Moved schedulers from the main programs to schedulers package. Can now choose different scheduelrs to use. Work on code sharing between schedulers remains to be done.

def/metric.go

@@ -0,0 +1,8 @@
+package def
+
+type Metric struct {
+	Name  string  `json:"name"`
+	CPU   float64 `json:"cpu"`
+	RAM   float64 `json:"ram"`
+	Watts float64 `json:"watts"`
+}

def/task.go

@@ -0,0 +1,35 @@
+package def
+
+import (
+	"encoding/json"
+	"github.com/pkg/errors"
+	"os"
+)
+
+type Task struct {
+	Name      string  `json:"name"`
+	CPU       float64 `json:"cpu"`
+	RAM       float64 `json:"ram"`
+	Watts     float64 `json:"watts"`
+	Image     string  `json:"image"`
+	CMD       string  `json:"cmd"`
+	Instances *int    `json:"inst"`
+	Host      string  `json:"host"`
+}
+
+func TasksFromJSON(uri string) ([]Task, error) {
+
+	var tasks []Task
+
+	file, err := os.Open(uri)
+	if err != nil {
+		return nil, errors.Wrap(err, "Error opening file")
+	}
+
+	err = json.NewDecoder(file).Decode(&tasks)
+	if err != nil {
+		return nil, errors.Wrap(err, "Error unmarshalling")
+	}
+
+	return tasks, nil
+}