run/secrets/", sp)
	}
	credBuf, err := os.ReadFile(sp)
	if err != nil {
		if os.IsNotExist(err) { // ignore if file doesn't exist.
			return "", nil
		}

	ReadinessEndpoint = "/readyz"
	ReadinessPort     = "8000"
)

// Exposed for testing constants
var (
	CNIBinDir          = "/opt/cni/bin"
	HostCNIBinDir      = "/host/opt/cni/bin"
	ServiceAccountPath = "/var/run/secrets/kubernetes.io/serviceaccount"
	// Well-known subpath we will mount any needed host-mounts under,
	// to preclude shadowing or breaking any pod-internal mounts
	HostMountsPath = "/host"

	// 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()
	scope := getScope(date, region)
	credential := fmt.Sprintf("%s/%s", accessKeyID, scope)

	// Set URL query.
	query := req.URL.Query()

	// This is not yet implemented.

	// VALIDATIONS COMPLETE.

	// Create a common service account for all clusters, with root
	// permissions.

	// Create a local service account.

	// Generate a secret key for the service account if not created already.
	var secretKey string
	var svcCred auth.Credentials
	sa, _, err := globalIAMSys.getServiceAccount(ctx, siteReplicatorSvcAcc)
	switch {

		}

		sKey, err := manager.HMAC(GlobalContext, stat.DefaultKey, []byte("root secret key"))
		if err != nil {
			// Here, we must have permission. Otherwise, we would have failed earlier.
			logger.Fatal(err, "Unable to generate root secret key using KMS")
		}

		accessKey, err := auth.GenerateAccessKey(20, bytes.NewReader(aKey))
		if err != nil {

	if err != nil {
		secretKey, err := getTokenSigningKey()
		if err != nil {
			return nil, err
		}
		// Session tokens for STS creds will be generated with root secret or site-replicator-0 secret
		jwtClaims, err = auth.ExtractClaims(u.Credentials.SessionToken, secretKey)
		if err != nil {
			return nil, err
		}
	}
	return jwtClaims, nil
}

		Code:           "InvalidArgument",
		Description:    "The secret key was invalid for the specified algorithm.",
		HTTPStatusCode: http.StatusBadRequest,
	},
	ErrMissingSSECustomerKey: {
		Code:           "InvalidArgument",
		Description:    "Requests specifying Server Side Encryption with Customer provided keys must provide an appropriate secret key.",
		HTTPStatusCode: http.StatusBadRequest,
	},

}

// CopyObjectHandler - Copy Object
// ----------
// This implementation of the PUT operation adds an object to a bucket
// while reading the object from another source.
// Notice: The S3 client can send secret keys in headers for encryption related jobs,
// the handler should ensure to remove these keys before sending them to the object layer.
// Currently these keys are:
//   - X-Amz-Server-Side-Encryption-Customer-Key

		//     spark.sparkContext.hadoopConfiguration.set("fs.s3a.path.style.access", "true")
		//     spark.sparkContext.hadoopConfiguration.set("fs.s3a.access.key", "minioadmin")
		//     spark.sparkContext.hadoopConfiguration.set("fs.s3a.secret.key", "minioadmin")
		//
		//     val df = spark.read.json("s3a://testbucket/s3.json")
		//
		//     df.write.parquet("s3a://testbucket/parquet/")
		//   }
		// }

	}
	return nil
}

// getTokenSigningKey returns secret key used to sign JWT session tokens
func getTokenSigningKey() (string, error) {
	secret := globalActiveCred.SecretKey
	if globalSiteReplicationSys.isEnabled() {
		c, err := globalSiteReplicatorCred.Get(GlobalContext)
		if err != nil {
			return "", err
		}
		return c.SecretKey, nil
	}
	return secret, nil
}