KrakenD-contrib

A list of awesome modules and adaptors for the KrakenD framework.

Metrics and instrumentation

1. krakend-opencensus simple opencensus adapter (InfluxDB,Zipkin,Prometheus,Jaeger,Logger)
2. krakend-metrics contains a set of middlewares for the KrakenD framework for instrumenting different parts of the pipes.
3. letgoapp/krakend-influx adapter to send KrakenD metrics to an influxdb backend.
4. krakend-newrelic integrates the NewRelic agent at router, proxies and backend levels

Encoding

1. krakend-xml
2. krakend-rss

Service Discovery

1. krakend-etcd is an etcd client and subscriber for the KrakenD framework.
2. joaoqalves/krakend-eureka is an eureka client and subscriber for the KrakenD framework.
3. krakend-consul is a consul client for the KrakenD framework.
4. schibsted/krakend-eureka is an eureka client and subscriber for the KrakenD framework.

Circuit Breaker

1. gobreaker contains an adaptor over the github.com/sony/gobreaker lib
2. eapache is a simple proxy adaptor for the github.com/eapache/go-resiliency/breaker circuit breaker implementation
3. hystrix cirbuit breaker implementation based on github.com/afex/hystrix-go

Rate-limit

1. rate embeds the golang.org/x/time/rate token bucket implementation into the proxy and router layers
2. juju implements a rate limiter proxy and router using the github.com/juju/ratelimit lib
3. schibsted/krakend-ratelimit KrakenD rate limiter implementation based on GCRA algorithm using github.com/throttled/throttled implementation

Request and response verifiers and manipulators

1. krakend-martian injects martian modifiers into the KrakenD proxy pipe
2. krakend-jsonschema exposes a KrakenD middleware for input validation using JSON schema definitions.
3. krakend-cel exposes factories for injecting CEL evaluators into the three major pipe parts: endpoint rejected, proxy factory and backend factory.

Caching

1. krakend-httpcache embeds an in-memory caching system that keeps the responses using the time specified in the Cache HTTP headers.

Transports

1. krakend-grpc contains some experimental bindings for dealing with gRPC backends
2. krakend-amqp
3. krakend-pubsub

Security

JWT

1. krakend-jose offers two simple endpoint handlers for signing and verifing JWT
2. bloomfilter exposes a Rejecter for tokens and cookies using a rotable, distributed and eventualy consistent bloomfilter

OAuth2 client credentials

1. krakend-oauth2-clientcredentialst offers a proxy.HTTPClientFactory implementation wrapping the golang.org/x/oauth2/clientcredentials lib

HTTP

1. krakend-httpsecure wraps the github.com/unrolled/secure package

CORS

1. krakend-cors wraps the github.com/rs/cors package for mux and gopkg.in/gin-contrib/cors.v1 package for gin.

IP filtering

1. krakend-ipfilter IP and CIDR filter middleware to control accesses based on IP

Log

1. krakend-gologging offers an improved logger for the KrakenD framework by adapting the github.com/op/go-logging lib
2. krakend-logrus offers an improved logger for the KrakenD framework by adapting the github.com/sirupsen/logrus lib
3. krakend-logstash is a log formatter compatible with logstash (uses krakend-gologging
4. krakend-gelf is a gelf adapter for sending logs to GrayLog, Logstash, etc.

Config

Parser

1. krakend-viper parse config files from multiple formats
2. krakend-flexibleconfig extended features for KrakenD config parsers (variable substitutions, etc)

Extra

1. config2dot is a tool for translating config files into dot graphs

CLI

1. krakend-cobra integrates the cobra lib into the KrakenD framework
2. kraki is a linter and utility tool for KrakenD config files

Kubernetes

1. mikescandy/krakend-helm KrakenD Helm chart to install KrakenD on k8s.

Devel

1. krakend-memviz Adds a dotfile exporter of resquest/response snapshots to your proxy stack for debug and devel pourposes (it will kill your performance)
2. krakend-spew Dumps every resquest/response passing through your proxy stacks for debug and devel pourposes (it will kill your performance)
3. krakend-postman Create automatic POSTMAN collection descriptions from you KrakenD config file
4. hands on krakend Offers examples regarding working with KrakenD plugins

API Management

1. krakend-deprecator is a middleware to schedule and automate endpoint deprecation