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Documentation
¶
Overview ¶
Package proxy provides a rate-limit proxy middleware using the github.com/juju/ratelimit lib.
Sample backend extra config
...
"extra_config": {
...
"github.com/devopsfaith/krakend-ratelimit/rate/proxy": {
"maxRate": 100,
"capacity": 100
},
...
},
...
Adding the middleware to your proxy stack
import juju "github.com/devopsfaith/krakend-ratelimit/juju/proxy" ... var p proxy.Proxy var backend *config.Backend ... p = juju.NewMiddleware(backend)(p) ...
The ratelimit package provides an efficient token bucket implementation. See https://github.com/juju/ratelimit and http://en.wikipedia.org/wiki/Token_bucket for more details.
Index ¶
Constants ¶
const Namespace = "github.com/devopsfaith/krakend-ratelimit/juju/proxy"
Namespace is the key to use to store and access the custom config data for the proxy
Variables ¶
var ZeroCfg = Config{}
ZeroCfg is the zero value for the Config struct
Functions ¶
func BackendFactory ¶
func BackendFactory(next proxy.BackendFactory) proxy.BackendFactory
BackendFactory adds a ratelimiting middleware wrapping the internal factory
func ConfigGetter ¶
func ConfigGetter(e config.ExtraConfig) interface{}
ConfigGetter implements the config.ConfigGetter interface. It parses the extra config for the rate adapter and returns a ZeroCfg if something goes wrong.
func NewMiddleware ¶
func NewMiddleware(remote *config.Backend) proxy.Middleware
NewMiddleware builds a middleware based on the extra config params or fallbacks to the next proxy
Source Files