add schema deploy module

module/schema/schema.go

@@ -0,0 +1,43 @@
+package schema
+
+import (
+	"encoding/json"
+	"errors"
+	"fmt"
+)
+
+// DBVersions -
+type DBVersions struct {
+	Versions []VersionInfo `json:"versions"`
+	Test     []VersionInfo `json:"test"`
+}
+
+// VersionInfo -
+type VersionInfo struct {
+	File    string `json:"file"`
+	Version int    `json:"version"`
+}
+
+// ReadVersions -
+func ReadVersions() (dbver DBVersions, err error) {
+	f, err := Asset("schema/dbVersion.json")
+	if err != nil {
+		return dbver, err
+	}
+
+	err = json.Unmarshal(f, &dbver)
+	return
+}
+
+// ReadSchema -
+func ReadSchema(name string) (q string, err error) {
+	if len(name) == 0 {
+		return "", errors.New("name is empty")
+	}
+	f, err := Asset(fmt.Sprintf("schema/%s", name))
+	if err != nil {
+		return
+	}
+	q = string(f)
+	return
+}