From e4beb7c554e4f5fd45f73f16b3cc1bd350a27a76 Mon Sep 17 00:00:00 2001
From: Kenfe-Mickael Laventure <mickael.laventure@gmail.com>
Date: Tue, 18 Jul 2017 14:19:48 +0200
Subject: [PATCH] Use constants for runtime event topics

Signed-off-by: Kenfe-Mickael Laventure <mickael.laventure@gmail.com>
---
 linux/shim/service.go | 19 ++++++++++---------
 runtime/events.go     | 13 +++++++++++++
 2 files changed, 23 insertions(+), 9 deletions(-)
 create mode 100644 runtime/events.go

diff --git a/linux/shim/service.go b/linux/shim/service.go
index 3ba0268b2..f60eb9df9 100644
--- a/linux/shim/service.go
+++ b/linux/shim/service.go
@@ -20,6 +20,7 @@ import (
 	"github.com/containerd/containerd/log"
 	"github.com/containerd/containerd/namespaces"
 	"github.com/containerd/containerd/reaper"
+	"github.com/containerd/containerd/runtime"
 	"github.com/containerd/containerd/typeurl"
 	google_protobuf "github.com/golang/protobuf/ptypes/empty"
 	"github.com/pkg/errors"
@@ -404,23 +405,23 @@ func (s *Service) forward(client poster) {
 func getTopic(e interface{}) string {
 	switch e.(type) {
 	case *events.TaskCreate:
-		return "/tasks/create"
+		return runtime.TaskCreateEventTopic
 	case *events.TaskStart:
-		return "/tasks/start"
+		return runtime.TaskStartEventTopic
 	case *events.TaskOOM:
-		return "/tasks/oom"
+		return runtime.TaskOOMEventTopic
 	case *events.TaskExit:
-		return "/tasks/exit"
+		return runtime.TaskExitEventTopic
 	case *events.TaskDelete:
-		return "/tasks/delete"
+		return runtime.TaskDeleteEventTopic
 	case *events.TaskExecAdded:
-		return "/tasks/exec-added"
+		return runtime.TaskExecAddedEventTopic
 	case *events.TaskPaused:
-		return "/tasks/paused"
+		return runtime.TaskPausedEventTopic
 	case *events.TaskResumed:
-		return "/tasks/resumed"
+		return runtime.TaskResumedEventTopic
 	case *events.TaskCheckpointed:
-		return "/tasks/checkpointed"
+		return runtime.TaskCheckpointedEventTopic
 	}
 	return "?"
 }
diff --git a/runtime/events.go b/runtime/events.go
new file mode 100644
index 000000000..2c7a54174
--- /dev/null
+++ b/runtime/events.go
@@ -0,0 +1,13 @@
+package runtime
+
+const (
+	TaskCreateEventTopic       = "/tasks/create"
+	TaskStartEventTopic        = "/tasks/start"
+	TaskOOMEventTopic          = "/tasks/oom"
+	TaskExitEventTopic         = "/tasks/exit"
+	TaskDeleteEventTopic       = "/tasks/delete"
+	TaskExecAddedEventTopic    = "/tasks/exec-added"
+	TaskPausedEventTopic       = "/tasks/paused"
+	TaskResumedEventTopic      = "/tasks/resumed"
+	TaskCheckpointedEventTopic = "/tasks/checkpointed"
+)