| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You 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 config |
| |
| import ( |
| "os" |
| ) |
| |
| import ( |
| "github.com/pkg/errors" |
| |
| "sigs.k8s.io/yaml" |
| ) |
| |
| import ( |
| "github.com/apache/dubbo-kubernetes/pkg/core" |
| ) |
| |
| func Load(file string, cfg Config) error { |
| return LoadWithOption(file, cfg, false, true, true) |
| } |
| |
| func LoadWithOption(file string, cfg Config, strict bool, includeEnv bool, validate bool) error { |
| if file == "" { |
| core.Log.WithName("config").Info("skipping reading config from file") |
| } else if err := loadFromFile(file, cfg, strict); err != nil { |
| return err |
| } |
| |
| //if includeEnv { |
| // if err := envconfig.Process("", cfg); err != nil { |
| // return err |
| // } |
| //} |
| |
| if err := cfg.PostProcess(); err != nil { |
| return errors.Wrap(err, "configuration post processing failed") |
| } |
| |
| if validate { |
| if err := cfg.Validate(); err != nil { |
| return errors.Wrapf(err, "Invalid configuration") |
| } |
| } |
| return nil |
| } |
| |
| func loadFromFile(file string, cfg Config, strict bool) error { |
| if _, err := os.Stat(file); err != nil { |
| return errors.Errorf("Failed to access configuration file %q", file) |
| } |
| contents, err := os.ReadFile(file) |
| if err != nil { |
| return errors.Wrapf(err, "Failed to read configuration from file %q", file) |
| } |
| if strict { |
| err = yaml.UnmarshalStrict(contents, cfg) |
| } else { |
| err = yaml.Unmarshal(contents, cfg) |
| } |
| return errors.Wrapf(err, "Failed to parse configuration from file %q", file) |
| } |