github.com/docker/docker@v299999999.0.0-20200612211812-aaf470eca7b5+incompatible/daemon/logger/log_cache_opts.go (about)

     1  package logger
     2  
     3  var externalValidators []LogOptValidator
     4  
     5  // RegisterExternalValidator adds the validator to the list of external validators.
     6  // External validators are used by packages outside this package that need to add their own validation logic.
     7  // This should only be called on package initialization.
     8  func RegisterExternalValidator(v LogOptValidator) {
     9  	externalValidators = append(externalValidators, v)
    10  }
    11  
    12  // AddBuiltinLogOpts updates the list of built-in log opts. This allows other packages to supplement additional log options
    13  // without having to register an actual log driver. This is used by things that are more proxy log drivers and should
    14  // not be exposed as a usable log driver to the API.
    15  // This should only be called on package initialization.
    16  func AddBuiltinLogOpts(opts map[string]bool) {
    17  	for k, v := range opts {
    18  		builtInLogOpts[k] = v
    19  	}
    20  }
    21  
    22  func validateExternal(cfg map[string]string) error {
    23  	for _, v := range externalValidators {
    24  		if err := v(cfg); err != nil {
    25  			return err
    26  		}
    27  	}
    28  	return nil
    29  }