us-imagery: add legacy a/b/c aliases

[dns.git] / bin / mkgeo

diff --git a/bin/mkgeo b/bin/mkgeo
index 9a36ae23096bafa6a03aca5bb5b1e22200fcadde..2c0453b96bc784c29f4d7ab9fecca1e3831f1ef2 100755 (executable)
--- a/bin/mkgeo
+++ b/bin/mkgeo
@@ -149,6 +149,9 @@ foreach my $server (@servers)
     }
 }
 
+# Abort if no servers at all are up
+exit 0 unless grep { $_->{status} eq "up" } values(%$clusters);
+
 # Create target origins object
 my $targetorigins = {};