}

// computes the exponential backoff duration according to
// https://www.awsarchitectureblog.com/2015/03/backoff.html
func exponentialBackoffWait(r *rand.Rand, unit, cap time.Duration) func(uint) time.Duration {
	if unit > time.Hour {
		// Protect against integer overflow
		panic("unit cannot exceed one hour")
	}
	return func(attempt uint) time.Duration {

func getRandomByte() []byte {
	const letterBytes = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ"
	// seeding the random number generator.
	rand.Seed(UTCNow().UnixNano())
	// pick a character randomly.
	return []byte{letterBytes[rand.Intn(len(letterBytes))]}
}

// picks a random byte and repeats it to size bytes.
func generateBytesData(size int) []byte {
	// repeat the random character chosen size

//
// You should have received a copy of the GNU Affero General Public License
// along with this program.  If not, see <http://www.gnu.org/licenses/>.

package cmd

import (
	"bytes"
	"context"
	"crypto/rand"
	"io"
	"testing"
)

var erasureEncodeDecodeTests = []struct {
	dataBlocks, parityBlocks   int
	missingData, missingParity int
	reconstructParity          bool
	shouldFail                 bool
}{

		objectKey := crypto.GenerateKey(key.Plaintext, rand.Reader)
		sealedKey = objectKey.Seal(key.Plaintext, crypto.GenerateIV(rand.Reader), crypto.S3KMS.String(), bucket, object)
		crypto.S3KMS.CreateMetadata(metadata, key.KeyID, key.Ciphertext, sealedKey, cryptoCtx)
		return objectKey, nil
	case crypto.SSEC:
		objectKey := crypto.GenerateKey(key, rand.Reader)
		sealedKey = objectKey.Seal(key, crypto.GenerateIV(rand.Reader), crypto.SSEC.String(), bucket, object)

//
// You should have received a copy of the GNU Affero General Public License
// along with this program.  If not, see <http://www.gnu.org/licenses/>.

package config

import (
	"bytes"
	"context"
	"crypto/rand"
	"encoding/binary"
	"errors"
	"fmt"
	"io"

	jsoniter "github.com/json-iterator/go"
	"github.com/minio/minio/internal/fips"
	"github.com/minio/minio/internal/kms"
	"github.com/secure-io/sio-go"

//
// You should have received a copy of the GNU Affero General Public License
// along with this program.  If not, see <http://www.gnu.org/licenses/>.

package main

import (
	"bytes"
	"context"
	"crypto/rand"
	"encoding/base64"
	"encoding/json"
	"errors"
	"flag"
	"fmt"
	"log"
	"net/http"
	"net/url"
	"strings"
	"time"

	"golang.org/x/oauth2"

	"github.com/minio/minio-go/v7"

		Tiers:       make(map[string]madmin.TierConfig),
	}
}

func (config *TierConfigMgr) refreshTierConfig(ctx context.Context, objAPI ObjectLayer) {
	const tierCfgRefresh = 15 * time.Minute
	r := rand.New(rand.NewSource(time.Now().UnixNano()))
	randInterval := func() time.Duration {
		return time.Duration(r.Float64() * 5 * float64(time.Second))
	}

	// To avoid all MinIO nodes reading the tier config object at the same

40.732776641845703 -73.936798095703125 40.764118194580078 5 8.70 25.5 0.5 0.5 0 0 26.5 2 1 196 193 green 0.00 0.0 0.0 43 28 6.93 1288 717.02 4 Queens 071702 4071702 I QN18 Rego Park 4108 1419 43 4 Queens 004300 4004300 E QN68 Queensbridge-Ravenswood-Long Island City 4101 3389325 2 2014-03-22 19:12:44 2014-03-22 19:27:00 N 1 -73.863761901855469 40.732769012451172 -73.87249755859375 40.742450714111328 1 1.92 10 0 0.5 0 0 10.5 2 1 196 82 green 0.00 0.0 0.0 63 41 6.93 1288 717.02 4 Queens 071702 4071702 I QN18...

		go func() {
			// Resume decommissioning of pools, but wait 3 minutes for cluster to stabilize.
			if err := sleepContext(ctx, 3*time.Minute); err != nil {
				return
			}
			r := rand.New(rand.NewSource(time.Now().UnixNano()))
			for {
				if err := z.Decommission(ctx, poolIndices...); err != nil {
					if errors.Is(err, errDecommissionAlreadyRunning) {
						// A previous decommission running found restart it.

//
// You should have received a copy of the GNU Affero General Public License
// along with this program.  If not, see <http://www.gnu.org/licenses/>.

package cmd

import (
	"bytes"
	"context"
	"fmt"
	"math/rand"
	"reflect"
	"runtime"
	"strings"
	"testing"

	"github.com/dustin/go-humanize"
	"github.com/minio/minio/internal/config/storageclass"
	"github.com/minio/minio/internal/hash"