cmd/stepd: Initialize initializers

cmd/stepd/main.go

@@ -186,6 +186,16 @@ func main () {
 	environment.Providers = append(environment.Providers, plugins...)
 	logProviders(environment.Providers)
 
+	// initialize providers
+	for _, provider := range environment.Providers {
+		if initializer, ok := provider.(step.Initializer); ok {
+			err := initializer.Init()
+			if err != nil {
+				log.Fatalln("XXX initializing %s: %v", provider.Package(), err)
+			}
+		}
+	}
+
 	// initialize the environment
 	err = environment.Init(context.Background())
 	if err != nil { log.Fatal("XXX:", err) }
@@ -229,6 +239,11 @@ func main () {
 			&handler,
 		},
 	}
+	for _, provider := range environment.Providers {
+		if provider, ok := provider.(step.Trimmer); ok {
+			trimmer.Trimmers = append(trimmer.Trimmers, provider)
+		}
+	}
 
 	// set up the routine manager
 	manager := routines.Manager {