| // Licensed to 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. Apache Software Foundation (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 ( |
| "bytes" |
| "os" |
| "path/filepath" |
| |
| "github.com/spf13/viper" |
| ) |
| |
| type Config struct { |
| conf *viper.Viper |
| } |
| |
| // Load config from file |
| func Load(file string) (*Config, error) { |
| absolutePath, err := filepath.Abs(file) |
| if err != nil { |
| return nil, err |
| } |
| content, err := os.ReadFile(absolutePath) |
| if err != nil { |
| return nil, err |
| } |
| v := viper.New() |
| v.SetConfigType("yaml") |
| if err := v.ReadConfig(bytes.NewReader(content)); err != nil { |
| return nil, err |
| } |
| |
| // env replace |
| overrideEnv(v) |
| |
| return &Config{conf: v}, nil |
| } |
| |
| // GetTopLevelKeys from config |
| func (c *Config) GetTopLevelKeys() []string { |
| settings := c.conf.AllSettings() |
| keys := make([]string, 0) |
| for k := range settings { |
| keys = append(keys, k) |
| } |
| return keys |
| } |
| |
| // UnMarshalWithKey to the config value reference |
| func (c *Config) UnMarshalWithKey(key string, val interface{}) error { |
| return c.conf.UnmarshalKey(key, val) |
| } |