Initial commit/push

pkg/config/config.go

@@ -0,0 +1,51 @@
+package config
+
+import (
+	"flag"
+	"fmt"
+	"os"
+
+	"gopkg.in/yaml.v2"
+)
+
+type Config struct {
+	Hypervisor struct {
+		Url      string `yaml:"url"`
+		Username string `yaml:"username"`
+		Password string `yaml:"password"`
+
+		Datacenter string `yaml:"datacenter"`
+	} `yaml:"hypervisor"`
+}
+
+func NewConfig() (*Config, error) {
+	var configPath string
+
+	flag.StringVar(&configPath, "config", "./config.yml", "path to config file")
+	flag.Parse()
+
+	s, err := os.Stat(configPath)
+	if err != nil {
+		return nil, err
+	}
+	if s.IsDir() {
+		return nil, fmt.Errorf("'%s' is a directory, not a regular file", configPath)
+	}
+
+
+	config := &Config{}
+
+	file, err := os.Open(configPath)
+	if err != nil {
+		return nil, err
+	}
+	defer file.Close()
+
+	d := yaml.NewDecoder(file)
+
+	if err := d.Decode(&config); err != nil {
+		return nil, err
+	}
+
+	return config, nil
+}