I'm currently trying to connect my App Engine node.js service to a Google Cloud Memorystore. Following this guide, I need both to run in the same network and region (in my case Europe). This seems impossible since I can only create the Redis instance in europe-west-1 or europe-west-4, while App Engine offers me europe-west, europe-west-2 or europe-west-3.
I'm assuming 'same region' stands for europe-west-x ? If this is true, I'm still unable to connect, configuring the Node.js on the IP X.X.X.X:XXXX as described in the gcloud console (for my active Redis instance) the app throws connection failed, ETIMEDOUT.
Is the region the reason?
The instance has the authorized network set to default and the apps app.yaml has:
network: name: default
UPDATE:
Even when i have GAE in europe-west-1 and Memorystor in europe-west as suggested i get
Redis connection to X.X.X.X:XXXX failed - connect ETIMEDOUT X.X.X.X:XXXX
I'm using node_redis with the following code fragment to test the connection (REDIS_PORT and REDIS_IP are the values i see on the Memorystore instance page):
const redis = require('redis');
let redisClient = redis.createClient(REDIS_PORT, REDIS_IP);
redisClient.set("string key", "string val", redis.print);
redisClient.hset("hash key", "hashtest 1", "some value", redis.print);
redisClient.hset(["hash key", "hashtest 2", "some other value"], redis.print);
redisClient.hkeys("hash key", function (err, replies) {
console.log(replies.length + " replies:");
replies.forEach(function (reply, i) {
console.log(" " + i + ": " + reply);
});
redisClient.quit();
});
redisClient.on("error", function (err) {
console.log("Redis rror " + err);
});
I realized the GAE service has to run in the flex environment, so the application is based on Google Compute Engine aswell. The env: flex was missing in the app.yaml. The communication between GAE and Memorystore is working with this configuration.
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