Implement basic queue, where is it impossible to run two identical job

in parallel

queue.go

@@ -0,0 +1,24 @@
+package main
+
+import (
+	"github.com/nemunaire/minifaas/engine"
+	"github.com/nemunaire/minifaas/engine/docker"
+)
+
+func FilterRunningContainers(jobtype string) (ret []string, err error) {
+	ctrs, errr := docker.PsName()
+	if errr != nil {
+		return nil, errr
+	}
+
+	return engine.FilterRunningContainers(jobtype, ctrs), nil
+}
+
+func CountRunningContainers(jobtype string) (n int, err error) {
+	ctrs, errr := docker.PsName()
+	if errr != nil {
+		return 0, errr
+	}
+
+	return engine.CountRunningContainers(jobtype, ctrs), nil
+}