migrate-3-4.px: Use 'rrdtool tune' instead of 'sed' to rename DS's.

[collectd.git] / contrib / migrate-3-4.px

diff --git a/contrib/migrate-3-4.px b/contrib/migrate-3-4.px
index 673929c..bb5bc94 100755 (executable)
--- a/contrib/migrate-3-4.px
+++ b/contrib/migrate-3-4.px
@@ -169,22 +169,23 @@ for (@Files)
                        print "./rrd_filter.px -i '$InDir/$orig_filename' -m '${src_ds}:${dst_ds}' -o '$OutDir/$dest_filename'\n";
                }
        }
-       elsif (exists ($TypeRename{$orig->{'type'}}))
+       else
+       {
+               print "cp '$InDir/$orig_filename' '$OutDir/$dest_filename'\n";
+       }
+
+       if (exists ($TypeRename{$orig->{'type'}}))
        {
                my $src_dses = $TypeRename{$orig->{'type'}}->{'from'};
                my $dst_dses = $TypeRename{$orig->{'type'}}->{'to'};
-               my @sed_prog = ();
 
+               print "rrdtool tune '$OutDir/$dest_filename'";
                for (my $i = 0; $i < @$src_dses; $i++)
                {
-                       push (@sed_prog, 's/^' . $src_dses->[$i] . '$/' . $dst_dses->[$i] . '/g;');
+                       print " --data-source-rename "
+                               . $src_dses->[$i] . ':' . $dst_dses->[$i];
                }
-
-               print "rrdtool dump '$InDir/$orig_filename' | sed -e '" . join (' ', @sed_prog) . "' | rrdtool restore - '$OutDir/$dest_filename'\n";
-       }
-       else
-       {
-               print "cp '$InDir/$orig_filename' '$OutDir/$dest_filename'\n";
+               print "\n";
        }
 }