From a3c6add846cd7c9131c34e760980f54c127abd83 Mon Sep 17 00:00:00 2001
From: Xi Chen <xichen@uber.com>
Date: Thu, 12 Oct 2017 11:38:55 -0400
Subject: [PATCH] More descriptive error message

---
 rules/validator.go | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/rules/validator.go b/rules/validator.go
index d8534f4..848ac13 100644
--- a/rules/validator.go
+++ b/rules/validator.go
@@ -83,7 +83,7 @@ func (v *validator) validateMappingRules(mrv map[string]*MappingRuleView) error
 			return err
 		}
 		if len(types) == 0 {
-			return fmt.Errorf("mapping rule %s does not match any allowed metric types", view.Name)
+			return fmt.Errorf("mapping rule %s does not match any allowed metric types, filter=%v", view.Name, view.Filters)
 		}
 
 		// Validate that the policies are valid.
@@ -121,7 +121,7 @@ func (v *validator) validateRollupRules(rrv map[string]*RollupRuleView) error {
 			return err
 		}
 		if len(types) == 0 {
-			return fmt.Errorf("rollup rule %s does not match any allowed metric types", view.Name)
+			return fmt.Errorf("rollup rule %s does not match any allowed metric types, filter=%v", view.Name, view.Filters)
 		}
 
 		// Validate that the policies are valid.