// errUnexpected - unexpected error, requires manual intervention.
var errUnexpected = StorageErr("unexpected error, please report this issue at https://github.com/minio/minio/issues")

// errCorruptedFormat - corrupted format.
var errCorruptedFormat = StorageErr("corrupted format")

// errCorruptedBackend - corrupted backend.

//
// Any change here should be discussed by opening an issue at
// https://github.com/minio/minio/issues.
func getUserAgent(mode string) string {
	userAgentParts := []string{}
	// Helper function to concisely append a pair of strings to a
	// the user-agent slice.

	// can do nothing (such a JSON could be generated by an external application
	// as the policy for the service account). Inheriting the parent policy in
	// such a case, is a security issue. Ideally, we should not allow such
	// behavior, but for compatibility with the Console, we currently allow it.
	//
	// TODO:
	//
	// 1. fix console behavior and allow this inheritance for service accounts

func shouldCheckForDangling(err error, errs []error, bucket string) bool {
	// Avoid data in .minio.sys for now
	if bucket == minioMetaBucket {
		return false
	}
	switch {
	// Check if we have a read quorum issue
	case errors.Is(err, errErasureReadQuorum):
		return true
	// Check if the object is inexistent in most disks but not all of them
	case errors.Is(err, errFileNotFound) || errors.Is(err, errFileVersionNotFound):

	derrs := make([]error, len(poolIndices))
	dobjects := make([]ObjectInfo, len(poolIndices))

	// Delete concurrently in all server pools that reported no error or read quorum error
	// where the read quorum issue is from metadata inconsistency.
	var wg sync.WaitGroup
	for idx, pe := range poolIndices {
		if v, ok := pe.Err.(InsufficientReadQuorum); ok && v.Type != RQInconsistentMeta {
			derrs[idx] = InsufficientWriteQuorum{}

			// This is where we'd set it to -1 (at least
			// if body != NoBody) to mean unknown, but
			// that broke people during the Go 1.8 testing
			// period. People depend on it being 0 I
			// guess. Maybe retry later. See Issue 18117.
		}
		// For client requests, Request.ContentLength of 0
		// means either actually 0, or unknown. The only way
		// to explicitly say that the ContentLength is zero is

		{testBuckets[4], "file1/receipt.json", "content", nil},
		{testBuckets[4], "file1/guidSplunk-aaaa/file", "content", nil},
		{testBuckets[5], "dir/day_id=2017-10-10/issue", "content", nil},
		{testBuckets[5], "dir/day_id=2017-10-11/issue", "content", nil},
		{testBuckets[5], "foo/201910/1122", "content", nil},
		{testBuckets[5], "foo/201910/1112", "content", nil},
		{testBuckets[5], "foo/201910/2112", "content", nil},

// algorithms completes a roundtrip. If any algorithm
// produces an incorrect checksum it fails with a hard error.
//
// compressSelfTest tries to catch any issue in the compression implementation
// early instead of silently corrupting data.
func compressSelfTest() {
	// 4 MB block.
	// Approx runtime ~30ms
	data := make([]byte, 4<<20)

# Add user group test
./mc admin user add site1 site-replication-issue-user site-replication-issue-password
./mc admin group add site1 site-replication-issue-group site-replication-issue-user

max_wait_attempts=30
wait_interval=5

attempt=1
while true; do
	diff <(./mc admin group info site1 site-replication-issue-group) <(./mc admin group info site2 site-replication-issue-group)

	if [[ $? -eq 0 ]]; then

		return
	}

	// We set the expiry of the temp. credentials to the minimum of the
	// configured expiry and the duration until the certificate itself
	// expires.
	// We must not issue credentials that out-live the certificate.
	if validUntil := time.Until(certificate.NotAfter); validUntil < expiry {
		expiry = validUntil
	}

	// Associate any service accounts to the certificate CN