papisz

r := chi.NewRouter()
r.Route("/pets", func(r chi.Router) {
  r.With(petMiddleware).Route("/{pet}", func(r chi.Router) {
    r.Get("/", getPetHandler)
    r.Put("/", putPetHandler)
  })
})

papisz

func petMiddleware(next http.Handler) http.Handler {
	allowedPets := map[string]struct{}{
		"cat": struct{}{},
		"dog": struct{}{},
	}
	return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
		pet := chi.URLParam(r, "pet")

		if _, ok := allowedPets[pet]; !ok {
			w.WriteHeader(http.StatusBadRequest)

papisz

// BAD EXAMPLE, doesn't work!
r := chi.NewRouter()
r.With(petMiddleware).Route("/pets", func(r chi.Router) {
	r.Route("/{pet}", func(r chi.Router) {
		r.Get("/", getPetHandler)
		r.Put("/", putPetHandler)
	})
})

http.ListenAndServe(":8000", r)

papisz

r.Put("/info", func(w http.ResponseWriter, r *http.Request) {
	pet := chi.URLParam(r, "pet")
	forbiddenPets := []string{"dragon"}
	for _, forbiddenPet := range forbiddenPets {
		if pet == forbiddenPet {
			w.WriteHeader(http.StatusBadRequest)
			w.Write([]byte(fmt.Sprintf("forbidden pet %s!\n", pet)))
			return
		}
	}

papisz

r.Get("/info", func(w http.ResponseWriter, r *http.Request) {
  pet := chi.URLParam(r, "pet")
  forbiddenPets := []string{"dragon"}
  for _, forbiddenPet := range forbiddenPets {
    if pet == forbiddenPet {
      w.WriteHeader(http.StatusBadRequest)
      w.Write([]byte(fmt.Sprintf("forbidden pet %s!\n", pet)))
      return
    }
  }

papisz

func serve() {
	r := chi.NewRouter()
	r.Route("/pets", func(r chi.Router) {
		r.Route("/{pet}", func(r chi.Router) {
			r.Get("/", getPetHandler)
			r.Put("/", putPetHandler)
		})
	})

	http.ListenAndServe(":8000", r)

papisz

#!/bin/bash
apt-get install -y curl unzip

mkdir -p /var/lib/consul
mkdir -p /usr/share/consul
mkdir -p /etc/consul/conf.d

curl -OL https://dl.bintray.com/mitchellh/consul/0.4.1_linux_amd64.zip
unzip 0.4.1_linux_amd64.zip
mv consul /usr/local/bin/consul

papisz

#!/usr/bin/env python

import gevent.monkey
gevent.monkey.patch_all()

import boto
import config
import gevent
import gevent.pool
import os

papisz

#!/usr/bin/python
# -*- coding: utf-8 -*-

"""Taken from:
http://stackoverflow.com/a/22348885
http://stackoverflow.com/a/2282656"""

import signal