xl: Moved to minio/minio - fixes #1112

pkg/xl/config.go

@@ -0,0 +1,80 @@
+/*
+ * Minio Cloud Storage, (C) 2015 Minio, Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package xl
+
+import (
+	"os/user"
+	"path/filepath"
+
+	"github.com/minio/minio/pkg/probe"
+	"github.com/minio/minio/pkg/quick"
+)
+
+// getXLConfigPath get xl config file path
+func getXLConfigPath() (string, *probe.Error) {
+	if customConfigPath != "" {
+		return customConfigPath, nil
+	}
+	u, err := user.Current()
+	if err != nil {
+		return "", probe.NewError(err)
+	}
+	xlConfigPath := filepath.Join(u.HomeDir, ".minio", "xl.json")
+	return xlConfigPath, nil
+}
+
+// internal variable only accessed via get/set methods
+var customConfigPath string
+
+// SetXLConfigPath - set custom xl config path
+func SetXLConfigPath(configPath string) {
+	customConfigPath = configPath
+}
+
+// SaveConfig save xl config
+func SaveConfig(a *Config) *probe.Error {
+	xlConfigPath, err := getXLConfigPath()
+	if err != nil {
+		return err.Trace()
+	}
+	qc, err := quick.New(a)
+	if err != nil {
+		return err.Trace()
+	}
+	if err := qc.Save(xlConfigPath); err != nil {
+		return err.Trace()
+	}
+	return nil
+}
+
+// LoadConfig load xl config
+func LoadConfig() (*Config, *probe.Error) {
+	xlConfigPath, err := getXLConfigPath()
+	if err != nil {
+		return nil, err.Trace()
+	}
+	a := &Config{}
+	a.Version = "0.0.1"
+	qc, err := quick.New(a)
+	if err != nil {
+		return nil, err.Trace()
+	}
+	if err := qc.Load(xlConfigPath); err != nil {
+		return nil, err.Trace()
+	}
+	return qc.Data().(*Config), nil
+}