feat: add noarchive to scoutfs part files

The part files for multipart uploads are considered temporary
files and should not be archived by default. This adds the
noarchive attribute to the part files to prevent scoutam from
trying to archive these.

There is a new parameter, disablenoarchive, that will prevent
adding the noarchive attribute to these files for the case
where there is a desire to archive these temp files.

cmd/versitygw/scoutfs.go

@@ -24,7 +24,8 @@ import (
 )
 
 var (
-	glacier bool
+	glacier          bool
+	disableNoArchive bool
 )
 
 func scoutfsCommand() *cli.Command {
@@ -79,6 +80,12 @@ move interfaces as well as support for tiered filesystems.`,
 				DefaultText: "0755",
 				Value:       0755,
 			},
+			&cli.BoolFlag{
+				Name:        "disable-noarchive",
+				Usage:       "disable setting noarchive for multipart part uploads",
+				EnvVars:     []string{"VGW_DISABLE_NOARCHIVE"},
+				Destination: &disableNoArchive,
+			},
 		},
 	}
 }
@@ -98,6 +105,7 @@ func runScoutfs(ctx *cli.Context) error {
 	opts.ChownGID = chowngid
 	opts.BucketLinks = bucketlinks
 	opts.NewDirPerm = fs.FileMode(dirPerms)
+	opts.DisableNoArchive = disableNoArchive
 
 	be, err := scoutfs.New(ctx.Args().Get(0), opts)
 	if err != nil {