When setting up the Google Cloud SQL, I have to set up the allowed network so that it can access to the cloud sql instance.
I want to make my application in cloud9 to connect to the cloud sql instance, is it possible to do that? How I can get the outgoing IP address to setup?
is cloud9 an appengine app?
if yes check this article:
Configuring Instance Access https://cloud.google.com/sql/docs/access-control#appengine
Basically you can grant individual Google App Engine applications access to a Google Cloud SQL instance.