Damnit again

Former-commit-id: b394f26caf0df7d113ac4cc7dacc9c544af6897f

config/new.go

@@ -0,0 +1,41 @@
+package config
+
+import (
+	"local/args"
+	"local/storage"
+	"os"
+)
+
+func New() error {
+	as := args.NewArgSet()
+	as.Append(args.STRING, "addr", "address/path to database/file", "")
+	as.Append(args.STRING, "user", "username to database", "")
+	as.Append(args.STRING, "pass", "password to database", "")
+	as.Append(args.STRING, "port", "port to listen on", "33419")
+	as.Append(args.STRING, "db", "database type code", storage.MAP.String())
+	as.Append(args.STRING, "ns", "namespace", storage.DefaultNamespace)
+	if err := as.Parse(); err != nil {
+		return err
+	}
+	config = Config{
+		db:               as.Get("db").GetString(),
+		Addr:             as.Get("addr").GetString(),
+		Username:         as.Get("user").GetString(),
+		Password:         as.Get("pass").GetString(),
+		Port:             as.Get("port").GetString(),
+		DefaultNamespace: as.Get("ns").GetString(),
+	}
+	storage.DefaultNamespace = config.DefaultNamespace
+	DB, err := storage.New(storage.TypeFromString(config.db), config.Addr, config.Username, config.Password)
+	config.DB = DB
+	return err
+}
+
+func orEnv(def, key string, keys ...string) string {
+	for _, key := range append(keys, key) {
+		if v, ok := os.LookupEnv(key); ok {
+			return v
+		}
+	}
+	return def
+}