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100 lines
2.5 KiB
100 lines
2.5 KiB
package util
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import (
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"strings"
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"sync"
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"github.com/spf13/viper"
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"github.com/chrislusf/seaweedfs/weed/glog"
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)
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type Configuration interface {
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GetString(key string) string
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GetBool(key string) bool
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GetInt(key string) int
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GetStringSlice(key string) []string
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SetDefault(key string, value interface{})
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}
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func LoadConfiguration(configFileName string, required bool) (loaded bool) {
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// find a filer store
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viper.SetConfigName(configFileName) // name of config file (without extension)
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viper.AddConfigPath(".") // optionally look for config in the working directory
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viper.AddConfigPath("$HOME/.seaweedfs") // call multiple times to add many search paths
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viper.AddConfigPath("/usr/local/etc/seaweedfs/") // search path for bsd-style config directory in
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viper.AddConfigPath("/etc/seaweedfs/") // path to look for the config file in
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if err := viper.MergeInConfig(); err != nil { // Handle errors reading the config file
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if strings.Contains(err.Error(), "Not Found") {
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glog.V(1).Infof("Reading %s: %v", viper.ConfigFileUsed(), err)
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} else {
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glog.Fatalf("Reading %s: %v", viper.ConfigFileUsed(), err)
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}
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if required {
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glog.Fatalf("Failed to load %s.toml file from current directory, or $HOME/.seaweedfs/, or /etc/seaweedfs/"+
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"\n\nPlease use this command to generate the default %s.toml file\n"+
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" weed scaffold -config=%s -output=.\n\n\n",
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configFileName, configFileName, configFileName)
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} else {
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return false
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}
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}
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glog.V(1).Infof("Reading %s.toml from %s", configFileName, viper.ConfigFileUsed())
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return true
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}
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type ViperProxy struct {
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*viper.Viper
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sync.Mutex
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}
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var (
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vp = &ViperProxy{}
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)
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func (vp *ViperProxy) SetDefault(key string, value interface{}) {
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vp.Lock()
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defer vp.Unlock()
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vp.Viper.SetDefault(key, value)
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}
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func (vp *ViperProxy) GetString(key string) string {
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vp.Lock()
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defer vp.Unlock()
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return vp.Viper.GetString(key)
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}
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func (vp *ViperProxy) GetBool(key string) bool {
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vp.Lock()
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defer vp.Unlock()
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return vp.Viper.GetBool(key)
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}
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func (vp *ViperProxy) GetInt(key string) int {
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vp.Lock()
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defer vp.Unlock()
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return vp.Viper.GetInt(key)
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}
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func (vp *ViperProxy) GetStringSlice(key string) []string {
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vp.Lock()
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defer vp.Unlock()
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return vp.Viper.GetStringSlice(key)
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}
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func GetViper() *ViperProxy {
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vp.Lock()
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defer vp.Unlock()
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if vp.Viper == nil {
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vp.Viper = viper.GetViper()
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vp.AutomaticEnv()
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vp.SetEnvPrefix("weed")
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vp.SetEnvKeyReplacer(strings.NewReplacer(".", "_"))
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}
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return vp
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}
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