}

// Request KES keep an up-to-date copy of the KMS master key to allow minio to start up even if KMS is down. The
// cached key may still be evicted if the period of this function is longer than that of KES .cache.expiry.unused
func (c *kesClient) refreshKMSMasterKeyCache(logger Logger) {
	ctx := context.Background()

	defaultCacheDuration := 10 * time.Second

		NumVersions:      fi.NumVersions,
		SuccessorModTime: fi.SuccessorModTime,
		CacheControl:     fi.Metadata["cache-control"],
	}

	if exp, ok := fi.Metadata["expires"]; ok {
		if t, err := amztime.ParseHeader(exp); err == nil {
			objInfo.Expires = t.UTC()
		}
	}

	// Extract etag from metadata.
	objInfo.ETag = extractETag(fi.Metadata)

	// Add user tags to the object info

	"github.com/valyala/bytebufferpool"
)

// supportedHeadGetReqParams - supported request parameters for GET and HEAD presigned request.
var supportedHeadGetReqParams = map[string]string{
	"response-expires":             xhttp.Expires,
	"response-content-type":        xhttp.ContentType,
	"response-cache-control":       xhttp.CacheControl,
	"response-content-encoding":    xhttp.ContentEncoding,

		if len(meta.LifecycleConfigXML) > 0 {
			var lcCfg lifecycle.Lifecycle
			if err := xml.Unmarshal(meta.LifecycleConfigXML, &lcCfg); err != nil {
				return updatedAt, err
			}
			// find a single expiry rule set the flag
			for _, rl := range lcCfg.Rules {
				if !rl.Expiration.IsNull() || !rl.NoncurrentVersionExpiration.IsNull() {
					expiryRuleRemoved = true
					break
				}
			}
		}

However, if a request needs a certain identity that we have not fetched yet, it will be immediately requested.

Ztunnel additionally will handle the rotation of these certificates (typically 24hr expiration) as they approach expiry.

## Telemetry

|:-------------------------------------------------------------|:-----------------------------------------------------------------------------------------------------------|
| `minio_node_ilm_expiry_pending_tasks`                        | Number of pending ILM expiry tasks in the queue.                                                           |

test-root-disable: install-race
	@echo "Running minio root lockdown tests"
	@env bash $(PWD)/buildscripts/disable-root.sh

test-ilm: install-race
	@echo "Running ILM tests"
	@env bash $(PWD)/docs/bucket/replication/setup_ilm_expiry_replication.sh

test-decom: install-race
	@echo "Running minio decom tests"
	@env bash $(PWD)/docs/distributed/decom.sh
	@env bash $(PWD)/docs/distributed/decom-encrypted.sh

	// The maximum allowed time difference between the incoming request
	// date and server date during signature verification.
	globalMaxSkewTime = 15 * time.Minute // 15 minutes skew allowed.

	// GlobalStaleUploadsExpiry - Expiry duration after which the uploads in multipart,
	// tmp directory are deemed stale.
	GlobalStaleUploadsExpiry = time.Hour * 24 // 24 hrs.

```

## Using WebIdentity API

```
export MINIO_ROOT_USER=minio
export MINIO_ROOT_PASSWORD=minio123
export MINIO_IDENTITY_OPENID_CONFIG_URL=https://accounts.google.com/.well-known/openid-configuration
export MINIO_IDENTITY_OPENID_CLIENT_ID="843351d4-1080-11ea-aa20-271ecba3924a"
# Optional: Allow to specify the requested OpenID scopes (OpenID only requires the `openid` scope)
#export MINIO_IDENTITY_OPENID_SCOPES="openid,profile,email"

type metaCacheEntriesSorted struct {
	o metaCacheEntries
	// list id is not serialized
	listID string
	// Reuse buffers
	reuse bool
	// Contain the last skipped object after an ILM expiry evaluation
	lastSkippedEntry string
}

// shallowClone will create a shallow clone of the array objects,
// but object metadata will not be cloned.