github.com/go-kivik/kivik/v4@v4.3.2/x/kivikd/conf/conf.go (about)

     1  // Licensed under the Apache License, Version 2.0 (the "License"); you may not
     2  // use this file except in compliance with the License. You may obtain a copy of
     3  // the License at
     4  //
     5  //  http://www.apache.org/licenses/LICENSE-2.0
     6  //
     7  // Unless required by applicable law or agreed to in writing, software
     8  // distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
     9  // WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
    10  // License for the specific language governing permissions and limitations under
    11  // the License.
    12  
    13  //go:build !js
    14  
    15  package conf
    16  
    17  import (
    18  	"os"
    19  	"os/user"
    20  
    21  	"github.com/spf13/viper"
    22  )
    23  
    24  // Conf represents a loaded configuration.
    25  type Conf struct {
    26  	*viper.Viper
    27  }
    28  
    29  // New returns an empty Conf.
    30  func New() *Conf {
    31  	return &Conf{Viper: viper.New()}
    32  }
    33  
    34  // Load loads the specified config file.
    35  func Load(file string) (*Conf, error) {
    36  	if file != "" {
    37  		return load(file)
    38  	}
    39  	c, err := load("")
    40  	if _, ok := err.(viper.ConfigFileNotFoundError); ok {
    41  		return c, nil
    42  	}
    43  	return c, nil
    44  }
    45  
    46  func load(file string) (*Conf, error) {
    47  	v := viper.New()
    48  	if file == "" {
    49  		v.SetConfigName("serve")
    50  		v.SetConfigType("toml")
    51  		v.AddConfigPath(".")
    52  		if u, err := user.Current(); err == nil {
    53  			if u.HomeDir != "" {
    54  				v.AddConfigPath(u.HomeDir + string(os.PathSeparator) + "kivik/")
    55  			}
    56  		}
    57  		v.AddConfigPath("/etc/kivik/") // TODO: Add explicit support for Windows & MacOS
    58  	} else {
    59  		v.SetConfigFile(file)
    60  	}
    61  	return &Conf{v}, v.ReadInConfig()
    62  }