Aditya Manthramurthy <******@****.***> 1665205956 -0700

package cmd

import (
	"syscall"
)

// Returns true if no error and there is no object or prefix inside this directory
func isDirEmpty(dirname string, legacy bool) bool {
	if legacy {
		// On filesystems such as btrfs, nfs this is not true, so fallback
		// to performing readdir() instead.
		entries, err := readDirN(dirname, 1)
		if err != nil {
			return false
		}

				continue
			}
			cfg.HTTP[target] = http.Config{
				Enabled:  true,
				Endpoint: url,
			}
		}

	case config.AuditWebhookSubSys:
		// List legacy audit ENVs if any.
		var loggerAuditTargets []string
		envs := env.List(legacyEnvAuditLoggerHTTPEndpoint)
		for _, k := range envs {
			target := strings.TrimPrefix(k, legacyEnvAuditLoggerHTTPEndpoint+config.Default)

```
commit 886262e58af77ebc7c836ef587c08544e9a0c271
Author: Harshavardhana <******@****.***>
Date:   Wed Nov 17 15:49:12 2021 -0800

    heal legacy objects when versioning is enabled after upgrade (#13671)
```

	diskPath string
	file     *os.File // active journal file
}

// TierJournal holds an in-memory and an on-disk delete journal of tiered content.
type TierJournal struct {
	*tierDiskJournal // for processing legacy journal entries
	*tierMemJournal  // for processing new journal entries
}

type jentry struct {
	ObjName   string `msg:"obj"`
	VersionID string `msg:"vid"`
	TierName  string `msg:"tier"`
}

const (

		if err != nil {
			storageLogIf(ctx, err)
		}
		// let's the rest shutdown
	}
	return nil
}

// Legacy returns 'true' if distribution algo is CRCMOD
func (z *erasureServerPools) Legacy() (ok bool) {
	ok = true
	for _, set := range z.serverPools {
		ok = ok && set.Legacy()
	}
	return ok
}

func (z *erasureServerPools) BackendInfo() (b madmin.BackendInfo) {
	b.Type = madmin.Erasure

	if err != nil {
		return nil, err
	}
	defer done(&err)

	return p.storage.ListDir(ctx, origvolume, volume, dirPath, count)
}

// Legacy API - does not have any deadlines
func (p *xlStorageDiskIDCheck) ReadFile(ctx context.Context, volume string, path string, offset int64, buf []byte, verifier *BitrotVerifier) (n int64, err error) {

	// Injected to prevent circular dependency.
	pubsub.GetByteBuffer = grid.GetByteBuffer
}

type poolDisksLayout struct {
	cmdline string
	layout  [][]string
}

type disksLayout struct {
	legacy bool
	pools  []poolDisksLayout
}

type serverCtxt struct {
	JSON, Quiet               bool
	Anonymous                 bool
	StrictS3Compat            bool
	Addr, ConsoleAddr         string

		srcInfo.UserDefined[k] = v
	}

	// Ensure that metadata does not contain sensitive information
	crypto.RemoveSensitiveEntries(srcInfo.UserDefined)

	// If we see legacy source, metadataOnly we have to overwrite the content.
	if srcInfo.Legacy {
		srcInfo.metadataOnly = false
	}

	// Check if x-amz-metadata-directive or x-amz-tagging-directive was not set to REPLACE and source,

		opaCfg, err := opa.LookupConfig(s[config.PolicyOPASubSys][config.Default],
			NewHTTPTransport(), xhttp.DrainBody)
		if err != nil {
			iamLogIf(ctx, fmt.Errorf("Unable to initialize AuthZPlugin from legacy OPA config: %w", err))
		} else {
			authZPluginCfg.URL = opaCfg.URL
			authZPluginCfg.AuthToken = opaCfg.AuthToken
			authZPluginCfg.Transport = opaCfg.Transport
			authZPluginCfg.CloseRespFn = opaCfg.CloseRespFn