69 lines
2.2 KiB
Go
69 lines
2.2 KiB
Go
package file
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import (
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"io/fs"
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"os"
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"path/filepath"
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"time"
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"github.com/asaskevich/govalidator"
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"github.com/juju/errors"
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)
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// ConfigStruct is the configuration for File Provider.
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type ConfigStruct struct {
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Filename string `yaml:"filename"`
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Rotate bool `yaml:"rotate"`
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RotateTime *string `yaml:"rotate_time"`
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RotateMaxAge *string `yaml:"rotate_max_age"`
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RotateMaxFile *int `yaml:"rotate_max_file"`
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}
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// IsValid will check that the File configuration is valid.
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func (c *ConfigStruct) IsValid() error {
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if c.Filename == "" {
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return errors.NotValidf("Path is empty in File configuration")
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} else if isValid, _ := govalidator.IsFilePath(c.Filename); !isValid {
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return errors.NotValidf("Path is invalid in File configuration")
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}
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dir := filepath.Dir(c.Filename)
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if _, err := os.Stat(dir); err != nil {
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if errors.Is(err, fs.ErrPermission) {
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return errors.NewForbidden(err, "Filename directory is not readeable in File configuration")
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} else if errors.Is(err, fs.ErrNotExist) {
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return errors.NewNotFound(err, "Filename directory does not exist in File configuration")
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} else {
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return errors.Trace(err)
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}
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}
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if c.Rotate {
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if c.RotateTime == nil || *c.RotateTime == "" {
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return errors.NotValidf("rotate_time cannot be null or an empty string in File configuration")
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} else if _, err := time.ParseDuration(*c.RotateTime); err != nil {
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return errors.NewNotValid(err, "rotate_time contain an invalid duration in File configuration")
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}
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if c.RotateMaxFile != nil && *c.RotateMaxFile <= 0 {
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return errors.NotValidf("rotate_max_file cannot be negative or 0 in File configuration")
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}
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if c.RotateMaxAge != nil && *c.RotateMaxAge == "" {
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return errors.NotValidf("rotate_max_age cannot be an empty string in File configuration")
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} else if c.RotateMaxAge != nil {
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if _, err := time.ParseDuration(*c.RotateMaxAge); err != nil {
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return errors.NewNotValid(err, "rotate_max_age contain an invalid duration in File configuration")
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}
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}
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if c.RotateMaxFile != nil && c.RotateMaxAge != nil {
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return errors.NotValidf("rotate_max_age and rotate_max_file cannot be defined at the same time in File configuration")
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}
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}
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return nil
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}
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