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clean up redis env parsing, support REDISCLOUD_URL, REDIS_URL or fall back to default

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jomo
2015-01-09 19:52:51 +01:00
parent bc2bb0bec0
commit a05e82cb5e
2 changed files with 14 additions and 8 deletions
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20
modules/cache.js
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@@ -1,18 +1,24 @@
var logging = require("./logging");
var node_redis = require("redis");
var config = require("./config");
var redis = null;
var url = require("url");
var fs = require("fs");
var redis = null;
// sets up redis connection
// flushes redis when running on heroku (files aren't kept between pushes)
function connect_redis() {
logging.log("connecting to redis...");
if (process.env.REDISCLOUD_URL) {
var redisURL = require("url").parse(process.env.REDISCLOUD_URL);
redis = require("redis").createClient(redisURL.port, redisURL.hostname);
redis.auth(redisURL.auth.split(":")[1]);
} else {
redis = require("redis").createClient();
// parse redis env
var redis_env = (process.env.REDISCLOUD_URL || process.env.REDIS_URL);
var redis_url = redis_env ? url.parse(redis_env) : {};
redis_url.port = redis_url.port || 6379;
redis_url.hostname = redis_url.hostname || "localhost";
// connect to redis
redis = node_redis.createClient(redis_url.port, redis_url.hostname);
if (redis_url.auth) {
redis.auth(redis_url.auth.split(":")[1]);
}
redis.on("ready", function() {
logging.log("Redis connection established.");