docker listener utility to reproduce weird event listener behavior

Author: progrium

utils/docker-listener.go

@@ -0,0 +1,25 @@
+package main
+
+import (
+	"github.com/fsouza/go-dockerclient"
+	"log"
+)
+
+func assert(err error, context string) {
+	if err != nil {
+		log.Fatal(context+": ", err)
+	}
+}
+
+func main() {
+	client, err := docker.NewClient("unix:///var/run/docker.sock")
+	assert(err, "docker")
+	events := make(chan *docker.APIEvents)
+	//assert(client.AddEventListener(events), "attacher")
+	//assert(client.RemoveEventListener(events), "attacher")
+	assert(client.AddEventListener(events), "attacher")
+	log.Println("listening for events")
+	for msg := range events {
+		log.Println("event:", msg.ID[:12], msg.Status)
+	}
+}