Move runtime to core/runtime

Signed-off-by: Derek McGowan <derek@mcg.dev>

core/runtime/events.go

@@ -0,0 +1,77 @@
+/*
+   Copyright The containerd Authors.
+
+   Licensed under the Apache License, Version 2.0 (the "License");
+   you may not use this file except in compliance with the License.
+   You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
+*/
+
+package runtime
+
+import (
+	"github.com/containerd/containerd/v2/api/events"
+	"github.com/containerd/log"
+)
+
+const (
+	// TaskCreateEventTopic for task create
+	TaskCreateEventTopic = "/tasks/create"
+	// TaskStartEventTopic for task start
+	TaskStartEventTopic = "/tasks/start"
+	// TaskOOMEventTopic for task oom
+	TaskOOMEventTopic = "/tasks/oom"
+	// TaskExitEventTopic for task exit
+	TaskExitEventTopic = "/tasks/exit"
+	// TaskDeleteEventTopic for task delete
+	TaskDeleteEventTopic = "/tasks/delete"
+	// TaskExecAddedEventTopic for task exec create
+	TaskExecAddedEventTopic = "/tasks/exec-added"
+	// TaskExecStartedEventTopic for task exec start
+	TaskExecStartedEventTopic = "/tasks/exec-started"
+	// TaskPausedEventTopic for task pause
+	TaskPausedEventTopic = "/tasks/paused"
+	// TaskResumedEventTopic for task resume
+	TaskResumedEventTopic = "/tasks/resumed"
+	// TaskCheckpointedEventTopic for task checkpoint
+	TaskCheckpointedEventTopic = "/tasks/checkpointed"
+	// TaskUnknownTopic for unknown task events
+	TaskUnknownTopic = "/tasks/?"
+)
+
+// GetTopic converts an event from an interface type to the specific
+// event topic id
+func GetTopic(e interface{}) string {
+	switch e.(type) {
+	case *events.TaskCreate:
+		return TaskCreateEventTopic
+	case *events.TaskStart:
+		return TaskStartEventTopic
+	case *events.TaskOOM:
+		return TaskOOMEventTopic
+	case *events.TaskExit:
+		return TaskExitEventTopic
+	case *events.TaskDelete:
+		return TaskDeleteEventTopic
+	case *events.TaskExecAdded:
+		return TaskExecAddedEventTopic
+	case *events.TaskExecStarted:
+		return TaskExecStartedEventTopic
+	case *events.TaskPaused:
+		return TaskPausedEventTopic
+	case *events.TaskResumed:
+		return TaskResumedEventTopic
+	case *events.TaskCheckpointed:
+		return TaskCheckpointedEventTopic
+	default:
+		log.L.Warnf("no topic for type %#v", e)
+	}
+	return TaskUnknownTopic
+}