From 29ed79d418a98035fbad08148903c9e1768b32ba Mon Sep 17 00:00:00 2001
From: marcos <marcosnils@gmail.com>
Date: Fri, 24 Nov 2017 00:45:00 -0300
Subject: [PATCH] Fix issue with scheduler mutex. Update k8s motd with new
 kubedashboard url

---
 dockerfiles/k8s/motd   | 4 +---
 scheduler/scheduler.go | 3 ++-
 2 files changed, 3 insertions(+), 4 deletions(-)

diff --git a/dockerfiles/k8s/motd b/dockerfiles/k8s/motd
index e7b9f82..c913b54 100644
--- a/dockerfiles/k8s/motd
+++ b/dockerfiles/k8s/motd
@@ -20,9 +20,7 @@
 
  3. (Optional) Initialize kube-dashboard:
 
- curl -L -s https://git.io/kube-dashboard  | sed 's/targetPort: 9090/targetPort: 9090\n  type: LoadBalancer/' | \
-    kubectl apply -f -
-
+curl -L -s https://raw.githubusercontent.com/kubernetes/dashboard/master/src/deploy/recommended/kubernetes-dashboard.yaml  | sed 's/targetPort: 8443/targetPort: 8443\n  type: LoadBalancer/' |    kubectl apply -f -
 
                           The PWK team.
 
diff --git a/scheduler/scheduler.go b/scheduler/scheduler.go
index fe27370..6a621cb 100644
--- a/scheduler/scheduler.go
+++ b/scheduler/scheduler.go
@@ -310,10 +310,11 @@ func (s *scheduler) Start() error {
 	})
 	s.event.On(event.PLAYGROUND_NEW, func(playgroundId string, args ...interface{}) {
 		s.mx.Lock()
-		defer s.mx.Unlock()
 
 		log.Printf("EVENT: Playground New %s\n", playgroundId)
 
+		// Don't defer lock as updatePlaygrounds will lock again
+		s.mx.Unlock()
 		// We just update all playgrounds we manage to be safe. This is pretty fast anyway and this event should be fairly rare
 		s.updatePlaygrounds()
 	})