[alerts-dispatcher] update to build again :) also fixes a concurrent map access

go/src/infra/monitoring/messages/gatekeeper.go

Index: go/src/infra/monitoring/messages/gatekeeper.go
diff --git a/go/src/infra/monitoring/messages/gatekeeper.go b/go/src/infra/monitoring/messages/gatekeeper.go
index 8ba9eca0fdd1a6a9e66fc65b9c642ee6c848b383..23f85c877f50b37f5346c05195044aca439d544f 100644
--- a/go/src/infra/monitoring/messages/gatekeeper.go
+++ b/go/src/infra/monitoring/messages/gatekeeper.go
@@ -9,12 +9,12 @@ package messages
 // MasterConfig represents filtering configurtaion for alerts
 // generated about a buildbot master.
 type MasterConfig struct {
-	Categories       []string                 `json:"categories"`
 	TreeNotify       []string                 `json:"tree_notify"`
 	SheriffClasses   []string                 `json:"sheriff_classes"`
 	Builders         map[string]BuilderConfig `json:"builders"`
 	ExcludedBuilders []string                 `json:"excluded_builders"`
 	ExcludedSteps    []string                 `json:"excluded_steps"`
+	Categories       []string                 `json:"categories"`

[martiniss, 2016/04/11 21:33:34]

Move this back up, so no diff?

[seanmccullough, 2016/04/11 23:11:08]

Done.

 }
 
 // BuilderConfig represents filtering configuration for alerts
@@ -28,6 +28,11 @@ type BuilderConfig struct {
 	ClosingOptional   []string `json:"closing_optional"`
 }
 
+type GatekeeperConfig struct {
+	Categories map[string]BuilderConfig  `json:"categories"`
+	Masters    map[string][]MasterConfig `json:"masters"`
+}
+
 // TreeMasterConfig is a named group of masters. e.g. chromium, or blink.
 type TreeMasterConfig struct {
 	BuildDB string   `json:"build-db"`