Anton Nikiforov
995db117d0
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Signed-off-by: Anton Nikiforov <an.nikiforov@yadro.com>
49 lines
1 KiB
Go
49 lines
1 KiB
Go
package config
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import (
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"fmt"
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"os"
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"path"
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"github.com/spf13/viper"
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)
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// ReadConfigDir reads all config files from provided directory in alphabetical order
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// and merge its content with current viper configuration.
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func ReadConfigDir(v *viper.Viper, configDir string) error {
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entries, err := os.ReadDir(configDir)
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if err != nil {
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return err
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}
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for _, entry := range entries {
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if entry.IsDir() {
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continue
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}
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ext := path.Ext(entry.Name())
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if ext != ".yaml" && ext != ".yml" && ext != ".json" {
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continue
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}
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if err = mergeConfig(v, path.Join(configDir, entry.Name())); err != nil {
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return err
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}
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}
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return nil
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}
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// mergeConfig reads config file and merge its content with current viper.
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func mergeConfig(v *viper.Viper, fileName string) error {
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cv := viper.New()
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cv.SetConfigFile(fileName)
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err := cv.ReadInConfig()
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if err != nil {
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return fmt.Errorf("failed to read config: %w", err)
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}
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if err = v.MergeConfigMap(cv.AllSettings()); err != nil {
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return fmt.Errorf("failed to merge config: %w", err)
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}
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return nil
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}
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