config

type Backend struct {
	// the name of the group the response should be moved to. If empty, the response is
	// not changed
	Group string `mapstructure:"group"`
	// HTTP method of the request to send to the backend
	Method string `mapstructure:"method"`
	// Set of hosts of the API
	Host []string `mapstructure:"host"`
	// False if the hostname should be sanitized
	HostSanitizationDisabled bool `mapstructure:"disable_host_sanitize"`
	// URL pattern to use to locate the resource to be consumed
	URLPattern string `mapstructure:"url_pattern"`
	// set of response fields to remove. If empty, the filter id not used
	Blacklist []string `mapstructure:"blacklist"`
	// set of response fields to allow. If empty, the filter id not used
	Whitelist []string `mapstructure:"whitelist"`
	// map of response fields to be renamed and their new names
	Mapping map[string]string `mapstructure:"mapping"`
	// the encoding format
	Encoding string `mapstructure:"encoding"`
	// the response to process is a collection
	IsCollection bool `mapstructure:"is_collection"`
	// name of the field to extract to the root. If empty, the formater will do nothing
	Target string `mapstructure:"target"`

	// list of keys to be replaced in the URLPattern
	URLKeys []string
	// number of concurrent calls this endpoint must send to the API
	ConcurrentCalls int
	// timeout of this backend
	Timeout time.Duration
	// decoder to use in order to parse the received response from the API
	Decoder encoding.Decoder
}

type EndpointConfig struct {
	// url pattern to be registered and exposed to the world
	Endpoint string `mapstructure:"endpoint"`
	// HTTP method of the endpoint (GET, POST, PUT, etc)
	Method string `mapstructure:"method"`
	// set of definitions of the backends to be linked to this endpoint
	Backend []*Backend `mapstructure:"backend"`
	// number of concurrent calls this endpoint must send to the backends
	ConcurrentCalls int `mapstructure:"concurrent_calls"`
	// timeout of this endpoint
	Timeout time.Duration `mapstructure:"timeout"`
	// duration of the cache header
	CacheTTL time.Duration `mapstructure:"cache_ttl"`
	// list of query string params to be extracted from the URI
	QueryString []string `mapstructure:"querystring_params"`
}

type Parser interface {
	Parse(configFile string) (ServiceConfig, error)
}

type ServiceConfig struct {
	// set of endpoint definitions
	Endpoints []*EndpointConfig `mapstructure:"endpoints"`
	// defafult timeout
	Timeout time.Duration `mapstructure:"timeout"`
	// default TTL for GET
	CacheTTL time.Duration `mapstructure:"cache_ttl"`
	// default set of hosts
	Host []string `mapstructure:"host"`
	// port to bind the krakend service
	Port int `mapstructure:"port"`
	// version code of the configuration
	Version int `mapstructure:"version"`

	// run krakend in debug mode
	Debug bool
	// contains filtered or unexported fields
}

type URI int

type URIParser interface {
	CleanHosts([]string) []string
	CleanHost(string) string
	CleanPath(string) string
	GetEndpointPath(string, []string) string
}