Make haproxy instanciation fail when backend-dict is empty.

1b5d91f4 · Vincent Pelletier · 5d4a9d23 · 1b5d91f4
Commit 1b5d91f4 authored Apr 12, 2013 by Vincent Pelletier
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slapos/recipe/haproxy/__init__.py slapos/recipe/haproxy/__init__.py +4 -0

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--- a/slapos/recipe/haproxy/__init__.py
+++ b/slapos/recipe/haproxy/__init__.py
@@ -76,6 +76,10 @@ class Recipe(GenericBaseRecipe):
      backend_dict = {
        self.options['name']: (self.options['port'], backend_list),
      }
+    if not backend_dict:
+      # Fail installation if backend_dict is empty, otherwise partition may be
+      # advertised as available although it provides no service.
+      raise Exception('backend-dict is empty')

    server_snippet_filename = self.getTemplateFilename(
      'haproxy-server-snippet.cfg.in')