Code drop for Xeon Phi (mic) support. add the handling of tar format src to call the copytar command

git-svn-id: https://svn.code.sf.net/p/xcat/code/xcat-core/trunk@16824 8638fb3e-16cb-4fca-ae20-7b5d299a9bcd

xCAT-server/lib/xcat/plugins/copycds.pm

@@ -93,6 +93,22 @@ sub process_request {
     }
     else { $file = $_; }
 
+    # handle the copycds for tar file
+    # if the source file is tar format, call the 'copytar' command to handle it.
+    # currently it's used for Xeon Phi (mic) support
+    if (-r $file) {
+        my @filestat = `file $file`;
+        if (grep /tar archive/, @filestat) {
+            # this is a tar file, call the 'copytar' to generate the image
+            my $newreq = dclone($request);
+            $newreq->{command}= [ 'copytar' ]; #Note the singular, it's different
+            $newreq->{arg} = ["-f", $file, "-n", $distname];
+            $doreq->($newreq, $callback);
+
+            return;
+        }
+    }
+
     my $mntopts = "-t udf,iso9660"; #Prefer udf formate to iso when media supports both, like MS media
     if (-r $file and -b $file) # Block device?
       { $mntopts .= " -o ro"; }