Migrate tsuru containers to new structure

redis-mongo-container-migration.py

import os
import redis

from pymongo import MongoClient

mongo_host = os.getenv("MONGO_HOST", "localhost")
mongo_port = os.getenv("MONGO_PORT", "27017")
mongo_client = MongoClient(mongo_host, int(mongo_port))

redis_host = os.getenv("REDIS_HOST", "localhost")
redis_port = os.getenv("REDIS_PORT", "6379")
r = redis.StrictRedis(host=redis_host, port=int(redis_port))

redis_key = "docker-cluster:%s"  # tsuru.conf: scheduler-prefix
redis_value = "http://%s:4243"

containers = mongo_client.tsuru["docker-containers"].find()

for container in containers:
    r.set(redis_key % container["id"], redis_value % container["hostaddr"])