Change healthchecker to return error

honeypot/ssh/store/store.go

@@ -1,6 +1,12 @@
 package store
 
-import "github.uio.no/torjus/apiary/models"
+import (
+	"errors"
+
+	"github.uio.no/torjus/apiary/models"
+)
+
+var ErrStoreUnhealthy = errors.New("store is unhealthy")
 
 type LoginStats string
 
@@ -39,5 +45,5 @@ type LoginAttemptStore interface {
 }
 
 type HealthCheker interface {
-	IsHealthy() bool
+	IsHealthy() error
 }