seaweedfs/weed/util/config.go

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2015-03-10 15:20:31 +08:00
package util
import (
"github.com/chrislusf/seaweedfs/weed/glog"
"github.com/spf13/viper"
)
type Configuration interface {
GetString(key string) string
GetBool(key string) bool
GetInt(key string) int
GetInt64(key string) int64
GetFloat64(key string) float64
GetStringSlice(key string) []string
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}
func LoadConfiguration(configFileName string, required bool) (loaded bool) {
// find a filer store
viper.SetConfigName(configFileName) // name of config file (without extension)
viper.AddConfigPath(".") // optionally look for config in the working directory
viper.AddConfigPath("$HOME/.seaweedfs") // call multiple times to add many search paths
viper.AddConfigPath("/etc/seaweedfs/") // path to look for the config file in
glog.V(1).Infof("Reading %s.toml from %s", configFileName, viper.ConfigFileUsed())
if err := viper.MergeInConfig(); err != nil { // Handle errors reading the config file
glog.V(0).Infof("Reading %s: %v", viper.ConfigFileUsed(), err)
if required {
glog.Fatalf("Failed to load %s.toml file from current directory, or $HOME/.seaweedfs/, or /etc/seaweedfs/"+
"\n\nPlease follow this example and add a filer.toml file to "+
"current directory, or $HOME/.seaweedfs/, or /etc/seaweedfs/:\n"+
" https://github.com/chrislusf/seaweedfs/blob/master/weed/%s.toml\n"+
"\nOr use this command to generate the default toml file\n"+
" weed scaffold -config=%s -output=.\n\n\n",
configFileName, configFileName, configFileName)
} else {
return false
}
}
return true
}